New hope for advanced breast cancer: experimental combo enters phase 3 trial

NCT ID NCT05909397

First seen Feb 12, 2026 · Last updated May 15, 2026 · Updated 12 times

Summary

This study tests a new medicine called vepdegestrant combined with palbociclib for people with advanced ER+/HER2- breast cancer that cannot be cured by surgery. It compares this new combo to the standard treatment of letrozole plus palbociclib. Participants take pills by mouth once daily until their cancer worsens or side effects become too severe. The goal is to see if the new combo works better at delaying cancer growth.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • Aichi Cancer Center Hospital

    Nagoya, Aichi-ken, 464-8681, Japan

  • BRCR Global

    Plantation, Florida, 33322, United States

  • BRCR Medical Center Inc

    Plantation, Florida, 33322, United States

  • Barwon Health

    Geelong, Victoria, 3220, Australia

  • Cancer Hospital Chinese Academy of Medical Science

    Beijing, Beijing Municipality, 100021, China

  • Cancer Research SA

    Adelaide, South Australia, 5000, Australia

  • Centro Gaucho Integrado De Oncologia, Hematologia, Ensino E Pesquisa

    Porto Alegre, Rio Grande do Sul, 90110-270, Brazil

  • Centro de Pesquisa Clínica - Área Administrativa

    Porto Alegre, Rio Grande do Sul, 90850-170, Brazil

  • Complejo Hospitalario de Jaén

    Jaén, JAÉN, 23007, Spain

  • Debreceni Egyetem Klinikai Kozpont

    Debrecen, 04032, Hungary

  • Fakultna nemocnica s poliklinikou J.A. Reimana Presov

    Prešov, 080 01, Slovakia

  • Fondazione IRCCS San Gerardo dei Tintori

    Monza, Lombardy, 20900, Italy

  • Hospital Clinico San Carlos

    Madrid, 28040, Spain

  • Hospital Mae de Deus

    Porto Alegre, Rio Grande do Sul, 90880-480, Brazil

  • Hospital Santa Rita de Cassia

    Vitória, Espírito Santo, 29043-260, Brazil

  • Hospital Universitari Dexeus

    Barcelona, Catalunya [cataluña], 08028, Spain

  • Hospital Universitario Virgen de la Victoria

    Málaga, Málaga, 29010, Spain

  • Hospital Unviersitario Virgen Nieves

    Granada, 18012, Spain

  • Hubei Cancer Hospital

    Wuhan, Hubei, 430079, China

  • IRCCS - Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori"

    Meldola, Emilia-Romagna, 47014, Italy

  • Institut Català d'Oncologia (ICO) - Badalona

    Badalona, Barcelona [barcelona], 08916, Spain

  • Istituto Nazionale Tumori IRCCS Fondazione Pascale

    Naples, Campania, 80131, Italy

  • National Cancer Center Hospital

    Chuo-ku, Tokyo, 104-0045, Japan

  • National Cancer Center Hospital East

    Kashiwa, Chiba, 277-8577, Japan

  • Nemocnica na okraji mesta n o

    Partizánske, 95801, Slovakia

  • Sun Yat-sen University Cancer Center

    Guangzhou, Guangdong, 510060, China

  • The First Affiliated Hospital of Xi'an Jiaotong University

    Xi'an, Shaanxi, 710061, China

  • Tumor Zentrum Aarau

    Aarau, Canton of Aargau, 5000, Switzerland

  • Virginia Oncology Associates

    Norfolk, Virginia, 23502, United States

Conditions

Explore the condition pages connected to this study.