Study Stopped
Although cellular responses to virus were satisfactory, neutralizing titres against virus were lower then expected levels
Study of a Severe Acute Respiratory Syndrome-Coronavirus-2 (SARS-CoV-2) Adjuvanted Inactivated Vaccine in Healthy Adults
COVID-19
Phase I Study Evaluating the Safety and Efficacy of the Protective Adjuvanted Inactivated Vaccine Developed Against SARS-CoV-2 in Healthy Participants, Administered as Two Injections Subcutaneously in Two Different Dosages.
1 other identifier
interventional
50
1 country
1
Brief Summary
This phase I study is designed as double-blinded, randomised, placebo controlled, three-armed study composed of two different dose arms of protective adjuvanted inactivated vaccine against SARS-CoV-2 in dose escalations (first low dose group, followed by high dose group) and placebo arm.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1 covid19
Started Apr 2021
Shorter than P25 for phase_1 covid19
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 25, 2021
CompletedFirst Submitted
Initial submission to the registry
April 26, 2021
CompletedFirst Posted
Study publicly available on registry
April 29, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 5, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
September 5, 2021
CompletedApril 18, 2023
April 1, 2023
4 months
April 26, 2021
April 17, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Acute adverse events (AEs)
Frequency of acute adverse events in all dosage groups
24 hours
Solicited local and systemic adverse events (AEs)
Frequency of local and systemic AEs in all dosage groups
15 days
Unsolicited local and systemic adverse events (AEs)
Frequency of local and systemic AEs in all dosage groups
28 days
Secondary Outcomes (2)
Neutralizing antibody response
Before first dose administration, on Day 21-28-35 and Month 3 and Month 6 after first dose administration.
Cellular immune response
Before first dose administration, on Day 21-28-35 and Month 3 and Month 6 after first dose administration.
Study Arms (3)
Low-Dose Group (Group A)
EXPERIMENTAL20 participants will receive 10 µg-3M inactivated virus + 1 mg Al(OH)3 + 300 µg CpGODN adjuvanted vaccine
High-Dose Group (Group B)
EXPERIMENTAL20 participants will receive 20 µg-6M inactivated virus + 1 mg Al(OH)3 + 300 µg CpGODN adjuvanted vaccine
Placebo Group
PLACEBO COMPARATOR10 participants will receive 1 ml of 0.9% sodium chloride (NaCl)
Interventions
Adjuvanted inactivated vaccine
Eligibility Criteria
You may qualify if:
- To be eligible for the study, each participant must satisfy all the following criteria:
- Healthy participants between 18-45 years of age,
- Sign an informed consent document,
- Negative immunoglobulin G (IgG) and immunoglobulin M (IgM) antibody for COVID-19,
- Negative quantitative polymerase chain reaction (qPCR) SARS-CoV-2 results of nasopharyngeal/sputum samples,
- Able to comply with the study protocol during the study period,
- Negative tests for Human Immunodeficiency Virus (HIV), Hepatitis B Virus (HBV), Hepatitis C Virus (HCV),
- Body temperature \<37.2 C and no signs of active infection,
- Body mass index 18-35 kg/m2,
- Normal laboratory levels of whole blood count, alanine transaminase (ALT), aspartate transaminase (AST), total bilirubin, urea, creatinine, and fasting blood glucose, or abnormal finding detected in any laboratory parameter which is not greater than Grade 1 according to the investigator's evaluation,
- Good general health (no known disease in the history and physical examination within 14 days prior to the enrolment),
- Female and male participants who will be able to have appropriate contraception methods within 30 days prior to vaccine injection and within 6 months after vaccination,
You may not qualify if:
- Participants with any of the following criteria will be excluded:
- History of seizure, encephalopathy, or psychosis,
- History of allergic reactions to any known vaccine or to any component of the study vaccine,
- Pregnant, breastfeeding, or positive pregnancy test or planning to conceive within 6 months,
- History of SARS-CoV-2 infection,
- Severe cardiovascular disorders (arrhythmia, conduction disorders, history of myocardial infarction, uncontrolled hypertension),
- Severe chronic disorders (asthma, diabetes mellitus, thyroid disorders…etc),
- Congenital or acquired angioedema,
- Diagnosis of immunodeficiency,
- Diagnosis of bleeding diathesis,
- Use of immunosuppressive treatment, anti-allergic treatment, cytotoxic treatment, inhaler corticosteroids (allergic rhinitis or topical steroid ointments are excluded),
- Those who received blood and blood product transfusions in the last 6 months,
- Those on any vaccine program or experimental medication within 1 month prior to the study,
- History of any vaccination against SARS-CoV-2 within 1 month prior to the study,
- Use of active tuberculosis treatment,
- +3 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Osman ERGANIS, PhD, Proflead
- The Scientific and Technological Research Council of Turkeycollaborator
- VETAL Inc.collaborator
- MonitorCROcollaborator
Study Sites (1)
Ankara City Hospital Phase I Drug Research Center
Ankara, 06800, Turkey (Türkiye)
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Oguz Akbas, MD
MonitorCRO
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Masking Details
- Double-blinded
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- PhD, Prof
Study Record Dates
First Submitted
April 26, 2021
First Posted
April 29, 2021
Study Start
April 25, 2021
Primary Completion
September 5, 2021
Study Completion
September 5, 2021
Last Updated
April 18, 2023
Record last verified: 2023-04
Data Sharing
- IPD Sharing
- Will not share