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| Withdrawn | 6 |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 76 to 100 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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