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Key clinical point: In patients with platinum-pretreated advanced triple-negative breast cancer (TNBC), a chemotherapy-free maintenance regimen containing olaparib with or without durvalumab vs continued platinum-based chemotherapy led to a greater improvement in progression-free survival (PFS) with no new safety signals.
Major finding: The median PFS was 4.0 months with olaparib and 6.1 months with olaparib + durvalumab, with both treatments providing greater PFS benefit than the historical control of continued platinum-based therapy (P = .0023 and P < .0001, respectively). No treatment-related deaths or new safety signals were reported.
Study details: Findings are from the phase 2 DORA trial which included 45 patients with advanced TNBC who had stable disease or complete or partial response after receiving platinum-based chemotherapy and were randomly assigned to receive olaparib or olaparib + durvalumab.
Disclosures: This study was supported by AstraZeneca Pharmaceuticals LP. Some authors declared receiving honoraria, research funding, or fees; owning stocks; or having other ties with AstraZeneca and various other sources.
Source: Tan TJ, Sammons S, Im YH, et al. Phase II DORA study of olaparib with or without durvalumab as a chemotherapy-free maintenance strategy in platinum-pretreated advanced triple-negative breast cancer. Clin Cancer Res. 2024 (Jan 18). doi: 10.1158/1078-0432.CCR-23-2513 Source
Key clinical point: In patients with platinum-pretreated advanced triple-negative breast cancer (TNBC), a chemotherapy-free maintenance regimen containing olaparib with or without durvalumab vs continued platinum-based chemotherapy led to a greater improvement in progression-free survival (PFS) with no new safety signals.
Major finding: The median PFS was 4.0 months with olaparib and 6.1 months with olaparib + durvalumab, with both treatments providing greater PFS benefit than the historical control of continued platinum-based therapy (P = .0023 and P < .0001, respectively). No treatment-related deaths or new safety signals were reported.
Study details: Findings are from the phase 2 DORA trial which included 45 patients with advanced TNBC who had stable disease or complete or partial response after receiving platinum-based chemotherapy and were randomly assigned to receive olaparib or olaparib + durvalumab.
Disclosures: This study was supported by AstraZeneca Pharmaceuticals LP. Some authors declared receiving honoraria, research funding, or fees; owning stocks; or having other ties with AstraZeneca and various other sources.
Source: Tan TJ, Sammons S, Im YH, et al. Phase II DORA study of olaparib with or without durvalumab as a chemotherapy-free maintenance strategy in platinum-pretreated advanced triple-negative breast cancer. Clin Cancer Res. 2024 (Jan 18). doi: 10.1158/1078-0432.CCR-23-2513 Source
Key clinical point: In patients with platinum-pretreated advanced triple-negative breast cancer (TNBC), a chemotherapy-free maintenance regimen containing olaparib with or without durvalumab vs continued platinum-based chemotherapy led to a greater improvement in progression-free survival (PFS) with no new safety signals.
Major finding: The median PFS was 4.0 months with olaparib and 6.1 months with olaparib + durvalumab, with both treatments providing greater PFS benefit than the historical control of continued platinum-based therapy (P = .0023 and P < .0001, respectively). No treatment-related deaths or new safety signals were reported.
Study details: Findings are from the phase 2 DORA trial which included 45 patients with advanced TNBC who had stable disease or complete or partial response after receiving platinum-based chemotherapy and were randomly assigned to receive olaparib or olaparib + durvalumab.
Disclosures: This study was supported by AstraZeneca Pharmaceuticals LP. Some authors declared receiving honoraria, research funding, or fees; owning stocks; or having other ties with AstraZeneca and various other sources.
Source: Tan TJ, Sammons S, Im YH, et al. Phase II DORA study of olaparib with or without durvalumab as a chemotherapy-free maintenance strategy in platinum-pretreated advanced triple-negative breast cancer. Clin Cancer Res. 2024 (Jan 18). doi: 10.1158/1078-0432.CCR-23-2513 Source