Pfizer Inc ((PFE)) announced an update on their ongoing clinical study.
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Pfizer Inc. is conducting a Phase 3 clinical study titled ‘An Interventional Efficacy and Safety, Phase 3, Randomized, Double-Blind, 3-Arm Study to Investigate Ibuzatrelvir in Adults with Symptomatic COVID-19 Who Are Severely Immunocompromised.’ The study aims to evaluate the efficacy and safety of the drug ibuzatrelvir, alone and in combination with remdesivir, compared to remdesivir alone, in treating symptomatic COVID-19 in severely immunocompromised adults. This study is significant as it targets a vulnerable population that is at higher risk of severe outcomes from COVID-19.
The interventions being tested include ibuzatrelvir, an oral tablet, and remdesivir, an intravenous injection. The study explores the effectiveness of ibuzatrelvir both as a standalone treatment and in combination with remdesivir, against remdesivir alone.
The study is designed as a randomized, triple-masked, parallel assignment with a primary purpose of treatment. Participants, investigators, and outcomes assessors are blinded to the treatment allocations, ensuring unbiased results.
The study began on May 5, 2025, with the latest update submitted on October 17, 2025. These dates are crucial as they indicate the study’s timeline and progress, with recruitment currently ongoing.
This study update could influence Pfizer’s stock performance positively by showcasing its commitment to addressing COVID-19 in high-risk groups. It also positions Pfizer competitively in the pharmaceutical industry, especially in the COVID-19 treatment landscape.
The study is ongoing, with further details available on the ClinicalTrials portal.