

DESTINY-Breast09: NCT04784715: Phase 3: Trastuzumab Deruxtecan (T-DXd) With or Without Pertuzumab Versus Taxane, Trastuzumab and Pertuzumab in HER2-positive Metastatic Breast Cancer 1L
First Posted 2020-10-19 Trial status Active, not recruiting Sponsor AstraZeneca Abstract Presentation Meeting Abstract: 2025 ASCO Annual Meeting II Free access Breast Cancer—Metastatic June 04, 2025 Trastuzumab deruxtecan (T-DXd) + pertuzumab (P) vs taxane + trastuzumab + pertuzumab (THP) for first-line (1L) treatment of patients (pts) with human epidermal growth factor receptor 2–positive (HER2+) advanced/metastatic breast cancer (a/mBC): Interim results from DESTINY-Breast0
Dec 31, 2025


TROPION-Breast01: NCT05104866: Phase 3: Dato-DXd Versus Investigator's Choice of Chemotherapy (ICC) Inoperable or Metastatic HR-Positive, HER2-Negative Breast Cancer, treated With 1-2 Prior LOT
First Posted 2021-11-03 Trial status Active, not recruiting Sponsor AstraZeneca Abstract Presentation ESMO 2023 (Annals of Oncology) abstract (LBA11) LBA11 Datopotamab deruxtecan (Dato-DXd) vs chemotherapy in previously-treated inoperable or metastatic hormone receptor-positive, HER2-negative (HR+/HER2–) breast cancer (BC): Primary results from the randomised phase III TROPION-Breast01 trial October 2023 Click here for details AACR 2024 (Cancer Research) abstract (GS02-01) Ab
Dec 15, 2025


HER2CLIMB-05: NCT05132582: Phase 3: Tucatinib or Placebo With Trastuzumab and Pertuzumab for Metastatic HER2+ Breast Cancer
First Posted 2021-11-24 Trial status Active, not recruiting Sponsor Seagen, a wholly owned subsidiary of Pfizer Abstract Presentation Her2climb-05: a randomized, double-blind, phase 3 study of tucatinib versus placebo in combination with trastuzumab and pertuzumab as maintenance therapy for her2+ metastatic breast cancer December 10, 2025 Click here for details Peer-reviewed journal publication HER2CLIMB-05: A Phase III Study of Tucatinib Versus Placebo in Combination With Tr
Dec 15, 2025


ASCENT-05/AFT-65 OptimICE-RD/GBG 119/NSABP B-63: NCT05633654: Phase 3: Sacituzumab Govitecan-hziy and Pembrolizumab Versus Treatment of Physician's Choice in Patients With TNBC
First Posted 2022-11-21 Trial status Recruiting Sponsor Gilead Sciences Abstract Presentation Peer-reviewed journal publication Press Release FDA NCCN NCT05633654: Phase 3: (ASCENT-05/AFT-65 OptimICE-RD/GBG 119/NSABP B-63) Sacituzumab Govitecan-hziy and Pembrolizumab Versus Treatment of Physician's Choice in Patients With TNBC (Study of Sacituzumab Govitecan-hziy and Pembrolizumab Versus Treatment of Physician's Choice in Patients With Triple Negative Breast Cancer Who Hav
Dec 15, 2022


KEYNOTE-522: NCT03036488: Phase 3: Study of Pembrolizumab (MK-3475) Plus Chemo vs Placebo Plus Chemo as Neoadjuvant Therapy and Pembrolizumab vs Placebo as Adjuvant Therapy
First Posted 2017-01-30 Trial status Completed Sponsor Merck Sharp & Dohme LLC Abstract Presentation 2019 San Antonio Breast Cancer Symposium. Abstract GS3-03. Presented December 12, 2019. Schmid P, Park YH, Ferreira M, et al: KEYNOTE-522: Phase 3 study of neoadjuvant pembrolizumab + chemotherapy versus placebo + chemotherapy, followed by adjuvant pembrolizumab versus placebo for early triple-negative breast cancer: Pathologic complete response in key subgroups and by treatm
Dec 15, 2021


HER2CLIMB: NCT02614794: Phase 3: Tucatinib vs. Placebo in Combination With Capecitabine & Trastuzumab in Patients With Advanced HER2+ Breast Cancer
First Posted 2015-11-25 Trial status Completed Sponsor Seagen Inc. Abstract Presentation Phase III HER2CLIMB Trial Yields Positive Data in Patients With HER2-Positive Metastatic Breast Cancer and Brain Metastasis Late-breaking oral presentation, San Antonio Breast Cancer Symposium 2019; results subsequently published in NEJM (2020). Click here for details Peer-reviewed journal publication Tucatinib, Trastuzumab, and Capecitabine for HER2-Positive Metastatic Breast Cancer Dece
Dec 15, 2020