Defibrotide for the Treatment of Severe COVID-19

  • STATUS
    Recruiting
  • days left to enroll
    35
  • participants needed
    42
  • sponsor
    Brigham and Women's Hospital
Updated on 7 August 2021

Summary

The goal of this study is to evaluate the safety and feasibility of defibrotide in COVID-19 pneumonia.

Description

This study is a prospective, single-arm, two-cohort, phase 2 pilot study that will evaluate the safety and efficacy of defibrotide in clinically severe COVID-19. The defibrotide dose that is approved by the FDA for the treatment of post-HSCT VOD/SOS (6.25 mg/kg IV q6 hours) will be used.

Cohort 1 will consist of patients with COVID-19 pneumonia confirmed by PCR and radiography, who are hospitalized with an oxygen requirement (either supplemental O2 or mechanical ventilation), are not on therapeutic dose anticoagulation, and require no more than one vasopressive agent to maintain hemodynamic stability. Cohort 2 will consist of patients with COVID-19 pneumonia confirmed by PCR and radiography, who are hospitalized in the ICU and are at elevated risk of hemorrhage and/or hypotension, the former defined as a requirement for therapeutic dose anticoagulation for active thrombosis, ECMO, or CRRT, and the latter defined as a requirement for two vasopressive agents to maintain hemodynamic stability.

In cohort 2 only, a 6+6 dose de-escalation design will be utilized, in which if 2 of 6 DLTs are experienced in the first 6 subjects, the dose will be reduced from 6.25 mg/kg IV q6hrs to 10mg/kg/d CIVI. If there are 0 or 1 DLTs in the first 6 subjects at the FDA-approved dose, another 6 subjects will be enrolled at the same dose. Grade 3/4 hemorrhage and significant new hypotension will be considered DLT's.

Details
Condition COVID19
Treatment Defibrotide
Clinical Study IdentifierNCT04652115
SponsorBrigham and Women's Hospital
Last Modified on7 August 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Age 18 years
Active COVID-19 infection confirmed by positive SARS-CoV-2 PCR
Radiographic evidence of bilateral pulmonary infiltrates
A life expectancy of at least 24 hours
Score of 4-7 on the WHO ordinal scale
Prophylactic dose anticoagulation is allowed for enrollment into cohort 1. Therapeutic dose anticoagulation for active thrombosis, ECMO, and/or continuous renal replacement therapy (CRRT) is allowed for enrollment into cohort 2 if there is no evidence of bleeding after at least 24 hours of anticoagulation
Patient or surrogate able to provide informed consent

Exclusion Criteria

Clinically significant acute bleeding
Concomitant use of thrombolytic therapy (e.g. t-PA)
Hemodynamic instability, defined as a requirement for >1 vasopressor agent for enrollment into cohort 1, and a requirement for >2 vasopressor agents for enrollment into cohort 2
Known allergy or hypersensitivity to DF
Pregnant or lactating
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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