Study identification

PURI

https://redirect.ema.europa.eu/resource/46811

EU PAS number

EUPAS38671

Study ID

46811

Official title and acronym

HERO-Together: A post-Emergency Use Authorization observational cohort study to evaluate the safety of the Pfizer-BioNTech COVID-19 vaccine in US healthcare workers, their families, and their communities

DARWIN EU® study

No

Study countries

United States

Study description

This study is a prospective observational study designed to evaluate the incidence rates of safety events of interest and other clinically significant events within a cohort of healthcare workers, their families, and their communities who receive the Pfizer-BioNTech COVID-19 vaccine under the EUA program in the United States. The study is a primary data collection study with review of medical records. Receipt of the vaccine is required for inclusion in the study, but the decision to be vaccinated is made at the discretion of the recipient. This study will aim to enroll and follow 20,000 vaccinated healthcare workers and members of their families or communities during a 30-month study period. Information on hospitalization and diagnosis of safety events of interest will be collected from participant self-report at regular intervals following vaccination, primarily using a secure web portal. Participant reports of safety events of interest and/or hospitalization trigger a request for and review of participant medical record information for adjudication of the event. To address the primary objective, incidence rates of safety events will be estimated based on cases confirmed by adjudication. To address the secondary objective regarding assessment of increased risk, a self-matched comparative analysis will be undertaken for feasible safety events (e.g. events with a known risk interval and sufficient case counts). Additional context for the rates observed in vaccinated individuals will be sought from population background rates.

Study status

Finalised
Research institutions and networks

Institutions

Pfizer
First published:
01/02/2024
Institution
Verily Life Sciences, CVS Health Clinical Trial Services

Contact details

Katie Kendrick

Primary lead investigator
Study timelines

Date when funding contract was signed

Planned:
Actual:

Study start date

Planned:
Actual:

Date of final study report

Planned:
Actual:
Sources of funding
Pharmaceutical company and other private sector 

More details on funding

Pfizer
Study protocol
Initial protocol
English (1.26 MB - PDF)View document
Updated protocol
English (648.39 KB - PDF)View document
Regulatory

Was the study required by a regulatory body?

No

Is the study required by a Risk Management Plan (RMP)?

Not applicable