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NEWS

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 settings HERTHENA-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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Daiichi Sankyo
NEWS

Daiichi Sankyo’s Datroway (Datopotamab Deruxtecan) Receives the NMPA’s Approval for Unresectable or Recurrent HR+/HER2- Breast Cancer

Shots: China’s NMPA has approved Datroway for treating adults with HR+/HER2- (IHC 0, IHC 1+ or IHC 2+/ISH-) inoperable or recurrent breast cancer after previous CT Approval was based on P-III (TROPION-Breast01) study assessing Datroway (6mg/kg, IV, Q21D) vs single-agent CT in adults (n=732) with HR+/HER2- metastatic breast cancer Study showed improved PFS by 37%…
August 25, 2025

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Daiichi Sankyo
NEWS

Daiichi Sankyo Reports the MHLW’s Approval of Enhertu for HER2 Low/Ultralow Metastatic Breast Cancer (MBC)

Shots: Japan’s MHLW has approved Enhertu monotx. for inoperable HR+, HER2-low/ultralow MBC whose disease progressed on & are ineligible for endocrine therapy Approval was based on the P-III (DESTINY-Breast06) trial (N=866) assessing Enhertu (5.4mg/kg) vs CT in HER2-low (n=713) & ultralow (n=152) pts Trial showed 38% PFS in CT-naïve HER2-low pts & mPFS of 13.2…
August 25, 2025

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NEWS

Arvinas Reports the US FDA’s NDA Acceptance of Vepdegestrant for ESR1-Mutated Breast Cancer

Shots: The US FDA has accepted NDA of vepdegestrant to treat pts with ESR1-mutated ER+/HER2- advanced or metastatic breast cancer previously treated with endocrine-based therapy (PDUFA: Jun 5, 2026) NDA was backed by P-III (VERITAC-2) trial assessing vepdegestrant alone vs fulvestrant in mentioned pts (n=624) previously treated with CDK4/6 inhibitor + endocrine therapy Trial showed…
August 11, 2025

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Daiichi Sankyo
NEWS

Daiichi Sankyo Receives the US FDA’s Breakthrough Therapy Designation for Enhertu + Perjeta to Treat HER2+ Breast Cancer

Shots: The US FDA has granted BTD to Enhertu + Perjeta for the 1L treatment of adults with unresectable or metastatic HER2+ breast cancer Designation was supported by P-III (DESTINY-Breast09) trial data on Enhertu (5.4mg/kg) ± Perjeta vs taxane, trastuzumab & Perjeta (THP) in HER2+ metastatic breast cancer pts (n=1157) Trial showed improved PFS by 44% (mPFS: 40.7…
July 18, 2025

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Arvinas and Pfizer
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Arvinas and Pfizer Report the US FDA’s NDA Submission of Vepdegestrant for ESR1-Mutated Breast Cancer

Shots: FDA has received NDA of vepdegestrant (ARV-471) to treat pts with ESR1-mutated ER+/HER2- advanced or metastatic breast cancer previously treated with endocrine-based therapy NDA was backed by P-III (VERITAC-2) trial assessing ARV-471 alone vs fulvestrant in mentioned pts (n=624) previously treated with CDK4/6 inhibitor + endocrine therapy Trial showed improved PFS (1EP) by 43%…
June 9, 2025

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Astrazeneca and Daiichi-Sankyo New
NEWS

Daiichi Sankyo and AstraZeneca Report Topline P-III (DESTINY-Breast11) Trial Data of Neoadjuvant Enhertu for HER2+ Early-Stage Breast Cancer

Shots: Daiichi Sankyo & AstraZeneca has reported topline P-III (DESTINY-Breast11) trial data assessing neoadj. Enhertu (5.4mg/kg) monotx. or Enhertu followed by paclitaxel, Herceptin & Perjeta (THP) vs SoC + THP in high-risk, locally advanced HER2+ early-stage breast cancer pts (n=927) Trial showed that Enhertu regimen achieved significant improvement in pCR rate (1EP), while EFS (2EP) data was…
May 7, 2025

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