ClinicalTrials.gg
Not yet recruitingNCT06460545Updated Jun 14, 2024

Phase IV Study of Concomitant Administration of the sIPV and HepA

A Phase 4 interventional study of sIPV (booster dose at 18 months of age) and HepA-L in Polio and Hepatitis A, sponsored by Institute of Medical Biology, Chinese Academy of Medical Sciences. Not yet recruiting at 3 sites in China. Open to participants aged 4 Months to 4 Months, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-06-14.

Sponsored by Institute of Medical Biology, Chinese Academy of Medical Sciences · Phase 4, Interventional, and Prevention

Phase
Phase 4
Study type
Interventional
Enrollment
2,000
Allocation
Randomized
Ages
4 Months to 4 Months
Sex
All
01

Study summary

This study is a randomized, open-labeled phase IV clinical trial to evaluate the immunogenicity and safety of concomitant administration of sIPV and HepA-L or HepA-I in children aged 18 months. The primary immunogenicity endpoints in all groups are the seroconversion rates of type I, II, and III anti-poliovirus neutralizing antibodies and the seroconversion rate of anti-hepatitis A virus antibodies 30 days after the final administration. The secondary immunogenicity endpoints are (1) the GMT/GMC of type I, II, and III anti-poliovirus neutralizing antibodies as well as the anti-hepatitis A virus antibodies 30 days after the final administration; (2) the seropositive rates of the anti-hepatitis A virus antibodies 30 days after the final administration; (3) the GMFI of type I, II, and III anti-poliovirus neutralizing antibodies as well as the anti-hepatitis A virus antibodies 30 days after the final administration. The secondary safety endpoints are the incidence of adverse events (AEs) within 30 minutes after each injection, the incidence of solicited local and systematic AEs in the period of solicitation after each injection, the incidence of unsolicited AEs in 30 days after each injection, the incidence of AEs in 30 days after each injection, and the incidence of serious adverse events in 6 months after administrations.

Read the detailed description

This is a randomized, open-labeled, parallel phase IV clinical trial to evaluate the immunogenicity and safety of concomitant administration of sIPV and HepA-L or HepA-I. 2000 children subjects aged 4 months will be enrolled to take administration of 1 dose of sIPV. All participants at 18 months of age will be randomly assigned to 5 cohorts in a ratio of 4:4:4:3:3, that is, (1) 400 subjects will be concomitantly injected with sIPV and HepA-L, (2) 400 subjects will be concomitantly injected with sIPV and HepA-I, and another dose of HepA-I at 24 months of age (3) 400 subjects will be only injected one dose of sIPV, (4) 300 subjects will be only injected with one dose of HepA-L, (5) 300 subjects will be only injected with two doses of HepA-I at 18 and 24 months of age, respectively.

For safety assessment, adverse events after the third dose of sIPV at 4 months of age would be collected through phone-call follow-ups on Day 8 and Day 30 after the injection by investigators and active reports from participants' guardians. At 18 months of age, safety data would be recorded through the diary and contact cards by participants' guardians to collect solicited or unsolicited AEs in periods of solicitation and nonsolicitation, respectively. From 31 days after the final dose to 6 months later, serious adverse events will be evaluated by the investigator via phone call or active reports by participants' guardians.

For immunogenicity assessment, blood samples before each dose on Day 0 and Day 30 after each injection would be collected to evaluate the type I, II, and III anti-poliovirus neutralizing antibody levels or/and anti-hepatitis A virus antibody for different groups.

02

Conditions studied

  • Polio
  • Hepatitis A
03

In context

Poliomyelitis

274 studies on the registry are indexed under Poliomyelitis; 18 are open to participants now.

This study's planned enrollment of 2,000 is above the median of 476 across 249 interventional studies indexed under Poliomyelitis.

Browse Poliomyelitis studies →

Lead sponsor

Institute of Medical Biology, Chinese Academy of Medical Sciences is the lead sponsor of 29 studies on the registry; 10 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
4 Months to 4 Months
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

  • Age Requirement: Children aged 4 months at the time of enrollment
  • Vaccination Requirement: volunteers have already taken administration 2 doses of sabin-strain-based inactivated poliovirus vaccine (produced by IMBCAMS), and have not yet been injected with the third dose containing poliovirus antigen.
  • Provision of Legal Identification: Volunteers and their legal guardians or appointed representatives must provide valid legal identification documents.
  • : Legal guardians or appointed representatives of volunteers must have the capacity to understand the informed consent document and the research process, voluntarily participate, and sign the informed consent form.
  • Adherence: Legal guardians or appointed representatives of volunteers must be able to comply with the requirements in the study as well as complete relevant visits on time.
  • Birth condition: Full-term birth (37\~42 gestational weeks) and normal birth weight (no less than 2500g).
  • Temperature Requirement: Axillary body temperature prior to vaccination is less than 37.3°C.

Exclusion criteria

Exclusion Criteria:

  • Health Requirement: Volunteers cannot meet health requirements through physical examinations.
  • History of Related Illness: Volunteers have a history of developing Hepatitis A, poliomyelitis, or immunodeficiency.
  • Birth Condition: Volunteers have a history of abnormal labor stage, asphyxia, nervous system damage, or clinically confirmed pathologic jaundice。
  • Allergic History: Volunteers have a history of allergies to any component of the vaccine (e.g., aluminum hydroxide), any history of vaccine allergies, suspected allergies, or any other severe adverse reactions.
  • Vaccine History: Volunteers received any inactivated vaccines or subunit vaccines within 7 days (including the 7th day) prior to vaccination with the investigational vaccine, or any other within 14 days (including the 14th day) prior to vaccination.
  • Acute Illness: Volunteers have experienced acute illnesses (e.g., fever) within 3 days prior to vaccination with the investigational vaccine.
  • Neurological and Mental Health: Volunteers have a history of seizures, convulsions, cerebral palsy, epilepsy, mental illness, or a family history of such conditions.
  • Health Conditions: Volunteers have known congenital abnormalities, developmental disorders, genetic defects, or severe malnutrition, among other conditions.
  • Coagulation Abnormalities: Volunteers have a history of coagulation disorders (e.g., coagulation factor deficiency, coagulation disorders).
  • Infectious Diseases: Volunteers have infectious diseases that may affect the study, such as (HIV) infection, hepatitis, and tuberculosis.
  • Special Condition: Volunteers who could not tolerate venipuncture, or had a history of needle and blood sickness.
  • Organ Removal History: Volunteers have a history of organ removal (e.g., thyroid, pancreas, liver, spleen).
  • History of Blood Products: Volunteers have a history of loss of blood, blood transfusion, the use of therapies, or immunoglobulin within 3 months prior to vaccination.
  • Immune Therapy: Volunteers have received immune-enhancing or immune-suppressing therapy within the last 3 months (continuous oral or intravenous administration for more than 14 days) prior to vaccination.
  • Participation in Other Clinical Studies: Volunteers are currently or have plans to participate in other clinical studies before enrollment.
  • Investigator's Discretion: The final exclusion criterion is the investigator's discretion to determine whether a volunteer is suitable for participation in the study.
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.

Live vaccines

Vaccines made with a weakened form of the germ, such as measles–mumps–rubella (MMR), chickenpox and yellow fever. They can be risky when the immune system is weakened. Flu injections are not live; the nasal flu spray is.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Adjuvant and neoadjuvant

Neoadjuvant treatment is given before the main treatment (usually surgery), often to shrink a tumour. Adjuvant treatment is given after it, to lower the chance of the cancer coming back.

05

Study design

Phase
Phase 4
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
2,000 participants (estimated)

Study arms

  • Experimental
    sIPV + HepA-L (coconmitant vaccination cohort)

    Concomitant administration of sIPV and HepA-L at 18 months of age

    Biological: sIPV (booster dose at 18 months of age) · Biological: HepA-L

  • Experimental
    sIPV + HepA-I (coconmitant vaccination cohort)

    Concomitant administration of sIPV and HepA-I at 18 months of age, and another dose administration of HepA-I at 24 months of age

    Biological: sIPV (booster dose at 18 months of age) · Biological: HepA-I

  • Experimental
    sIPV (individual vaccination cohort)

    One booster dose of sIPV at 18 months of age

    Biological: sIPV (booster dose at 18 months of age)

  • Experimental
    HepA-L (individual vaccination cohort)

    One dose of Hep-L at 18 months of age

    Biological: HepA-L

  • Experimental
    HepA-I (individual vaccination cohort)

    Two doses of Hep-I at 18 and 24 months of age, respectively

    Biological: HepA-I

Interventions

  • BiologicalsIPV (booster dose at 18 months of age)

    Sabin-strain-based inactivated vaccine (Vero cells), 0.5mL for each dose at 18 months of age for the booster one

  • BiologicalHepA-L

    Freeze-dried/lyophilized live-attenuated hepatitis A virus vaccine, 1.0mL for each dose at 18 months of age

  • BiologicalHepA-I

    Inactivated hepatitis A virus vaccine, 0.5mL for each dose, two doses at 18 and 24 months of age, respectively

06

What researchers measure

Primary outcomes

  1. Immunogenicity index-seroconversion rate of type I anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method. Seroconversion will be defined as a change from seronegative (\<1:8) to seropositive (≥1:8), or a ≥4-fold increase from baseline

    Time frame: Between baseline and day 30 after vaccination

  2. Immunogenicity index-seroconversion rate of type II anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method. Seroconversion will be defined as a change from seronegative (\<1:8) to seropositive (≥1:8), or a ≥4-fold increase from baseline

    Time frame: Between baseline and day 30 after vaccination

  3. Immunogenicity index-seroconversion rate of type III anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method. Seroconversion will be defined as a change from seronegative (\<1:8) to seropositive (≥1:8), or a ≥4-fold increase from baseline

    Time frame: Between baseline and day 30 after vaccination

  4. Immunogenicity index-seropositive rate of type I anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method. Seroconversion will be defined as the level (≥1:8).

    Time frame: Day 30 after vaccination

  5. Immunogenicity index-seropositive rate of type II anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method. Seroconversion will be defined as the level (≥1:8).

    Time frame: Day 30 after vaccination

  6. Immunogenicity index-seropositive rate of type III anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method. Seroconversion will be defined as the level (≥1:8).

    Time frame: Day 30 after vaccination

  7. Immunogenicity index-seroconversion rate of anti-hepatitis A virus antibody

    Antibody assay will be performed using the ELISA method. Seroconversion will be defined as a change from seronegative (\<20mIU/ml) to seropositive (≥20mIU/ml), or a ≥4-fold increase from baseline

    Time frame: Between baseline and day 30 after vaccination

Secondary outcomes

  1. Immunogenicity index-geometric mean titer (GMT) of type I anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method.

    Time frame: Day 30 after vaccination

  2. Immunogenicity index-geometric mean titer (GMT) of type II anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method.

    Time frame: Day 30 after vaccination

  3. Immunogenicity index-geometric mean titer (GMT) of type III anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method.

    Time frame: Day 30 after vaccination

  4. Immunogenicity index-geometric mean concentration (GMC) of anti-hepatitis A virus antibody

    Antibody assay will be performed using the ELISA method.

    Time frame: Day 30 after vaccination

  5. Immunogenicity index-seropositive rate of anti-hepatitis A virus antibody

    Antibody assay will be performed using the ELISA method. Seropositive will be defined as the level (≥20mIU/ml).

    Time frame: Day 30 after vaccination

  6. Immunogenicity index-geometric mean fold increase (GMFI) of type I anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method.

    Time frame: Between baseline and Day 30 after vaccination

  7. Immunogenicity index-geometric mean fold increase (GMFI) of type II anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method.

    Time frame: Between baseline and Day 30 after vaccination

  8. Immunogenicity index-geometric mean fold increase (GMFI) of type III anti-poliovirus neutrilizing antibody

    Neutralizing antibody assay will be performed using the neutralization method.

    Time frame: Between baseline and Day 30 after vaccination

  9. Immunogenicity index-geometric mean fold increase (GMFI) of anti-hepatitis A virus antibody

    Antibody assay will be performed using the ELISA method.

    Time frame: Between baseline and Day 30 after vaccination

  10. Safety index-incidence of adverse events

    Incidence of adverse events after vaccination

    Time frame: 0-30 minutes after vaccination

  11. Safety index-incidence of solicited adverse events

    Incidence of solicited local and systematic adverse events after vaccination

    Time frame: Day 0-7 or Day 0-14 after vaccination

  12. Safety index-incidence of unsolicited adverse events

    Incidence of unsolicited adverse events after vaccination

    Time frame: Day 0-30 after vaccination

  13. Safety index-incidence of adverse events

    Incidence of adverse events after vaccination

    Time frame: Day 0-30 after vaccination

  14. Safety index-incidence of serious adverse events

    Incidence of serious adverse events

    Time frame: From the beginning of the vaccination up to 6 months after vaccination completed

07

Study locations

3 sites
  • Jiu Longpo District Center for Disease Control and Disease
    Chongqing, Chongqing, China
  • Wanzhou District Center for DIsease Control and Prevention
    Chongqing, Chongqing, China
  • Jiangjin District Center for Disease Control and Prevention
    Chongqing, Chonqing, China
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

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

Start is estimated for Jun 2024; primary completion for Aug 2026, 26 months later.

Of 30 phase 4 interventional studies under Poliomyelitis, half reached primary completion within 13 months of starting (the median), counting those still running; a quarter within 7 and three quarters within 25. This study's planned 26 months is above that.

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

Registered
Jun 11, 2024
First posted
Jun 14, 2024
StartEst.
Jun 15, 2024
Primary completionEst.
Aug 15, 2026
CompletionEst.
Dec 15, 2027
Last update
Jun 14, 2024
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 Jun 14, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06460545
Lead sponsor
Institute of Medical Biology, Chinese Academy of Medical Sciences
Responsible party
Sponsor
First posted
Jun 14, 2024
Start date
Jun 15, 2024 (estimated)
Primary completion
Aug 15, 2026 (estimated)
Completion
Dec 15, 2027 (estimated)
Last update
Jun 14, 2024

Study contacts

Jingsi Yang
Contact
yjs@imbcams.com.cn
0871-68334551 ext. +86
Jiawei Xu
principal investigator · Chongqing Center for Disease Control and Prevention

Oversight

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

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