Effects of Tysabri (BG00002) Over 12 Months on MS Related Fatigue in Participants With RRMS (TYNERGY)
A Multi-centre and Prospective Trial to Evaluate the Effects on Multiple Sclerosis Related Fatigue During Treatment With Tysabri in Patients With Relapsing Remitting Multiple Sclerosis Over the Course of 12 Months
Sponsor: Biogen
This observational or N/A phase trial investigates Fatigue and Relapsing-Remitting Multiple Sclerosis and is currently completed. Biogen leads this study, which shows 9 recorded versions since 2009 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Status Flow
Change History
9 versions recorded-
Sep 2025 — Present [monthly]
Completed
-
Sep 2024 — Sep 2025 [monthly]
Completed
-
Jul 2024 — Sep 2024 [monthly]
Completed
-
Jan 2021 — Jul 2024 [monthly]
Completed
-
Dec 2018 — Jan 2021 [monthly]
Completed
▶ Show 4 earlier versions
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Jun 2018 — Dec 2018 [monthly]
Completed
-
Apr 2018 — Jun 2018 [monthly]
Completed
Phase: NA → None
-
Feb 2017 — Apr 2018 [monthly]
Completed NA
-
Jan 2017 — Feb 2017 [monthly]
Completed NA
First recorded
Mar 2009
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Biogen
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
Aarhus, Denmark , Bergen, Norway , Bodø, Norway , Copenhagen, Denmark , Danderyd, Sweden , Drammen, Norway , Førde, Norway , Gothenburg, Sweden , Graz, Austria , Helsingborg, Sweden and 17 more locations