MS trials that never reported results

Finished trials with no published result. When results are never reported, the people who took part are not answered and the record of what works is skewed.

105 of 690 finished trials have no results that we could find, a total of 8,165 participants.

By phase

Phase 2

19%

Phase 3

11%

Phase 4

16%

By time since the trial ended

1 to 2 years ago

21%

2 to 5 years ago

17%

More than 5 years ago

15%

The largest of them

Trial	Phase	Status	Participants	Ended
MAESTRO-02	Phase 2, Phase 3	Terminated	546	Sept 2009
MAESTRO-03	Phase 3	Terminated	510	Jul 2009
Interferon beta, phase 3	Phase 2, Phase 3	Completed	399	Nov 2018
Trial, phase 3	Phase 3	Completed	397	Mar 2021
Trial, phase 3	Phase 3	Terminated	301	Jul 2023
Trial, phase 2	Phase 2	Completed	271	Jul 2020
NOR-MS	Phase 3	Completed	267	Aug 2024
Arbaclofen placarbil, phase 3	Phase 3	Completed	228	Feb 2013
Int131, phase 2	Phase 2	Completed	228	Dec 2016
MINDSET01	Phase 2, Phase 3	Completed	218	Sept 2009
EREVA	Phase 4	Completed	196	Feb 2022
ENLIGHTEN	Phase 3	Terminated	188	May 2025
Abili-T	Phase 2	Completed	183	Oct 2016
VISTA	Phase 2	Completed	182	Jul 2025
MATRIX	Phase 4	Completed	180	Oct 2011
Trial, phase 2	Phase 2	Terminated	173	Dec 2011
Arbaclofen, phase 3	Phase 3	Completed	150	Dec 2014
Trial, phase 2	Phase 2	Completed	150	Mar 2008
Spasticity, phase 2	Phase 2	Terminated	150	Sept 2008
Amifampridine, phase 3	Phase 3	Completed	126	Jun 2008
SAFE	Phase 4	Completed	121	May 2022
Methylprednisolone hemisuccinate, phase 2	Phase 2	Completed	102	Dec 2023
MOTION - JAPAN	Phase 3	Completed	101	Oct 2015
Natalizumab, phase 4	Phase 4	Completed	100	Dec 2013
Procedure other, phase 2	Phase 1, Phase 2	Completed	100	Oct 2010

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