# Retrospective Observational Study on Prediction of Response to PD-1 Immunotherapy in Patients with NSCLC

> **NCT04886401** · — · RECRUITING · sponsor: **University Hospital, Brest** · enrollment: 50 (estimated)

## Conditions studied

- Advanced Non Small Cell Lung Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04886401
- **Lead sponsor:** University Hospital, Brest
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2021-04-16
- **Primary completion:** 2025-05-16
- **Final completion:** 2025-05-16
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2025-02-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04886401

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04886401, "Retrospective Observational Study on Prediction of Response to PD-1 Immunotherapy in Patients with NSCLC". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04886401. Licensed CC0.

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