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CompletedNCT04540419Updated Apr 23, 2024

Clinical Trial of Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) Against COVID-19

A Phase 3 interventional study of Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) and Placebo in Covid19, sponsored by NPO Petrovax. Completed at 7 sites in Russian Federation. Open to participants aged 18 Years to 85 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-04-23.

Sponsored by NPO Petrovax · Phase 3, Interventional, and Prevention

Phase
Phase 3
Study type
Interventional
Enrollment
500
Allocation
Randomized
Ages
18 Years to 85 Years
Sex
All
01

Study summary

This study is a phase III clinical trial to evaluate efficacy, reactogenicity and safety of the vaccine Ad5-nCoV compared with placebo in volunteers at the age from 18 to 85 years,with the randomized, double-blind design

Read the detailed description

A total of 500 healthy adult volunteers at the age from 18 to 85 years will be randomized into two treatment (vaccination) groups in ratio 3:1 by double-blind design.

Volunteers in group 1 (n=375) will be administered a single dose of the vaccine Ad5-nCoV (5E10vp).

Volunteers in group 2 (n=125): will be administered a single dose of placebo. Vaccine Ad5-nCoV or placebo will be administered intramuscularly into the deltoid muscle of the arm at a single dose of 0.5 mL (1 prefilled syringe).

02

Conditions studied

  • Covid19

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03

In context

COVID-19

7,640 studies on the registry are indexed under COVID-19; 488 are open to participants now.

This study's enrollment of 500 is above the median of 100 across 4,099 interventional studies indexed under COVID-19.

Browse COVID-19 studies →

Lead sponsor

NPO Petrovax is the lead sponsor of 13 studies on the registry; 2 are open to participants now.

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

04

Who can participate

Ages eligible
18 Years to 85 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  1. Presence of signed and dated Informed Consent of volunteer for participation in this study.
  2. Men and women at the age of 18-85 years.
  3. Bodyweight index 18.5-30.0 kg/m2.
  4. The negative result of the test, performed by using PCR, for the presence of SARS-CoV-2 RNA at the stage of screening.
  5. Negative result for anti-SARS-CoV-2 IgM and IgG antibodies at the stage of screening.
  6. No history of the diagnosis COVID-19.
  7. Absence of close contacts with individuals, suspicious for infection SARS-CoV-2, or individuals, in whom the diagnosis COVID-19 was confirmed in laboratory within the last 14 days.
  8. Absence of signs of respiratory infection within the last 14 days.
  9. Negative results of human immunodeficiency virus (HIV), syphilis, hepatitis B and hepatitis C tests.
  10. According to historical data and results of screening examination, a volunteer has no diseases and/or conditions, which in view of Investigator, may influence the safety of volunteer participation and evaluation of study results.
  11. Volunteer consent for using safe contraceptive methods through all the study.

Exclusion criteria

Exclusion Criteria:

  1. Positive history of allergy, drug intolerance, including increased sensibility to any of components of the test drug product, as well as the history of serious adverse events in the administration of vaccines (such as allergic reactions, respiratory disturbance, angioedema, stomach pain).
  2. Axillary body temperature ≥37.1 °C at the time of screening/randomization.
  3. Systolic blood pressure more than 139 mm Hg or less than 100 mm Hg and/or diastolic blood pressure more than 90 mm Hg or less than 60 mm Hg.
  4. Clinical significant abnormal laboratory and/or instrumental parameters at screening examination.
  5. Acute infectious diseases less than 4 weeks ahead of conduction of screening procedures.
  6. Acute and acute course of chronic diseases of GIT, liver, kidneys, cardiovascular, respiratory, nervous and endocrine systems.
  7. History of blood and hematopoietic organ diseases.
  8. History of diabetes mellitus.
  9. History of epilepsy, epileptic syndrome, seizures.
  10. History of congenital and acquired immunodeficiency, HIV-infection, lymphoma, leukaemia, systemic lupus erythematosus, juvenile rheumatoid arthritis or other autoimmune diseases.
  11. History malignancies.
  12. Using immunotropic preparations (immunomodulators, immunostimulators, immunodepressants), antiallergic, cytotoxic preparations for more than 10 sequential days within the last 3 months (except for inhalant and local using glucocorticoids [GCS] or using specified preparations less than 4 weeks ahead of the screening.
  13. Using immunoglobulin preparations or blood transfusion less than 3 months ahead of the screening.
  14. Using antipyretics (including non-steroidal anti-inflammatory agents and anilides) within 24 hours ahead of randomization.
  15. Blood donation or loss (≥450 mL of blood or plasma) less than 3 months ahead of the screening.
  16. Vaccination within 6 mon. ahead of screening or reluctance to refuse from the administration of any other vaccine during the study.
  17. Anamnestic data/data on alcoholism, narcomania, drug abuse, mental illnesses.
  18. Major surgery planned within the nearest 6 months or underwent within the last 6 months ahead of the screening.
  19. Carrying out of body piercing procedures, an appendix of tattoo less than 1 month ahead of conduction of screening procedures and through all the study.
  20. Pregnancy or breast-feeding period.
  21. Participation in another clinical study within 3 months ahead of the screening.
  22. Psychic, physical and other reasons, not allowing a volunteer to adhere to conditions and procedures of Study Protocol.
  23. Volunteers, who are Clinical Site staff.
  24. Other reasons, not allowing the volunteer to take part in this study in view of the study physician.
05

Study design

Phase
Phase 3
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
500 participants (actual)

Study arms

  • Experimental
    Ad5-nCoV single dose

    375 subjects, Ad5-nCoV containing 5E10 vp, single dose

    Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)

  • Placebo comparator
    Placebo single dose

    125 subjects, Placebo containing 0 vp, single dose

    Biological: Placebo

Interventions

  • BiologicalRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)

    Intramuscular administration

  • BiologicalPlacebo

    Intramuscular administration

06

What researchers measure

Primary outcomes

  1. Superiority of the vaccine Ad5-nCoV to placebo by the level of seroconversion

    Proportion of subjects with four-fold and higher increment of anti-receptor-binding domain antibodies \[receptor-binding domain, RBD\] of S-protein SARS-CoV-2).

    Time frame: Day 28 after vaccination

Secondary outcomes

  1. Immunogenicity of the vaccine Ad5-nCoV compared with placebo (titer of SARS-CoV-2 antibodies)

    Geometric mean titer of RBD и S-protein SARS-CoV-2 antibodies.

    Time frame: Day 14, 28 and after 6 months after vaccination.

  2. Immunogenicity of the vaccine Ad5-nCoV compared with placebo (level of seroconversion)

    Level of seroconversion (proportion of persons with four-fold and higher increment of RBD и S-protein SARS-CoV-2 antibodies).

    Time frame: Day 14, 28 and after 6 months after vaccination.

  3. Immunogenicity of the vaccine Ad5-nCoV compared with placebo (rise of SARS-CoV-2 antibodies)

    Geometric mean fold rise of RBD и S-protein SARS-CoV-2 antibodies.

    Time frame: Day 14, 28 and after 6 months after vaccination.

  4. Immunogenicity of the vaccine Ad5-nCoV compared with placebo (T-cell response)

    Quantity of T-cells.

    Time frame: Day 14, 28 and after 6 months after vaccination.

  5. Frequency of confirmed COVID-19

    Frequency of confirmed COVID-19 (confirmed case of COVID-19: presence of clinical signs and positive result of laboratory test for RNA of virus SARS-CoV-2) (exploratory analysis).

    Time frame: Within 6 months after vaccination (except for COVID-19 cases within 14 days after vaccination)

  6. Frequency of confirmed cases of COVID-19, requiring hospitalization

    Frequency of confirmed cases of COVID-19, requiring hospitalization. (confirmed case of COVID-19: presence of clinical signs and positive result of laboratory test for RNA of virus SARS-CoV-2) (exploratory analysis).

    Time frame: Within 6 months after vaccination (except for COVID-19 cases within 14 days after vaccination)

  7. Frequency of cases with severe course of COVID-19

    Frequency of cases with severe course of COVID-19 (confirmed case of COVID-19: presence of clinical signs and positive result of laboratory test for RNA of virus SARS-CoV-2) (exploratory analysis).

    Time frame: Within 6 months after vaccination (except for COVID-19 cases within 14 days after vaccination)

  8. Frequency of death due to COVID-19.

    Frequency of death due to COVID-19 (exploratory analysis).

    Time frame: Within 6 months after vaccination (except for COVID-19 cases within 14 days after vaccination)

  9. Reactogenicity of the vaccine Ad5-nCoV compared with placebo

    Frequency and character of general and local postvaccinal reactions.

    Time frame: Day 0 (day of vaccination), Day 2, Day 7

  10. Frequency and character of adverse events and serious adverse events.

    Frequency and character of adverse events and serious adverse events.

    Time frame: Day 0 - Month 6

  11. To evaluate safety of the vaccine Ad5-nCoV by its effect on vital parameters (blood pressure)

    Results of evaluation of vital parameters: * Systolic blood pressure * Diastolic blood pressure The researcher evaluates each of the vital parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 0, Day 2, Day 7, Day 14, Day 28, Month 6

  12. To evaluate safety of the vaccine Ad5-nCoV by its effect on vital parameters (heart rate)

    Results of evaluation of vital parameters: • Heart rate. The researcher evaluates each of the vital parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 0, Day 2, Day 7, Day 14, Day 28, Month 6

  13. To evaluate safety of the vaccine Ad5-nCoV by its effect on vital parameters (respiratory rate)

    Results of evaluation of vital parameters: • Respiratory rate. The researcher evaluates each of the vital parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 0, Day 2, Day 7, Day 14, Day 28, Month 6

  14. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of physical examination

    Results of physical examination includes examination of organs and systems: General state Ears, nose, throat Skin and examination of the injection site The lymph nodes The cardiovascular system Respiratory system Nervous system Abdominal organs Kidneys and urinary system Musculoskeletal system. During the physical examination, the researcher evaluates each of the systems in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 0, Day 2, Day 7, Day 14, Day 28, Month 6

  15. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of electrocardiography (Heart rate)

    Results of electrocardiography: • Heart rate (HR) The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2

  16. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of electrocardiography

    Results of electrocardiography: * Intervals RR, PQ, QT * QRS complex * Corrected QT interval (QTcF). The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2

  17. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of serum chemistry (enzymes)

    Results of serum chemistry: alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), lactate dehydrogenase (LDH). The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  18. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of serum chemistry

    Results of serum chemistry: total bilirubin, creatinine, urea, fasting glucose. The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  19. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of serum chemistry

    Results of serum chemistry: total protein, C-reactive protein. The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  20. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of complete blood count (hemoglobin)

    Results of complete blood count: hemoglobin The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  21. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of complete blood count (hematocrit)

    Results of complete blood count: hematocrit. The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  22. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of complete blood count (erythrocytes)

    Results of complete blood count: erythrocytes. The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  23. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of complete blood count

    Results of complete blood count: platelets, leukocytes and leukocyte formula (neutrophils, lymphocytes, monocytes, eosinophils, basophils (absolute number). The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  24. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of complete blood count (erythrocyte sedimentation rate)

    Results of complete blood count: erythrocyte sedimentation rate The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  25. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of coagulogram

    Results of coagulogram: activated partial thromboplastin time, prothrombin time. The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  26. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of coagulogram (fibrinogen)

    Results of coagulogram: fibrinogen. The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  27. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of clinical urinalysis (relative density)

    Results of clinical urinalysis: relative density. The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  28. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of clinical urinalysis (pH)

    Results of clinical urinalysis: pH. The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  29. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of clinical urinalysis

    Results of clinical urinalysis: leukocytes, erythrocytes, cylinders . The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  30. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of clinical urinalysis (protein)

    Results of clinical urinalysis: protein . The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  31. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of clinical urinalysis (glucose)

    Results of clinical urinalysis:glucose . The researcher evaluates each of the parameter in the normal / abnormal categories. Clinically significant abnormalities should be reported as adverse events.

    Time frame: Day -7-1 (Screening), Day 2, Day 28

  32. To evaluate safety of the vaccine Ad5-nCoV by its effect on results of determination of immunoglobulin E serum concentrations.

    Results of determination of immunoglobulin E serum concentrations.

    Time frame: Day -7-1 (Screening), Day 28

07

Study locations

7 sites
  • Municipal budgetary institution "Central City Hospital No. 7"
    Ekaterinburg, 620137, Russian Federation
  • Federal budgetary institution of science "Central Research Institute of Epidemiology" of the Federal Service for Surveillance on Consumer Rights Protectionand Human Welfare
    Moscow, 111123, Russian Federation
  • State Budgetary Institution of Healthcare of the City of Moscow "City Polyclinic No. 2of the Department of Healthcare of the City of Moscow"
    Moscow, 117556, Russian Federation
  • Federal State Autonomous Educational Institution of Higher Education "First MoscowState Medical University named after I.M. Sechenov "of the Ministry of Health of the Russian Federation
    Moscow, 119991, Russian Federation
  • Limited Liability Company "Research Center Eco-safety"
    Saint Petersburg, 196143, Russian Federation
  • Federal State Budgetary Institution "Research Institute of Influenza named after A.A.Smorodintsev "of the Ministry of Health of the Russian Federation
    Saint Petersburg, 197376, Russian Federation
  • Private health care institution "Clinical hospital 'Russian Railways - Medicine' of the city of Yaroslavl"
    Yaroslavl, 150030, Russian Federation
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 23, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT04540419
Lead sponsor
NPO Petrovax
Collaborators
CanSino Biologics Inc.
Responsible party
Sponsor
First posted
Sep 7, 2020
Start date
Sep 11, 2020
Primary completion
Jun 19, 2021
Completion
Jul 30, 2021
Last update
Apr 23, 2024

Oversight

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

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