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Safety and Efficacy of Eculizumab in High-risk TA-TMA

StatusRecruiting
PhasePhase 2
Started
View on ClinicalTrials.gov ↗

Record History

  1. Recruitment opened
    • Site details revised at 8 of 8 sites
    v2
  2. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
High-risk, complement-mediated, untreated transplant-associated thrombotic microangiopathy (hrTA-TMA) carries a very poor prognosis due to multiple organ dysfunction syndrome (MODS). The complement C5 inhibitor eculizumab has shown promising efficacy in children with hrTA-TMA, but has not been prospectively studied in adult allogeneic hematopoietic stem cell transplantation (HSCT) recipients. The investigators plan to conduct the first multicenter prospective study in adults to evaluate eculizumab as an early targeted intervention for hrTA-TMA. The investigators hypothesize that eculizumab will more than double the survival rate of hrTA-TMA in adult HSCT recipients compared with untreated hrTA-TMA patients from our previous study, who will serve as historical controls. Inclusion criteria are a confirmed diagnosis of TA-TMA with at least one of the following hrTA-TMA features: random urine protein-to-creatinine ratio (rUPCR) ≥2 mg/mg, multiple organ dysfunction syndrome (MODS), or elevated plasma IL-10 (≥2× upper limit of normal). The primary endpoint is survival at 6 months after diagnosis of hrTA-TMA. Secondary endpoints are the cumulative incidence of MODS at 6 months after diagnosis of hrTA-TMA, and 1-year post-transplant survival. The eculizumab regimen consists of an intensive loading dose, an induction dose, and a maintenance dose, with a total treatment duration of up to 24 weeks. This study aims to investigate the safety and efficacy of eculizumab in the treatment of high-risk TA-TMA.
Trial Details
NCT Number NCT07707687
Lead Sponsor First Affiliated Hospital of Zhejiang University
Collaborators: Second Affiliated Hospital, Zhejiang University, School of Medicine, Sir Run Run Shaw Hospital, Xiangya Hospital of Central South University, First Affiliated Hospital of Wenzhou Medical University, First Affiliated Hospital of Ningbo University, The Affiliated People's Hospital of Ningbo University, Jinhua Central Hospital
Conditions
(from sponsor)		 Transplant-Associated Thrombotic Microangiopathy (TA-TMA)
Enrollment 24 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov