# A Clinical Trial to Evaluate the Effect of Ulonivirine (MK-8507) on Heart Rhythm in Healthy Adults (MK-8507-012)

> **NCT07305831** · PHASE1 · COMPLETED · sponsor: **Merck Sharp & Dohme LLC** · enrollment: 62 (actual)

## Conditions studied

- Healthy

## Interventions

- **DRUG:** Ulonivirine
- **DRUG:** Moxifloxacin
- **DRUG:** Ulonivirine Placebo
- **DRUG:** Moxifloxacin Placebo

## Key facts

- **NCT ID:** NCT07305831
- **Lead sponsor:** Merck Sharp & Dohme LLC
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2026-01-22
- **Primary completion:** 2026-04-09
- **Final completion:** 2026-04-09
- **Target enrollment:** 62 (ACTUAL)
- **Last updated:** 2026-04-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07305831

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07305831, "A Clinical Trial to Evaluate the Effect of Ulonivirine (MK-8507) on Heart Rhythm in Healthy Adults (MK-8507-012)". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT07305831. Licensed CC0.

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