Safety Analysis of Brentuximab Vedotin from the Phase III AETHERA Trial in Hodgkin Lymphoma in the Post-Transplant Consolidation Setting. Journal Article

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Authors: Nademanee, A; Sureda, A; Stiff, P; Holowiecki, J; Abidi, M; Hunder, N; Pecsok, M; Uttarwar, M; Purevjal, I; Sweetenham, J
Article Title: Safety Analysis of Brentuximab Vedotin from the Phase III AETHERA Trial in Hodgkin Lymphoma in the Post-Transplant Consolidation Setting.
Abstract: The phase III AETHERA trial demonstrated the efficacy of brentuximab vedotin (BV) as consolidation therapy in patients with classical Hodgkin lymphoma (HL) at high risk of relapse or progression after autologous hematopoietic stem cell transplantation (auto-HSCT; hazard ratio,?.57; P?.001). The objective of this analysis is to provide further detail on the most common and clinically important treatment-emergent adverse events (AEs) in the AETHERA BV arm including their occurrence and management. AEs of clinical importance occurring in patients who participated in AETHERA (BV?+?best supportive care [BSC], n?=?165; placebo?+?BSC, n?=?164) were evaluated for time to onset, manageability through dose modification, and resolution. As previously reported, peripheral neuropathy (PN; 67%), infections (60%), and neutropenia (35%) were the most common BV-associated treatment-emergent AEs. Neutropenia was managed with dose delays and granulocyte colony-stimulating factor; no dose reductions or discontinuations were required. Most PN cases (57%) were managed with dose delays and reductions. The median time to PN onset was 13.7 weeks (range, .1 to 47.4). After the end of treatment, PN continued to resolve; symptom resolution was similar to that in the placebo arm at 3 years, demonstrating reversibility. BV had no significant impact on pre-existing PN. Patients with PN-related dose modifications had progression-free survival (PFS) comparable with patients without. Other less common but serious AEs, including pulmonary toxicities, hepatotoxicity, and cardiotoxicity, were rare in both arms and were managed with BV dose modifications or discontinuations. Secondary malignancies were rare and reported in patients with comorbidities or other risk factors. Consolidation therapy with BV for patients with HL at high risk of relapse after auto-HSCT is associated with sustained PFS. The most common AEs in the BV arm were manageable and reversible. Awareness of these AEs and management approaches will enable healthcare providers and patients to plan the safest and most effective treatment plan.
Journal Title: Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation
ISSN: 1523-6536; 1083-8791
Publisher: Elsevier Inc  
Date Published: 2018