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Daiichi Sankyo and Merck Report the P-II Study Data for Raludotatug Deruxtecan in Pt.-Resistant Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

Shots:Daiichi Sankyo and Merck reported efficacy results for raludotatug deruxtecan (R-DXd) in patients with recurrent Pt.-resistant ovarian, primary peritoneal, or fallopian tube cancer from the P-II (dose-optimization) part of the REJOICE-Ovarian01 P-II/III studyAcross all doses (4.8 mg/kg, 5.6 mg/kg, and 6.4 mg/kg), ORR was 50.5% (n=107) as assessed by BICR, with 3 complete…
October 21, 2025

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Merck and Daiichi Sankyo’s Raludotatug deruxtecan Receives FDA’s Breakthrough Therapy Designation for Ovarian, Primary Peritoneal, or Fallopian Tube Cancers 

Shots:The US FDA has granted BTD to Raludotatug deruxtecan (R-DXd) for the treatment of adults with Pt-resistant epithelial ovarian, primary peritoneal or fallopian tube cancers expressing CDH6 who have received prior treatment with AvastinDesignation was based on P-I trial (n=179) & the ongoing P-II/III (REJOICE-Ovarian01) trial (n=~710), with subgroup analysis of P-I presented at…
September 16, 2025

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Daiichi Sankyo and Merck Dose First Patient in P-III (HERTHENA-Breast04) Trial of Patritumab Deruxtecan to Treat HR+/HER2- Breast Cancer

Shots:The first patient is dosed in P-III (HERTHENA-Breast04) trial (n=~1000) of patritumab deruxtecan (HER3-DXd; 5.6mg/kg) vs CT/Enhertu for unresectable LA/M, HR+, HER2- breast cancer after progression on endocrine & CDK4/6 inhibitor therapy in either adjuvant or 1L metastatic settingsHERTHENA-Breast04 was initiated based on findings from P-II (ICARUS-Breast01) & a P-I/II breast cancer study published…
August 28, 2025

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