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Efficacy, Immunogenicity and Safety of Inactivated ERUCOV-VAC Compared With Placebo in COVID-19

Primary Purpose

COVID-19

Status
Completed
Phase
Phase 2
Locations
Turkey
Study Type
Interventional
Intervention
ERUCOV-VAC 3 µg/0.5 ml Vaccine
ERUCOV-VAC 6 µg/0.5 ml Vaccine
Placebo
Sponsored by
Health Institutes of Turkey
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional prevention trial for COVID-19 focused on measuring COVID-19, Vaccine, Inactive, Phase 2

Eligibility Criteria

18 Years - 64 Years (Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria:

  • healthy Caucasian origin
  • accepting not to participate in another COVID-19 vaccine study until the end of the study
  • volunteers who do not plan to get a child in the next one year; the volunteer and the partner should use a reliable form of contraception (abstinence, condom, birth control implant, birth control pills used or IUD used by the partner) during the study for at least 1 year
  • female participants of childbearing potential (defined as any female who has experienced menarche and who is NOT surgically sterile [ie, hysterectomy, bilateral tubal ligation, or bilateral oophorectomy] or postmenopausal [defined as amenorrhea at least 12 consecutive months) must agree to be heterosexually inactive through 12 months after the first vaccination OR agree to consistently use any of the described methods of contraception from through 12 months after the first vaccination.
  • male subjects agree to refrain from sperm donation from the time of first vaccination until 3 months after last vaccination
  • participants must refrain from blood or plasma donation from the time of first vaccination until 3 months after last vaccination
  • the outcome of the following examinations should be clinically insignificant: medical and surgical history (hypo-, hypertension, allergy, other diseases, major surgery, micturition, defecation, sleep, illness within the last 4 weeks prior to the start of the trial);
  • life style and habits (consumption of alcohol, nicotine, coffee, tea, coke, special diet, drug abuse) should be normal/acceptable
  • body temperature, pulse rate, blood pressure and respiratory rate should be normal/acceptable.
  • laboratory examination (blood/serum examination: sodium, potassium, calcium, total protein, albumin, glucose, creatinine, BUN, total bilirubin, AST, ALT, GGT, ALP, haemoglobin, haematocrit, erythrocytes, Ieukocytes, platelet count; HBsAg, HIV-Ab, HCV-Ab should be normal/acceptable.
  • antiSARS CoV 2 total antibody (including COVID-19 IgG and/or IgM) negative in serum.
  • body weight in relation to height and age accepted BMI range 18.5 and 32 kg/m2 - both inclusive

Exclusion Criteria:

  • women with a positive blood (β-HCG) pregnancy test
  • lactating women
  • history of COVID-19 infection or showing COVID-19 infection symptoms
  • having had contact to people with known COVID-19 infection in the last 14 days
  • having fever (> 37.4oC in the last 24 hours), dry cough or feeling tired and having aches and pains, nasal congestion, runny nose, sore throat and diarrhea.
  • positive real time RT-PCR COVID-19 test.
  • leukemia or neoplasm in history.
  • persons with autoimmune diseases
  • allergic diathesis or any clinically significant allergic disease (i.e. asthma)
  • any condition that might impair the immune response
  • recent or current immunosuppressive medication
  • any other vaccine application 30 days before the first dose
  • presence or a history of clinically significant cardiovascular, renal, hepatic, pulmonary, metabolic, endocrine, haematological, gastrointestinal, neurological, psychiatric or other major diseases;
  • disruption of platelets or other blood clotting disorders, which may cause contraindications to intramuscular administration
  • clinically significant illness within 4 weeks before the start of the study. Especially any acute or chronic illness seizures.
  • any regular intake or administration of any prescribed systemic or topical medication within 2 weeks prior to the start of the study; in the case of intake or administration of any prescribed systemic or topical medication within 4 weeks before the start of the study because of an insignificant illness, this should be stated in the CRF.
  • intake or administration of OTC medication (including herbal remedies) which may have an effect on the study according to the investigator within 2 weeks prior to the start of the study
  • volunteers who received antiviral drugs, immunoglobulins or blood transfusions or any other investigational drug within 4 weeks prior to the first study product administration
  • concomitant intake or administration of any systemic or topical drugs (including herbal remedies) on the application days
  • treatment with any investigational drug (i.e., drug not yet approved) in the last 4 weeks before beginning of the trial
  • medication with drugs known to alter organs or systems such as barbiturates, phenothiazines, cimetidine, omeprazole etc. within the last 1 month (4 weeks)
  • donation of blood or plasma more than 450 ml within the last 2 months (8 weeks) or any amount within the last month (4 weeks)
  • supine blood pressure, after resting for 5 min, higher than 140/90 or lower than 100/60 mmHg
  • supine pulse rate, after resting for 5 min, outside the range of 50 - 100 beats/min
  • supine respiratory rate, after resting for 5 min, outside the range of 15 - 18 breathings / min
  • laboratory values (appendix 5) outside normal range with clinical relevance at entry examination
  • alcohol abuse i.e. regular use of more than 2 units of alcohol per day or a history of alcoholism or drug/chemical abuse (one unit of alcohol equals ½ l of beer, 200 ml wine or 50 ml of spirits) or recovered alcoholics
  • caffeine abuse i.e. regular use of more than 750 mg/day caffeine
  • alcoholic or methylxanthine-containing beverages or foods (coffee, tea, coke, chocolate) and fruit-juice from 24 hours prior to each application
  • smoking of more than 10 cigarettes or equivalent per day, no smoking before application
  • vegetarian or any special diet due to any reason
  • knowledge to have any type of parenterally transmitted hepatitis or carrier of the HBsAg (HBsAg test positive)
  • HIV-Ab test positive
  • Test on anti-HCV antibodies positive
  • legal incapacity and/or other circumstances rendering the subject unable to understand the nature, scope and possible consequences of the study
  • evidence of an uncooperative attitude.

Sites / Locations

  • Erciyes University

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm Type

Experimental

Experimental

Placebo Comparator

Arm Label

3 mcg/0.5 ml Vaccine

6 mcg/0.5 ml Vaccine

Placebo

Arm Description

Low dose vaccine

Medium dose vaccine

Placebo

Outcomes

Primary Outcome Measures

Serum IgG antibody levels specific for the SARS-CoV- 2 rS protein antigen(s)
Neutralizing antibodies from microneutralization assay
Blood levels of cytokines: TNF-α, IFN-γ, IL-2, IL-4, IL-5 and IL-6

Secondary Outcome Measures

Adverse events

Full Information

First Posted
March 25, 2021
Last Updated
August 1, 2023
Sponsor
Health Institutes of Turkey
Collaborators
TC Erciyes University
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1. Study Identification

Unique Protocol Identification Number
NCT04824391
Brief Title
Efficacy, Immunogenicity and Safety of Inactivated ERUCOV-VAC Compared With Placebo in COVID-19
Official Title
Phase 2 Study for the Determination of Efficacy, Immunogenicity and Safety of Two Different Strengths of the Inactivated COVID-19 Vaccine ERUCOV-VAC, in a Placebo Controlled, Randomized, Double Blind Study Design.
Study Type
Interventional

2. Study Status

Record Verification Date
February 2023
Overall Recruitment Status
Completed
Study Start Date
February 10, 2021 (Actual)
Primary Completion Date
March 11, 2022 (Actual)
Study Completion Date
March 30, 2022 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Health Institutes of Turkey
Collaborators
TC Erciyes University

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes

5. Study Description

Brief Summary
The objective is to determine the efficacy, immunogenicity and safety of two different strengths (3 µg and 6 µg) of an inactivated COVID 19 Vaccine compared to placebo so that to demonstrate the efficacy and safety in prophylaxis of COVID-19. A 3rd application will be performed to approximately the half of the volunteers who were administered 3 μg/0.5 ml and who accept to be vaccinated for a 3rd time, on their month 4 visit.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
COVID-19
Keywords
COVID-19, Vaccine, Inactive, Phase 2

7. Study Design

Primary Purpose
Prevention
Study Phase
Phase 2
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigator
Allocation
Randomized
Enrollment
250 (Actual)

8. Arms, Groups, and Interventions

Arm Title
3 mcg/0.5 ml Vaccine
Arm Type
Experimental
Arm Description
Low dose vaccine
Arm Title
6 mcg/0.5 ml Vaccine
Arm Type
Experimental
Arm Description
Medium dose vaccine
Arm Title
Placebo
Arm Type
Placebo Comparator
Arm Description
Placebo
Intervention Type
Biological
Intervention Name(s)
ERUCOV-VAC 3 µg/0.5 ml Vaccine
Intervention Description
Two IM applications on Days 1 and 28
Intervention Type
Biological
Intervention Name(s)
ERUCOV-VAC 6 µg/0.5 ml Vaccine
Intervention Description
Two IM applications on Days 1 and 28
Intervention Type
Other
Intervention Name(s)
Placebo
Intervention Description
Two IM applications on Days 1 and 28
Primary Outcome Measure Information:
Title
Serum IgG antibody levels specific for the SARS-CoV- 2 rS protein antigen(s)
Time Frame
12 months
Title
Neutralizing antibodies from microneutralization assay
Time Frame
12 months
Title
Blood levels of cytokines: TNF-α, IFN-γ, IL-2, IL-4, IL-5 and IL-6
Time Frame
12 months
Secondary Outcome Measure Information:
Title
Adverse events
Time Frame
12 months

10. Eligibility

Sex
All
Gender Based
Yes
Gender Eligibility Description
Non-pregnant women
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
64 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: healthy Caucasian origin accepting not to participate in another COVID-19 vaccine study until the end of the study volunteers who do not plan to get a child in the next one year; the volunteer and the partner should use a reliable form of contraception (abstinence, condom, birth control implant, birth control pills used or IUD used by the partner) during the study for at least 1 year female participants of childbearing potential (defined as any female who has experienced menarche and who is NOT surgically sterile [ie, hysterectomy, bilateral tubal ligation, or bilateral oophorectomy] or postmenopausal [defined as amenorrhea at least 12 consecutive months) must agree to be heterosexually inactive through 12 months after the first vaccination OR agree to consistently use any of the described methods of contraception from through 12 months after the first vaccination. male subjects agree to refrain from sperm donation from the time of first vaccination until 3 months after last vaccination participants must refrain from blood or plasma donation from the time of first vaccination until 3 months after last vaccination the outcome of the following examinations should be clinically insignificant: medical and surgical history (hypo-, hypertension, allergy, other diseases, major surgery, micturition, defecation, sleep, illness within the last 4 weeks prior to the start of the trial); life style and habits (consumption of alcohol, nicotine, coffee, tea, coke, special diet, drug abuse) should be normal/acceptable body temperature, pulse rate, blood pressure and respiratory rate should be normal/acceptable. laboratory examination (blood/serum examination: sodium, potassium, calcium, total protein, albumin, glucose, creatinine, BUN, total bilirubin, AST, ALT, GGT, ALP, haemoglobin, haematocrit, erythrocytes, Ieukocytes, platelet count; HBsAg, HIV-Ab, HCV-Ab should be normal/acceptable. antiSARS CoV 2 total antibody (including COVID-19 IgG and/or IgM) negative in serum. body weight in relation to height and age accepted BMI range 18.5 and 32 kg/m2 - both inclusive Exclusion Criteria: women with a positive blood (β-HCG) pregnancy test lactating women history of COVID-19 infection or showing COVID-19 infection symptoms having had contact to people with known COVID-19 infection in the last 14 days having fever (> 37.4oC in the last 24 hours), dry cough or feeling tired and having aches and pains, nasal congestion, runny nose, sore throat and diarrhea. positive real time RT-PCR COVID-19 test. leukemia or neoplasm in history. persons with autoimmune diseases allergic diathesis or any clinically significant allergic disease (i.e. asthma) any condition that might impair the immune response recent or current immunosuppressive medication any other vaccine application 30 days before the first dose presence or a history of clinically significant cardiovascular, renal, hepatic, pulmonary, metabolic, endocrine, haematological, gastrointestinal, neurological, psychiatric or other major diseases; disruption of platelets or other blood clotting disorders, which may cause contraindications to intramuscular administration clinically significant illness within 4 weeks before the start of the study. Especially any acute or chronic illness seizures. any regular intake or administration of any prescribed systemic or topical medication within 2 weeks prior to the start of the study; in the case of intake or administration of any prescribed systemic or topical medication within 4 weeks before the start of the study because of an insignificant illness, this should be stated in the CRF. intake or administration of OTC medication (including herbal remedies) which may have an effect on the study according to the investigator within 2 weeks prior to the start of the study volunteers who received antiviral drugs, immunoglobulins or blood transfusions or any other investigational drug within 4 weeks prior to the first study product administration concomitant intake or administration of any systemic or topical drugs (including herbal remedies) on the application days treatment with any investigational drug (i.e., drug not yet approved) in the last 4 weeks before beginning of the trial medication with drugs known to alter organs or systems such as barbiturates, phenothiazines, cimetidine, omeprazole etc. within the last 1 month (4 weeks) donation of blood or plasma more than 450 ml within the last 2 months (8 weeks) or any amount within the last month (4 weeks) supine blood pressure, after resting for 5 min, higher than 140/90 or lower than 100/60 mmHg supine pulse rate, after resting for 5 min, outside the range of 50 - 100 beats/min supine respiratory rate, after resting for 5 min, outside the range of 15 - 18 breathings / min laboratory values (appendix 5) outside normal range with clinical relevance at entry examination alcohol abuse i.e. regular use of more than 2 units of alcohol per day or a history of alcoholism or drug/chemical abuse (one unit of alcohol equals ½ l of beer, 200 ml wine or 50 ml of spirits) or recovered alcoholics caffeine abuse i.e. regular use of more than 750 mg/day caffeine alcoholic or methylxanthine-containing beverages or foods (coffee, tea, coke, chocolate) and fruit-juice from 24 hours prior to each application smoking of more than 10 cigarettes or equivalent per day, no smoking before application vegetarian or any special diet due to any reason knowledge to have any type of parenterally transmitted hepatitis or carrier of the HBsAg (HBsAg test positive) HIV-Ab test positive Test on anti-HCV antibodies positive legal incapacity and/or other circumstances rendering the subject unable to understand the nature, scope and possible consequences of the study evidence of an uncooperative attitude.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Zafer Sezer, Assoc.Prof.
Organizational Affiliation
Co-Investigator
Official's Role
Study Director
Facility Information:
Facility Name
Erciyes University
City
Kayseri
ZIP/Postal Code
38039
Country
Turkey

12. IPD Sharing Statement

Plan to Share IPD
No
Citations:
PubMed Identifier
36460536
Citation
Ozdarendeli A, Sezer Z, Pavel STI, Inal A, Yetiskin H, Kaplan B, Uygut MA, Bayram A, Mazicioglu M, Unuvar GK, Yuce ZT, Aydin G, Aslan AF, Kaya RK, Koc RC, Ates I, Kara A. Safety and immunogenicity of an inactivated whole virion SARS-CoV-2 vaccine, TURKOVAC, in healthy adults: Interim results from randomised, double-blind, placebo-controlled phase 1 and 2 trials. Vaccine. 2023 Jan 9;41(2):380-390. doi: 10.1016/j.vaccine.2022.10.093. Epub 2022 Nov 22.
Results Reference
result
Links:
URL
https://doi.org/10.1016/j.vaccine.2022.10.093
Description
Paper

Learn more about this trial

Efficacy, Immunogenicity and Safety of Inactivated ERUCOV-VAC Compared With Placebo in COVID-19

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