Nirmatrelvir-Ritonavir and Symptoms in Adults With Postacute Sequelae of SARS-CoV-2 Infection

DOI record: { "DOI": "10.1001/jamainternmed.2024.2007", "ISSN": [ "2168-6106" ], "URL": "http://dx.doi.org/10.1001/jamainternmed.2024.2007", "abstract": "<jats:sec><jats:title>Importance</jats:title><jats:p>There is an urgent need to identify treatments for postacute sequelae of SARS-CoV-2 infection (PASC).</jats:p></jats:sec><jats:sec><jats:title>Objective</jats:title><jats:p>To assess the efficacy of a 15-day course of nirmatrelvir-ritonavir in reducing the severity of select PASC symptoms.</jats:p></jats:sec><jats:sec><jats:title>Design, Setting, and Participants</jats:title><jats:p>This was a 15-week blinded, placebo-controlled, randomized clinical trial conducted from November 2022 to September 2023 at Stanford University (California). The participants were adults with moderate to severe PASC symptoms of 3 months or longer duration.</jats:p></jats:sec><jats:sec><jats:title>Interventions</jats:title><jats:p>Participants were randomized 2:1 to treatment with oral nirmatrelvir-ritonavir (NMV/r, 300 mg and 100 mg) or with placebo-ritonavir (PBO/r) twice daily for 15 days.</jats:p></jats:sec><jats:sec><jats:title>Main Outcomes and Measures</jats:title><jats:p>Primary outcome was a pooled severity of 6 PASC symptoms (fatigue, brain fog, shortness of breath, body aches, gastrointestinal symptoms, and cardiovascular symptoms) based on a Likert scale score at 10 weeks. Secondary outcomes included symptom severity at different time points, symptom burden and relief, patient global measures, Patient-Reported Outcomes Measurement Information System (PROMIS) measures, orthostatic vital signs, and sit-to-stand test change from baseline.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Of the 155 participants (median [IQR] age, 43 [34-54] years; 92 [59%] females), 102 were randomized to the NMV/r group and 53 to the PBO/r group. Nearly all participants (n = 153) had received the primary series for COVID-19 vaccination. Mean (SD) time between index SARS-CoV-2 infection and randomization was 17.5 (9.1) months. There was no statistically significant difference in the model-derived severity outcome pooled across the 6 core symptoms at 10 weeks between the NMV/r and PBO/r groups. No statistically significant between-group differences were found at 10 weeks in the Patient Global Impression of Severity or Patient Global Impression of Change scores, summative symptom scores, and change from baseline to 10 weeks in PROMIS fatigue, dyspnea, cognitive function, and physical function measures. Adverse event rates were similar in NMV/r and PBO/r groups and mostly of low grade.</jats:p></jats:sec><jats:sec><jats:title>Conclusions and Relevance</jats:title><jats:p>The results of this randomized clinical trial showed that a 15-day course of NMV/r in a population of patients with PASC was generally safe but did not demonstrate a significant benefit for improving select PASC symptoms in a mostly vaccinated cohort with protracted symptom duration. Further studies are needed to determine the role of antivirals in the treatment of PASC.</jats:p></jats:sec><jats:sec><jats:title>Trial Registration</jats:title><jats:p>ClinicalTrials.gov Identifier: <jats:ext-link xmlns:xlink=\"http://www.w3.org/1999/xlink\" ext-link-type=\"uri\" xlink:href=\"https://classic.clinicaltrials.gov/ct2/show/NCT05576662\">NCT05576662</jats:ext-link></jats:p></jats:sec>", "author": [ { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Geng", "given": "Linda N.", "sequence": "first" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Bonilla", "given": "Hector", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Hedlin", "given": "Haley", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" }, { "name": "Kaiser Permanente Northern California Division of Research, Oakland" } ], "family": "Jacobson", "given": "Karen B.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Biomedical Data Science, Stanford School of Medicine, Stanford, California" } ], "family": "Tian", "given": "Lu", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Jagannathan", "given": "Prasanna", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Yang", "given": "Phillip C.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Subramanian", "given": "Aruna K.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Liang", "given": "Jane W.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Shen", "given": "Sa", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Deng", "given": "Yaowei", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Shaw", "given": "Blake J.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Botzheim", "given": "Bren", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Desai", "given": "Manisha", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Pathak", "given": "Divya", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Jazayeri", "given": "Yasmin", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Thai", "given": "Daniel", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "O’Donnell", "given": "Andrew", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Mohaptra", "given": "Sukanya", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Leang", "given": "Zenita", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University School of Medicine, Stanford, California" } ], "family": "Reynolds", "given": "Gabriella Z. 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