- Conditions
- COVID-19
- Interventions
- nirmatrelvir, ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 0 Years to 17 Years
- Enrollment
- 160 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 50
- States / cities
- Phoenix, Arizona • Los Angeles, California • Washington D.C., District of Columbia + 32 more
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 28
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Hepatic Impairment
- Interventions
- PF-07321332, Ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 2
- States / cities
- Tustin, California • Saint Paul, Minnesota
- Conditions
- Biological Availability, Healthy Participants
- Interventions
- Nirmatrelvir/ ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Long COVID-19, Long COVID
- Interventions
- Paxlovid, Ritonavir, Nirmatrelvir-matching placebo
- Drug
- Lead sponsor
- Kanecia Obie Zimmerman
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 964 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Healthy Participants
- Interventions
- Dabigatran, PF-07321332/ritonavir + Dabigatran, Ritonavir + Dabigatran
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Hollywood, Florida
- Conditions
- Long COVID, Long Covid19
- Interventions
- Experimental: Paxlovid 25 day dosing, Experimental: Paxlovid 15 day dosing, Placebo Comparator: Control
- Drug
- Lead sponsor
- Kanecia Obie Zimmerman
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 963 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 68
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 51 more
- Conditions
- Bioavailability
- Interventions
- PF-07321332/ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Bioavailability
- Interventions
- PF-07321332/ritonavir, PF-07321332
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- COVID-19, Long Haul
- Interventions
- Ritonavir-Boosted Nirmatrelvir (Paxlovid), Physiological Evaluation, Moderna COVID-19 Vaccine, Biopsychological, Behavioral (e.g., Psychotherapy, Lifestyle Counseling), Genetic (including gene transfer, stem cell and recombinant DNA), Multidisciplinary approach
- Drug · Diagnostic Test · Biological + 3 more
- Lead sponsor
- Well- Konnect Healthcare Services and Research Firm
- Network
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2030
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- COVID-19
- Interventions
- PF-07321332 (nirmatrelvir)/ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 52
- States / cities
- Huntsville, Alabama • Granada Hills, California • Inglewood, California + 26 more
- Conditions
- COVID-19, SARS-CoV-2 Infection, RSV, Influenza
- Interventions
- Not listed
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 400,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Long COVID
- Interventions
- Nirmatrelvir, Ritonavir, Placebo
- Drug
- Lead sponsor
- Harlan M Krumholz
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Post-acute Sequelae of SARS-CoV-2 Infection, Long COVID
- Interventions
- Nirmatrelvir, Placebo, Ritonavir
- Drug
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 168 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Healthy Participants
- Interventions
- PF-07321332/ritonavir, Ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- COVID-19
- Interventions
- nirmatrelvir-ritonavir, No treatment
- Drug · Other
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 99,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- COVID-19
- Interventions
- PF-07321332, Ritonavir, Placebo
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 2,091 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 73
- States / cities
- Pelham, Alabama • Mesa, Arizona • Tucson, Arizona + 46 more
- Conditions
- Community-acquired Pneumonia, Influenza, COVID-19
- Interventions
- Ceftriaxone, Moxifloxacin or Levofloxacin, Piperacillin-tazobactam, Ceftaroline, Amoxicillin-clavulanate, Standard course macrolide, Extended course macrolide, No systemic corticosteroid, Fixed-duration Hydrocortisone, Shock-dependent hydrocortisone, Fixed-duration higher dose Hydrocortisone, No antiviral agent for influenza, Five-days oseltamivir, Ten-days oseltamivir, No antiviral agent for COVID-19, Lopinavir / Ritonavir, Hydroxychloroquine, Hydroxychloroquine + lopinavir/ritonavir, Ivermectin, No immune modulation for COVID-19, Interferon beta-1a, Anakinra, Tocilizumab, Sarilumab, Local standard venous thromboprophylaxis, Therapeutic dose anticoagulation, Conventional low dose thromboprophylaxis, Intermediate dose thromboprophylaxis, Continuation of therapeutic dose anticoagulation, No immunoglobulin, Convalescent plasma, Delayed administration of convalescent plasma, No vitamin C, Vitamin C, No antiplatelet, Aspirin, P2Y12 inhibitor, No simvastatin, Simvastatin, Eritoran, Apremilast, Clinician-preferred mechanical ventilation strategy, Protocolised mechanical ventilation strategy, No renin-angiotensin system inhibitor, Angiotensin converting enzyme inhibitor, Angiotensin Receptor Blockers, ARB + DMX-200, No cysteamine, Cysteamine, Fixed-duration dexamethasone, Baloxavir Marboxil, Five-days oseltamivir + baloxavir marboxil, Ten-days oseltamivir + baloxavir marboxil, No endothelial modulator, Imatinib, No Immune Modulator for Influenza, Baricitinib, Nirmatrelvir/ritonavir, Remdesivir, Nirmatrelvir/ritonavir + remdesivir
- Drug · Other · Biological + 1 more
- Lead sponsor
- UMC Utrecht
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2028
- U.S. locations
- 11
- States / cities
- Jacksonville, Florida • Augusta, Georgia • Chicago, Illinois + 8 more
- Conditions
- Renal Impairment
- Interventions
- PF-07321332/ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 5
- States / cities
- Tustin, California • Miami, Florida • Tampa, Florida + 1 more
- Conditions
- COVID-19
- Interventions
- nirmatrelvir, ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 13
- States / cities
- Birmingham, Alabama • Cutler Bay, Florida • DeBary, Florida + 6 more
- Conditions
- COVID-19
- Interventions
- PF-07321332, Placebo for PF-07321332, Placebo for Ritonavir, Ritonavir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 2,954 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 64
- States / cities
- Pelham, Alabama • Tucson, Arizona • Fullerton, California + 36 more
- Conditions
- Healthy Participant
- Interventions
- PF 07321332/ritonavir, Carbamazepine
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), Coronavirus Disease 2019 (COVID-19), Immunocompromised, Hospitalization, Child, Hospitalized
- Interventions
- Nirmatrelvir, Ritonavir, Placebo for nirmatrelvir
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 12 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 2
- States / cities
- Cooperstown, New York • New York, New York
- Conditions
- Post-acute Sequelae of COVID-19, Long COVID
- Interventions
- Valacyclovir, Celecoxib, Paxlovid, Placebo
- Drug
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- COVID-19
- Interventions
- PF-07321332, Ritonavir, Placebo
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,440 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 78
- States / cities
- Pelham, Alabama • Mesa, Arizona • Scottsdale, Arizona + 51 more