Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Pfizer
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Inclusion
Record of at least 1 nirmatrelvir-ritonavir prescription and at least 1 dispensation issued by the pharmacist (Treated Cohort only) within 5 days of prescription, identified through pharmacy billing codes
Record of at least 1 assessment for nirmatrelvir-ritonavir, without a prescription issued by the pharmacist (Untreated Cohort only), OR record of at least 1 prescription for nirmatrelvir-ritonavir without dispensation (Untreated Cohort only), identified through pharmacy billing codes
Exclusion
Invalid or incomplete records (e.g., missing age, missing sex, death before index)
Record of a positive PCR test for SARS-CoV-2 between 5 and 90 days prior to the index date
Had a prescription for antivirals within 3 days prior to or on the index date
Clareo Health | A Study to Learn How Paxlovid [Nirmatrelvir-ritonavir/PF-07321332] Works in COVID-19 Patients Who Are Elderly or Have Medical Conditions.