# Effects of Tysabri (BG00002) Over 12 Months on MS Related Fatigue in Participants With RRMS

> **NCT00884481** · — · COMPLETED · sponsor: **Biogen** · enrollment: 195 (actual)

## Conditions studied

- Relapsing-Remitting Multiple Sclerosis
- Fatigue

## Interventions

- **OTHER:** Natalizumab

## Key facts

- **NCT ID:** NCT00884481
- **Lead sponsor:** Biogen
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2009-03-23
- **Primary completion:** 2011-06-30
- **Final completion:** 2011-06-30
- **Target enrollment:** 195 (ACTUAL)
- **Last updated:** 2018-11-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00884481

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00884481, "Effects of Tysabri (BG00002) Over 12 Months on MS Related Fatigue in Participants With RRMS". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00884481. Licensed CC0.

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