Clinical trials: Ritonavir
Chronic Hepatitis D Infection
Lonafarnib With and Without Ritonavir in HDV (LOWR-1)
To Evaluate the Safety and Efficacy of Lonafarnib with and without Ritonavir Boosting in Adults With Genotype 1 Chronic Hepatitis D Virus (HDV) Infection (LOWR-1).
- Trial name
- LOWR-1 (NCT02430181)
- Testing
- lonafarnib, peginterferon alfa-2a, ritonavir
- Where
- Turkey (Türkiye)
- Volunteers
- 21 people
- Sponsor
- EIT Pharma, Inc.
Chronic Hepatitis D Infection
Lonafarnib Boosted With Ritonavir With and Without Peginterferon Alfa-2a (PEG IFN-a) in HDV (LOWR-2)
An Open-label, Dose-ranging Study to Evaluate the Safety and Efficacy of Lonafarnib with Ritonavir Boosting +/- Peginterferon alfa-2a in Patients Chronically Infected with Delta Hepatitis (HDV) (LOWR-2).
- Trial name
- LOWR-2 (NCT02430194)
- Testing
- lonafarnib, ritonavir, Pegylated interferon-alfa-2a
- Where
- Turkey (Türkiye)
- Volunteers
- 55 people
- Sponsor
- EIT Pharma, Inc.
Chronic Delta Hepatitis
Titrating-Dose of Lonafarnib in Combination With Ritonavir
A phase 2, open-label study to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamic activity of titrating-dose lonafarnib/ritonavir in patients chronically infected with hepatitis delta virus (HDV)
- Trial name
- LOWR-4 (NCT02527707)
- Testing
- lonafarnib, Ritonavir
- Volunteers
- 15 people
- Sponsor
- EIT Pharma, Inc.
Healthy Participants
A Study to Learn About the Medicine (PF-07321332 or Nirmatrelvir/Ritonavir) in Healthy Lactating Women
The main purpose of this study is to measure the level of active ingredient of the study medicine (nirmatrelvir) that is secreted in human breast milk when it is given to healthy breastfeeding women.
- Trial name
- NCT05441215
- Testing
- nirmatrelvir, ritonavir
- Where
- Belgium
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Pfizer
COVID-19 (Coronavirus Disease 2019)
A US Study to Look at Loss of Work and Healthcare Costs for People Affected With Mild-to-moderate COVID 19 Who Have High Chances of the Disease Becoming Severe
The purpose of this study is to understand how COVID-19 affects people's ability to work and to calculate the costs associated with loss of work.
- Trial name
- NCT07072793
- Testing
- nirmatrelvir-ritonavir
- Where
- United States
- Volunteers
- 131,005 people
- Sponsor
- Pfizer
SARS-CoV-2 Infection
A Study to Learn About PAXLOVID (a Commercial Medicine) In People With COVID-19
The purpose of this post marketing observational study is to learn about the safety and effects of the commercial medicine (called PAXLOVID) for the treatment of COVID-19.
- Trial name
- NCT05263908
- Testing
- nirmatrelvir / ritonavir
- Where
- Japan
- Volunteers
- 3,346 people
- Sponsor
- Pfizer
COVID-19
A Study to Learn About the Use of Paxlovid in Patients With COVID-19 in the Kingdom of Bahrain.
The purpose of this study is to collect information on the: general information of a group of people such as their age, sex clinical information of the patients such as any other illness before having COVID 19.
- Trial name
- NCT06291831
- Testing
- nirmatrelvir, ritonavir, Controls
- Where
- Bahrain
- Volunteers
- 3,011 people
- Sponsor
- Pfizer
COVID-19
EPIC-HR: Study of Oral PF-07321332/Ritonavir Compared With Placebo in Nonhospitalized High Risk Adults With COVID-19
The purpose of this study is to determine whether PF-07321332/ritonavir is safe and effective for the treatment of adults who are ill with COVID-19 and do not need to be in the hospital, but are at an increased risk of developing…
- Trial name
- NCT04960202
- Testing
- PF-07321332, Ritonavir
- Where
- 201 sites in United States, Argentina and 18 more
- Volunteers
- 2,091 people
- Sponsor
- Pfizer
Bioavailability
Relative Bioavailability Study of 4 Different Formulations of PF-07321332 Relative to the Commercial Tablet Formulation
The purpose of this study is to estimate the relative bioavailability of PF-07321332 in different formulations in healthy adult participants.
- Trial name
- NCT05263895
- Testing
- PF-07321332/ritonavir, PF-07321332
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pfizer
Covid-19
A Study of COVID-19 Patients Receiving Treatment With Nirmatrelvir; Ritonavir in the Kingdom of Saudi Arabia
The aim of this study is to describe the baseline demographic, clinical characteristics, and Healthcare Resource Use (HCRU) of adult (≥18 years) COVID-19 patients who have been prescribed nirmatrelvir, ritonavir treatment.
- Trial name
- NCT06016556
- Testing
- nirmatrelvir, ritonavir
- Where
- 3 sites in Saudi Arabia
- Volunteers
- 250 people
- Sponsor
- Pfizer
HIV-1 Infection
Safety and Efficacy of a Switch to Doravirine, Tenofovir, Lamivudine (MK-1439A) in Human Immunodeficiency Virus (HIV-1)-Infected Participants Virologically Suppressed on an Anti-retroviral Regimen in Combination With Two Nucleoside Reverse Transcriptase Inhibitors (MK-1439A-024)
The multicenter, open label, randomized study will evaluate the safety and efficacy of a switch to MK-1439A (MK-1439 [doravirine] plus lamivudine and tenofovir disoproxil fumarate) in HIV-1-infected participants virologically…
- Trial name
- DRIVE-SHIFT (NCT02397096)
- Testing
- Doravirine, Tenofovir, Lamivudine, Baseline regimen of ritonavir- or cobicistat-boosted protease inhibitor, Baseline regimen of cobicistat-boosted elvitegravir
- Volunteers
- 673 people
- Sponsor
- Merck Sharp & Dohme LLC
Pharmacokinetics, Healthy Volunteers
A Study to Learn About the Study Medicine Called Nirmatrelvir/Ritonavir in People Who Are Healthy Volunteers Co-administered the Medicine Rosuvastatin
The purpose of this study is to learn about the effect of the study medicine (called nirmatrelvir/ritonavir) on the pharmacokinetics of the medicine rosuvastatin in healthy volunteers.
- Trial name
- NCT05898672
- Testing
- Rosuvastatin, Nirmatrelvir/ritonavir
- Where
- Belgium
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pfizer
Healthy Participants
A Study to Learn About the Study Medicine PF-07321332 and Ritonavir in Adult Healthy Chinese Participants.
The purpose of this Phase 1 clinical trial is to help us understand how the drug is changed and eliminated from your body after you take it, the safety, and the the extent to which dise effects can be tolerated of PF-07321332…
- Trial name
- NCT05339334
- Testing
- PF-07321332/ritonavir
- Where
- China
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Pfizer
COVID-19
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
The purpose of this study is to learn about the safety and effects of nirmatrelvir/ritonavir for the potential treatment of COVID-19 rebound.
- Trial name
- NCT05567952
- Testing
- nirmatrelvir, ritonavir
- Where
- 84 sites in United States, Canada and 3 more
- Volunteers
- 436 people
- Sponsor
- Pfizer
HIV-1
Safety and Efficacy of Doravirine (MK-1439) in Participants With Human Immunodeficiency Virus 1 (HIV-1) (MK-1439-018)
To establish a new treatment option for treatment-naïve participants with HIV-1, the efficacy and safety of doravirine will be determined relative to a protease inhibitor (PI).
- Trial name
- DRIVE-FORWARD (NCT02275780)
- Testing
- Doravirine, Darunavir, Ritonavir
- Volunteers
- 769 people
- Sponsor
- Merck Sharp & Dohme LLC
COVID-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
The purpose of this clinical trial is to learn about the safety and effects of the study medicine (called Nirmatrelvir/Ritonavir) for the possible treatment of COVID-19.
- Trial name
- NCT05438602
- Testing
- Nirmatrelvir, Ritonavir
- Where
- 84 sites in United States, Australia and 7 more
- Volunteers
- 158 people
- Sponsor
- Pfizer
COVID-19
A Study to Measure the Amount of Study Medicine in Blood in Adult Participants With COVID-19 and Severe Kidney Disease
The purpose of this study is to learn about the side effects (safety) of the study medicine PF-07321332 (nirmatrelvir)/ritonavir for the treatment of mild to moderate COVID-19 infection in adults with severe renal impairment.
- Trial name
- NCT05487040
- Testing
- PF-07321332 (nirmatrelvir)/ritonavir
- Where
- 52 sites in United States
- Volunteers
- 15 people
- Sponsor
- Pfizer
Biological Availability, Healthy Participants
Relative Bioavailability Study of Nirmatrelvir/Ritonavir 4 Different Fixed Dose Combination Tablets Relative to the Commercial Tablets in Healthy Participants
The purpose of this study is to estimate the relative bioavailability of nirmatrelvir/ritonavir of 4 different FDC tablet formulations relative to the commercial tablet formulation under fasted conditions in healthy adult…
- Trial name
- NCT05525910
- Testing
- Nirmatrelvir/ ritonavir, Nirmatrelvir/ritonavir
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Pfizer
HIV Infections
Drug-drug Interaction (DDI) Study of GSK3640254 With Darunavir/Ritonavir (DRV/RTV) and Etravirine (ETR)
This is an open-label, single-sequence, multiple-dose, 3 cohort study to investigate the effects of DRV/RTV and/or ETR on the pharmacokinetics (PK) of GSK3640254 and the effects of GSK3640254 on the PK of DRV/RTV and/or ETR.
- Trial name
- NCT04630002
- Testing
- GSK3640254, Darunavir/Ritonavir (DRV/RTV), Etravirine (ETR)
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- ViiV Healthcare
Bioavailability
Relative Bioavailability Study of PF-07321332/Ritonavir Oral Powder Relative to the Commercial Tablets in Healthy Participants
The purpose of this study is to estimate the relative bioavailability of PF-07321332/ritonavir oral powder relative to the commercial tablet formulation under fasted condition in healthy adult participants.
- Trial name
- NCT05263921
- Testing
- PF-07321332/ritonavir
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pfizer