Clinical trials
Observational Hemophilia A trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
303 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 4 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 5 |
| 2009 | 10 |
| 2010 | 7 |
| 2011 | 9 |
| 2012 | 8 |
| 2013 | 6 |
| 2014 | 19 |
| 2015 | 24 |
| 2016 | 18 |
| 2017 | 13 |
| 2018 | 21 |
| 2019 | 13 |
| 2020 | 23 |
| 2021 | 18 |
| 2022 | 14 |
| 2023 | 15 |
| 2024 | 23 |
| 2025 | 16 |
| 2026 | 19 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 167 |
| Unknown status | 50 |
| Recruiting | 34 |
| Not yet recruiting | 14 |
| Active, not recruiting | 12 |
| Terminated | 11 |
| Enrolling by invitation | 8 |
| Withdrawn | 6 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Bayer | 26 |
| Novo Nordisk A/S | 24 |
| Pfizer | 10 |
| Baxalta now part of Shire | 8 |
| Investigación en Hemofilia y Fisioterapia | 8 |
| Hospices Civils de Lyon | 7 |
| American Thrombosis and Hemostasis Network | 6 |
| Nantes University Hospital | 6 |
| Swedish Orphan Biovitrum | 6 |
| Takeda | 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 |
|---|---|
| Hemophilia A | 303 |
| Hemophilia B | 72 |
| Joint Diseases | 16 |
| Hematologic Diseases | 13 |
| Hemostatic Disorders | 12 |
| von Willebrand Diseases | 9 |
| Blood Coagulation Disorders | 7 |
| Coagulation Protein Disorders | 7 |
| Genetic Diseases, Inborn | 7 |
| Thrombosis | 7 |
Trials
Showing 1 to 25 of 303. Each trial links to its page on Pharma Observatory.
203 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.
No changes to these trials in the last 7 days.
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