A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised

Trial statusRecruiting
Trial phasePhase 3
Trial typeInterventional
Biological sexAll
Age18+
SponsorPfizer

About this trial

This is a Phase 3, randomized, actively controlled, double-blinded, double-dummy, superiority study to evaluate the efficacy and safety of ibuzatrelvir alone and in combination with remdesivir IV compared to remdesivir IV alone for the treatment of symptomatic COVID-19 in severely immunocompromised adult participants who are non-hospitalized or are hospitalized for observation or study intervention administration but do not require supplemental oxygen for COVID-19.

Eligibility criteria

Qualifiers

18 years of age or older at screening who are non-hospitalized or hospitalized for observation or with the intent of administering the study intervention.

Confirmed SARS-CoV-2 infection as determined by RAT (or other locally approved test) collected within 2 days prior to randomization. Initial onset of symptoms attributable to COVID-19 within 5 days prior to the day of randomization and at least 1 of the specified symptoms attributable to COVID-19 present on the day of randomization.

Solid organ or islet cell transplant recipient who is receiving immunosuppressive therapy;

Active hematologic malignancy (eg, chronic lymphocytic leukemia, non-Hodgkin lymphoma, multiple myeloma, acute leukemia);

Disqualifiers

Severe COVID-19, or current need for supplemental oxygen for treatment of COVID-19.

Receiving dialysis or have current kidney failure (ie, eGFR consistently <15 mL/min/1.73 m2)

Active liver disease

History of hypersensitivity or other contraindication to any of the components of the study interventions, as determined by the investigator

Trial design

Treatments tested in this trial

  • ibuzatrelvir
  • remdesivir
  • placebo for ibuzatrelvir
  • placebo for remdesivir

Treatment groups

300 Participants
are divided into 3 treatment groups

Sponsors and collaborators