Study of Pembrolizumab (MK-3475) Plus Chemotherapy Versus Placebo Plus Chemotherapy for HR+/HER2- Locally Recurrent Inoperable or Metastatic Breast Cancer (MK-3475-B49/KEYNOTE-B49)
A phase 3 trial of Pembrolizumab, Doxorubicin and Capecitabine in advanced solid tumours, run by Merck Sharp & Dohme LLC, active and no longer recruiting.
Overview
Study of Pembrolizumab (MK-3475) Plus Chemotherapy Versus Placebo Plus Chemotherapy for HR+/HER2- Locally Recurrent Inoperable or Metastatic Breast Cancer (MK-3475-B49/KEYNOTE-B49) is a phase 3 interventional study registered as NCT04895358 by Merck Sharp & Dohme LLC, with 342 participants enrolled, started 2021-06-18 and due to reach its primary completion in 2026-04-24. Interventions recorded: pembrolizumab, paclitaxel, nab-paclitaxel, liposomal doxorubicin, capecitabine and normal saline.
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