A Study of TAK-755 in Participants With Congenital Thrombotic Thrombocytopenic Purpura
Public ClinicalTrials.gov record NCT04683003. 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 Phase 3b, Prospective, Open-label, Multicenter, Single Treatment Arm, Continuation Study of the Safety and Efficacy of TAK-755 (rADAMTS13, Also Known as BAX 930/SHP655) in the Prophylactic and On-demand Treatment of Subjects With Severe Congenital Thrombotic Thrombocytopenic Purpura (cTTP; Upshaw-Schulman Syndrome, or Hereditary Thrombotic Thrombocytopenic Purpura)
Study identification
- NCT ID
- NCT04683003
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Takeda
- Industry
- Enrollment
- 77 participants
Conditions and interventions
Conditions
Interventions
- TAK-755 Biological
Biological
Eligibility (public fields only)
- Age range
- 0 Years to 70 Years
- 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
- Apr 13, 2021
- Primary completion
- Mar 15, 2027
- Completion
- Mar 15, 2027
- Last update posted
- Apr 1, 2026
2021 – 2027
United States locations
- U.S. sites
- 5
- U.S. states
- 5
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Childrens Healthcare of Atlanta | Atlanta | Georgia | 30322 | — |
| Roswell Park Comprehensive Cancer Center | Buffalo | New York | 14203 | — |
| Duke University Medical Center | Durham | North Carolina | 27705 | — |
| Mid Ohio Heart Clinic Inc | Dublin | Ohio | 43017 | — |
| University of Oklahoma | Oklahoma City | Oklahoma | 73104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 22 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04683003, 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 Apr 1, 2026 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04683003 live on ClinicalTrials.gov.