ClinicalTrials.gov record
ATHN Transcends: A Natural History Study of Non-Neoplastic Hematologic Disorders
ClinicalTrials.gov ID: NCT04398628
Public ClinicalTrials.gov record NCT04398628. 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.
ClinicalTrials.gov public records Last synced May 5, 2026, 7:26 PM EDT
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
ATHN Transcends: A Natural History Cohort Study of the Safety, Effectiveness, and Practice of Treatment in People With Non-Neoplastic Hematologic Disorders
Study identification
- NCT ID
- NCT04398628
- Recruitment status
- Recruiting
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- American Thrombosis and Hemostasis Network
- Network
- Enrollment
- 3,000 participants
Conditions and interventions
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
- Sep 29, 2020
- Primary completion
- May 31, 2035
- Completion
- Nov 30, 2035
- Last update posted
- Jan 11, 2026
2020 – 2035
United States locations
- U.S. sites
- 71
- U.S. states
- 30
- U.S. cities
- 62
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Arizona Hemophilia and Thrombosis Treatment Center at Phoenix Children's Hospital | Phoenix | Arizona | 85016 | Recruiting |
| Arkansas Center for Bleeding Disorders | Little Rock | Arkansas | 72202 | Recruiting |
| Orthopaedic Institute for Children HTC | Los Angeles | California | 90007 | Recruiting |
| Childrens Hospital Los Angeles | Los Angeles | California | 90027-6016 | Recruiting |
| UCSF Benioff Children's Hospital Oakland | Oakland | California | 94610 | Recruiting |
| University of California at Davis Hemophilia Treatment Center | Sacramento | California | 95817 | Recruiting |
| Loma Linda Hemoglobinopathy and Inherited Bleeding Disorder Program | San Bernardino | California | 92408 | Recruiting |
| Hemophilia & Thrombosis Treatment Center at UC San Diego Health | San Diego | California | 92121 | Recruiting |
| Rady Children's Hospital San Diego | San Diego | California | 92123 | Recruiting |
| University of California, San Francisco Hemophilia & Thrombosis Center | San Francisco | California | 94143 | Recruiting |
| Connecticut Children's Medical Center | Hartford | Connecticut | 06106 | Recruiting |
| Yale Hemophilia Treatment Center | New Haven | Connecticut | 06520 | Recruiting |
| Delaware Hemophilia Treatment Center | Wilmington | Delaware | 19801 | Recruiting |
| Georgetown University | Washington D.C. | District of Columbia | 20007 | Recruiting |
| Children's National Hemophilia Center | Washington D.C. | District of Columbia | 20010 | Recruiting |
| University of Florida Hemophilia Treatment Center | Gainesville | Florida | 32610 | Recruiting |
| University of Miami Comprehensive Hemophilia Treatment Center | Miami | Florida | 33136 | Recruiting |
| Arnold Palmer Hospital for Children - The Haley Center for Children's Cancer and Blood Disorders | Orlando | Florida | 32806 | Not yet recruiting |
| Johns Hopkins All Children's Hospital | St. Petersburg | Florida | 33701 | Recruiting |
| St. Joseph's Hospital Center for Bleeding & Clotting Disorders | Tampa | Florida | 33607 | Recruiting |
| Comprehensive Bleeding Disorders Center at Emory University and Children's Healthcare of Atlanta | Atlanta | Georgia | 30308 | Recruiting |
| Emory/Children's Health Care of Atlanta | Atlanta | Georgia | 30322 | Recruiting |
| Memorial Health University Medical Center | Savannah | Georgia | 31403 | Recruiting |
| Rush University Medical Center | Chicago | Illinois | 60612 | Recruiting |
| Bleeding and Clotting Disorders Institute | Peoria | Illinois | 61664 | Recruiting |
| Indiana Hemophilia and Thrombosis Center | Indianapolis | Indiana | 46260 | Recruiting |
| Iowa Hemophilia and Thrombosis Center | Iowa City | Iowa | 52242 | Recruiting |
| Louisiana Center for Bleeding and Clotting Disorders, Tulane University | New Orleans | Louisiana | 70112 | Recruiting |
| Maine Hemophilia and Thrombosis Center | Scarborough | Maine | 04074 | Recruiting |
| Johns Hopkins University Hemophilia Treatment Center | Baltimore | Maryland | 21287 | Recruiting |
| Massachusetts General Hospital Comprehensive Hemophilia and Thrombosis Treatment Center | Boston | Massachusetts | 02114 | Not yet recruiting |
| Central Michigan Children's Hospital of Michigan | Detroit | Michigan | 48201 | Recruiting |
| Henry Ford Health System Bleeding and Thrombosis Treatment Center | Detroit | Michigan | 48202 | Recruiting |
| Mayo Comprehensive Hemophilia Center | Rochester | Minnesota | 55905 | Recruiting |
| Children's Mercy Hospital - Kansas City | Kansas City | Missouri | 64108 | Recruiting |
| The John Bouhasin Center for Children with Bleeding Disorders | St Louis | Missouri | 63104 | Recruiting |
| Cure 4 The Kids Foundation | Las Vegas | Nevada | 89135 | Recruiting |
| Hemostasis and Thrombosis Center of Nevada | Reno | Nevada | 89509 | Recruiting |
| Newark Beth Israel Medical Center - Hemophilia Center | Newark | New Jersey | 07122 | Recruiting |
| University of New Mexico Ted R. Montoya Hemophilia & Thrombosis Program | Albuquerque | New Mexico | 87131 | Recruiting |
| Western New York BloodCare | Buffalo | New York | 14202 | Recruiting |
| Northwell Health Hemostasis and Thrombosis Center at Long Island Jewish and Cohen Children's Medical Center | Hyde Park | New York | 11040 | Recruiting |
| Weill Cornell Medical College - New York Presbyterian Hospital | New York | New York | 10065 | Recruiting |
| American Thrombosis and Hemostasis Network | Rochester | New York | 14626 | Recruiting |
| Montefiore Medical Center | The Bronx | New York | 10461 | Recruiting |
| Comprehensive Hemophilia Treatment Center, University of North Carolina at Chapel Hill | Chapel Hill | North Carolina | 27517 | Recruiting |
| St. Jude Affiliate Clinic at Novant Health Hemby Children's Hospital | Charlotte | North Carolina | 28204 | Recruiting |
| East Carolina University Hemophilia Treatment Center | Greenville | North Carolina | 27834 | Recruiting |
| Wake Forest University Health Sciences | Winston-Salem | North Carolina | 27157 | Recruiting |
| Akron Children's Hospital - Showers Center for Cancer & Blood Disorders | Akron | Ohio | 44308 | Recruiting |
| Cincinnati Children's Hospital Medical Center, Hemophilia & Thrombosis Center | Cincinnati | Ohio | 45229 | Recruiting |
| University of Cincinnati Medical Center Hemophilia Treatment Center | Cincinnati | Ohio | 45267 | Recruiting |
| University Hospitals Health System Cleveland | Cleveland | Ohio | 44106 | Recruiting |
| Nationwide Children's Hospital Columbus | Columbus | Ohio | 43205 | Recruiting |
| Dayton Children's Hemostasis and Thrombosis Center | Dayton | Ohio | 45404 | Recruiting |
| Northwest Ohio Hemophilia Treatment Center at the Toledo Hospital | Toledo | Ohio | 43606 | Recruiting |
| Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | 19104 | Recruiting |
| Penn Comprehensive Hemophilia and Thrombophilia Program/Hospital of the University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | Recruiting |
| Hemophilia Center of Western Pennsylvania | Pittsburgh | Pennsylvania | 15213 | Recruiting |
| Rhode Island Hospital Hemostasis and Thrombosis Center | Providence | Rhode Island | 02903 | Recruiting |
| St. Jude Children's Research Hospital | Memphis | Tennessee | 38105 | Recruiting |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37212 | Recruiting |
| Children's Blood and Cancer Center of Central Texas | Austin | Texas | 78723 | Recruiting |
| North Texas Hemophilia and Thrombosis Program - Pediatric Program / Center for Cancer & Blood Disorders | Dallas | Texas | 75235 | Recruiting |
| North Texas Comprehensive Hemophilia Treatment Center | Dallas | Texas | 75390 | Recruiting |
| Gulf States Hemophilia and Thrombophilia Center | Houston | Texas | 77030 | Recruiting |
| Texas Children's Hemophilia & Thrombosis Center/Baylor College of Medicine | Houston | Texas | 77030 | Recruiting |
| South Texas Comprehensive Hemophilia and Thrombophilia Treatment Center | San Antonio | Texas | 78229 | Recruiting |
| Washington Center for Bleeding Disorders | Seattle | Washington | 98101 | Recruiting |
| Hemophilia Outreach Center Green Bay | Green Bay | Wisconsin | 54311 | Recruiting |
| Comprehensive Center for Bleeding Disorders | Milwaukee | Wisconsin | 53226 | Recruiting |
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 NCT04398628, 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 Jan 11, 2026 · Synced May 5, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04398628 live on ClinicalTrials.gov.