ATHN 2: Factor Switching Study
Public ClinicalTrials.gov record NCT02546622. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Longitudinal, Observational Study of Previously Treated Hemophilia Patients Switching Factor Replacement Products
Study identification
- NCT ID
- NCT02546622
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- American Thrombosis and Hemostasis Network
- Network
- Enrollment
- 310 participants
Conditions and interventions
Conditions
Interventions
- Factor VIII Replacement Products for Hemophilia which were FDA approved after January 1, 2013 Biological
- Factor IX Replacement Products for Hemophilia which were FDA approved after January 1, 2013 Biological
Biological
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 31, 2015
- Primary completion
- Jun 29, 2020
- Completion
- Jun 29, 2020
- Last update posted
- Dec 8, 2021
2015 – 2020
United States locations
- U.S. sites
- 27
- U.S. states
- 22
- U.S. cities
- 26
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California San Diego (UCSD) | San Diego | California | 92122 | — |
| University of Colorado Denver Hemophilia and Thrombosis Center | Aurora | Colorado | 80045 | — |
| Yale Hemophilia Treatment Center | New Haven | Connecticut | 06520 | — |
| Children's National Medical Center | Washington D.C. | District of Columbia | 20010 | — |
| Johns Hopkins All Children's Hospital | St. Petersburg | Florida | 33701 | — |
| St. Joseph's Children's Hospital | Tampa | Florida | 33607 | — |
| Children's Healthcare of Atlanta/Emory | Atlanta | Georgia | 30322 | — |
| Bleeding and Clotting Disorders Institute | Peoria | Illinois | 61615 | — |
| Indiana Hemophilia and Thrombosis Center (IHTC) | Indianapolis | Indiana | 46260 | — |
| Louisiana Center for Bleeding and Clotting Disorders | New Orleans | Louisiana | 70112 | — |
| Maine Hemophilia and Thrombosis Center | Scarborough | Maine | 04074 | — |
| Johns Hopkins University Medical Center | Baltimore | Maryland | 21205 | — |
| Boston Hemophilia Center at Children's Hospital of Boston | Boston | Massachusetts | 02115 | — |
| University of Michigan Hemophilia and Coagulation Disorders Program | Ann Arbor | Michigan | 48109 | — |
| Michigan State University Center for Bleeding and Clotting Disorders | East Lansing | Michigan | 48823 | — |
| Children's Mercy Hospital | Kansas City | Missouri | 64108 | — |
| Dartmouth-Hitchcock Comprehensive Hemophilia and Thrombosis Center | Lebanon | New Hampshire | 03756 | — |
| Weill Cornell Medicine | New York | New York | 10065 | — |
| Mary M. Gooley Hemophilia Center | Rochester | New York | 14621 | — |
| Oregon Health and Science University | Portland | Oregon | 97239 | — |
| Children's Hospital of Philadelphia (CHOP) | Philadelphia | Pennsylvania | 19104 | — |
| Pennsylvania Comprehensive Hemophilia and Thrombophilia Program / Hospital of the University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
| The Hemophilia Center of Western Pennsylvania | Pittsburgh | Pennsylvania | 15213 | — |
| St Jude Children's Research Hospital | Memphis | Tennessee | 38105 | — |
| UTSW Medical Center at Dallas/Children's Medical Center | Dallas | Texas | 75235 | — |
| Washington Center for Bleeding Disorders Bloodworks Northwest d/b/a Puget Sound Blood Center | Seattle | Washington | 98104 | — |
| Blood Center of Wisconsin | Milwaukee | Wisconsin | 53201 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02546622, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 8, 2021 · Synced Jun 25, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02546622 live on ClinicalTrials.gov.