CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 1,075 enrolled
Drug / intervention
BNT162b2biological
Likely dose
BNT162b2 0.3 mLfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04880447
NCT04880447N/ACompleted

Special Investigation of COMIRNATY Intramuscular Injection (Investigation of Patients With Underlying Disease Considered to be at High Risk of Aggravation of COVID-19)

Pfizer·observational·Posted May 10, 2021·Updated Jun 21, 2024

In Brief

An observational study evaluating BNT162b2 for COVID-19. Completed, enrolled 1,075 participants across 1 site.

Detailed Summary

Post-marketing study, Cohort study of COMIRNATY vaccines. To collect information on adverse events and COVID-19 observed after vaccination with COMIRNATY and to assess safety in patients with underlying disease considered to be at high risk of aggravation of COVID-19 who have received vaccination with this product under actual use conditions.

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsCOVID-19
CountriesJapan
Collaborators--

Timeline

N/ACompletedFinished
20222023202420252026
First PostedMay 10, 2021
Enrollment StartMay 26, 2021
Primary CompletionApr 14, 2022
TodayJul 2, 2026
Enrollment to primary: 11 monthsPosted 5.1 years ago

Interventions

BNT162b2biological

COMIRNATY is administered intramuscularly after dilution as a course of 2 doses (0.3 mL each). It is recommended to administer the second dose 3 weeks after the first dose.