# A Study to Learn About the Safety of BIIB142 and How it is Processed in the Body of Healthy Adult Participants Aged 18 to 55 Years Old

> **NCT07133828** · PHASE1 · RECRUITING · sponsor: **Biogen** · enrollment: 78 (estimated)

## Conditions studied

- Healthy Volunteer

## Interventions

- **DRUG:** BIIB142
- **DRUG:** BIIB142-Matching Placebo

## Key facts

- **NCT ID:** NCT07133828
- **Lead sponsor:** Biogen
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-08-29
- **Primary completion:** 2026-08-06
- **Final completion:** 2026-08-06
- **Target enrollment:** 78 (ESTIMATED)
- **Last updated:** 2026-05-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07133828

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07133828, "A Study to Learn About the Safety of BIIB142 and How it is Processed in the Body of Healthy Adult Participants Aged 18 to 55 Years Old". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT07133828. Licensed CC0.

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