# Pregnancy Exposure Registry for Avonex (Interferon Beta-1a)

> **NCT00168714** · — · COMPLETED · sponsor: **Biogen** · enrollment: 329 (actual)

## Conditions studied

- Prenatal Exposure Delayed Effects
- Multiple Sclerosis
- Pregnancy

## Interventions

- **DRUG:** BG9418 (interferon beta-1a)

## Key facts

- **NCT ID:** NCT00168714
- **Lead sponsor:** Biogen
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2004-02
- **Primary completion:** 2011-09
- **Final completion:** 2011-09
- **Target enrollment:** 329 (ACTUAL)
- **Last updated:** 2014-06-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00168714

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00168714, "Pregnancy Exposure Registry for Avonex (Interferon Beta-1a)". Retrieved via AI Analytics 2026-08-20 from https://api.ai-analytics.org/clinical/NCT00168714. Licensed CC0.

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