# A Study to Learn About The COVID-19 (Study) Vaccine (Called COMIRNATY) in People That Are Less Than 21 Years Old.

> **NCT05295290** · PHASE4 · ACTIVE_NOT_RECRUITING · sponsor: **Pfizer** · enrollment: 319 (actual)

## Conditions studied

- Myocarditis

## Interventions

- **DIAGNOSTIC_TEST:** Cardiac Imaging

## Key facts

- **NCT ID:** NCT05295290
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-11-21
- **Primary completion:** 2029-04-02
- **Final completion:** 2029-04-02
- **Target enrollment:** 319 (ACTUAL)
- **Last updated:** 2026-05-07

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05295290

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05295290, "A Study to Learn About The COVID-19 (Study) Vaccine (Called COMIRNATY) in People That Are Less Than 21 Years Old.". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT05295290. Licensed CC0.

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