# Pregnancy Exposure Registry for Vumerity (Diroximel Fumarate)

> **NCT05658497** · — · RECRUITING · sponsor: **Biogen** · enrollment: 908 (estimated)

## Conditions studied

- Multiple Sclerosis

## Interventions

- **DRUG:** Diroximel Fumarate
- **DRUG:** Avonex
- **BIOLOGICAL:** Tysabri
- **DRUG:** Dimethyl Fumarate

## Key facts

- **NCT ID:** NCT05658497
- **Lead sponsor:** Biogen
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2023-10-27
- **Primary completion:** 2032-07-06
- **Final completion:** 2032-07-06
- **Target enrollment:** 908 (ESTIMATED)
- **Last updated:** 2025-08-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05658497

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05658497, "Pregnancy Exposure Registry for Vumerity (Diroximel Fumarate)". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT05658497. Licensed CC0.

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