Efficacy and Safety Study of Narsoplimab in Pediatric Patients With High-Risk Hematopoietic Stem Cell Transplant TMA
Public ClinicalTrials.gov record NCT05855083. 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 2 Study Evaluating the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Narsoplimab in Pediatric Patients (28 Days to ≤ 18 Years of Age.) With High-Risk Hematopoietic Stem Cell Transplant Thrombotic Microangiopathy
Study identification
- NCT ID
- NCT05855083
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Omeros Corporation
- Industry
- Enrollment
- 18 participants
Conditions and interventions
Interventions
- Biological: narsoplimab Drug
Drug
Eligibility (public fields only)
- Age range
- 28 Days to 17 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 30, 2023
- Primary completion
- Nov 30, 2025
- Completion
- Nov 30, 2025
- Last update posted
- Mar 24, 2025
2023 – 2025
United States locations
- U.S. sites
- 8
- U.S. states
- 7
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Omeros Investigational Site | San Diego | California | 92024 | Recruiting |
| Omeros Investigational Site | Gainesville | Florida | 32608 | Not yet recruiting |
| Omeros Investigational Site | Boston | Massachusetts | 02215 | Not yet recruiting |
| Omeros Investigational Site | St Louis | Missouri | 63104 | Recruiting |
| Omeros Investigational Site | New York | New York | 10065 | Not yet recruiting |
| Omeros Investigational Site | Valhalla | New York | 10595 | Recruiting |
| Omeros Investigational Site | Houston | Texas | 77030 | Not yet recruiting |
| Omeros Investigational Site | Seattle | Washington | 98105 | Not yet recruiting |
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 8 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05855083, 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 Mar 24, 2025 · Synced Jun 25, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05855083 live on ClinicalTrials.gov.