CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 436 enrolled
Drug / intervention
nirmatrelvir +2 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05567952
NCT05567952Phase 2Completed

AN INTERVENTIONAL, EFFICACY AND SAFETY, PHASE 2, RANDOMIZED, DOUBLE-BLIND, 2-ARM STUDY TO INVESTIGATE A REPEAT 5-DAY COURSE OF NIRMATRELVIR/RITONAVIR COMPARED TO PLACEBO/RITONAVIR IN PARTICIPANTS AT LEAST 12 YEARS OF AGE WITH REBOUND OF COVID-19 SYMPTOMS AND RAPID ANTIGEN TEST POSITIVITY

Pfizer·interventional·Posted Oct 5, 2022·Updated Oct 8, 2024

In Brief

A Phase 2 clinical trial evaluating nirmatrelvir, ritonavir, and 1 other intervention for COVID-19. Completed, enrolled 436 participants across 84 sites in 5 countries.

Detailed Summary

The purpose of this study is to learn about the safety and effects of nirmatrelvir/ritonavir for the potential treatment of COVID-19 rebound. The study is seeking participants who: * Have completed treatment with nirmatrelvir/ritonavir * Have a rebound in COVID-19 symptoms * Are SARS-CoV-2 (COVID-19) positive All study medications will be taken 2 times a day by mouth for 5 days. The first dose of study medication is taken at the study clinic and the rest at home. We will examine the experiences of people receiving the study medicines to those who do not. This will help us determine if the study medicines are safe and effective. People taking part will be in this study for about 24 weeks. Enrolled participants will need to visit the study clinic at least 8 times during the study.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsCOVID-19
CountriesCanada, Greece, Italy, Taiwan, United States
Collaborators--

Timeline

Phase 2CompletedFinished
2023202420252026
First PostedOct 5, 2022
Enrollment StartOct 19, 2022
Primary CompletionSep 27, 2023
Study CompletionFeb 9, 2024
TodayJul 2, 2026
Enrollment to primary: 11 monthsPosted 3.7 years ago

Interventions

nirmatrelvirdrug

Participants will receive 2 tablets of nirmatrelvir every 12 hours

ritonavirdrug

Participants will receive 1 capsule of ritonavir every 12 hours

placebo for nirmatrelvirdrug

Participants will receive 2 tablets of placebo for nirmatrelvir every 12 hours. A placebo does not have any medicine in it but looks just like the medicine being studied.