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Antibodies to COVID vaccine

Antibody response to coronavirus disease 2019 (COVID-19) vaccine in healthcare workers of a multi-specialty hospital - ARC

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2021/02/031123
Enrollment
1000
Registered
2021-02-09
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: Antibody measurement: Measurement of antibody levels in those who are getting vaccinated with COVID vaccine at a dose of 0.5 ml, Intramuscular on deltoid Intervention2: Not applicable:

Sponsors

Kolkata Gastroenterologists association
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: All the healthcare workers who are getting vaccinated with COVID19 Vaccine (COVISHIELD)

Exclusion criteria

Exclusion criteria: Pregnant and lactating mothers

Design outcomes

Primary

MeasureTime frame
Geometrical mean antibody levels measured at day 0, day 30 and day 60 of COVID-19 vaccinationTimepoint: Day 0, 30, 60

Secondary

MeasureTime frame
Difference in antibody response to COVID-19 vaccine among the healthcare workers who have recovered from the disease in comparison to those who were never COVID RT PCR positive. Comparison of antibody response to natural infection and those acquired by the vaccine. Timepoint: 6 months

Countries

India

Contacts

Public ContactShivaraj Afzalpurkar

Apollo Gleneagles hospital

drshivaraj62@gmail.com07038578275

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026