A Study to Learn How Paxlovid [Nirmatrelvir-ritonavir/PF-07321332] Works in COVID-19 Patients Who Are Elderly or Have Medical Conditions.
Public ClinicalTrials.gov record NCT07261085. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A REAL-WORLD STUDY ON THE EFFECTIVENESS OF NIRMATRELVIR-RITONAVIR IN REDUCING SEVERE OUTCOMES FROM COVID-19
Study identification
- NCT ID
- NCT07261085
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 99,000 participants
Conditions and interventions
Conditions
Interventions
- nirmatrelvir-ritonavir Drug
- No treatment Other
Drug · Other
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 26, 2025
- Primary completion
- Feb 25, 2026
- Completion
- Feb 25, 2026
- Last update posted
- Jun 28, 2026
2025 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer New York | New York | New York | 10001 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT07261085, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 28, 2026 · Synced Jul 24, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT07261085 live on ClinicalTrials.gov.