# Study to Evaluate the Effect of UGT Inhibition by Valproic Acid on the Pharmacokinetics of BIIB074

> **NCT03385525** · PHASE1 · COMPLETED · sponsor: **Biogen** · enrollment: 30 (actual)

## Conditions studied

- Drug Interaction

## Interventions

- **DRUG:** BIIB074
- **DRUG:** Valproic Acid

## Key facts

- **NCT ID:** NCT03385525
- **Lead sponsor:** Biogen
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-09-12
- **Primary completion:** 2017-10-13
- **Final completion:** 2017-10-13
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2018-04-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03385525

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03385525, "Study to Evaluate the Effect of UGT Inhibition by Valproic Acid on the Pharmacokinetics of BIIB074". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03385525. Licensed CC0.

---

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