Ritonavir: all 354 studies that test it

Page 1 of 4. Open to participants first (5), then studies with results posted, then the rest; newest registration first within each.

• An Adaptive Platform Trial for Evaluation of Novel Treatment Regimens in Children and Adolescents With HIV in AfricaNot yet recruitingNCT07792096Phase 3
• STARLITE for Unresectable High-Grade GliomasRecruitingNCT06428045Phase 1
• EPIC-Peds: A Study to Learn About the Study Medicine Called PF-07321332 (Nirmatrelvir)/Ritonavir in Patients Under 18 Years of Age With COVID-19 That Are Not Hospitalized But Are at Risk for Severe DiseaseRecruitingNCT05261139Phase 3
• Finding Treatments for COVID-19: A Trial of Antiviral Pharmacodynamics in Early Symptomatic COVID-19 (PLATCOV)RecruitingNCT05041907Phase 2
• Randomized, Embedded, Multifactorial Adaptive Platform Trial for Community- Acquired PneumoniaRecruitingNCT02735707Phase 3
• RECOVER-VITAL: Platform Protocol, Appendix to Measure the Effects of Paxlovid on Long COVID SymptomsCompletedNCT05965726Phase 2Results posted
• A Study to Learn About the Medicine (PF-07321332 or Nirmatrelvir/Ritonavir) in Healthy Lactating WomenCompletedNCT05441215Phase 1Results posted
• 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 SystemCompletedNCT05438602Phase 2Results posted
• A Study to Learn About the Study Medicine PF-07321332 and Ritonavir in Adult Healthy Chinese Participants.CompletedNCT05339334Phase 1Results posted
• Relative Bioavailability Study of PF-07321332/Ritonavir Oral Powder Relative to the Commercial Tablets in Healthy ParticipantsCompletedNCT05263921Phase 1Results posted
• Relative Bioavailability Study of 4 Different Formulations of PF-07321332 Relative to the Commercial Tablet FormulationCompletedNCT05263895Phase 1Results posted
• Food Effect Study to Evaluate the Effect of High-Fat Meal on the Relative Bioavailability of PF-07321332 Boosted With Ritonavir in Healthy Adult ParticipantsCompletedNCT05129475Phase 1Results posted
• PF-07321332/Ritonavir and Ritonavir on Dabigatran Study in Healthy ParticipantsCompletedNCT05064800Phase 1Results posted
• A Study of a Potential Oral Treatment to Prevent COVID-19 in Adults Who Are Exposed to Household Member(s) With a Confirmed Symptomatic COVID-19 InfectionCompletedNCT05047601Phase 2/3Results posted
• Drug-Drug Interaction Study to Estimate the Effect of PF-07321332/Ritonavir and Ritonavir on Midazolam in Healthy ParticipantsCompletedNCT05032950Phase 1Results posted
• Evaluation of Protease Inhibition for COVID-19 in Standard-Risk Patients (EPIC-SR).TerminatedNCT05011513Phase 2/3Results posted
• Study to Estimate the Effects of Hepatic Impairment on the Pharmacokinetics (PK) of PF-07321332CompletedNCT05005312Phase 1Results posted
• Drug-Drug Interaction Study Assessing Effect of Carbamazepine on PF-07321332 Boosted With RitonavirCompletedNCT04962230Phase 1Results posted
• Drug-Drug Interaction Study Assessing Effect of Itraconazole on PF-07321332/Ritonavir in Healthy ParticipantsCompletedNCT04962022Phase 1Results posted
• EPIC-HR: Study of Oral PF-07321332/Ritonavir Compared With Placebo in Nonhospitalized High Risk Adults With COVID-19CompletedNCT04960202Phase 2/3Results posted
• Renal Impairment Study of PF-07321332 Boosted With Ritonavir in Adult Participants With Renal Impairment and in Healthy Participants With Normal Renal Function.CompletedNCT04909853Phase 1Results posted
• Treatment of Chronic Delta Hepatitis With Lonafarnib, Ritonavir and Lambda InterferonCompletedNCT03600714Phase 2Results posted
• A Two-part Study to Compare a Tablet and Capsule Formulation of GSK2838232 With and Without Food, and to Assess the Safety and Drug Levels of Repeated Once-daily Doses of GSK2838232 Without RitonavirCompletedNCT03234036Phase 1Results posted
• Efficacy and Safety of Ravidasvir + Danoprevir/r 12-week Oral Therapy in Treatment-Naive Non Cirrhotic G1 CHC TaiwanCompletedNCT03020095Phase 2Results posted
• Efficacy and Safety of Danoprevir/r + PR 12week Triple Therapy in Treatment Naive Non-Cirrhotic G1 CHC China IIICompletedNCT03020082Phase 3Results posted
• Efficacy and Safety of Danoprevir/r + PR 12-week Triple Therapy in Treatment-Naive, Non-Cirrhotic, G1 CHC China IICompletedNCT03020004Phase 2Results posted
• PrOD for Non-Cirrhotic Patients With HCV-1b Receiving HemodialysisCompletedNCT02874066Phase 4Results posted
• Ombitasvir/Paritaprevir/Ritonavir and Dasabuvir With Low-Dose Ribavirin QD in Subjects With Genotype 1a Chronic Hepatitis C Virus InfectionCompletedNCT02609659Phase 3Results posted
• Study to Evaluate the Safety and Efficacy of Switching From Regimens Consisting of Boosted Atazanavir or Darunavir Plus Either Emtricitabine/Tenofovir or Abacavir/Lamivudine to Bictegravir/Emtricitabine/Tenofovir Alafenamide in Virologically Suppressed HIV-1 Infected AdultsCompletedNCT02603107Phase 3Results posted
• Titrating-Dose of Lonafarnib in Combination With RitonavirCompletedNCT02527707Phase 2Results posted
• ABT-450/Ritonavir/ ABT-267 (ABT-450/r/ABT-267) and ABT-333 Co-Administered With Ribavirin (RBV) in Treatment Naïve and Treatment Experienced Asian Adults With Genotype 1b Chronic Hepatitis C Virus (HCV) Infection and Compensated CirrhosisCompletedNCT02517528Phase 3Results posted
• ABT-450/Ritonavir/ABT-267 (ABT-450/r/ABT-267) and ABT-333 in Treatment-Naïve and Treatment-Experienced, Non-Cirrhotic Asian Adults With Subgenotype 1b Chronic Hepatitis C Virus (HCV) InfectionCompletedNCT02517515Phase 3Results posted
• Treatment of Chronic Delta Hepatitis With Lonafarnib and RitonavirCompletedNCT02511431Phase 2Results posted
• A Study to Evaluate the Safety and Efficacy of Ombitasvir/Paritaprevir/r With or Without Dasabuvir and With or Without Ribavirin in Chronic Hepatitis C Virus Genotype 1 or 4 Infected Adults With Successfully Treated Early Stage Hepatocellular CarcinomaTerminatedNCT02504099Phase 3Results posted
• Ombitasvir/ABT-450/Ritonavir and Dasabuvir Therapy With Low Dose Ribavirin (RBV), Full Dose RBV or RBV Add-On in Treatment Naive Genotype 1a Hepatitis C Virus Infected AdultsCompletedNCT02493855Phase 2Results posted
• Ombitasvir/Paritaprevir/Ritonavir With or Without Dasabuvir in Adults With Genotype 1a or Genotype 4 Chronic Hepatitis C Virus (HCV) Infection, With Severe Kidney Impairment or End Stage Kidney DiseaseCompletedNCT02487199Phase 3Results posted
• A Study to Evaluate the Safety and Efficacy of Ombitasvir/Paritaprevir/Ritonavir and Dasabuvir With or Without Ribavirin in US Veterans With Genotype 1 Chronic Hepatitis C Virus InfectionCompletedNCT02442284Phase 3Results posted
• A Study to Evaluate the Efficacy and Safety of Three Experimental Drugs in Adults With Hepatitis C Virus Infection, Who Are Either Treatment-naive or Treatment-experienced in BrazilCompletedNCT02442271Phase 3Results posted
• HERV-K Suppression Using Antiretroviral Therapy in Volunteers With Amyotrophic Lateral Sclerosis (ALS)CompletedNCT02437110Phase 1Results posted
• Lonafarnib With and Without Ritonavir in HDV (LOWR-1)CompletedNCT02430181Phase 2Results posted
• Ombitasvir/Paritaprevir/Ritonavir and Dasabuvir Co-Administered With Sofosbuvir With and Without Ribavirin in Treatment-Naive HCV Genotype 1-Infected AdultsCompletedNCT02399345Phase 3Results posted
• Strategy-confirming Study of BMS-955176 to Treat HIV-1 Infected Treatment-experienced AdultsTerminatedNCT02386098Phase 2Results posted
• A Study of Ombitasvir/Paritaprevir/Ritonavir and Dasabuvir With or Without Sofosbuvir and Ribavirin in Direct-Acting Antiviral Agent Treatment-Experienced Adults With Chronic Hepatitis C Virus InfectionCompletedNCT02356562Phase 2Results posted
• Renal Effect of Stribild or Other Tenofovir DF-containing Regimens Compared to Ritonavir-boosted Atazanavir Plus Abacavir/Lamivudine in Antiretroviral Treatment-naive HIV-1 Infected AdultsCompletedNCT02246998Phase 4Results posted
• Drug-Drug Interaction Study: ASP2151 and RitonavirCompletedNCT02223351Phase 1Results posted
• A Study to Evaluate Long-term Outcomes Following Treatment With ABT-450/Ritonavir/ABT-267 (ABT-450/r/ABT-267) and ABT-333 With or Without Ribavirin (RBV) in Adults With Genotype 1 Chronic Hepatitis C Virus (HCV) InfectionCompletedNCT02219490Phase 3Results posted
• Evaluating the Safety and Effectiveness of Interferon-Free Treatment of Hepatitis C Virus Infection in HIV-Coinfected Adults on Antiretroviral TherapyTerminatedNCT02194998Phase 2Results posted
• A Study to Evaluate Long-term Outcomes Following Treatment With ABT-450/Ritonavir/ABT-267 (ABT-450/r/ABT-267) and ABT-333 With or Without Ribavirin (RBV) in Adults With Genotype 1 Chronic Hepatitis C Virus (HCV) InfectionCompletedNCT02167945Phase 3Results posted
• Study Assessing the Effects of Darunavir/Ritonavir or Lopinavir/Ritonavir on the Pharmacokinetics of Daclatasvir in Healthy ParticipantsCompletedNCT02159352Phase 1Results posted
• A Study to Evaluate the Safety and Antiviral Effect of ABT-450/Ritonavir and ABT-530 Coadministered With and Without Ribavirin in Adults With Genotype 3 Hepatitis C (HCV) InfectionCompletedNCT02068222Phase 2Results posted
• Study to Evaluate the Efficacy and Safety of ABT-450/Ritonavir/ABT- 267 (ABT-450/r/ABT-267) in Japanese Adults With Genotype 2 Chronic Hepatitis C Virus (HCV) InfectionCompletedNCT02023112Phase 3Results posted
• Study to Evaluate the Efficacy and Safety of ABT-450/Ritonavir/ABT-267 (ABT-450/r/ABT-267) in Japanese Adults With Subgenotype 1b Chronic Hepatitis C Virus (HCV) InfectionCompletedNCT02023099Phase 3Results posted
• An Open-label, Single Arm, Phase 2 Study to Evaluate ABT-450/r/ABT-267 and ABT-333 With Ribavirin (RBV) in Adults With Genotype 1 HCV Infection Taking Methadone or BuprenorphineCompletedNCT01911845Phase 2Results posted
• A Study to Evaluate the Efficacy and Safety of Three Experimental Drugs Compared With Telaprevir (a Licensed Product) in People With Hepatitis C Virus Infection Who Have Not Had Treatment BeforeCompletedNCT01854697Phase 3Results posted
• A Study to Evaluate the Efficacy and Safety of Three Experimental Drugs Compared With Telaprevir (a Licensed Product) for Treatment of Chronic Hepatitis C Infection in Treatment-experienced AdultsCompletedNCT01854528Phase 3Results posted
• Study to Evaluate a HIV Drug for the Treatment of HIV InfectionCompletedNCT01803074Phase 2Results posted
• A Study to Evaluate Chronic Hepatitis C Infection in Adult Transplant RecipientsCompletedNCT01782495Phase 2Results posted
• A Follow up Study Designed to Obtain Long Term Data on Participants Who Either Achieved a Sustained Virologic Response or Did Not Achieve a Sustained Virologic Response in an AbbVie Sponsored Hepatitis C StudyCompletedNCT01773070Phase 3Results posted
• A Study to Evaluate Chronic Hepatitis C InfectionCompletedNCT01716585Phase 3Results posted
• A Study to Evaluate Chronic Hepatitis C Infection in Treatment Experienced AdultsCompletedNCT01715415Phase 3Results posted
• Safety and Efficacy of E/C/F/TDF Versus RTV-Boosted ATV Plus FTC/TDF in HIV-1 Infected, Antiretroviral Treatment-Naive WomenCompletedNCT01705574Phase 3Results posted
• A Study to Evaluate the Safety and Efficacy of ABT-450/Ritonavir/ABT-267; (ABT-267 Also Known as Ombitasvir) and ABT-333 (Also Known as Dasabuvir) Coadministered With Ribavirin (RBV) in Hepatitis C Virus (HCV) Genotype 1-infected Adults With Compensated CirrhosisCompletedNCT01704755Phase 3Results posted
• Pharmacokinetic Study of Pitavastatin and Ritonavir-Boosted Darunavir or EfavirenzCompletedNCT01695954Phase 1Results posted
• Safety Sudy of Atazanavir Boosted With Ritonavir in the Treatment of HIV Infection in Pediatric PatientsCompletedNCT01691794Phase 4Results posted
• A Study to Evaluate ABT-450 With Ritonavir (ABT-450/r) and ABT-267 in Japanese Adults With Chronic Hepatitis C Virus InfectionCompletedNCT01672983Phase 2Results posted
• Part A: Drug Interaction Study of Sofosbuvir and Antiretroviral Therapy (ART) Combinations in HIV and Hepatitis C Virus (HCV) Co-infected Patients. Part B: Efficacy and Safety of Sofosbuvir for 12 Weeks in HIV/HCV Co-infected Patients.CompletedNCT01565889Phase 1/2Results posted
• A Study to Evaluate Paritaprevir With Ritonavir (ABT-450/r) When Given Together With Ombitasvir and With and Without Ribavirin (RBV) in Treatment-Naïve Participants With Genotype 1, 2 or 3 Chronic Hepatitis C Virus (HCV)CompletedNCT01458535Phase 2Results posted
• A Clinical Trial Comparing the Efficacy of Darunavir/Ritonavir Monotherapy Versus a Triple Combination Therapy Containing Darunavir/Ritonavir and 2 Nucleoside/Nucleotide Reverse Transcriptase Inhibitors in Patients With Undetectable Plasma HIV-1 RNA on Current TreatmentCompletedNCT01448707Phase 3Results posted
• Investigation of Ritonavir Effects on Afatinib Exposure in Healthy SubjectsCompletedNCT01426958Phase 1Results posted
• Effect of Multiple Dosing With BI 201335 on the Pharmacokinetics of Darunavir Co-administered With Ritonavir in Healthy Male and Female VolunteersCompletedNCT01374802Phase 1Results posted
• Phase IIIB Study Evaluating the Effects of Atazanavir Powder With Ritonavir in HIV-infected Pediatric PatientsCompletedNCT01335698Phase 3Results posted
• A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of ABT-450 With Ritonavir (ABT-450/r) When Given Together With ABT-333 and Ribavirin (RBV) in Treatment-Naïve and Non-responder Subjects With Genotype 1 Chronic Hepatitis C Virus (HCV) InfectionCompletedNCT01306617Phase 2Results posted
• TMC114IFD3001 - Study Providing Continued Access to Treatment With Darunavir (DRV)/Ritonavir(Rtv) in HIV1 Infected Adults, Adolescents and Children Aged 3 Years or Above and Coming From Previous Company Sponsored Studies With DRVCompletedNCT01281813Phase 3Results posted
• Effects of Famotidine on the Pharmacokinetics of Atazanavir When Coadministered to Participants With HIV InfectionCompletedNCT01232127Phase 4Results posted
• A Pilot Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Antiviral Activity of ABT-450 With Ritonavir (ABT-450/r) Dosed in Combination With ABT-072 and Ribavirin (RBV)CompletedNCT01221298Phase 2Results posted
• A Study of the Once Daily Combination of Etravirine and Darunavir/Ritonavir As Dual Therapy in Early Treatment-Experienced PatientsCompletedNCT01199939Phase 2Results posted
• Pyronaridine Artesunate-Ritonavir Drug-drug Interaction StudyCompletedNCT01156389Phase 1Results posted
• PRINCE: Study of Atazanavir (ATV)/Ritonavir (RTV)CompletedNCT01099579Phase 3Results posted
• Ritonavir and Lopinavir in Treating Patients With Progressive or Recurrent High-Grade GliomaTerminatedNCT01095094Phase 2Results posted
• A Randomized Study to Evaluate the Safety, Tolerability and Antiviral Activity of ABT-450, ABT-333 and ABT-072CompletedNCT01074008Phase 2Results posted
• Kaletra and Maraviroc in Antiretroviral Therapy (ART)-Naive Patients (KALMAR Study)TerminatedNCT01068873Phase 4Results posted
• Maraviroc Plus Darunavir/Ritonavir for Treatment-Naïve Patients Infected With R5-tropic HIV-1CompletedNCT00993148Phase 2Results posted
• Drug-Drug Interaction Between Colchicine and RitonavirCompletedNCT00983515Phase 1Results posted
• Interventions for HIV Negative Men and Women Who Have High-risk Suspected Exposure to HIVCompletedNCT00949234Phase 2Results posted
• Evaluation of Three Strategies of Second-line Antiretroviral Treatment in Africa (Dakar - Bobo-Dioulasso - Yaoundé)CompletedNCT00928187Phase 3Results posted
• A Safety Study to Evaluate the Antiviral Activity of Darunavir in Combination With Ritonavir in HIV 1 Infected ChildrenCompletedNCT00919854Phase 2Results posted
• A Study to Evaluate Antiviral Activity of Darunavir + Ritonavir in HIV-1 Infected AdolescentsCompletedNCT00915655Phase 2Results posted
• Atazanavir and Lamivudine for Treatment SimplificationCompletedNCT00885482Phase 4Results posted
• Impact of Menstrual Cycle on Antiretroviral Pharmacokinetics in Healthy WomenCompletedNCT00869960Phase 4Results posted
• HIV Viremia and Persistence in Acutely HIV-Infected Patients Treated With Darunavir/Ritonavir and EtravirineTerminatedNCT00855413Phase 4Results posted
• A Single-arm, Open-label, Study to Assess the Pharmacokinetics of Darunavir and Ritonavir, Darunavir and Cobicistat, Etravirine, and Rilpivirine in HIV-1 Infected Pregnant WomenCompletedNCT00855335Phase 3Results posted
• A Study to Determine the Antiviral Activity of TMC310911 When Administered With Ritonavir in Treatment-Naive Human Immunodeficiency Virus - Type 1 (HIV-1) Infected PatientsCompletedNCT00838162Phase 2Results posted
• Drug Interactions Between Voriconazole and Atazanavir Coadministered as Atazanavir/Ritonavir in Healthy ParticipantsCompletedNCT00833482Phase 1Results posted
• An Interaction Study to Assess Drug Levels in Fasting Healthy Adult SubjectsCompletedNCT00802074Not applicableResults posted
• An Interaction Study to Assess Drug Levels in Healthy Adult SubjectsCompletedNCT00764465Phase 2Results posted
• Raltegravir vs. Atazanavir in Combination With Truvada® for the Treatment of Antiretroviral naïve HIV Infected PatientsCompletedNCT00762892Phase 4Results posted
• Raltegravir + Lopinavir/Ritonavir or Emtricitabine/Tenofovir for HIV Treatment Naive SubjectsCompletedNCT00654147Phase 2Results posted
• Drug Interaction StudyCompletedNCT00646776Phase 1Results posted
• Genetic Predictors of Variability in the Drug-drug Interaction Between Darunavir/Ritonavir and PravastatinCompletedNCT00630734Phase 4Results posted
• A Study of Invirase (Saquinavir)/Ritonavir in HIV-Infected Infants and Children.CompletedNCT00623597Phase 2Results posted

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