Clinical trials
Observational Multiple Sclerosis trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
296 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2002 | 3 |
| 2003 | 3 |
| 2004 | 5 |
| 2005 | 3 |
| 2006 | 9 |
| 2007 | 10 |
| 2008 | 8 |
| 2009 | 5 |
| 2010 | 11 |
| 2011 | 13 |
| 2012 | 16 |
| 2013 | 17 |
| 2014 | 17 |
| 2015 | 12 |
| 2016 | 8 |
| 2017 | 14 |
| 2018 | 11 |
| 2019 | 16 |
| 2020 | 19 |
| 2021 | 29 |
| 2022 | 11 |
| 2023 | 17 |
| 2024 | 14 |
| 2025 | 9 |
| 2026 | 9 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 178 |
| Recruiting | 40 |
| Terminated | 22 |
| Unknown status | 20 |
| Active, not recruiting | 13 |
| Withdrawn | 12 |
| Enrolling by invitation | 6 |
| Suspended | 3 |
| Not yet recruiting | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Biogen | 25 |
| Novartis Pharmaceuticals | 19 |
| National Institute of Neurological Disorders and Stroke (NINDS) | 11 |
| University at Buffalo | 10 |
| NYU Langone Health | 7 |
| Brigham and Women's Hospital | 6 |
| EMD Serono | 6 |
| Providence Health & Services | 5 |
| University of California, San Francisco | 5 |
| University of Southern California | 5 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Multiple Sclerosis | 296 |
| Multiple Sclerosis, Relapsing-Remitting | 28 |
| Parkinson Disease | 16 |
| Amyotrophic Lateral Sclerosis | 12 |
| Crohn Disease | 10 |
| Multiple Sclerosis, Chronic Progressive | 10 |
| Spinal Cord Injuries | 10 |
| Alzheimer Disease | 9 |
| Psoriasis | 9 |
| Stroke | 9 |
Trials
Showing 1 to 25 of 296. Each trial links to its page on Pharma Observatory.
196 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.