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Nirmatrelvir

DRUG11 trials

Sponsors

Pfizer Inc., Helse Bergen HF, University of Oxford, Pfizer, Stanford University

Conditions

COVID-19Child, HospitalizedCoronavirus Disease 2019 (COVID-19)Healthy ParticipantsHospitalizationImmunocompromisedLong COVIDPost-acute Sequelae of SARS-CoV-2 Infection

Phase 1

Phase 2

Finding Treatments for COVID-19: A Trial of Antiviral Pharmacodynamics in Early Symptomatic COVID-19 (PLATCOV)
RecruitingNCT05041907
University of OxfordCOVID-19
Start: 2021-09-30End: 2027-01-01Target: 3800Updated: 2026-02-19
A Study to Learn About the Study Medicines (Nirmatrelvir Plus Ritonavir) in People Aged 12 Years or Older With COVID-19 and a Compromised Immune System
CompletedNCT05438602
PfizerCOVID-19
Start: 2022-08-03End: 2023-11-13Updated: 2024-09-23
A Study to Learn About the Medicine Called Nirmatrelvir Used in Combination With Ritonavir in People With Weakened Immune Systems or at Increased Risk for Poor Outcomes Who Are Hospitalized Due to Severe COVID-19
WithdrawnNCT05545319
PfizerChild, Hospitalized, Coronavirus Disease 2019 (COVID-19), Hospitalization +2
Start: 2022-12-13End: 2024-01-06Updated: 2023-03-01
A Study to Learn About a Repeat 5-Day Treatment With the Study Medicines (Called Nirmatrelvir/Ritonavir) in People 12 Years Old or Older With Return of COVID-19 Symptoms and SARS-CoV-2 Positivity After Finishing Treatment With Nirmatrelvir/Ritonavir
CompletedNCT05567952
PfizerCOVID-19
Start: 2022-10-19End: 2024-02-09Updated: 2024-10-08
Paxlovid for Treatment of Long Covid
CompletedNCT05576662
Stanford UniversityLong COVID, Post-acute Sequelae of SARS-CoV-2 Infection
Start: 2022-11-08End: 2023-09-12Updated: 2025-09-04
A Decentralized, Randomized Phase 2 Efficacy and Safety Study of Nirmatrelvir/Ritonavir in Adults with Long COVID.
CompletedNCT05668091
Harlan M KrumholzLong COVID
Start: 2023-04-14End: 2024-08-21Updated: 2024-12-02
C4671026-A PHASE 2/3, INTERVENTIONAL SAFETY, PHARMACOKINETICS, AND EFFICACY, OPEN-LABEL, MULTI-CENTER, SINGLE-ARM STUDY TO INVESTIGATE ORALLY ADMINISTERED PF-07321332 (NIRMATRELVIR)/RITONAVIR IN NONHOSPITALIZED SYMPTOMATIC PEDIATRIC PARTICIPANTS WITH COVID-19 WHO ARE AT RISK OF PROGRESSION TO SEVERE DISEASE
RecruitingCTIS2023-509773-23-00
Pfizer Inc.SARS-CoV-2 Infection
Start: 2023-07-13Target: 39Updated: 2025-12-19

Phase 3

Related Papers

New England Journal of Medicine2024-07-1723 citations