Adenovirus Clinical Trial
Official title:
Study to Assess the Safety, Overall Tolerability, and Antiviral Activity of Brincidofovir Versus Standard of Care for Treatment of Adenovirus in High-risk Pediatric Allogeneic Hematopoietic Transplant Recipients
This study was designed to assess the safety, overall tolerability, and antiviral activity of "short course" brincidofovir (BCV) therapy, as compared with current standard of care (SoC), for the treatment of adenovirus (AdV) infections in high-risk (i.e., T cell depleted) pediatric allogeneic hematopoietic cell transplant (HCT) recipients. A virologic response-driven approach to the duration of treatment was to be evaluated, in which subjects randomized to BCV therapy were to be treated until AdV viremia was confirmed as undetectable or until a maximum of 16 weeks of therapy, whichever occurred first. The formulation of BCV used in this study was oral tablet/suspension.
This was a randomized, open-label, multi-center study of the safety, overall tolerability, and antiviral activity of BCV, as compared with SoC, in pediatric (and young adults in the United States) recipients of high-risk (i.e., T cell-depleted and/or unrelated cord blood graft, or a T cell-replete graft from ahaploidentical donor with post-transplant cyclophosphamide administration) allogeneic HCT. Subjects with AdV detected in plasma after their qualifying transplant could be screened for participation in the study. Subjects who met all applicable entry criteria were randomized in a 2:1 ratio to receive either BCV or SoC (i.e., investigator-assigned therapy). The formulation of BCV used in this study was oral tablet/suspension. Subjects were randomized within 100 days post-transplant; for study purposes, the day of randomization was defined as Day 1. During randomization, subjects were stratified based on the following variables: last AdV viremia (≥10,000 copies/mL versus <10,000 copies/mL) measurement available from the designated central virology laboratory prior to randomization, time from transplant to randomization (≥28 days versus <28 days), and T cell-depletion methodology (receipt of alemtuzumab or ex vivo depletion versus receipt of anti-thymocyte globulin [ATG] or no T cell depletion). ;
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