Status:

COMPLETED

Thrombosomes® in Bleeding Thrombocytopenic Patients

Lead Sponsor:

Cellphire Therapeutics, Inc.

Collaborating Sponsors:

Department of Health and Human Services

Conditions:

Thrombocytopenia

Hematologic Diseases

Eligibility:

All Genders

18-74 years

Phase:

PHASE1

Brief Summary

The study evaluates the safety and potential early signals of efficacy of allogeneic Thrombosomes in bleeding thrombocytopenic patients

Detailed Description

The primary objective of the present study was to assess the safety of increasing dose levels of Thrombosomes in bleeding patients with thrombocytopenia. The secondary objective was to explore early s...

Eligibility Criteria

Inclusion

  • Adults up to 74 y/o with any of following: acute leukemia (ALL or AML), myelodysplasia, aplasia, and/or therapy (chemotherapy or radiation) induced bone marrow aplasia or hypoplasia with thrombocytopenia (platelet count ≥ 5,000 and ≤ 70,000/μL) for a minimum of 2 days. May include bone marrow transplant or peripheral or cord blood stem cell recipients, but not subjects with Graft-vs-Host disease.
  • Hospitalized patients (or willing to be hospitalized for 24 hours after Rx) with Modified WHO Grade 1 (subset) or Grade 2 Bleeding Score or at risk for same within 4 weeks of screening. The Grade 1 subset includes patients who have either epistaxis, hematuria, oral petechiae, or bleeding at invasive or other wound sites.
  • No platelet inhibitor drugs within 5 days prior to infusion and through Day 6 follow-up period.

Exclusion

  • History or condition related to thrombosis, embolism or vascular occlusion/ischemia, including but not limited to: transient ischemic attack, stroke, myocardial infarction, stent placement, valve replacement and/or repair
  • Currently with an active acute infection, or suspected infection, a single oral temperature of ≥ 101° F or a temperature of ≥ 100.4°F sustained over a 1 h period in past 24 h. Subjects on prophylactic antibiotics are not excluded from study
  • Coagulopathy or receiving anticoagulants that result in PT (prothrombin time) or aPTT (activated partial thromboplastin time) values greater than 1.3 X upper limit of normal or elevated D-dimer of decreased fibrinogen
  • History of any inherited coagulation or platelet function, disorder or ITP (idiopathic thrombocytopenic purpura), TTP (thrombotic thrombocytopenic purpura), or HUS (hemolytic-uremic syndrome)
  • Receipt of tranexamic acid or other antifibrinolytics within 48 hrs prior to infusion
  • Treatment with an investigational drug within 1 month of infusion, other than for treatment of their underlying disease

Key Trial Info

Start Date :

March 19 2018

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 25 2019

Estimated Enrollment :

24 Patients enrolled

Trial Details

Trial ID

NCT03394755

Start Date

March 19 2018

End Date

September 25 2019

Last Update

April 14 2023

Active Locations (7)

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Page 1 of 2 (7 locations)

1

City of Hope

Duarte, California, United States, 91010

2

Georgetown University Hospital

Washington D.C., District of Columbia, United States, 20016

3

University of Michigan

Ann Arbor, Michigan, United States, 48109

4

Dartmouth Hitchcock Medical Center

Lebanon, New Hampshire, United States, 03766