Nirmatrelvir-Ritonavir and Symptoms in Adults With Postacute Sequelae of SARS-CoV-2 Infection
MD, PhD Linda N Geng, MD Hector Bonilla, PhD Haley Hedlin, MD Karen B Jacobson, DSc Lu Tian, MD Prasanna Jagannathan, MD Phillip C Yang, MD Aruna K Subramanian, PhD Jane W Liang, PhD Sa Shen, MA Yaowei Deng, MS Blake J Shaw, MS Bren Botzheim, PhD Manisha Desai, MS Divya Pathak, MPH Yasmin Jazayeri, BS Daniel Thai, Andrew O’donnell, BS Sukanya Mohaptra, BS Zenita Leang, BS Gabriella Z M Reynolds, MS Erin F Brooks, MD Ami S Bhatt, PhD Robert W Shafer, MD Mitchell G Miglis, MD Tom Quach, Anushri Tiwari, PhD Anindita Banerjee, MPH Rene N Lopez, PhD Magdia De Jesus, MD Lawrence R Charnas, PhD Paul J Utz, MD Upinder Singh
JAMA Internal Medicine, doi:10.1001/jamainternmed.2024.2007
IMPORTANCE There is an urgent need to identify treatments for postacute sequelae of SARS-CoV-2 infection (PASC). OBJECTIVE To assess the efficacy of a 15-day course of nirmatrelvir-ritonavir in reducing the severity of select PASC symptoms.
DESIGN, SETTING, AND PARTICIPANTS 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. INTERVENTIONS Participants were randomized 2:1 to treatment with oral nirmatrelvirritonavir (NMV/r, 300 mg and 100 mg) or with placebo-ritonavir (PBO/r) twice daily for 15 days.
MAIN OUTCOMES AND MEASURES 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.
RESULTS 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.
CONCLUSIONS AND RELEVANCE 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.
Author Contributions: Drs Geng and Singh had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Drs Bonilla, Hedlin, and Jacobson contributed equally. Concept and design: Geng, Bonilla, Hedlin, Jacobson, Jagannathan, Yang, Subramanian, Liang, Desai, Pathak, Banerjee, Lopez, De Jesus, Utz, Singh. Acquisition, analysis, or interpretation of data: Geng, Bonilla, Hedlin, Jacobson, Tian, Jagannathan, Yang, Subramanian, Liang, Shen, Deng, Shaw, Botzheim, Desai, Jazayeri, Thai, O'Donnell, Mohapatra, Leang, Reynolds, Brooks, Bhatt, Shafer, Miglis, Quach, Tiwari, Lopez, Charnas, Singh. Drafting of the manuscript: Geng, Bonilla, Hedlin, Jacobson, Tian, Liang, Shaw, Jazayeri, Thai, Reynolds, Brooks, Bhatt, De Jesus, Charnas, Singh. Critical review of the manuscript for important intellectual content: Geng, Bonilla, Hedlin, Jacobson, Jagannathan, Yang, Subramanian, Liang, Shen, Deng, Shaw, Botzheim, Desai, Pathak, Jazayeri, O'Donnell, Mohapatra, Leang, Shafer, Miglis, Quach, Tiwari, Banerjee, Lopez, De Jesus, Charnas, Utz, Singh.
Conflict of
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'ISSN': ['2168-6106'],
'subject': [],
'container-title-short': 'JAMA Intern Med',
'published': {'date-parts': [[2024, 6, 7]]}}