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Reactogenicity, Safety and Immunogenicity of QazCoVac-P COVID-19 Vaccine

Phase 1
Completed
Conditions
Covid19
Vaccine Adverse Reaction
SARS-CoV Infection
Interventions
Biological: QazCoVac-P -COVID-19 Subunit Vaccine
Other: Placebo
Registration Number
NCT04930003
Lead Sponsor
Research Institute for Biological Safety Problems
Brief Summary

Randomized, Blind, Placebo-controlled Phase- I Study and Randomized, Open Phase Phase-II Study of QazCoVac-P - COVID-19 Subunit Vaccine in Healthy Adult Volunteers From 18 Years Old and Elder

Detailed Description

Purpose of the Phase-I clinical study Evaluation of the safety, acceptability and immunogenicity of QazCoVac-P - COVID-19 Subunit vaccine when administered twice in healthy volunteers aged 18-50 years.

Purpose of the Phase-II clinical study Evaluation of the safety and immunogenicity of QazCoVac-P - COVID-19 Subunit vaccine with single and dual use in healthy volunteers aged 18 and above

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
244
Inclusion Criteria
  • Availability of signed and dated informed consent of the volunteer to
  • participate in the study
  • Healthy male and female volunteers aged 18-50 and 50 and above.
  • Ability and voluntary desire to independently keep records in the SelfObservation Diary, as well as to carry out all the repeated visits provided for in the study for control medical observation.
  • The voluntary desire of females to use methods of reliable contraception throughout the entire period of their participation in the study.
  • Negative results for IgM and IgG antibodies to SARS-CoV-2.
  • Absence of COVID-19 diagnosis in history.
  • Absence in the last 14 days of close contact with persons suspected of being infected with SARS-CoV-2, or persons whose diagnosis of COVID-19 has been confirmed with laboratory.
  • Negative test results for human immunodeficiency virus (HIV), hepatitis B and hepatitis C.
  • Negative PCR results for coronavirus SARS-CoV-2
  • According to the results of a chest x-ray, there is no pathological process in the lungs.
Exclusion Criteria
  • Aggravated allergic history, drug intolerance, including hypersensitivity to any of the components of the study drug, as well as a history of serious adverse events during vaccine administration (such as allergic reactions, respiratory failure, angioedema, abdominal pain).
  • Acute illness with a fever (body temperature ≥37.1°C) at the time of screening/randomization.
  • Chronic alcohol and/or drug use in history.
  • Clinically significant deviations from normal values during laboratory and/or imaging at screening.
  • Women with a positive urine pregnancy test.
  • Simultaneous treatment with immunosuppressive drugs, including corticosteroids (2 weeks) 4 weeks prior to study drug administration.
  • Acute or chronic clinically significant lesions of the lungs, cardiovascular system, gastrointestinal tract, liver, blood system, skin, endocrine, neurological and psychiatric diseases or impaired renal function (asthma, diabetes, thyroid disease, arrhythmia, myocardial infarction, severe hypertension not controlled by drugs, etc.), identified based on medical history, physical examination or clinical laboratory tests that, according to the researcher, may affect the study result.
  • Disruption of platelets or other blood clotting disorders, which may cause contraindications to intramuscular administration.
  • Leukemia or neoplasm in history.
  • Persons with autoimmune diseases.
  • Volunteers who received antiviral drugs, immunoglobulin's or blood transfusions or any other investigational drug within 4 weeks prior to study drug administration;
  • Volunteers who received anti-inflammatory drugs 2 days before study drug
  • administration;
  • Participation in any other clinical research within the last 3 months;
  • Volunteers with a concern that they will not comply with the study requirements, or persons with severe physical or mental disabilities that may affect the completion of the study;
  • Negative PCR results for coronavirus SARS-CoV-2;
  • According to the results of a chest x-ray, there is no pathological process in the lungs;
  • Voluntary refusal to study;
  • Vulnerable Volunteers of research.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Phase 2 Elderly-Vaccine, twice vaccination (An Open study)QazCoVac-P -COVID-19 Subunit VaccineGroup 4 (phase 2): 50 volunteers from 50 years old and elder who will be the QazCoVac-P - COVID-19 twice spaced 21 days apart, intramuscularly, at a dose of 0.5 ml
Experimental: Phase 1 Adult-vaccine (A Sample, blind study)QazCoVac-P -COVID-19 Subunit VaccineGroup 1 (phase 1): 22 volunteers aged 18-50 years who will be the QazCoVac-P - COVID-19 twice spaced 21 days apart, intramuscularly, at a dose of 0.5 ml
Phase 1 Adult-Placebo (A Sample, blind study)PlaceboGroup 2 (phase 1): 22 volunteers aged 18-50 years who will be the Placebo twice spaced 21 days apart, intramuscularly, at a dose of 0.5 ml
Phase 2 Adult-Vaccine, single vaccination (An Open study)QazCoVac-P -COVID-19 Subunit VaccineGroup 5 (phase 2): 50 volunteers aged 18-50 years who will be the QazCoVac-P - COVID-19 single vaccination, intramuscularly, at a dose of 0.5 ml
Phase 2 Adult-Vaccine, twice vaccination (An Open study)QazCoVac-P -COVID-19 Subunit VaccineGroup 3 (phase 2): 50 volunteers aged 18-50 years who will be the QazCoVac-P - COVID-19 twice spaced 21 days apart, intramuscularly, at a dose of 0.5 ml
Phase 2 Elderly-Vaccine, single vaccination (An Open study)QazCoVac-P -COVID-19 Subunit VaccineGroup 6 (phase 2): 50 volunteers from 50 years old and elder who will be the QazCoVac-P - COVID-19 single vaccination, intramuscularly, at a dose of 0.5 ml
Primary Outcome Measures
NameTimeMethod
Frequency of adverse events up to seven days after immunizationSeven days after each immunization

Frequency of adverse reaction in the seven days following each immunization per age group

Frequency of adverse events up to 21 days after immunization21 days after each immunization

Frequency of adverse reaction in the 21 days following each immunization per age group

The proportion of volunteers with increased levels of the immune response of specific neutralizing antibody titers in ELISA following the vaccination, compared with a placeboat days 0, 21, 27, 42, 90, 180

The proportion of volunteers with changed levels of the immune response of specific neutralizing antibody titers in ELISA greater than ≥ 4 times compared with a placebo.

Secondary Outcome Measures
NameTimeMethod
Incidence of serious adverse events during the studythroughout the study, an average of 42 days

Incidence of serious adverse events during the study.

Trial Locations

Locations (1)

Research Institute for Biological Safety Problems Committee of Science of the Ministry of Education and Science of the Republic of Kazakhstan

🇰🇿

Gvardeyskiy, Jambul, Kazakhstan

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