Six-year safety and efficacy results from the CHRONOS-1 study of the PI3K inhibitor copanlisib in patients with relapsed or refractory follicular lymphoma.
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Le résumé fourni par la source
7555 Background: The efficacy of copanlisib, an intravenous pan-class I phosphatidylinositol 3-kinase (PI3K) inhibitor, was demonstrated in the Phase II CHRONOS-1 study in patients with relapsed or refractory indolent B-cell lymphoma (Dreyling et al. J Clin Oncol 2017). Copanlisib was approved by the US Food and Drug Administration in 2017 for the treatment of patients with follicular lymphoma (FL) who have received ≥2 therapies. Here, we describe updated efficacy and safety data from patients with FL at the 6-year follow-up of CHRONOS-1. Methods: CHRONOS-1 included patients with relapsed or refractory indolent FL (grades 1-3a) who had received ≥2 lines of therapy. Copanlisib 60 mg was administered via intravenous infusion on days 1, 8, and 15 of a 28-day cycle. Objective tumor response rate (ORR) was assessed by independent radiologic review (Cheson et al. J Clin Oncol 2007) as the primary efficacy endpoint. Safety analysis included adverse events graded using CTCAE v4.03. Results: 104 patients with FL were treated in CHRONOS-1, of whom 99.0% ( n= 103) discontinued treatment at the time of database cut-off on June 30, 2022. 72% of patients ( n= 75) received ≥1 line of subsequent systemic anti-cancer therapy during follow-up, with 40% receiving a rituximab-based regimen. At the cut-off, ORR (primary endpoint) was 57.7% ( n= 60), with 19.2% ( n= 20) of patients achieving a complete response. Median duration of response was 12.2 months (range 1.1-48.1). Median progression-free survival (PFS) was 11.2 months (range 0.2-51.5) with a median follow-up of 20.7 months (95% confidence interval [CI] 11.5, 31.5); PFS rate was 32% at 2 years. Median overall survival was 46.3 months (range 0.7-82.9) with a total of 56 events and a median follow-up of 82.4 months (95% CI 79.3, 84.9); survival rate was 43% at 6 years. Median duration of treatment was 6.0 months (range 0.23-80.9). No patients experienced transformation to aggressive lymphoma (diffuse large B-cell lymphoma). The primary reasons for stopping treatment included radiologic disease progression (42.3%; n= 44) and adverse events not associated with clinical disease progression (29.8%; n= 31). The safety profile was consistent with the reported 2-year follow-up data (Dreyling et al. Am J Hematol 2020). The most common treatment-emergent adverse events (all grades/grades 3-4) were infusion-related hyperglycemia (50.0%/39.5%), diarrhea (36.5%/8.7%), hypertension (28.8%/23.1%), pyrexia (27.9%/4.8%), and neutropenia (26.0%/23.0%). Conclusions: Copanlisib continued to induce robust response and durable survival in patients with relapsed or refractory indolent FL at 6 years of follow-up. Copanlisib was well tolerated, with no new safety signals and no evidence of malignant transformation. These results further support the long-term use of copanlisib in this patient population. Clinical trial information: NCT01660451 .
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Six-year safety and efficacy results from the CHRONOS-1 study of the PI3K inhibitor copanlisib in patients with relapsed or refractory follicular lymphoma.
- Date Crossref
- 01/06/2023
- Éditeur
- American Society of Clinical Oncology (ASCO)
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
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LMU Klinikum pays non établi dans la noticeÉtablissement de santé
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Ludwig-Maximilians-Universität München pays non établi dans la noticeUniversité ou école supérieure
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Humanitas University IRCCS Humanitas Research Hospital pays non établi dans la noticeUniversité ou école supérieure
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LMU Klinikum, Ludwig-Maximilians-Universität München et IRCCS Humanitas Research Hospital — Humanitas University, avec 9 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.