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What Clinicians Want to Know: First-Line and Maintenance Therapy for Patients with ER-Positive, HER2-Positive Metastatic Breast Cancer — Part 1 of 2 (Webinar Video Proceedings)
Released April 2026

Featuring perspectives from Dr Virginia F Borges and Dr Ian E Krop. Published April 2026.

CE Information and Faculty Disclosures

  • TARGET AUDIENCE
    This program is intended for medical oncologists, breast surgeons, radiation oncologists and other healthcare professionals involved in the diagnosis and treatment of breast cancer.

    LEARNING OBJECTIVES

    • Review the pathophysiology and prognosis of hormone receptor (HR)-positive, HER2-positive breast cancer, and understand the implications for therapeutic decision-making.
    • Appraise available clinical research data, current guideline recommendations and expert best practices to guide the selection of first-line and maintenance therapy for patients with newly diagnosed HR-positive, HER2-positive metastatic breast cancer (mBC).
    • Assess recently published Phase III data with HER2-directed antibody-drug conjugate therapy as a component of first-line therapy, and consider the current role of this novel strategy in treatment for patients with HR-positive, HER2-positive mBC.
    • Appreciate the biological rationale for and available research findings with CDK4/6 inhibition in combination with endocrine and anti-HER2 maintenance therapy for patients with HR-positive, HER2-positive mBC, and use this information to personalize treatment recommendations.

    ACCREDITATION STATEMENT
    Research To Practice is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

    CREDIT DESIGNATION STATEMENT
    Audio Proceedings: Research To Practice designates this enduring material for a maximum of 1.75 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

    Video Proceedings: Research To Practice designates this enduring material for a maximum of 1.25 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

    AMERICAN BOARD OF INTERNAL MEDICINE (ABIM) — MAINTENANCE OF CERTIFICATION (MOC)
    Successful completion of this CME activity, which includes participation in the evaluation components and a post-test, enables the participant to earn up to 1.75 (audio) and 1.25 (video) Medical Knowledge MOC points in the American Board of Internal Medicine’s (ABIM) Maintenance of Certification (MOC) program. Participants will earn MOC points equivalent to the amount of CME credits claimed for each activity. It is the CME activity provider’s responsibility to submit participant completion information to ACCME for the purpose of granting ABIM MOC credit.

    Please note, these programs have been specifically designed for the following ABIM specialty: medical oncology.

    AMERICAN BOARD OF SURGERY (ABS) — CONTINUOUS CERTIFICATION (CC)
    Successful completion of these CME activities, which includes participation in the evaluation component and post-tests, enables the learner to earn credit toward the CME and Self-Assessment requirement(s) of the American Board of Surgery’s Continuous Certification program. It is the CME activity provider's responsibility to submit participant completion information to ACCME for the purpose of granting ABS credit.

    Please note, these programs have been specifically designed for the following ABS practice area: complex general surgical oncology.

    PRIVACY POLICY
    Personal information and data sharing: Research To Practice aggregates deidentified user data for program-use analysis, program development, activity planning and site improvement. We may provide aggregate and deidentified data to third parties, including commercial supporters. We do not share or sell personally identifiable information to any unaffiliated third parties or commercial supporters. Please see our privacy policy at ResearchToPractice.com/Privacy-Policy for more information.

    HOW TO USE THIS CME ACTIVITY
    Audio Program: This CME activity consists of an audio component. To receive credit, the participant should review the CME information, listen to the MP3s, review the downloadable slide set, complete the post-test with a score of 80% or better and fill out the evaluation located at ResearchToPractice.com/FirstLineTherapyHER2mBC26/1/CME. The corresponding video program is available as an alternative at ResearchToPractice.com/FirstLineTherapyHER2mBC26/1/Video.

    Video Program: This CME activity consists of a video component. To receive credit, the participant should review the CME information, watch the video, complete the post-test with a score of 80% or better and fill out the evaluation located at ResearchToPractice.com/FirstLineTherapyHER2mBC26/1/Video/CME. The corresponding audio program is available as an alternative at ResearchToPractice.com/FirstLineTherapyHER2mBC26/1.

    CONTENT VALIDATION AND DISCLOSURES
    Research To Practice (RTP) is committed to providing its participants with high-quality, unbiased and state-of-the-art education and adheres to the ACCME’s Standards for Integrity and Independence in Accredited Continuing Education. Any individuals in a position to control the content of an accredited continuing education activity, including faculty, planners, reviewers and others, are required to disclose all relevant financial relationships with ineligible entities (commercial interests). All relevant financial relationships have been mitigated prior to the commencement of this activity. In addition, all activity content is reviewed by RTP scientific staff and an external, independent physician reviewer for fair balance, scientific objectivity of studies referenced and patient care recommendations.

    FACULTY — The following faculty reported relevant financial relationships with ineligible entities:

    Virginia F Borges, MD, MMSc
    Professor of Medicine with Tenure
    Robert F and Patricia Young Connor Endowed Chair in Young Women’s Breast Cancer Research
    Deputy Division Head, Medical Oncology
    Co-Director, Diane O’Connor Thompson Breast Center
    Co-Director, Breast Cancer Research Program
    Director, Young Women’s Breast Cancer Translational Program
    University of Colorado Anschutz Medical Campus
    Aurora, Colorado

    Advisory Committees: AstraZeneca Pharmaceuticals LP, Gilead Sciences Inc, Pfizer Inc; Consulting Agreements: Gilead Sciences Inc, Olema Oncology, Pfizer Inc; Contracted Research: AstraZeneca Pharmaceuticals LP, Gilead Sciences Inc, Merck, Olema Oncology, Pfizer Inc.

    Ian E Krop, MD, PhD
    Associate Cancer Center Director for Clinical Research
    Medical Director, Clinical Trials Office
    Yale Cancer Center
    Chief Scientific Officer
    Translational Breast Cancer Research Consortium
    New Haven, Connecticut

    Advisory Committees: AstraZeneca Pharmaceuticals LP, Bristol Myers Squibb, Daiichi Sankyo Inc, EMD Serono Inc, Genentech, a member of the Roche Group, Lilly, Seagen Inc; Consulting Agreements: ALX Oncology, AstraZeneca Pharmaceuticals LP, Genentech, a member of the Roche Group, Halda Therapeutics, Novartis; Contracted Research: Pfizer Inc; Data and Safety Monitoring Boards/Committees: Novartis, Seagen Inc.

    MODERATOR — Dr Love is president and CEO of Research To Practice. Research To Practice receives funds in the form of educational grants to develop CME activities from the following companies: Aadi Bioscience, AbbVie Inc, ADC Therapeutics, Agendia Inc, Alexion Pharmaceuticals, Amgen Inc, Array BioPharma Inc, a subsidiary of Pfizer Inc, Arvinas, Astellas, AstraZeneca Pharmaceuticals LP, Aveo Pharmaceuticals, Bayer HealthCare Pharmaceuticals, BeOne, Biotheranostics Inc, A Hologic Company, Black Diamond Therapeutics Inc, Blueprint Medicines, Boehringer Ingelheim Pharmaceuticals Inc, Bristol Myers Squibb, Celcuity, Clovis Oncology, Coherus BioSciences, Corcept Therapeutics Inc, CTI BioPharma, a Sobi Company, Daiichi Sankyo Inc, Eisai Inc, Elevation Oncology Inc, Exact Sciences Corporation, Exelixis Inc, Genentech, a member of the Roche Group, Genmab US Inc, Geron Corporation, Gilead Sciences Inc, GSK, Helsinn Therapeutics (US) Inc, ImmunoGen Inc, Incyte Corporation, Ipsen Biopharmaceuticals Inc, Jazz Pharmaceuticals Inc, Johnson & Johnson, Karyopharm Therapeutics, Kite, A Gilead Company, Kura Oncology, Legend Biotech, Lilly, MEI Pharma Inc, Merck, Mersana Therapeutics Inc, Mirati Therapeutics Inc, Mural Oncology Inc, Natera Inc, Novartis, Novartis Pharmaceuticals Corporation on behalf of Advanced Accelerator Applications, Novocure Inc, Nuvalent, Nuvation Bio Inc, Pfizer Inc, Pharmacyclics LLC, an AbbVie Company, Puma Biotechnology Inc, Regeneron Pharmaceuticals Inc, Revolution Medicines Inc, Rigel Pharmaceuticals Inc, R-Pharm US, Sanofi, Seagen Inc, Servier Pharmaceuticals LLC, SpringWorks Therapeutics Inc, Stemline Therapeutics Inc, Sumitomo Pharma America, Summit Therapeutics, Syndax Pharmaceuticals, Taiho Oncology Inc, Takeda Pharmaceuticals USA Inc, TerSera Therapeutics LLC, and Tesaro, A GSK Company.

    RESEARCH TO PRACTICE CME PLANNING COMMITTEE MEMBERS, STAFF AND REVIEWERS — Planners, scientific staff and independent reviewers for Research To Practice have no relevant financial relationships to disclose.

    These educational activities contain discussion of published and/or investigational uses of agents that are not indicated by the Food and Drug Administration. Research To Practice does not recommend the use of any agent outside of the labeled indications. Please refer to the official prescribing information for each product for discussion of approved indications, contraindications and warnings. The opinions expressed are those of the presenters and are not to be construed as those of the publisher or grantor.

    These activities are supported by an educational grant from Pfizer Inc.

    Release date: April 2026
    Expiration date: April 2027

    After completing the post-test, learners may download and review the answers here in order to identify further areas of study.

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