# A Study in Healthy Men to Test How Bosentan Influences the Amount of Zongertinib in the Blood

> **NCT07649941** · PHASE1 · COMPLETED · sponsor: **Boehringer Ingelheim** · enrollment: 16 (actual)

## Conditions studied

- Healthy

## Interventions

- **DRUG:** Zongertinib
- **DRUG:** Bosentan

## Key facts

- **NCT ID:** NCT07649941
- **Lead sponsor:** Boehringer Ingelheim
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2026-06-22
- **Primary completion:** 2026-07-31
- **Final completion:** 2026-08-24
- **Target enrollment:** 16 (ACTUAL)
- **Last updated:** 2026-09-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07649941

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07649941, "A Study in Healthy Men to Test How Bosentan Influences the Amount of Zongertinib in the Blood". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07649941. Licensed CC0.

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