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CompletedNCT01340898Updated Aug 6, 2019Results posted

Immunogenicity and Safety Study of GSK Biologicals' Meningococcal Conjugate Vaccine When Co-administered With Routine Vaccines in Healthy Infants and Toddlers

A Phase 3 interventional study of Meningococcal vaccine GSK 134612 and SynflorixTM in Meningococcal Infection, sponsored by GlaxoSmithKline. Completed at 2 sites in 2 countries. Open to participants aged 6 Weeks to 12 Weeks, including healthy volunteers. Per ClinicalTrials.gov, last updated 2019-08-06.

Sponsored by GlaxoSmithKline · Phase 3, Interventional, and Prevention

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Phase
Phase 3
Study type
Interventional
Enrollment
753
Allocation
Randomized
Ages
6 Weeks to 12 Weeks
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-13

Among 71 studies in Meningococcal Infections by GlaxoSmithKline — none open to participants now, 1 under way, none of them phase 3. Meningococcal Infections · GlaxoSmithKline.

Enrollment
26th of 67
753 · median 613
Started
2012
with 2 others
Phase 3
34 of 71
none open now
Registered
41st of 71
by date

Among the 71 studies in Meningococcal Infections by GlaxoSmithKline, this one is the 26th largest by enrollment of the 67 interventional ones that give a count, is one of 3 that started in 2012, is one of 34 in phase 3, and was the 41st registered.

Meningococcal Infections

243 studies on the registry are indexed under Meningococcal Infections; 8 are open to participants now.

Browse Meningococcal Infections studies →

Open to participants now

None of the 71 studies in Meningococcal Infections by GlaxoSmithKline is open now. The open studies under Meningococcal Infections, anywhere →

Who these studies take

Of the 7 Meningococcal Infections studies recruiting now, 3 set no upper age limit and 4 stop at 75 or younger; 4 take children under 18; 6 take healthy volunteers.

This study: 6 Weeks to 12 Weeks · all sexes · healthy volunteers too.

The full table on the hub →

This tab as a report to print or save as PDF → With an account.

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Download CSVNarrow it in search →With an account: the 71 studies in Meningococcal Infections by GlaxoSmithKline as a file.
02

Study summary

This study evaluates the immunogenicity and safety of the meningococcal conjugate vaccine GSK 134612 in healthy infants, when co-administered with other infant vaccines, on three different dose schedules.

Read the detailed description

This protocol has been updated following Protocol Amendment 1 date 26 July 2011 leading to the update of enrollment, a secondary outcome measure, intervention and exclusion criteria sections.

03

Conditions studied

  • Meningococcal Infection

Keywords

  • meningococcal conjugate vaccine
  • serogroups A,C, W-135 or Y
  • meningococcal diseases
  • Immunogenicity
  • Neisseria meningitidis
  • co-administration
  • routine vaccines
04

Who can participate

Ages eligible
6 Weeks to 12 Weeks
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Subjects who the investigator believes that parent(s)/Legally Acceptable Representative(s) [LAR(s)] can and will comply with the requirements of the protocol.
  • A male or female, 6 to 12 weeks (42-90 days) of age at the time of the first vaccination.
  • Written obtained from the parent(s)/LAR(s) of the subject.
  • Healthy subjects as established by medical history and clinical examination before entering into the study.
  • Born after a gestation period of at least 36 weeks.

Exclusion criteria

Exclusion Criteria:

  • Child in care.
  • Use of any or non-registered product other than the study vaccine(s) within 30 days preceding the first dose of study vaccine, or planned use during the study period.
  • Extended administration of or other immune-modifying drugs since birth.
  • Planned administration/administration of a vaccine not foreseen by the study protocol during the period 30 days before and after each study vaccine administration, with the exception of rotavirus vaccine and seasonal or pandemic influenza vaccine.
  • Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational product.
  • Previous vaccination against diphtheria , tetanus, pertussis, polio (with the exception of a birth dose of OPV), Haemophilus influenzae type b, Streptococcus pneumonia.
  • History of receipt of meningococcal vaccine.
  • Subjects who received a birth dose vaccines within the 30 days before the administration of the first study vaccine.
  • History of or intercurrent diphtheria, tetanus, pertussis, polio, Haemophilus influenzae type b disease, pneumococcal and/or meningococcal disease.
  • Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination (no laboratory testing required).
  • Family history of congenital or hereditary immunodeficiency.
  • History of any reaction or likely to be exacerbated by any component of th
Terms in these criteria, in plain language(5)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

05

Study design

Phase
Phase 3
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
753 participants (actual)

Study arms

  • Experimental
    Nimenrix 3+1 Group

    Subjects, male and female, received 4 doses of Nimenrix™ vaccine (3 doses at 2, 4 and 6 months of age followed by a booster dose at 15-18 months of age) and 4 doses of Synflorix™ and Infanrix-IPV/Hiberix™ vaccines (at 2, 4, 6 and 15-18 months of age). All vaccines were administered intramuscularly (IM) in the anterolateral region of the thigh.

    Biological: Meningococcal vaccine GSK 134612 · Biological: SynflorixTM · Biological: Infanrix-IPV/HiberixTM

  • Experimental
    Nimenrix 1+1 Group

    Subjects, male and female, received 2 doses of Nimenrix™ vaccine (1 dose at 6 months of age followed by a booster dose at 15-18 months of age) and 4 doses of Synflorix™ and Infanrix-IPV/Hiberix™ vaccines (at 2, 4, 6 and 15-18 months of age). All vaccines were administered intramuscularly (IM) in the anterolateral region of the thigh.

    Biological: Meningococcal vaccine GSK 134612 · Biological: SynflorixTM · Biological: Infanrix-IPV/HiberixTM

  • Experimental
    Nimenrix Control Group

    Subjects, male and female, received 1 dose of Nimenrix™ at 15-18 months of age and 4 doses of Synflorix™ and Infanrix-IPV/Hiberix™ vaccines (at 2, 4, 6 and 15-18 months of age). All vaccines were administered intramuscularly (IM) in the anterolateral region of the thigh.

    Biological: Meningococcal vaccine GSK 134612 · Biological: SynflorixTM · Biological: Infanrix-IPV/HiberixTM

Interventions

  • BiologicalMeningococcal vaccine GSK 134612

    Intramuscular injection

  • BiologicalSynflorixTM

    Intramuscular injection

  • BiologicalInfanrix-IPV/HiberixTM

    Intramuscular injection

06

What researchers measure

Primary outcomes

  1. Number of Subjects With Serum Bactericidal Assay Using Rabbit Complement (rSBA) Against Neisseria Meningitidis Serogroups Antibody Titers Greater Than or Equal to (≥) 1:8, One Month Post Dose 3 for the Nimenrix 3+1 Group

    The cut-off value for the rSBA titers was ≥ 1:8. Neisseria meningitidis serogroups A, C, W-135, Y (rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY) antibodies were assessed.

    Time frame: At Month 5 (one month post-dose 3)

Secondary outcomes

  1. Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) 1:8 Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group

    The cut-off value for the rSBA titers was ≥ 1:8

    Time frame: At Month 13 (prior booster) and at Month 14 (one month after the booster dose)

  2. Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) 1:128, One Month Post-dose 3, Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group

    The cut-off value for the rSBA titers was ≥ 1:128

    Time frame: At Months 5 (one month post-dose 3), 13 (prior booster-dose) and 14 (one month after the booster dose)

  3. rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers One Month Post Dose 3, Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group

    Antibody titers are presented as geometric mean titers (GMTs).

    Time frame: At Months 5 (one month post-dose 3), 13 (prior booster-dose) and 14 (one month after the booster dose)

  4. Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) the Cut-off Values for the Nimenrix 1+1 and Nimenrix Control Groups

    The cut-off values for the rSBA antibody titers were ≥ 1:8 and ≥ 1:128

    Time frame: At Months 5 (one month post-primary dose for Nimenrix 1+1 Group), 13 (prior booster dose for Nimenrix 1+1 and prior primary dose for Nimenrix Control Group) and 14 (post booster dose for Nimenrix 1+1 and post-primary dose for Nimenrix Control Group)

  5. rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers for Nimenrix 1+1 and Nimenrix Control Groups

    Antibody titers are presented as geometric mean titers (GMTs).

    Time frame: At Months 5 (one month post-primary dose for Nimenrix 1+1 Group), 13 (prior booster dose for Nimenrix 1+1 and prior primary dose for Nimenrix Control Group) and 14 (post booster dose Nimenrix 1+1 and post-primary dose for Nimenrix Control Group)

  6. Number of Subjects With Booster Responses for rSBA-MenA, C rSBA-MenC, Y rSBA-MenY and W-135 rSBA-MenW-135 in Nimenrix 3+1 and Nimenrix 1+1 Groups and With Vaccine Response in Nimenrix Control Group

    Vaccine/Booster response was defined as: for seronegative subjects (rSBA titers \< 1:8 pre-vaccination at Month 13), antibody titer ≥ 1:32 at post vaccination; for seropositive subjects (rSBA titers \>= 1:8 pre-vaccination at Month 13), antibody titer at post vaccination ≥ 4-fold the pre vaccination antibody titer.

    Time frame: At Month 14 (one month post-booster dose for Nimenrix 3+1 and Nimenrix 1+1 and post-primary dose for Nimenrix Control Group)

  7. Number of Subjects With Serum Bactericidal Assay Using Human Complement Against Neisseria Meningitidis Serogroups A, C, W-135, Y Antibody Titers Greater Than or Equal to (≥) the Cut-off Values (One Month Post-primary for Nimenrix 3+1 and 1+1 Groups)

    The cut-off value for the hSBA titers was ≥ 1:4 and ≥ 1:8.

    Time frame: At Month 5 (one month post-primary for Nimenrix 3+1 and Nimenrix 1+1 Groups)

  8. hSBA-MenA, hSBA-MenC, hSBA-MenW-135, and hSBA-Men-Y Antibody Titers (One Month Post-primary for Nimenrix 3+1 and Nimenrix 1+1 Groups)) -Randomized Subset of 50% of Subjects of All Three Groups

    Antibody titers are presented as geometric mean titers (GMTs).

    Time frame: At Month 5 (one month post-primary for Nimenrix 3+1 and Nimenrix 1+1 Groups)

  9. Number of Participants With hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-Men-Y Titers (≥) the Cut-off Value (Pre- and Post-booster for Nimenrix 3+1 and 1+1 Groups and Pre- and Post-vaccination for Nimenrix Control)

    The cut-off value for the hSBA titers was ≥ 1:4 and ≥ 1:8.

    Time frame: At Month 13 (pre-booster for Nimenrix 3+1 and Nimenrix 1+1 Groups and pre-vaccination for Nimenrix Control), and at Month 14 (post-booster for Nimenrix 3+1 and Nimenrix 1+1 Groups and post-vaccination for Nimenrix Control)

  10. hSBA-MenA, hSBA-MenC, hSBA-MenW-135, and hSBA-Men-Y Antibody Titers (Pre-booster for Nimenrix 3+1 and 1+1 Groups and Pre-vaccination for Nimenrix Control, and Post-booster for Nimenrix 3+1 and 1+1 Groups and Post-vaccination for Nimenrix Control)

    Antibody titers are presented as geometric mean titers (GMTs).

    Time frame: At Month 13 (pre-booster for Nimenrix 3+1 and Nimenrix 1+1 Groups and pre-vaccination for Nimenrix Control), and at Month 14 (post-booster for Nimenrix 3+1 and Nimenrix 1+1 Groups and post-vaccination for Nimenrix Control)

  11. Number of Subjects With Booster Responses for hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-MenY in Nimenrix 3+1 and Nimenrix 1+1 Groups and With Vaccine Response in Nimenrix Control Group

    Vaccine/Booster response was defined as: for seronegative subjects (rSBA titers \< 1:4 pre-vaccination at Month 13), antibody titer ≥ 1:32 at post vaccination; for seropositive subjects (rSBA titers \>= 1:4 pre-vaccination at Month 13), antibody titer at post vaccination ≥ 4-fold the pre vaccination.

    Time frame: At Month 14 (one month after the booster dose in Nimenrix 3+1 and Nimenrix 1+1 and post-vaccination in Nimenrix Control Group)

  12. Number of Subjects With Anti-pneumococcal Antibody Concentrations Greater Than or Equal to (≥) 0.15 Micrograms Per Milliliter (µg/mL).

    The anti-pneumococcal serotypes assessed were 1, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F and 23F.

    Time frame: At Months 5 (one month post-dose 3), Month 13 (prior booster dose) and Month 14 (one month after the booster dose)

  13. Number of Subjects With Anti-pneumococcal Antibody Concentrations Greater Than or Equal to (≥) 0.35 Micrograms Per Milliliter (µg/mL)

    The anti-pneumococcal serotypes assessed were 1, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F and 23F.

    Time frame: At Months 5 (one month post-dose 3), Month 13 (prior booster dose) and Month 14 (one month after the booster dose)

  14. Anti-pneumococcal Antibody Concentrations

    Antibody concentrations were expressed as Geometric Mean Concentrations (GMCs) and measured in micrograms/milliliter (µg/mL)

    Time frame: At Months 5 (one month post-dose 3), Month 13 (prior booster-dose) and Month 14 (one month after the booster dose)

  15. Number of Subjects With Anti-diphtheria (Anti-D) Antibodies

    Cut-off values assessed were greater than or equal to (≥) 0.1 international units per milliliter (IU/mL).

    Time frame: At Month 5 (one month post-dose 3)

  16. Concentration of Antibodies Against Diphtheria Antigens (Anti-D)

    Concentrations are presented as geometric mean concentrations (GMCs) expressed in international units per milliliter (IU/mL).

    Time frame: At Month 5 (one month post-dose 3)

  17. Concentration of Antibodies Against Diphtheria Antigens (Anti-D)

    Concentrations are presented as geometric mean concentrations (GMCs) expressed in international units per milliliter (IU/mL). The analysis was performed in a randomized subset of 25% of subjects of all three groups. Note: As the percentage of subjects with serological results excluded from the ATP cohorts was higher than 5%, a second analysis based on the total vaccinated cohorts (TVCs) (Primary and Booster) was performed to complement the ATP analysis.

    Time frame: At Month 5 (one month post-dose 3)

  18. Concentration of Antibodies Against Pertussis Toxoid (Anti-PT), Filamentous Haemagglutinin (Anti-FHA), Pertactin (Anti-PRN) Antigens

    Concentrations are presented as geometric mean concentrations (GMCs) expressed in enzyme-linked immunosorbent assay (ELISA) units per milliliter (EL.U/ml).

    Time frame: At Month 5 (one month post-dose 3)

  19. Number of Subjects With Anti-pertussis Toxoid (Anti-PT), Anti-filamentous Haemagglutinin (Anti-FHA), Anti-pertactin (Anti-PRN) Immunoglobulin G (IgG) Antibodies

    Cut-off values assessed were greater than or equal to ≥ 5 enzyme-linked immunosorbent assay (ELISA) units per milliliter (EL.U/ml).

    Time frame: At Month 5 (one month post-dose 3)

  20. Antibody Titers for Anti-polio Type 1, 2 and 3 Antibodies

    Antibody titers are presented as geometric mean titers (GMTs).

    Time frame: At Month 5 (one month post-dose 3)

  21. Antibody Titers for Anti-polio Type 1, 2 and 3 Antibodies

    Antibody titers are presented as geometric mean titers (GMTs). The analysis was performed in a randomized subset of 25% of subjects of all three groups. Note: As the percentage of subjects with serological results excluded from the ATP cohorts was higher than 5%, a second analysis based on the total vaccinated cohorts (TVCs) (Primary and Booster) was performed to complement the ATP analysis.

    Time frame: At Month 5 (one month post-dose 3)

  22. Number of Subjects With Anti-tetanus (Anti-T) Antibodies

    Cut-off values assessed were greater than or equal to (≥) 0.1 international units per milliliter (IU/mL).

    Time frame: At Months 5 (one month post-dose 3), Month 13 (prior booster-dose) and Month 14 (one month after the booster dose)

  23. Concentration of Antibodies Against Tetanus Antigens (Anti-T)

    Concentrations are presented as geometric mean concentrations (GMCs) expressed in international units per milliliter (IU/mL).

    Time frame: At Months 5 (one month post-dose 3), Month 13 (prior booster-dose) and Month 14 (one month after the booster dose)

  24. Number of Subjects With Anti-tetanus (Anti-T) Antibodies

    Cut-off values assessed were greater than or equal to (≥) 0.1 international units per milliliter (IU/mL). The analysis was performed in a randomized subset of 25% of subjects of all three groups. Note: As the percentage of subjects with serological results excluded from the ATP cohorts was higher than 5%, a second analysis based on the total vaccinated cohorts (TVCs) (Primary and Booster) was performed to complement the ATP analysis.

    Time frame: At Months 5 (one month post-dose 3), 13 (prior booster-dose) and 14 (one month after the booster dose)

  25. Anti-PRP Antibody Concentrations (Geometric Mean Concentrations) in a Randomized Subset of 25% of the Subjects

    The endpoints evaluating immunogenicity of the Hib component (anti-polyribosyl ribitol phosphate \[anti-PRP\] antibody concentrations) has been cancelled owing to the extended delay in the re-development and re-validation of the PRP assay.

    Time frame: At Month 5 (one month post-dose 3)

  26. Number of Subjects With Solicited Local Symptoms (Primary Phase)

    Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = pain that prevented normal activity. Grade 3 redness/swelling = redness/swelling spreading beyond 30 millimeters (mm) of injection site.

    Time frame: Within 8 days (Day 0-7) post primary vaccination

  27. Number of Subjects With Solicited Local Symptoms (Booster Phase)

    Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = pain that prevented normal activity. Grade 3 redness/swelling = redness/swelling spreading beyond 30 millimeters (mm) of injection site.

    Time frame: Within 8 days (Day 0-7) post booster vaccination

  28. Number of Subjects With Solicited General Symptoms (Primary Phase)

    Assessed solicited general symptoms were temperature \[defined as rectally temperature equal to or above 38 degrees Celsius (°C)\], drowsiness, irritability and loss of appetite. Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptom = symptom that prevented normal activity. Grade 3 temperature = temperature \> 40.0 °C. Related = symptom assessed by the investigator as related to the vaccination.

    Time frame: Within 8 days (Day 0-7) post primary vaccination

  29. Number of Subjects With Solicited General Symptoms (Booster Phase)

    Assessed solicited general symptoms were temperature \[defined as rectally temperature equal to or above 38 degrees Celsius (°C)\], drowsiness, irritability and loss of appetite. Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptom = symptom that prevented normal activity. Grade 3 temperature = temperature \> 40.0 °C. Related = symptom assessed by the investigator as related to the vaccination.

    Time frame: Within 8 days (Day 0-7) post booster vaccination

  30. Number of Subjects With Unsolicited Adverse Events (AEs) (Primary Phase)

    An unsolicited AE covers any untoward medical occurrence in a clinical investigation subject temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product and reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Any was defined as the occurrence of any unsolicited AE regardless of intensity grade or relation to vaccination.

    Time frame: Within 31 days (Day 0-30) post each primary vaccine dose

  31. Number of Subjects With Unsolicited Adverse Events (AEs) (Booster Phase)

    An unsolicited AE covers any untoward medical occurrence in a clinical investigation subject temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product and reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Any was defined as the occurrence of any unsolicited AE regardless of intensity grade or relation to vaccination.

    Time frame: Within 31 days (Day 0-30) post booster vaccination

  32. Number of Subjects With New Onset of Chronic Illnesses (NOCIs)

    NOCIs include autoimmune disorders, asthma, type I diabetes, allergies.

    Time frame: From Day 0 to Month 19

  33. Number of Subjects With Serious Adverse Events (SAEs)

    Serious adverse events (SAEs) assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/incapacity.

    Time frame: From Day 0 to Month 19

07

Results

Posted Aug 6, 2019

Participant flow

Primary Phase
Participant flow — Primary Phase
MilestoneNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Started376187187
Completed360178181
Not completed1696
Withdrew: Serious adverse events001
Withdrew: Withdrawal by subject875
Withdrew: Migrated/moved from study area410
Withdrew: Lost to follow-up410
Booster Phase
Participant flow — Booster Phase
MilestoneNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Started342166170
Completed332164163
Not completed1027
Withdrew: Withdrawal by subject304
Withdrew: Migrated/moved from study area300
Withdrew: Lost to follow-up423

Outcome measures

PrimaryNumber of Subjects With Serum Bactericidal Assay Using Rabbit Complement (rSBA) Against Neisseria Meningitidis Serogroups Antibody Titers Greater Than or Equal to (≥) 1:8, One Month Post Dose 3 for the Nimenrix 3+1 Group

The cut-off value for the rSBA titers was ≥ 1:8. Neisseria meningitidis serogroups A, C, W-135, Y (rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY) antibodies were assessed.

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Count of participants · Participants
Number of Subjects With Serum Bactericidal Assay Using Rabbit Complement (rSBA) Against Neisseria Meningitidis Serogroups Antibody Titers Greater Than or Equal to (≥) 1:8, One Month Post Dose 3 for the Nimenrix 3+1 Group
ParticipantsNimenrix 3+1 Group
rSBA-MenA328
rSBA-MenC327
rSBA-MenW-135325
rSBA-MenY327
Statistical analysis
  • Nimenrix 3+1 Group · Percentage of subjects: 100 · 95% CI 98.9 to 100Immunogenicity was considered demonstrated if the lower limit of the two-sided exact 95% confidence interval (CI) for the percentage of subjects with rSBA titre ≥ 1:8 was greater than or equal to the pre-defined clinical limit of 80%.
  • Nimenrix 3+1 Group · Percentage of subjects: 99.7 · 95% CI 98.3 to 100Immunogenicity was considered demonstrated if the lower limit of the two-sided exact 95% confidence interval (CI) for the percentage of subjects with rSBA titre ≥ 1:8 was greater than or equal to the pre-defined clinical limit of 80%.
  • Nimenrix 3+1 Group · Percentage of subjects: 99.4 · 95% CI 97.8 to 99.9Immunogenicity was considered demonstrated if the lower limit of the two-sided exact 95% confidence interval (CI) for the percentage of subjects with rSBA titre ≥ 1:8 was greater than or equal to the pre-defined clinical limit of 80%.
  • Nimenrix 3+1 Group · Percentage of subjects: 99.7 · 95% CI 98.3 to 100Immunogenicity was considered demonstrated if the lower limit of the two-sided exact 95% confidence interval (CI) for the percentage of subjects with rSBA titre ≥ 1:8 was greater than or equal to the pre-defined clinical limit of 80%.
SecondaryNumber of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) 1:8 Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group

The cut-off value for the rSBA titers was ≥ 1:8

Time frame:
At Month 13 (prior booster) and at Month 14 (one month after the booster dose)
Reported as:
Count of participants · Participants
Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) 1:8 Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group
ParticipantsNimenrix 3+1 Group
rSBA-MenA, M13225
rSBA-MenA, M14283
rSBA-MenC, M13190
rSBA-MenC, M14282
rSBA-MenW-135, M13225
rSBA-MenW-135, M14284
rSBA-MenY, M13240
rSBA-MenY, M14284
SecondaryNumber of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) 1:128, One Month Post-dose 3, Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group

The cut-off value for the rSBA titers was ≥ 1:128

Time frame:
At Months 5 (one month post-dose 3), 13 (prior booster-dose) and 14 (one month after the booster dose)
Reported as:
Count of participants · Participants
Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) 1:128, One Month Post-dose 3, Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group
ParticipantsNimenrix 3+1 Group
rSBA-MenA, M5321
rSBA-MenA, M13146
rSBA-MenA, M14282
rSBA-MenC, M5318
rSBA-MenC, M1393
rSBA-MenC, M14282
rSBA-MenW-135, M5313
rSBA-MenW-135, M13122
rSBA-MenW-135, M14284
rSBA-MenY, M5312
rSBA-MenY, M13121
rSBA-MenY, M14283
SecondaryrSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers One Month Post Dose 3, Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group

Antibody titers are presented as geometric mean titers (GMTs).

Time frame:
At Months 5 (one month post-dose 3), 13 (prior booster-dose) and 14 (one month after the booster dose)
Reported as:
Geometric mean · Titers
rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers One Month Post Dose 3, Prior to and One Month After the Booster Dose for the Nimenrix 3+1 Group
TitersNimenrix 3+1 Group
rSBA-MenA, M5577.5 (520.7 to 640.6)
rSBA-MenA, M1371.1 (56.6 to 89.3)
rSBA-MenA, M142366.4 (2134.8 to 2623.1)
rSBA-MenC, M5803.1 (710.4 to 907.8)
rSBA-MenC, M1333.9 (27.4 to 41.9)
rSBA-MenC, M142761.2 (2461.2 to 3097.9)
rSBA-MenW-135, M51190.3 (1019.3 to 1390.1)
rSBA-MenW-135, M1352.0 (42.2 to 64.2)
rSBA-MenW-135, M143696.9 (3242.8 to 4214.7)
rSBA-MenY, M5647.4 (566.6 to 739.6)
rSBA-MenY, M1366.3 (54.3 to 81.0)
rSBA-MenY, M142778.6 (2472.5 to 3122.5)
SecondaryNumber of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) the Cut-off Values for the Nimenrix 1+1 and Nimenrix Control Groups

The cut-off values for the rSBA antibody titers were ≥ 1:8 and ≥ 1:128

Time frame:
At Months 5 (one month post-primary dose for Nimenrix 1+1 Group), 13 (prior booster dose for Nimenrix 1+1 and prior primary dose for Nimenrix Control Group) and 14 (post booster dose for Nimenrix 1+1 and post-primary dose for Nimenrix Control Group)
Reported as:
Count of participants · Participants
Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers Greater Than or Equal to (≥) the Cut-off Values for the Nimenrix 1+1 and Nimenrix Control Groups
ParticipantsNimenrix 1+1 GroupNimenrix Control Group
rSBA-MenA, M5, ≥ 1:81616
rSBA-MenA, M13, ≥ 1:810719
rSBA-MenA, M14, ≥ 1:8138133
rSBA-MenC, M5, ≥ 1:81626
rSBA-MenC, M13, ≥ 1:8863
rSBA-MenC, M14, ≥ 1:8138130
rSBA-MenW-135, M5, ≥ 1:81534
rSBA-MenW-135, M13, ≥ 1:81027
rSBA-MenW-135, M14, ≥ 1:8139131
rSBA-MenY, M5, ≥ 1:816116
rSBA-MenY, M13, ≥ 1:811624
rSBA-MenY, M14, ≥ 1:8139131
rSBA-MenA, M5, ≥ 1:1281556
rSBA-MenA, M13, ≥ 1:1288816
rSBA-MenA, M14, ≥ 1:128138132
rSBA-MenC, M5, ≥ 1:1281515
rSBA-MenC, M13, ≥ 1:128391
rSBA-MenC, M14, ≥ 1:128137128
rSBA-MenW-135, M5, ≥ 1:1281514
rSBA-MenW-135, M13, ≥ 1:128657
rSBA-MenW-135, M14, ≥ 1:128138131
rSBA-MenY, M5, ≥ 1:12815916
rSBA-MenY, M13, ≥ 1:1287023
rSBA-MenY, M14, ≥ 1:128137131
SecondaryrSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers for Nimenrix 1+1 and Nimenrix Control Groups

Antibody titers are presented as geometric mean titers (GMTs).

Time frame:
At Months 5 (one month post-primary dose for Nimenrix 1+1 Group), 13 (prior booster dose for Nimenrix 1+1 and prior primary dose for Nimenrix Control Group) and 14 (post booster dose Nimenrix 1+1 and post-primary dose for Nimenrix Control Group)
Reported as:
Geometric mean · Titers
rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers for Nimenrix 1+1 and Nimenrix Control Groups
TitersNimenrix 1+1 GroupNimenrix Control Group
rSBA-MenA, M5, ≥ 1:81332.9 (1035.2 to 1716.2)4.8 (4.1 to 5.5)
rSBA-MenA, M13, ≥ 1:8125.3 (84.4 to 186.1)7.2 (5.5 to 9.3)
rSBA-MenA, M14, ≥ 1:82762.3 (2310.3 to 3302.8)2918.7 (2264.6 to 3761.7)
rSBA-MenC, M5, ≥ 1:8591.6 (482.3 to 725.8)4.7 (4.1 to 5.4)
rSBA-MenC, M13, ≥ 1:827.4 (20.6 to 36.6)4.2 (3.9 to 4.4)
rSBA-MenC, M14, ≥ 1:82525.2 (2102.1 to 3033.3)768.1 (593.0 to 995.0)
rSBA-MenW-135, M5, ≥ 1:81255.9 (917.0 to 1720.0)4.6 (4.0 to 5.2)
rSBA-MenW-135, M13, ≥ 1:863.3 (45.6 to 87.9)5.0 (4.2 to 5.8)
rSBA-MenW-135, M14, ≥ 1:83144.7 (2636.9 to 3750.4)5240.7 (3855.5 to 7123.7)
rSBA-MenY, M5, ≥ 1:81469.9 (1186.5 to 1821.0)6.3 (5.0 to 7.8)
rSBA-MenY, M13, ≥ 1:8106.4 (76.4 to 148.1)9.4 (6.8 to 12.9)
rSBA-MenY, M14, ≥ 1:82748.6 (2301.4 to 3282.6)4202.5 (3219.9 to 5485.1)
SecondaryNumber of Subjects With Booster Responses for rSBA-MenA, C rSBA-MenC, Y rSBA-MenY and W-135 rSBA-MenW-135 in Nimenrix 3+1 and Nimenrix 1+1 Groups and With Vaccine Response in Nimenrix Control Group

Vaccine/Booster response was defined as: for seronegative subjects (rSBA titers \< 1:8 pre-vaccination at Month 13), antibody titer ≥ 1:32 at post vaccination; for seropositive subjects (rSBA titers \>= 1:8 pre-vaccination at Month 13), antibody titer at post vaccination ≥ 4-fold the pre vaccination antibody titer.

Time frame:
At Month 14 (one month post-booster dose for Nimenrix 3+1 and Nimenrix 1+1 and post-primary dose for Nimenrix Control Group)
Reported as:
Count of participants · Participants
Number of Subjects With Booster Responses for rSBA-MenA, C rSBA-MenC, Y rSBA-MenY and W-135 rSBA-MenW-135 in Nimenrix 3+1 and Nimenrix 1+1 Groups and With Vaccine Response in Nimenrix Control Group
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
rSBA-MenA248108125
rSBA-MenC270129126
rSBA-MenW-135272122128
rSBA-MenY267121125
SecondaryNumber of Subjects With Serum Bactericidal Assay Using Human Complement Against Neisseria Meningitidis Serogroups A, C, W-135, Y Antibody Titers Greater Than or Equal to (≥) the Cut-off Values (One Month Post-primary for Nimenrix 3+1 and 1+1 Groups)

The cut-off value for the hSBA titers was ≥ 1:4 and ≥ 1:8.

Time frame:
At Month 5 (one month post-primary for Nimenrix 3+1 and Nimenrix 1+1 Groups)
Reported as:
Count of participants · Participants
Number of Subjects With Serum Bactericidal Assay Using Human Complement Against Neisseria Meningitidis Serogroups A, C, W-135, Y Antibody Titers Greater Than or Equal to (≥) the Cut-off Values (One Month Post-primary for Nimenrix 3+1 and 1+1 Groups)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
hSBA-MenA, ≥ 1:4136589
hSBA-MenC, ≥ 1:4147663
hSBA-MenW-135, ≥ 1:4107410
hSBA-MenY, ≥ 1:4127481
hSBA-MenA, ≥ 1:8136588
hSBA-MenC, ≥ 1:8147663
hSBA-MenW-135, ≥ 1:8107410
hSBA-MenY, ≥ 1:8127481
SecondaryhSBA-MenA, hSBA-MenC, hSBA-MenW-135, and hSBA-Men-Y Antibody Titers (One Month Post-primary for Nimenrix 3+1 and Nimenrix 1+1 Groups)) -Randomized Subset of 50% of Subjects of All Three Groups

Antibody titers are presented as geometric mean titers (GMTs).

Time frame:
At Month 5 (one month post-primary for Nimenrix 3+1 and Nimenrix 1+1 Groups)
Reported as:
Geometric mean · Titers
hSBA-MenA, hSBA-MenC, hSBA-MenW-135, and hSBA-Men-Y Antibody Titers (One Month Post-primary for Nimenrix 3+1 and Nimenrix 1+1 Groups)) -Randomized Subset of 50% of Subjects of All Three Groups
TitersNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
hSBA-MenA808.0 (683.8 to 954.6)270.5 (205.9 to 355.4)2.6 (2.2 to 3.1)
hSBA-MenC3970.8 (3144.0 to 5015.1)523.1 (381.5 to 717.3)2.3 (1.9 to 2.9)
hSBA-MenW-1351514.5 (1277.2 to 1795.8)136.5 (78.4 to 237.6)2.0 (2.0 to 2.0)
hSBA-MenY1276.2 (1077.3 to 1511.8)194.8 (117.6 to 322.9)2.1 (1.9 to 2.4)
SecondaryNumber of Participants With hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-Men-Y Titers (≥) the Cut-off Value (Pre- and Post-booster for Nimenrix 3+1 and 1+1 Groups and Pre- and Post-vaccination for Nimenrix Control)

The cut-off value for the hSBA titers was ≥ 1:4 and ≥ 1:8.

Time frame:
At Month 13 (pre-booster for Nimenrix 3+1 and Nimenrix 1+1 Groups and pre-vaccination for Nimenrix Control), and at Month 14 (post-booster for Nimenrix 3+1 and Nimenrix 1+1 Groups and post-vaccination for Nimenrix Control)
Reported as:
Count of participants · Participants
Number of Participants With hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-Men-Y Titers (≥) the Cut-off Value (Pre- and Post-booster for Nimenrix 3+1 and 1+1 Groups and Pre- and Post-vaccination for Nimenrix Control)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
hSBA-MenA, ≥ 1:4, M131314818
hSBA-MenA, ≥ 1:4, M141738370
hSBA-MenC, ≥ 1:4, M13168764
hSBA-MenC, ≥ 1:4, M141989284
hSBA-MenW-135, ≥ 1:4, M13123531
hSBA-MenW-135, ≥ 1:4, M141295949
hSBA-MenY, ≥ 1:4, M13137604
hSBA-MenY, ≥ 1:4, M141496952
hSBA-MenA, ≥ 1:8, M131304715
hSBA-MenA, ≥ 1:8, M141738369
hSBA-MenC, ≥ 1:8, M13168754
hSBA-MenC, ≥ 1:8, M141989284
hSBA-MenW-135, ≥ 1:8, M13123531
hSBA-MenW-135, ≥ 1:8, M141295949
hSBA-MenY, ≥ 1:8, M13137604
hSBA-MenY, ≥ 1:8, M141496952
SecondaryhSBA-MenA, hSBA-MenC, hSBA-MenW-135, and hSBA-Men-Y Antibody Titers (Pre-booster for Nimenrix 3+1 and 1+1 Groups and Pre-vaccination for Nimenrix Control, and Post-booster for Nimenrix 3+1 and 1+1 Groups and Post-vaccination for Nimenrix Control)

Antibody titers are presented as geometric mean titers (GMTs).

Time frame:
At Month 13 (pre-booster for Nimenrix 3+1 and Nimenrix 1+1 Groups and pre-vaccination for Nimenrix Control), and at Month 14 (post-booster for Nimenrix 3+1 and Nimenrix 1+1 Groups and post-vaccination for Nimenrix Control)
Reported as:
Geometric mean · Titers
hSBA-MenA, hSBA-MenC, hSBA-MenW-135, and hSBA-Men-Y Antibody Titers (Pre-booster for Nimenrix 3+1 and 1+1 Groups and Pre-vaccination for Nimenrix Control, and Post-booster for Nimenrix 3+1 and 1+1 Groups and Post-vaccination for Nimenrix Control)
TitersNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
hSBA-MenA, M1364.6 (48.8 to 85.5)20.8 (13.5 to 32.2)3.2 (2.6 to 3.8)
hSBA-MenA, M142318.6 (1991.7 to 2699.1)1415.6 (1140.2 to 1757.5)196.3 (140.5 to 274.2)
hSBA-MenC, M13209.0 (165.7 to 263.7)150.8 (108.5 to 209.5)2.3 (2.0 to 2.7)
hSBA-MenC, M1415919.1 (13965.3 to 18146.2)13360.1 (10952.9 to 16296.4)363.3 (269.4 to 490.1)
hSBA-MenW-135, M13307.9 (262.9 to 360.6)428.6 (328.4 to 559.2)2.1 (1.9 to 2.3)
hSBA-MenW-135, M148761.8 (7431.3 to 10330.5)9015.6 (7045.2 to 11537.1)221.7 (140.6 to 349.5)
hSBA-MenY, M13363.2 (309.9 to 425.7)389.2 (292.3 to 518.1)2.6 (2.0 to 3.5)
hSBA-MenY, M145989.3 (5281.0 to 6792.6)5977.6 (4746.8 to 7527.6)281.5 (171.9 to 460.9)
SecondaryNumber of Subjects With Booster Responses for hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-MenY in Nimenrix 3+1 and Nimenrix 1+1 Groups and With Vaccine Response in Nimenrix Control Group

Vaccine/Booster response was defined as: for seronegative subjects (rSBA titers \< 1:4 pre-vaccination at Month 13), antibody titer ≥ 1:32 at post vaccination; for seropositive subjects (rSBA titers \>= 1:4 pre-vaccination at Month 13), antibody titer at post vaccination ≥ 4-fold the pre vaccination.

Time frame:
At Month 14 (one month after the booster dose in Nimenrix 3+1 and Nimenrix 1+1 and post-vaccination in Nimenrix Control Group)
Reported as:
Count of participants · Participants
Number of Subjects With Booster Responses for hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-MenY in Nimenrix 3+1 and Nimenrix 1+1 Groups and With Vaccine Response in Nimenrix Control Group
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
hSBA-MenA, Total1306151
hSBA-MenC, Total1637365
hSBA-MenW-135, Total1064037
hSBA-MenY, Total1154530
SecondaryNumber of Subjects With Anti-pneumococcal Antibody Concentrations Greater Than or Equal to (≥) 0.15 Micrograms Per Milliliter (µg/mL).

The anti-pneumococcal serotypes assessed were 1, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F and 23F.

Time frame:
At Months 5 (one month post-dose 3), Month 13 (prior booster dose) and Month 14 (one month after the booster dose)
Reported as:
Count of participants · Participants
Number of Subjects With Anti-pneumococcal Antibody Concentrations Greater Than or Equal to (≥) 0.15 Micrograms Per Milliliter (µg/mL).
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-1, M5824237
anti-1, M13361919
anti-1, M14612929
anti-4, M5824237
anti-4, M13382220
anti-4, M14613029
anti-5, M5814237
anti-5, M13321817
anti-5, M14602927
anti-6A, M5513122
anti-6A, M13442616
anti-6A, M14512524
anti-6B, M5814137
anti-6B, M13553122
anti-6B, M14613028
anti-7F, M5824237
anti-7F, M13553223
anti-7F, M14612929
anti-9V, M5824237
anti-9V, M13472417
anti-9V, M14612929
anti-14, M5824236
anti-14, M13563325
anti-14, M14613029
anti-18C, M5814237
anti-18C, M13432019
anti-18C, M14612929
anti-19A, M5492627
anti-19A, M13412320
anti-19A, M14572727
anti-19F, M5814236
anti-19F, M13573325
anti-19F, M14613029
anti-23F, M5664235
anti-23F, M13422518
anti-23F, M14452321
SecondaryNumber of Subjects With Anti-pneumococcal Antibody Concentrations Greater Than or Equal to (≥) 0.35 Micrograms Per Milliliter (µg/mL)

The anti-pneumococcal serotypes assessed were 1, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F and 23F.

Time frame:
At Months 5 (one month post-dose 3), Month 13 (prior booster dose) and Month 14 (one month after the booster dose)
Reported as:
Count of participants · Participants
Number of Subjects With Anti-pneumococcal Antibody Concentrations Greater Than or Equal to (≥) 0.35 Micrograms Per Milliliter (µg/mL)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-1, M5764134
anti-1, M131258
anti-1, M14612928
anti-4, M5814137
anti-4, M1317510
anti-4, M14582929
anti-5, M5723228
anti-5, M131055
anti-5, M14492326
anti-6A, M5362013
anti-6A, M13261011
anti-6A, M14472223
anti-6B, M5734035
anti-6B, M13372315
anti-6B, M14612828
anti-7F, M5814237
anti-7F, M13381714
anti-7F, M14612928
anti-9V, M5794036
anti-9V, M1319109
anti-9V, M14592828
anti-14, M5804136
anti-14, M13442821
anti-14, M14612928
anti-18C, M5794136
anti-18C, M1318911
anti-18C, M14612729
anti-19A, M5281413
anti-19A, M1325155
anti-19A, M14522122
anti-19F, M5804236
anti-19F, M13523020
anti-19F, M14613029
anti-23F, M5624232
anti-23F, M13281412
anti-23F, M14452320
SecondaryAnti-pneumococcal Antibody Concentrations

Antibody concentrations were expressed as Geometric Mean Concentrations (GMCs) and measured in micrograms/milliliter (µg/mL)

Time frame:
At Months 5 (one month post-dose 3), Month 13 (prior booster-dose) and Month 14 (one month after the booster dose)
Reported as:
Geometric mean · μg/mL
Anti-pneumococcal Antibody Concentrations
μg/mLNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-1, M51.3 (1.1 to 1.6)1.4 (1.1 to 1.8)1.5 (1.1 to 2.1)
anti-1, M130.2 (0.1 to 0.2)0.2 (0.1 to 0.2)0.2 (0.2 to 0.3)
anti-1, M142.1 (1.6 to 2.6)1.7 (1.2 to 2.5)2.2 (1.5 to 3.2)
anti-4, M51.7 (1.5 to 2.0)1.8 (1.4 to 2.2)1.8 (1.3 to 2.5)
anti-4, M130.2 (0.2 to 0.3)0.2 (0.2 to 0.3)0.3 (0.2 to 0.4)
anti-4, M142.4 (1.8 to 3.1)2.4 (1.8 to 3.1)3.1 (2.3 to 4.2)
anti-5, M50.6 (0.6 to 0.7)0.6 (0.5 to 0.7)0.7 (0.5 to 0.9)
anti-5, M130.2 (0.1 to 0.2)0.2 (0.1 to 0.2)0.2 (0.1 to 0.2)
anti-5, M140.7 (0.6 to 0.9)0.5 (0.4 to 0.7)0.7 (0.5 to 1.0)
anti-6A, M50.3 (0.3 to 0.4)0.4 (0.3 to 0.6)0.3 (0.2 to 0.4)
anti-6A, M130.3 (0.2 to 0.4)0.3 (0.2 to 0.4)0.2 (0.2 to 0.4)
anti-6A, M141.7 (1.3 to 2.3)1.4 (0.9 to 2.1)1.6 (1.0 to 2.5)
anti-6B, M51.8 (1.4 to 2.3)1.7 (1.3 to 2.4)1.8 (1.3 to 2.5)
anti-6B, M130.6 (0.4 to 0.7)0.5 (0.4 to 0.7)0.4 (0.3 to 0.7)
anti-6B, M143.8 (3.1 to 4.8)2.4 (1.7 to 3.5)3.4 (2.2 to 5.2)
anti-7F, M52.5 (2.2 to 3.0)2.2 (1.8 to 2.7)2.8 (2.1 to 3.7)
anti-7F, M130.4 (0.4 to 0.5)0.4 (0.3 to 0.5)0.4 (0.3 to 0.6)
anti-7F, M143.5 (2.9 to 4.2)2.2 (1.6 to 3.1)3.4 (2.4 to 4.9)
anti-9V, M51.2 (1.0 to 1.4)1.2 (1.0 to 1.5)1.3 (1.0 to 1.7)
anti-9V, M130.3 (0.2 to 0.4)0.3 (0.2 to 0.4)0.2 (0.1 to 0.3)
anti-9V, M141.6 (1.3 to 2.0)1.0 (0.8 to 1.4)1.6 (1.2 to 2.2)
anti-14, M55.2 (4.1 to 6.5)6.0 (4.4 to 8.0)7.0 (4.9 to 10.0)
anti-14, M131.0 (0.7 to 1.3)0.8 (0.6 to 1.0)0.9 (0.5 to 1.4)
anti-14, M148.4 (6.8 to 10.4)6.8 (4.8 to 9.7)9.0 (6.0 to 13.5)
anti-18C, M52.3 (1.9 to 2.8)2.0 (1.5 to 2.5)2.9 (2.2 to 3.8)
anti-18C, M130.2 (0.2 to 0.3)0.2 (0.1 to 0.3)0.3 (0.2 to 0.4)
anti-18C, M143.6 (3.0 to 4.4)2.3 (1.5 to 3.6)3.4 (2.6 to 4.6)
anti-19A, M50.2 (0.2 to 0.3)0.2 (0.2 to 0.4)0.2 (0.2 to 0.3)
anti-19A, M130.3 (0.2 to 0.4)0.3 (0.2 to 0.4)0.2 (0.1 to 0.3)
anti-19A, M141.2 (0.8 to 1.7)1.1 (0.6 to 1.9)0.8 (0.5 to 1.2)
anti-19F, M53.7 (3.0 to 4.6)3.8 (2.7 to 5.3)4.7 (3.3 to 6.6)
anti-19F, M130.9 (0.7 to 1.2)0.9 (0.7 to 1.3)0.9 (0.5 to 1.5)
anti-19F, M148.0 (6.2 to 10.2)6.9 (4.5 to 10.6)9.8 (6.8 to 14.2)
anti-23F, M51.4 (1.0 to 1.9)1.8 (1.4 to 2.4)1.5 (1.0 to 2.2)
anti-23F, M130.3 (0.2 to 0.4)0.3 (0.2 to 0.4)0.2 (0.2 to 0.4)
anti-23F, M143.4 (2.6 to 4.5)2.1 (1.3 to 3.4)2.9 (1.8 to 4.7)
SecondaryNumber of Subjects With Anti-diphtheria (Anti-D) Antibodies

Cut-off values assessed were greater than or equal to (≥) 0.1 international units per milliliter (IU/mL).

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Count of participants · Participants
Number of Subjects With Anti-diphtheria (Anti-D) Antibodies
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Number of Subjects With Anti-diphtheria (Anti-D) Antibodies723438
SecondaryConcentration of Antibodies Against Diphtheria Antigens (Anti-D)

Concentrations are presented as geometric mean concentrations (GMCs) expressed in international units per milliliter (IU/mL).

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Geometric mean · IU/mL
Concentration of Antibodies Against Diphtheria Antigens (Anti-D)
IU/mLNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Concentration of Antibodies Against Diphtheria Antigens (Anti-D)2.259 (1.820 to 2.804)3.028 (2.177 to 4.213)2.462 (1.700 to 3.565)
SecondaryConcentration of Antibodies Against Diphtheria Antigens (Anti-D)

Concentrations are presented as geometric mean concentrations (GMCs) expressed in international units per milliliter (IU/mL). The analysis was performed in a randomized subset of 25% of subjects of all three groups. Note: As the percentage of subjects with serological results excluded from the ATP cohorts was higher than 5%, a second analysis based on the total vaccinated cohorts (TVCs) (Primary and Booster) was performed to complement the ATP analysis.

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Geometric mean · IU/mL
Concentration of Antibodies Against Diphtheria Antigens (Anti-D)
IU/mLNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Concentration of Antibodies Against Diphtheria Antigens (Anti-D)2.435 (1.958 to 3.028)3.069 (2.225 to 4.233)2.423 (1.688 to 3.479)
SecondaryConcentration of Antibodies Against Pertussis Toxoid (Anti-PT), Filamentous Haemagglutinin (Anti-FHA), Pertactin (Anti-PRN) Antigens

Concentrations are presented as geometric mean concentrations (GMCs) expressed in enzyme-linked immunosorbent assay (ELISA) units per milliliter (EL.U/ml).

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Geometric mean · EL.U/mL
Concentration of Antibodies Against Pertussis Toxoid (Anti-PT), Filamentous Haemagglutinin (Anti-FHA), Pertactin (Anti-PRN) Antigens
EL.U/mLNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-PT, M549.9 (43.3 to 57.6)51.9 (40.8 to 66.0)47.8 (38.3 to 59.7)
anti-FHA, M5126.2 (108.8 to 146.3)134.2 (108.3 to 166.4)132.6 (107.8 to 163.1)
anti-PRN, M5108.6 (88.8 to 132.9)167.5 (117.6 to 238.7)158.2 (106.5 to 235.1)
SecondaryNumber of Subjects With Anti-pertussis Toxoid (Anti-PT), Anti-filamentous Haemagglutinin (Anti-FHA), Anti-pertactin (Anti-PRN) Immunoglobulin G (IgG) Antibodies

Cut-off values assessed were greater than or equal to ≥ 5 enzyme-linked immunosorbent assay (ELISA) units per milliliter (EL.U/ml).

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Count of participants · Participants
Number of Subjects With Anti-pertussis Toxoid (Anti-PT), Anti-filamentous Haemagglutinin (Anti-FHA), Anti-pertactin (Anti-PRN) Immunoglobulin G (IgG) Antibodies
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-PT, M5773640
anti-FHA, M5773640
anti-PRN, M5773639
SecondaryConcentration of Antibodies Against Pertussis Toxoid (Anti-PT), Filamentous Haemagglutinin (Anti-FHA), Pertactin (Anti-PRN) Antigens

Concentrations are presented as geometric mean concentrations (GMCs) expressed in enzyme-linked immunosorbent assay (ELISA) units per milliliter (EL.U/ml).

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Geometric mean · EL.U/mL
Concentration of Antibodies Against Pertussis Toxoid (Anti-PT), Filamentous Haemagglutinin (Anti-FHA), Pertactin (Anti-PRN) Antigens
EL.U/mLNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-PT, M550.4 (43.9 to 57.8)54.7 (42.9 to 69.9)46.4 (37.0 to 58.1)
anti-FHA, M5127.3 (110.6 to 146.6)143.3 (114.4 to 179.4)129.4 (105.1 to 159.2)
anti-PRN, M5116.7 (95.2 to 143.1)178.9 (125.5 to 255.1)154.8 (105.0 to 228.3)
SecondaryAntibody Titers for Anti-polio Type 1, 2 and 3 Antibodies

Antibody titers are presented as geometric mean titers (GMTs).

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Geometric mean · Titers
Antibody Titers for Anti-polio Type 1, 2 and 3 Antibodies
TitersNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-Polio 1, M5788.8 (584.1 to 1065.2)1102.9 (725.2 to 1677.2)908.6 (549.1 to 1503.4)
anti-Polio 2, M5850.4 (647.3 to 1117.3)953.3 (579.0 to 1569.5)1079.2 (704.9 to 1652.1)
anti-Polio 3, M51678.8 (1211.2 to 2326.9)1676.7 (1011.1 to 2780.5)1261.3 (720.8 to 2207.1)
SecondaryAntibody Titers for Anti-polio Type 1, 2 and 3 Antibodies

Antibody titers are presented as geometric mean titers (GMTs). The analysis was performed in a randomized subset of 25% of subjects of all three groups. Note: As the percentage of subjects with serological results excluded from the ATP cohorts was higher than 5%, a second analysis based on the total vaccinated cohorts (TVCs) (Primary and Booster) was performed to complement the ATP analysis.

Time frame:
At Month 5 (one month post-dose 3)
Reported as:
Geometric mean · Titers
Antibody Titers for Anti-polio Type 1, 2 and 3 Antibodies
TitersNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-Polio 1, M5827.2 (618.7 to 1105.8)1048.1 (681.1 to 1612.7)861.0 (523.3 to 1416.8)
anti-Polio 2, M5931.3 (707.7 to 1225.6)990.4 (606.5 to 1617.3)1024.0 (668.6 to 1568.2)
anti-Polio 3, M51709.5 (1245.4 to 2346.7)1618.7 (963.7 to 2719.0)1184.8 (679.9 to 2064.4)
SecondaryNumber of Subjects With Anti-tetanus (Anti-T) Antibodies

Cut-off values assessed were greater than or equal to (≥) 0.1 international units per milliliter (IU/mL).

Time frame:
At Months 5 (one month post-dose 3), Month 13 (prior booster-dose) and Month 14 (one month after the booster dose)
Reported as:
Count of participants · Participants
Number of Subjects With Anti-tetanus (Anti-T) Antibodies
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-T, M5773640
anti-T, M13582824
anti-T, M14622223
SecondaryConcentration of Antibodies Against Tetanus Antigens (Anti-T)

Concentrations are presented as geometric mean concentrations (GMCs) expressed in international units per milliliter (IU/mL).

Time frame:
At Months 5 (one month post-dose 3), Month 13 (prior booster-dose) and Month 14 (one month after the booster dose)
Reported as:
Geometric mean · IU/mL
Concentration of Antibodies Against Tetanus Antigens (Anti-T)
IU/mLNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-T, M55.798 (4.998 to 6.726)7.246 (5.305 to 9.897)5.973 (4.818 to 7.406)
anti-T, M130.479 (0.398 to 0.576)0.659 (0.427 to 1.018)0.461 (0.297 to 0.716)
anti-T, M1418.977 (16.013 to 22.489)16.813 (12.386 to 22.821)35.835 (23.802 to 53.951)
SecondaryNumber of Subjects With Anti-tetanus (Anti-T) Antibodies

Cut-off values assessed were greater than or equal to (≥) 0.1 international units per milliliter (IU/mL). The analysis was performed in a randomized subset of 25% of subjects of all three groups. Note: As the percentage of subjects with serological results excluded from the ATP cohorts was higher than 5%, a second analysis based on the total vaccinated cohorts (TVCs) (Primary and Booster) was performed to complement the ATP analysis.

Time frame:
At Months 5 (one month post-dose 3), 13 (prior booster-dose) and 14 (one month after the booster dose)
Reported as:
Count of participants · Participants
Number of Subjects With Anti-tetanus (Anti-T) Antibodies
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
anti-T, M5773640
anti-T, M13582824
anti-T, 14622223
SecondaryAnti-PRP Antibody Concentrations (Geometric Mean Concentrations) in a Randomized Subset of 25% of the Subjects

The endpoints evaluating immunogenicity of the Hib component (anti-polyribosyl ribitol phosphate \[anti-PRP\] antibody concentrations) has been cancelled owing to the extended delay in the re-development and re-validation of the PRP assay.

Time frame:
At Month 5 (one month post-dose 3)

No measurements were reported for this outcome.

SecondaryNumber of Subjects With Solicited Local Symptoms (Primary Phase)

Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = pain that prevented normal activity. Grade 3 redness/swelling = redness/swelling spreading beyond 30 millimeters (mm) of injection site.

Time frame:
Within 8 days (Day 0-7) post primary vaccination
Reported as:
Count of participants · Participants
Number of Subjects With Solicited Local Symptoms (Primary Phase)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Any Pain Dose 1220115108
Grade 3 Pain Dose 1382514
Any Redness Dose 1943943
Grade 3 Redness Dose 1100
Any Swelling Dose 1843134
Grade 3 Swelling Dose 1030
Any Pain Dose 217792101
Grade 3 Pain Dose 2331116
Any Redness Dose 2935148
Grade 3 Redness Dose 2201
Any Swelling Dose 2764742
Grade 3 Swelling Dose 2220
Any Pain Dose 31487393
Grade 3 Pain Dose 316189
Any Redness Dose 3744642
Grade 3 Redness Dose 3111
Any Swelling Dose 3664637
Grade 3 Swelling Dose 3100
Any Pain Across Doses262135142
Grade 3 Pain Across Doses653633
Any Redness Across Doses1607978
Grade 3 Redness Across Doses412
Any Swelling Across Doses1477470
Grade 3 Swelling Across Doses340
SecondaryNumber of Subjects With Solicited Local Symptoms (Booster Phase)

Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = pain that prevented normal activity. Grade 3 redness/swelling = redness/swelling spreading beyond 30 millimeters (mm) of injection site.

Time frame:
Within 8 days (Day 0-7) post booster vaccination
Reported as:
Count of participants · Participants
Number of Subjects With Solicited Local Symptoms (Booster Phase)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Any Pain1397177
Grade 3 Pain211914
Any Redness743239
Grade 3 Redness113
Any Swelling552933
Grade 3 Swelling213
SecondaryNumber of Subjects With Solicited General Symptoms (Primary Phase)

Assessed solicited general symptoms were temperature \[defined as rectally temperature equal to or above 38 degrees Celsius (°C)\], drowsiness, irritability and loss of appetite. Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptom = symptom that prevented normal activity. Grade 3 temperature = temperature \> 40.0 °C. Related = symptom assessed by the investigator as related to the vaccination.

Time frame:
Within 8 days (Day 0-7) post primary vaccination
Reported as:
Count of participants · Participants
Number of Subjects With Solicited General Symptoms (Primary Phase)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Any Drowsiness Dose 11779384
Grade 3 Drowsiness Dose 118102
Related Drowsiness Dose 11608479
Any Irritability Dose 120010799
Grade 3 Irritability Dose 119910
Related Irritability Dose 11889689
Any Loss of appetite Dose 11096242
Grade 3 Loss of appetite Dose 1753
Related Loss of appetite Dose 1995535
Any Temperature Dose 11266258
Grade 3 Temperature Dose 1001
Related Temperature Dose 11095653
Any Drowsiness Dose 21167267
Grade 3 Drowsiness Dose 2988
Related Drowsiness Dose 21096962
Any Irritability Dose 21638290
Grade 3 Irritability Dose 2201410
Related Irritability Dose 21587785
Any Loss of appetite Dose 2895044
Grade 3 Loss of appetite Dose 2656
Related Loss of appetite Dose 2804839
Any Temperature Dose 21196463
Grade 3 Temperature Dose 2000
Related Temperature Dose 21165954
Any Drowsiness Dose 31025464
Grade 3 Drowsiness Dose 31184
Related Drowsiness Dose 3955460
Any Irritability Dose 31407373
Grade 3 Irritability Dose 314143
Related Irritability Dose 31327269
Any Loss of appetite Dose 3764350
Grade 3 Loss of appetite Dose 3763
Related Loss of appetite Dose 3634146
Any Temperature Dose 31095141
Grade 3 Temperature Dose 3200
Related Temperature Dose 3964636
Any Drowsiness Across Doses217121118
Grade 3 Drowsiness Across Doses301913
Related Drowsiness Across Doses205116114
Any Irritability Across Doses254128126
Grade 3 Irritability Across Doses422718
Related Irritability Across Doses246125121
Any Loss of appetite Across1658982
Grade 3 Loss of appetite Across171310
Related Loss of appetite Across1518477
Any Temperature Across Doses203102101
Grade 3 Temperature Across Doses201
Related Temperature Across Doses1939793
SecondaryNumber of Subjects With Solicited General Symptoms (Booster Phase)

Assessed solicited general symptoms were temperature \[defined as rectally temperature equal to or above 38 degrees Celsius (°C)\], drowsiness, irritability and loss of appetite. Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptom = symptom that prevented normal activity. Grade 3 temperature = temperature \> 40.0 °C. Related = symptom assessed by the investigator as related to the vaccination.

Time frame:
Within 8 days (Day 0-7) post booster vaccination
Reported as:
Count of participants · Participants
Number of Subjects With Solicited General Symptoms (Booster Phase)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Any Drowsiness794643
Grade 3 Drowsiness475
Related Drowsiness754243
Any Irritability1125461
Grade 3 Irritability91210
Related Irritability1065260
Any Loss of appetite693739
Grade 3 Loss of appetite551
Related Loss of appetite603437
Any Temperature683527
Grade 3 Temperature210
Related Temperature623224
SecondaryNumber of Subjects With Unsolicited Adverse Events (AEs) (Primary Phase)

An unsolicited AE covers any untoward medical occurrence in a clinical investigation subject temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product and reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Any was defined as the occurrence of any unsolicited AE regardless of intensity grade or relation to vaccination.

Time frame:
Within 31 days (Day 0-30) post each primary vaccine dose
Reported as:
Count of participants · Participants
Number of Subjects With Unsolicited Adverse Events (AEs) (Primary Phase)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Any AE(s) Dose 1673634
Any AE(s) Dose 2703428
Any AE(s) Dose 3974945
SecondaryNumber of Subjects With Unsolicited Adverse Events (AEs) (Booster Phase)

An unsolicited AE covers any untoward medical occurrence in a clinical investigation subject temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product and reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Any was defined as the occurrence of any unsolicited AE regardless of intensity grade or relation to vaccination.

Time frame:
Within 31 days (Day 0-30) post booster vaccination
Reported as:
Count of participants · Participants
Number of Subjects With Unsolicited Adverse Events (AEs) (Booster Phase)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Number of Subjects With Unsolicited Adverse Events (AEs) (Booster Phase)583236
SecondaryNumber of Subjects With New Onset of Chronic Illnesses (NOCIs)

NOCIs include autoimmune disorders, asthma, type I diabetes, allergies.

Time frame:
From Day 0 to Month 19
Reported as:
Count of participants · Participants
Number of Subjects With New Onset of Chronic Illnesses (NOCIs)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Number of Subjects With New Onset of Chronic Illnesses (NOCIs)1684
SecondaryNumber of Subjects With Serious Adverse Events (SAEs)

Serious adverse events (SAEs) assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/incapacity.

Time frame:
From Day 0 to Month 19
Reported as:
Count of participants · Participants
Number of Subjects With Serious Adverse Events (SAEs)
ParticipantsNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
Number of Subjects With Serious Adverse Events (SAEs)351414

Adverse events

Collected over Solicited local/general symptoms during the 8-day post-vaccination period (Days 0-7), Unsolicited AEs during the 31-day post-vaccination (Days 0-30), SAEs during the entire study period (Day 0 - Month 19).. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Nimenrix 3+1 Group0/376 (0%)35/376 (9.3%)334/376 (88.8%)
Nimenrix 1+1 Group0/187 (0%)14/187 (7.5%)169/187 (90.4%)
Nimenrix Control Group1/187 (0.5%)14/187 (7.5%)169/187 (90.4%)
Most frequent serious events
Showing 10 of 41
Most frequent serious events
EventNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
PneumoniaInfections and infestations13/3762/1873/187
BronchiolitisInfections and infestations5/3761/1873/187
GastroenteritisInfections and infestations4/3761/1873/187
Escherichia urinary tract infectionInfections and infestations1/3762/1870/187
NasopharyngitisInfections and infestations0/3760/1872/187
Urinary tract infectionInfections and infestations2/3762/1870/187
Head injuryInjury, poisoning and procedural complications0/3762/1870/187
BronchitisInfections and infestations3/3760/1871/187
DiarrhoeaGastrointestinal disorders2/3760/1871/187
Sudden infant death syndromeGeneral disorders0/3760/1871/187
Most frequent other events
Showing 10 of 11
Most frequent other events
EventNimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control Group
PainGeneral disorders273/376142/187145/187
IrritabilityPsychiatric disorders262/376130/187130/187
SomnolenceNervous system disorders224/376124/187120/187
PyrexiaGeneral disorders215/376112/187111/187
Decreased appetiteMetabolism and nutrition disorders185/37695/18795/187
ErythemaSkin and subcutaneous tissue disorders177/37687/18787/187
SwellingGeneral disorders157/37683/18778/187
NasopharyngitisInfections and infestations65/37627/18726/187
PharyngitisInfections and infestations39/37617/18727/187
DiarrhoeaGastrointestinal disorders36/37615/18710/187

Baseline characteristics

Age, Continuous
Age, Continuous(Weeks)Nimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control GroupTotal
Mean8.1 ± 1.68.1 ± 1.78.2 ± 1.78.12 ± 1.65
Sex: Female, Male
Sex: Female, Male(Participants)Nimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control GroupTotal
Female18210595382
Male1948292368
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Nimenrix 3+1 GroupNimenrix 1+1 GroupNimenrix Control GroupTotal
White - Arabic / North African Heritage19910099398
White - Caucasian / European Heritage1012
Mixed Origin1768787350
08

Study locations

2 sites
  • GSK Investigational Site
    Beirut, 1107-2020, Lebanon
  • GSK Investigational Site
    Durango, 34000, Mexico
09

References and documents

Publications

  • Dbaibo G, Tinoco Favila JC, Traskine M, Jastorff A, Van der Wielen M. Immunogenicity and safety of MenACWY-TT, a meningococcal conjugate vaccine, co-administered with routine childhood vaccine in healthy infants: A phase III, randomized study. Vaccine. 2018 Jun 27;36(28):4102-4111. doi: 10.1016/j.vaccine.2018.05.046. Epub 2018 May 18. PubMed 29784470 ↗
10

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Jan 2012 to primary completion in Aug 2014, 30 months.

Results were first posted in Aug 2019, 5 years after primary completion. A results delay was requested in Mar 2015.

Of 46 industry-sponsored phase 3 interventional studies under Meningococcal Infections, half reached primary completion within 15 months of starting (the median), counting those still running; a quarter within 8 and three quarters within 40. This study's 30 months is above that.

Counting every sponsor, half of 46 studies reached it within 15 months; a quarter within 8 and three quarters within 40.

How these figures are worked out, and which studies are left out of them.

Registered
Apr 14, 2011
First posted
Apr 25, 2011
StartActual
Jan 27, 2012
Primary completionActual
Aug 4, 2014
CompletionActual
Oct 19, 2015
Results delay requested
Mar 12, 2015
Results first posted
Aug 6, 2019
Last update
Aug 6, 2019
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Aug 6, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT01340898
Lead sponsor
GlaxoSmithKline
Responsible party
Sponsor
First posted
Apr 25, 2011
Start date
Jan 27, 2012
Primary completion
Aug 4, 2014
Completion
Oct 19, 2015
Results posted
Aug 6, 2019
Last update
Aug 6, 2019

Study contacts

GSK Clinical Trials
study director · GlaxoSmithKline

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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