# COVID-19 Vaccine Efficacy in Patients With Malignant Pathologies

> **NCT04776005** · — · UNKNOWN · sponsor: **Assistance Publique - Hôpitaux de Paris** · enrollment: 500 (estimated)

## Conditions studied

- Solid Tumor
- Hematologic Malignancy
- Thoracic Cancer
- Cancer, Treatment-Related
- Vaccine Response Impaired

## Interventions

- **OTHER:** Data collection

## Key facts

- **NCT ID:** NCT04776005
- **Lead sponsor:** Assistance Publique - Hôpitaux de Paris
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-01-22
- **Primary completion:** 2024-02
- **Final completion:** 2024-02
- **Target enrollment:** 500 (ESTIMATED)
- **Last updated:** 2024-01-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04776005

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04776005, "COVID-19 Vaccine Efficacy in Patients With Malignant Pathologies". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04776005. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*