NCT04866069

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

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
50

participants targeted

Target at P50-P75 for phase_1 covid19

Timeline
Completed

Started Apr 2021

Shorter than P25 for phase_1 covid19

Geographic Reach
1 country

1 active site

Status
terminated

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

Completed
1 day until next milestone

First Submitted

Initial submission to the registry

April 26, 2021

Completed
3 days until next milestone

First Posted

Study publicly available on registry

April 29, 2021

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 5, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 5, 2021

Completed
Last Updated

April 18, 2023

Status Verified

April 1, 2023

Enrollment Period

4 months

First QC Date

April 26, 2021

Last Update Submit

April 17, 2023

Conditions

Keywords

SARS-CoV-2Adjuvanted inactivated vaccine

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)

EXPERIMENTAL

20 participants will receive 10 µg-3M inactivated virus + 1 mg Al(OH)3 + 300 µg CpGODN adjuvanted vaccine

Biological: SARS-CoV-2 vaccine

High-Dose Group (Group B)

EXPERIMENTAL

20 participants will receive 20 µg-6M inactivated virus + 1 mg Al(OH)3 + 300 µg CpGODN adjuvanted vaccine

Biological: SARS-CoV-2 vaccine

Placebo Group

PLACEBO COMPARATOR

10 participants will receive 1 ml of 0.9% sodium chloride (NaCl)

Biological: Placebo

Interventions

Adjuvanted inactivated vaccine

High-Dose Group (Group B)Low-Dose Group (Group A)
PlaceboBIOLOGICAL

0.9% NaCl

Placebo Group

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

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

Study Sites (1)

Ankara City Hospital Phase I Drug Research Center

Ankara, 06800, Turkey (Türkiye)

Location

MeSH Terms

Conditions

COVID-19

Interventions

COVID-19 Vaccines

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

Viral VaccinesVaccinesBiological ProductsComplex Mixtures

Study Officials

  • Oguz Akbas, MD

    MonitorCRO

    STUDY DIRECTOR

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

Locations