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Study to check the safety and immune response of a COVID-19 vaccine in healthy Indian adults.

A Phase 2/3, Observer-Blind, Randomized, Controlled Study to Determine the Safety and Immunogenicity of Covishield (COVID-19 Vaccine) in Healthy Indian Adults - ICMR/SII-COVISHIELD

Status
Active, not recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2020/08/027170
Enrollment
1600
Registered
2020-08-15
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Intervention1: Covishield (SII-ChAdOx1 nCoV-19): Covishield will be administered as 2 dose schedule on Days 1 and 29 as 0.5 ml dose intramuscularly. Control Intervention1: Oxford/AZ-ChAdOx1 nCoV-19 va

Sponsors

Serum Institute of India Private Limited
Lead Sponsor
Indian Council of Medical Research ICMR
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: 1. Healthy adults aged more than or equal to 18 years of either sex. 2. Written informed consent by participants. 3. The participant is resident of the study area and is willing to comply with study protocol requirements. 4. Healthy, as determined by medical history and physical examination. 5. Female participants of childbearing potential must have a negative urine pregnancy test within 24 hours prior to study vaccine administration.

Exclusion criteria

Exclusion criteria: 1. Acute illness with or without fever at the time of study vaccine administration 2. History of laboratory confirmed COVID-19 disease in household contact or close workplace contact 3. IgG seropositivity to SARS-CoV-2 4. History or currently positive for SARS-CoV-2 by RT-PCR 5. History of severe allergic reactions after previous vaccinations or hypersensitivity to any component of study vaccines 6. Any confirmed or suspected condition with impaired/altered function of immune system

Design outcomes

Primary

MeasureTime frame
1. Occurrence of causally related SAEs throughout the study duration following vaccination 2. Ratio of GMTs of anti-S IgG antibodiesTimepoint: 1. Throughout the study duration following vaccination 2. 28 days after the second vaccination

Secondary

MeasureTime frame
Occurrence of serious adverse events (SAEs)Timepoint: Throughout the study duration following vaccination;Occurrence of solicited local and/or systemic adverse events (AEs)Timepoint: 7 days following each vaccination;Occurrence of unsolicited adverse eventsTimepoint: 28 days following each vaccination

Countries

India

Contacts

Public ContactDr Prasad Kulkarni

Serum Institute of India Private Limited

drpsk@seruminstitute.com00912026602949

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 20, 2026