# Response and Toxicity Prediction by Microbiome Analysis After (Concurrent) Chemoradiotherapy

> **NCT04711330** · — · ACTIVE_NOT_RECRUITING · sponsor: **Leiden University Medical Center** · enrollment: 126 (estimated)

## Conditions studied

- Non Small Cell Lung Cancer Stage III
- Immunotherapy

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04711330
- **Lead sponsor:** Leiden University Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-09-01
- **Primary completion:** 2025-10-01
- **Final completion:** 2025-10-02
- **Target enrollment:** 126 (ESTIMATED)
- **Last updated:** 2025-10-06

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04711330

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04711330, "Response and Toxicity Prediction by Microbiome Analysis After (Concurrent) Chemoradiotherapy". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04711330. Licensed CC0.

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