# Canadian Multicenter Observational Study of Tysabri in Early Relapsing Remitting Multiple Sclerosis Participants

> **NCT01706107** · — · TERMINATED · sponsor: **Biogen** · enrollment: 73 (actual)

## Conditions studied

- Relapsing-Remitting Multiple Sclerosis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01706107
- **Lead sponsor:** Biogen
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2012-11-07
- **Primary completion:** 2015-10-02
- **Final completion:** 2015-10-02
- **Target enrollment:** 73 (ACTUAL)
- **Why stopped:** Due to on-going enrollment challenges
- **Last updated:** 2024-06-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01706107

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01706107, "Canadian Multicenter Observational Study of Tysabri in Early Relapsing Remitting Multiple Sclerosis Participants". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01706107. Licensed CC0.

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