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A randomized controlled trial of presatovir for respiratory syncytial virus after lung transplant.
A randomized controlled trial of presatovir for respiratory syncytial virus after lung transplant. The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation Gottlieb, J., Torres, F., Haddad, T., Dhillon, G., Dilling, D. F., Knoop, C., Rampolla, R., Walia, R., Ahya, V., Kessler, R., Budev, M., Neurohr, C., Glanville, A. R., Jordan, R., Porter, D., McKevitt, M., German, P., Guo, Y., Chien, J. W., Watkins, T. R., Zamora, M. R. 2023Abstract
Respiratory syncytial virus (RSV) infection in lung transplant recipients is associated with high morbidity. This study evaluated the RSV fusion inhibitor presatovir in RSV-infected lung transplant recipients.In this international Phase 2b, randomized, double-blind, placebo-controlled trial (NCT02534350), adult lung transplant recipients with symptomatic confirmed RSV infection for =7 days received oral presatovir 200 mg on day 1 and 100 mg daily on days 2 to 14, or placebo (2:1), with follow-up through day 28. There were 2 coprimary endpoints: time-weighted average change in nasal RSV load from day 1 to 7, calculated from nasal swabs, in the full analysis set ([FAS]; all patients who received study drug and had quantifiable baseline nasal RSV load) and time-weighted average change in nasal RSV load from day 1 to 7 in the subset of patients with pretreatment symptom duration at the median or shorter of the FAS. Secondary endpoints were changes in respiratory infection symptoms assessed using the Influenza Patient-Reported Outcomes questionnaire and lung function measured by spirometry.Sixty-one patients were randomized, 40 received presatovir, 20 placebo, and 54 were included in efficacy analyses. Presatovir did not significantly improve the primary endpoint in the FAS (treatment difference [95% CI], 0.10 [-0.43, 0.63] log10 copies/ml; p = 0.72) or the shorter symptom-duration subgroup (-0.12 [-0.94, 0.69] log10 copies/ml; p = 0.76). Secondary endpoints were not different between presatovir and placebo groups. Presatovir was generally well tolerated.Presatovir treatment did not significantly improve change in nasal RSV load, symptoms, or lung function in lung transplant recipients.
View details for DOI 10.1016/j.healun.2023.01.013
View details for PubMedID 36964084