# Study of a Single Dose of a 21-valent Pneumococcal Conjugate Vaccine in Children and Adolescents With Sickle Cell Disease

> **NCT07247188** · PHASE3 · RECRUITING · sponsor: **Sanofi** · enrollment: 100 (estimated)

## Conditions studied

- Sickle Cell Disease

## Interventions

- **BIOLOGICAL:** PCV21
- **BIOLOGICAL:** 20vPCV

## Key facts

- **NCT ID:** NCT07247188
- **Lead sponsor:** Sanofi
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2026-01-20
- **Primary completion:** 2027-01-07
- **Final completion:** 2027-01-07
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2026-04-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07247188

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07247188, "Study of a Single Dose of a 21-valent Pneumococcal Conjugate Vaccine in Children and Adolescents With Sickle Cell Disease". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT07247188. Licensed CC0.

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