# Chemo-immunotherapy Plus Thoracic Radiotherapy in Extensive Stage Small-cell Lung Cancer

> **NCT05223647** · PHASE3 · TERMINATED · sponsor: **Norwegian University of Science and Technology** · enrollment: 239 (actual)

## Conditions studied

- Small-cell Lung Cancer

## Interventions

- **PROCEDURE:** Thoracic radiotherapy
- **DRUG:** Chemo-immunotherapy

## Key facts

- **NCT ID:** NCT05223647
- **Lead sponsor:** Norwegian University of Science and Technology
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2022-01-11
- **Primary completion:** 2025-09-04
- **Final completion:** 2025-09-04
- **Target enrollment:** 239 (ACTUAL)
- **Why stopped:** Termination was adviced by Data Safety Committee due to excess toxicity of the experimental treatment.
- **Last updated:** 2026-01-28

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05223647

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05223647, "Chemo-immunotherapy Plus Thoracic Radiotherapy in Extensive Stage Small-cell Lung Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05223647. Licensed CC0.

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