Patient Reported Outcomes
Yu W. · Geng M. · Hao J. · Yan Z. · Mi J.-Q.
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Article / Publication Details
Abstract
Introduction: Despite the promising clinical trial data regarding programmed death 1 (PD-1) inhibitors in relapsed/ refractory classical Hodgkin lymphoma (R/R cHL), there remains a paucity of studies describing the outcomes of patients in a real-world setting, especially for Asian cohort.
Methods: We present a multicenter retrospective analysis of patients with R/R cHL who had failed ≥2 prior lines of therapies and received Sintilimab or Tislelizumab developed in China (sintilimab or tislelizumab) monotherapy at 3 medical centers from January 2019 to September 2021. Efficacy was evaluated with progression-free survival (PFS), overall survival (OS), duration of response (DOR), best overall response (BOR) including objective response rate (ORR), complete response rate (CRR). Safety data were also recorded.
Results: 74 patients were reviewed. The median age was 38 years (range, 14-85 years). The ORR, CRR and disease control rate (DCR) were 78.3%, 52.7% and 91.9%, respectively. The median duration of follow-up was 22 (4–36) months. Four patients (5.4%) died of disease progression. The median PFS and DOR was 22.1 and 23.5 months. BOR as a new emergent endpoint, was found to be the only independent prognostic factor for PFS in our study (HR=6.234, p=0.005), suggesting this endpoint carries stronger prognostic value over traditional endpoints in the immunotherapy era. 66 (89.2%) patients reported adverse event (AE) with any grade, with the majority of AEs being grade 1 or 2.
Discussion/Conclusion: We presented an unique real-life experience and conducted a relatively long follow up of PD-1 antibodies developed in China for R/R HL patients which confirmed their promising effectiveness and manageable side effects given in real world in an Asian cohort. Even for those who would usually be excluded in most of clinical trials such as elderly or minor patients, anti-PD-1 monotherapy also showed a significant improvement of outcomes. Furthermore, the depth of response seemed to be a more powerful predictive tool in new era, which might serve as a basis for future immune risk-adapted strategies.
S. Karger AG, Basel
Article / Publication Details
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