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Clinical Trial Summary

This is a prospective, multi-center, controlled, randomized, non-inferiority study to evaluate the clinical effectiveness of Conventional versus Mirasol-treated apheresis platelets in subjects with hypoproliferative thrombocytopenia who are expected to have platelet count(s) ≤ 10,000/μL requiring ≥ 2 platelet transfusions.


Clinical Trial Description

Patients will be randomized 1:1 to Mirasol-treated platelets (test platelets) or to conventional, untreated platelets (control platelets). The blood centers will collect the apheresis donor platelets and supply the test platelets to the hospital sites for transfusion into patients. Hospital sites will order control platelets as per their normal process, from their standard vendor. The target population for the MIPLATE study are patients with hematologic malignancies with hypoproliferative thrombocytopenia who are expected to have platelet (PLT) count(s) of ≤ 10,000/μL requiring ≥ 2 PLT transfusions. The primary objective of MIPLATE is to determine if the hemostatic efficacy of Mirasol-treated plasma stored Trima Accel® Aph PLTs are non-inferior to Conventional plasma stored Aph PLTs in subjects with hypoproliferative thrombocytopenia requiring PLT transfusions. The secondary objectives include comparing other efficacy and safety endpoints between the treatment groups. Subjects with hematologic malignancies with hypoproliferative thrombocytopenia are anticipated to experience a "transfusion episode" where they will require PLT transfusion support until bone marrow recovery. During this period all PLT transfusions required for a study subject will be given according to the subject's treatment allocation for 28 days after the initial PLT transfusion OR until transfusion independence (10 days without PLT transfusion) prior to Day 28. Additionally, serum samples for HLA antibody testing will be collected on Days 14, 28 and 56. At a minimum, the initial post-randomization prophylactic PLT transfusion will be initiated for a PLT count ≤ 10,000/µL. Thereafter, indications for PLT transfusions may be PLT count-related prophylaxis, intervention-related prophylaxis, or therapeutic (treatment of active bleeding) as determined by the treating physician(s). The indication(s) for the transfusion(s) will be captured. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02964325
Study type Interventional
Source Terumo BCTbio
Contact
Status Terminated
Phase N/A
Start date May 5, 2017
Completion date June 25, 2020

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