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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05046548
Other study ID # VKI-I / II-08/20
Secondary ID
Status Completed
Phase Phase 1/Phase 2
First received
Last updated
Start date October 3, 2020
Est. completion date October 1, 2021

Study information

Verified date November 2021
Source Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Randomized, double-blind, placebo controlled, multi-center clinical trials of the tolerability, safety and immunogenicity of the inactivated whole-virion concentrated purified vaccine against COVID-19, manufactured by FSBSI "Chumakov FSC R&D IBP RAS", on adult volunteers aged 18-60" (Clinical trials, phase I/II). Study purpose is to assess the tolerability, safety and immunogenicity of the inactivated whole-virion concentrated purified coronavirus vaccine sorbed on adult volunteers aged 18-60.


Description:

The study is divided into 3 stages. At Stages I and II of the study, a maximum of 300 healthy volunteers aged 18 to 60 years should be screened, of which 200 volunteers meeting the inclusion criteria and not non-inclusion criteria, should be included and randomized to study the tolerability and safety of the vaccine. Stage I includes 15 men and women: Group 1 - 10 volunteers who will receive the Vaccine twice with an interval of 14 days intramuscularly in a dose of 0.5 ml with a post-vaccination observation period of 28 days. Group 2 - 5 volunteers who will receive placebo twice with an interval of 14 days intramuscularly at a dose of 0.5 ml with a post-vaccination observation period of 28 days. Stage II includes 185 volunteers: Group 1 - 140 volunteers who will receive the Vaccine twice with an interval of 14 days intramuscularly in a dose of 0.5 ml with a post-vaccination observation period of 28 days. Group 2 - 45 volunteers who received placebo twice with an interval of 14 days intramuscularly in a dose of 0.5 ml with a post-vaccination observation period of 28 days. Stage III of the study, a maximum of 300 volunteers should be screened, of which 200 volunteers, meeting the inclusion criteria and not non-inclusion criteria, should be included and randomized to study the safety and immunogenicity of the vaccine. Group 3 - 150 volunteers who will receive the vaccine twice with an interval of 14 days intramuscularly in a dose of 0.5 ml with a period of post-vaccination observation for 6 months. Group 4 - 50 volunteers who will receive placebo twice with an interval of 14 days intramuscularly in a dose of 0.5 ml with a post-vaccination observation period of 6 months.


Recruitment information / eligibility

Status Completed
Enrollment 400
Est. completion date October 1, 2021
Est. primary completion date October 15, 2020
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 60 Years
Eligibility Inclusion criteria: Volunteers must meet the following inclusion criteria: - Healthy volunteers (men and women) aged 18-60; - Written informed consent of volunteers to participate in a clinical trial; - Volunteers who are able to comply with the requirements of the Protocol (i.e. filling out the Self-Observation Diary, come to control visits); - For women capable of childbearing, a negative pregnancy test and consent to adhere to adequate contraceptive methods (use of contraceptives within six months after the second vaccination). Women should use contraceptive methods that are more than 90% reliable (cervical caps with spermicide, diaphragms with spermicide, condoms, intrauterine devices), or be sterile or postmenopausal. - For fertile men, consent to adhere to adequate contraceptive methods for six months after the second vaccination. Men and their sexual partners must use contraceptive methods with more than 90% reliability (cervical caps with spermicide, diaphragms with spermicide, condoms, intrauterine devices), or be sterile. Non-inclusion criteria: Volunteers cannot be included in the study if any of the following criteria are met: - Medical staff of clinics and polyclinics; - A history of severe acute respiratory syndrome (SARS) or Middle East respiratory syndrome (MERS) or other coronavirus infection (HCoV-229E, HCoV-OC43, HCoV-NL63, HCoV-HKU1); - History of contacts with confirmed or suspected cases of SARS-CoV-2 infection within 1 month; - Positive IgM or IgG to SARS-CoV-2, found at screening (for volunteers of Phases I and II); - Positive PCR test for SARS-CoV-2 at screening; - Clinically and/or laboratory (according to PCR) confirmed disease with SARS-CoV-2 coronavirus at the current time or in history; - Serious post-vaccination reaction (temperature above 40 C, hyperemia or edema more than 8 cm in diameter) or complication (collapse or shock-like state that developed within 48 hours after vaccination; convulsions, accompanied or not accompanied by a febrile state) to any previous vaccination in history; - Aggravated allergic history (anaphylactic shock, Quincke's edema, polymorphic exudative eczema, atopy, history of serum sickness, history of hypersensitivity or allergic reactions to the administration of any vaccines, known allergic reactions to vaccine components, etc.); - History of Guillain-Barré syndrome (acute polyradiculitis); - Previous vaccination with rabies vaccines less than 2 months before immunization or planned vaccination with rabies vaccines within 1 month after immunization with investigational vaccines; - Vaccination with any other vaccine within 1 month preceding vaccination; - A history of leukemia, tuberculosis, cancer, autoimmune diseases; - Positive blood test for HIV, syphilis, hepatitis B/C; - Volunteers who received immunoglobulin preparations or blood transfusions within the last 3 months prior to the start of the study based on the history; - Long-term use (more than 14 days) of immunosuppressants or other immunomodulatory drugs during the six months preceding the study, according to the history; - Any history of any confirmed or suspected immunosuppressive or immunodeficient condition; - Chronic diseases of the cardiovascular, bronchopulmonary, neuroendocrine systems, gastrointestinal tract, liver, kidneys, hematopoietic, immune systems, mental illness in exacerbation stage or decompensation stage (recovery earlier than 4 weeks before vaccination) in history; - Disorder of blood clotting, a tendency to thrombosis in the anamnesis; - Progressive neurological pathology, a history of convulsive syndrome; - Diabetes mellitus, hyperthyroidism or other endocrine diseases in history; - Treatment with glucocorticosteroids, including low doses, as well as topical use of drugs containing steroids (> 10 mg prednisolone, or an equivalent, for more than 14 days in the last three months); - According to the anamnesis, the volunteer was/is registered in a tuberculosis dispensary and/or a narcological dispensary and/or a neuropsychiatric dispensary and/or others; - Acute infectious diseases (recovery earlier than 4 weeks before vaccination) according to the history; - Taking more than 10 units of alcohol per week or anamnestic information about alcoholism, drug addiction, or drug abuse; - Smoking more than 10 cigarettes a day; - Participation in any other clinical study within the last 3 months; - Pregnancy or breastfeeding; - Axillary temperature at the time of vaccination is more than 37.0 °C; - Body mass index less than 18 or more than 28 kg/m2; - Serious concomitant diseases or pathological conditions not listed above, which, according to the investigator, could complicate the evaluation of the study results, including pathological deviations from the age norms and laboratory norms of blood and urine parameters, clinically significant, according to the investigator. Exclusion criteria: - Withdrawal of informed consent by a volunteer; - Serious adverse events or adverse events that do not meet the criteria for severity, the development of which, in the opinion of the investigator, may be detrimental to the health or well-being of the volunteer; - The need for procedures and/or drug treatment not permitted by the Study Protocol; - The volunteer was included in violation of the inclusion/non-inclusion criteria of the Protocol; - The emergence of non-inclusion criteria during the study; - The need for surgical intervention; - Any condition in a volunteer requiring, in the reasonable opinion of the investigating physician, the withdrawal of the volunteer from the study; - The volunteer refuses to cooperate or is undisciplined (for example, not showing up for a planned visit without warning the investigator and/or losing contact with the volunteer), or has dropped out of observation; - For administrative reasons (termination of the study by the Sponsor or regulatory authorities), as well as for gross violations of the protocol that could affect the study results.

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Vaccine for intramuscular injection
Volunteers (10 at the Stage 1; 140 at the Stage 2; 150 at the Stage 3) will receive the vaccine twice spaced 14 days apart, intramuscularly, at a dose of 0.5 ml
Other:
Placebo comparator (without active ingredient) for intramuscular injection
Volunteers (5 at the Stage 1; 45 at the Stage 2; 50 at the Stage 3) will receive the vaccine twice spaced 14 days apart, intramuscularly, at a dose of 0.5 ml

Locations

Country Name City State
Russian Federation Federal State Budgetary Educational Institution of Higher Education Kirov State Medical University of the Ministry of Health of Russia Kirov
Russian Federation FSBSI Chumakov FSC R&D IBP RAS Moscow
Russian Federation FGBUZ MSCh No. 163 FMBA of Russia Novosibirsk
Russian Federation Eco-Safety Scientific Research Center LLC Sankt Peterburg
Russian Federation Center for Family Medicine Joint Stock Company (CSM JSC) Yekaterinburg

Sponsors (1)

Lead Sponsor Collaborator
Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products

Country where clinical trial is conducted

Russian Federation, 

Outcome

Type Measure Description Time frame Safety issue
Primary Geometric mean titer (GMT) The percentage of volunteers with an increase in geometric mean titer of specific antibodies (GMT) on day 28 after the second dose of vaccine / placebo in the virus neutralization test and ELISA. 28 days after second vaccination / placebo
Secondary Geometric mean titer (GMT) Percentage of volunteers with a fourfold (or more) level of seroconversion in the neutralization test and ELISA on days 7 and 14 after the first dose of vaccine / placebo; on day 7, day 14, day 28, 2 months, 3 months, 4 months, 5 months, 6 months after the second dose of vaccine / placebo. 7 and 14 days after the first vaccination / placebo
Secondary Seroconversion rate [Time frame: 7 and 14 days after first vaccination / placebo] Seroconversion rate on day 7, day 14, day 28, 2 months, 3 months, 4 months, 5 months, 6 months after second vaccination / placebo. Percentage of volunteers with a fourfold (or more) level of seroconversion in the neutralization reaction and the ELISA reaction on days 7 and 14 after the first dose of vaccine / placebo; on day 7, day 14, day 28, 2 months, 3 months, 4 months, 5 months,
Secondary Level of ?-IFN and subpopulation composition of T-lymphocytes Levels of ?-IFN and subpopulation composition of T-lymphocytes on days 7 and 14 after the administration of the first dose of vaccine / placebo; on day 7, day 14, day 28, 2 months, 3 months, 4 months, 5 months, 6 months, after the second dose of vaccine / placebo. 7 and 14 days after the first vaccination / placebo
Secondary Cases of acute respiratory diseases (influenza, acute respiratory infections, COVID-19) The frequency of acute respiratory infections (influenza, acute respiratory infections, COVID-19) within six months after the second dose of vaccine / placebo. Within 6 months after the second vaccination / placebo
Secondary Cases of acute respiratory diseases (influenza, acute respiratory infections, COVID-19) The severity of acute respiratory infections (influenza, acute respiratory infections, COVID-19) within six months after the second dose of vaccine / placebo. Within 6 months after the second vaccination / placebo
Secondary Cases of acute respiratory diseases (influenza, acute respiratory infections, COVID-19) The duration of acute respiratory infections (influenza, acute respiratory infections, COVID-19) within six months after the second dose of vaccine / placebo. Within 6 months after the second vaccination / placebo
Secondary Frequency and severity of adverse events The incidence and severity of adverse events throughout the study period after the first dose of vaccine / placebo Within 6 months after the first dose of vaccine / placebo
Secondary Assessment of adverse events The incidence of adverse events during the study within 6 months after the first dose of vaccine / placebo
Secondary Evaluation of clinically significant abnormalities in vital signs The incidence of clinically significant deviations from the main indicators of vital functions. within 6 months after the first dose frame of vaccine / placebo
Secondary Evaluation of clinically significant deviations from laboratory parameters The incidence of clinically significant deviations from the laboratory parameters. 3, 7, 10 and 14 days after the first vaccination; 4, 7, 14 and 28 days after the second vaccination
Secondary Cases of early termination of participation of volunteers in the study Cases of early termination of the volunteer's use in suggesting the development of AE / SAE associated with the use of study drugs. within 6 months after the introduction of the first dose of vaccine / placebo
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