NORVIR

LOE ApproachingSM

ritonavir

NDAORALTABLET
Approved
Feb 2010
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Clinical Trials
20

Mechanism of Action

HIV Protease Inhibitors

Pharmacologic Class:

Cytochrome P450 3A Inhibitor

Clinical Trials (5)

NCT07261085N/AActive Not Recruiting

A Study to Learn How Paxlovid [Nirmatrelvir-ritonavir/PF-07321332] Works in COVID-19 Patients Who Are Elderly or Have Medical Conditions.

Started Oct 2025
99,000 enrolled
COVID-19
NCT07089680N/ANot Yet Recruiting

A Study to Learn About the Study Medicine Paxlovid (Nirmatrelvir + Ritonavir) in Adults Aged 60 and Older Living in Korean Long-term Care Hospitals Who Have COVID-19

Started Aug 2025
1,200 enrolled
Coronavirus Disease 2019 (COVID-19)
NCT06397144Phase 1Withdrawn

A Study on 2 Different Combination Tablets of Nirmatrelvir Plus Ritonavir to Compare Them With Marketed Paxlovid in Healthy Participants

Started Aug 2025
0
Biological AvailabilityHealthy Participants
NCT06085924N/ACompleted

A Study to Learn About Effects of Living With COVID-19 and the Use of the Medicines Nirmatrelvir-Ritonavir in Treating COVID-19.

Started Nov 2023
8,252,912 enrolled
COVID-19
NCT06016556N/ACompleted

A Study of COVID-19 Patients Receiving Treatment With Nirmatrelvir; Ritonavir in the Kingdom of Saudi Arabia

Started Oct 2023
250 enrolled
Covid-19