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  1. Article: Intratumoral HER2 heterogeneity in breast cancer.

    Pegram, Mark

    Clinical advances in hematology & oncology : H&O

    2020  Volume 18, Issue 9, Page(s) 535–537

    MeSH term(s) Breast Neoplasms/genetics ; Breast Neoplasms/metabolism ; Breast Neoplasms/pathology ; Breast Neoplasms/therapy ; Female ; Humans ; Receptor, ErbB-2/genetics ; Receptor, ErbB-2/metabolism
    Chemical Substances ERBB2 protein, human (EC 2.7.10.1) ; Receptor, ErbB-2 (EC 2.7.10.1)
    Language English
    Publishing date 2020-10-01
    Publishing country United States
    Document type Interview
    ZDB-ID 2271951-9
    ISSN 1543-0790
    ISSN 1543-0790
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Estrogen/HER2 receptor crosstalk in breast cancer: combination therapies to improve outcomes for patients with hormone receptor-positive/HER2-positive breast cancer.

    Pegram, Mark / Jackisch, Christian / Johnston, Stephen R D

    NPJ breast cancer

    2023  Volume 9, Issue 1, Page(s) 45

    Abstract: The human epidermal growth factor receptor 2 (HER2) is overexpressed in 13-22% of breast cancers (BC). Approximately 60-70% of HER2+ BC co-express hormone receptors (HRs). HR/HER2 co-expression modulates response to both anti-HER2-directed and endocrine ... ...

    Abstract The human epidermal growth factor receptor 2 (HER2) is overexpressed in 13-22% of breast cancers (BC). Approximately 60-70% of HER2+ BC co-express hormone receptors (HRs). HR/HER2 co-expression modulates response to both anti-HER2-directed and endocrine therapy due to "crosstalk" between the estrogen receptor (ER) and HER2 pathways. Combined HER2/ER blockade may be an effective treatment strategy for patients with HR+/HER2+ BC in the appropriate clinical setting(s). In this review, we provide an overview of crosstalk between the ER and HER2 pathways, summarize data from recently published and ongoing clinical trials, and discuss clinical implications for targeted treatment of HR+/HER2+ BC.
    Language English
    Publishing date 2023-05-31
    Publishing country United States
    Document type Journal Article ; Review
    ISSN 2374-4677
    ISSN 2374-4677
    DOI 10.1038/s41523-023-00533-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Research advances and new challenges in overcoming triple-negative breast cancer.

    Zong, Yu / Pegram, Mark

    Cancer drug resistance (Alhambra, Calif.)

    2021  Volume 4, Issue 3, Page(s) 517–542

    Abstract: Triple-negative breast cancer (TNBC) is a pathological term used to identify invasive breast cancers that lack expression of estrogen and progesterone receptors and do not have pathologic overexpression of the HER2 receptor or ... ...

    Abstract Triple-negative breast cancer (TNBC) is a pathological term used to identify invasive breast cancers that lack expression of estrogen and progesterone receptors and do not have pathologic overexpression of the HER2 receptor or harbor
    Language English
    Publishing date 2021-04-08
    Publishing country United States
    Document type Journal Article
    ISSN 2578-532X
    ISSN (online) 2578-532X
    DOI 10.20517/cdr.2021.04
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Neratinib in ERBB2-Positive Brain Metastases.

    Pegram, Mark D

    JAMA oncology

    2016  Volume 2, Issue 12, Page(s) 1541–1543

    MeSH term(s) Antineoplastic Combined Chemotherapy Protocols ; Brain Neoplasms/drug therapy ; Brain Neoplasms/genetics ; Brain Neoplasms/pathology ; Brain Neoplasms/secondary ; Breast Neoplasms/drug therapy ; Breast Neoplasms/genetics ; Breast Neoplasms/pathology ; Female ; Humans ; Receptor, ErbB-2/genetics
    Chemical Substances Receptor, ErbB-2 (EC 2.7.10.1)
    Language English
    Publishing date 2016-12-01
    Publishing country United States
    Document type Journal Article
    ISSN 2374-2445
    ISSN (online) 2374-2445
    DOI 10.1001/jamaoncol.2016.0238
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Editorial: Metabolic Abnormalities and Breast Cancer: Challenges From Bench to Bedside.

    Wang, Zheng / Li, Pu / Pegram, Mark Daniel / Chen, Xiaosong

    Frontiers in oncology

    2022  Volume 12, Page(s) 890810

    Language English
    Publishing date 2022-04-27
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 2649216-7
    ISSN 2234-943X
    ISSN 2234-943X
    DOI 10.3389/fonc.2022.890810
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: COUNTERPOINT: HER2-Targeted Combinations in Advanced HER2-Positive Breast Cancer.

    Pegram, Mark D

    Oncology (Williston Park, N.Y.)

    2015  Volume 29, Issue 11, Page(s) 797, 801–2

    MeSH term(s) Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Breast Neoplasms/chemistry ; Breast Neoplasms/drug therapy ; Female ; Humans ; Receptor, ErbB-2/analysis ; Receptor, ErbB-2/antagonists & inhibitors
    Chemical Substances ERBB2 protein, human (EC 2.7.10.1) ; Receptor, ErbB-2 (EC 2.7.10.1)
    Language English
    Publishing date 2015-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1067950-9
    ISSN 0890-9091
    ISSN 0890-9091
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Treatment combinations for HER2-positive breast cancer.

    Pegram, Mark

    Oncology (Williston Park, N.Y.)

    2013  Volume 27, Issue 4, Page(s) 258, 260

    MeSH term(s) Antibodies, Monoclonal, Humanized/administration & dosage ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Breast Neoplasms/chemistry ; Breast Neoplasms/drug therapy ; Female ; Humans ; Maytansine/administration & dosage ; Maytansine/analogs & derivatives ; Receptor, ErbB-2/analysis ; Receptor, ErbB-2/antagonists & inhibitors ; Trastuzumab
    Chemical Substances Antibodies, Monoclonal, Humanized ; Maytansine (14083FR882) ; ERBB2 protein, human (EC 2.7.10.1) ; Receptor, ErbB-2 (EC 2.7.10.1) ; pertuzumab (K16AIQ8CTM) ; Trastuzumab (P188ANX8CK) ; ado-trastuzumab emtansine (SE2KH7T06F)
    Language English
    Publishing date 2013-04
    Publishing country United States
    Document type Interview
    ZDB-ID 1067950-9
    ISSN 0890-9091
    ISSN 0890-9091
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Epidemiology, clinical outcomes, and unmet needs of patients with human epidermal growth factor receptor 2-positive breast cancer and brain metastases: A systematic literature review.

    Müller, Volkmar / Bartsch, Rupert / Lin, Nancy U / Montemurro, Filippo / Pegram, Mark D / Tolaney, Sara M

    Cancer treatment reviews

    2023  Volume 115, Page(s) 102527

    Abstract: Background: There is an increasing need for developing effective therapies for managing intracranial disease in patients with human epidermal growth factor receptor 2-positive (HER2 +) metastatic breast cancer and brain metastases (BM), as this ... ...

    Abstract Background: There is an increasing need for developing effective therapies for managing intracranial disease in patients with human epidermal growth factor receptor 2-positive (HER2 +) metastatic breast cancer and brain metastases (BM), as this population is growing and has historically been excluded from large clinical trials. In this systematic literature review, we aimed to provide a comprehensive overview of the epidemiology, unmet needs, and global treatment landscape for patients with HER2 + metastatic breast cancer and BM, with a particular focus on heterogeneity across clinical trial designs in this setting.
    Methods: We conducted literature searches of PubMed and select congress websites up to March 2022 and filtered for publications with a significant focus on epidemiology, unmet needs, or treatment outcomes in patients with HER2 + metastatic breast cancer and BM.
    Results: Key clinical trials of HER2-targeting treatments for HER2 + metastatic breast cancer had varying eligibility criteria relating to BM, with only two trials-HER2CLIMB and DEBBRAH-including patients with both active and stable BM. We also observed variance across assessed central nervous system (CNS)-focused endpoints (CNS objective response rate vs CNS progression-free survival vs time to CNS progression) and robustness of statistical analysis (prespecified vs exploratory).
    Conclusions: There is an unmet need for standardization of clinical trial design for patients with HER2 + metastatic breast cancer and BM, to aid the interpretation of the global treatment landscape and ensure patients with all types of BM can access effective treatments.
    MeSH term(s) Humans ; Female ; Breast Neoplasms/drug therapy ; Trastuzumab/therapeutic use ; Receptor, ErbB-2/metabolism ; Brain Neoplasms/drug therapy
    Chemical Substances ERBB2 protein, human (EC 2.7.10.1) ; Trastuzumab (P188ANX8CK) ; Receptor, ErbB-2 (EC 2.7.10.1)
    Language English
    Publishing date 2023-02-23
    Publishing country Netherlands
    Document type Systematic Review ; Journal Article ; Review
    ZDB-ID 125102-8
    ISSN 1532-1967 ; 0305-7372
    ISSN (online) 1532-1967
    ISSN 0305-7372
    DOI 10.1016/j.ctrv.2023.102527
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Treating the HER2 pathway in early and advanced breast cancer.

    Pegram, Mark D

    Hematology/oncology clinics of North America

    2013  Volume 27, Issue 4, Page(s) 751–65, viii

    Abstract: ERBB2 gene amplification occurs in ∼20% of human breast cancers (BC) and is associated with an adverse clinical prognosis, indicating that it may be playing a critical role in disease pathogenesis. Therapeutic strategies targeting pathologic ERBB2 ... ...

    Abstract ERBB2 gene amplification occurs in ∼20% of human breast cancers (BC) and is associated with an adverse clinical prognosis, indicating that it may be playing a critical role in disease pathogenesis. Therapeutic strategies targeting pathologic ERBB2 overexpression have revolutionized the diagnosis and treatment of BC. Indeed, humanized anti-ERBB2 antibodies, small molecule ERBB2 kinase inhibitors and ERBB2-targeting antibody-drug conjugates have proven safety and efficacy based upon evidence from randomized phase III clinical trials. Recent progress in targeting ERBB2 alteration will be reviewed, with focus on data that has informed changes in clinical practice for the treatment of BC.
    MeSH term(s) Antibodies, Monoclonal/pharmacology ; Antibodies, Monoclonal/therapeutic use ; Antineoplastic Agents/pharmacology ; Antineoplastic Agents/therapeutic use ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Breast Neoplasms/drug therapy ; Breast Neoplasms/metabolism ; Breast Neoplasms/pathology ; Female ; Humans ; Molecular Targeted Therapy ; Neoplasm Staging ; Receptor, ErbB-2/antagonists & inhibitors ; Receptor, ErbB-2/metabolism ; Signal Transduction/drug effects
    Chemical Substances Antibodies, Monoclonal ; Antineoplastic Agents ; Receptor, ErbB-2 (EC 2.7.10.1)
    Language English
    Publishing date 2013-08
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 93115-9
    ISSN 1558-1977 ; 0889-8588
    ISSN (online) 1558-1977
    ISSN 0889-8588
    DOI 10.1016/j.hoc.2013.05.007
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Pertuzumab plus high-dose trastuzumab for HER2-positive breast cancer with brain metastases: PATRICIA final efficacy data.

    Lin, Nancy U / Kumthekar, Priya / Sahebjam, Solmaz / Ibrahim, Nuhad / Fung, Anita / Cheng, Anna / Nicholas, Alan / Sussell, Jesse / Pegram, Mark

    NPJ breast cancer

    2023  Volume 9, Issue 1, Page(s) 94

    Abstract: The PATRICIA study (NCT02536339) examined the efficacy and safety of pertuzumab plus high-dose trastuzumab in patients with HER2-positive metastatic breast cancer (MBC) with progressive central nervous system (CNS) metastases following radiotherapy. ... ...

    Abstract The PATRICIA study (NCT02536339) examined the efficacy and safety of pertuzumab plus high-dose trastuzumab in patients with HER2-positive metastatic breast cancer (MBC) with progressive central nervous system (CNS) metastases following radiotherapy. Primary analysis confirmed CNS objective response rate (ORR) was 11% (95% confidence interval [CI]: 3-25); clinical benefit rate (CBR) was 68% (4 months) and 51% (6 months). We report final efficacy data after a further 21-months of follow-up, updated safety, survival, and patient-reported outcomes (PROs). Patients received standard-dose pertuzumab plus high-dose trastuzumab (6 mg/kg weekly) until CNS or systemic disease progression or unacceptable toxicity. Primary endpoint: confirmed ORR (CNS) per Response Assessment in Neuro-Oncology Brain Metastases criteria. Secondary endpoints were response duration, CBR, progression-free survival (PFS), overall survival (OS), safety, and PROs. By clinical cut-off, 39 patients had completed or discontinued treatment. Confirmed ORR (CNS) was 11% (95% CI: 3.0-25.4). Median CNS-PFS was 4.6 months (95% CI: 4.0-8.9), as was median CNS-PFS or systemic PFS (95% CI: 4.0-8.9); median OS was 27.2 months (95% CI: 16.1-not reached). CBR in the CNS was 51% (19 patients, 95% CI: 34.4-68.1) at 6 months. Two patients remained on treatment until study closure, achieving stable disease for 4.1 and 4.8 years. Treatment-related grade 3/4 adverse events occurred in 7.7% of patients. Patients with confirmed partial response or stable disease (≥4 months) in the CNS had stable PROs over time. Pertuzumab plus high-dose trastuzumab represents a reasonable non-chemotherapeutic treatment option for selected patients with HER2-positive MBC with CNS metastases.
    Language English
    Publishing date 2023-11-17
    Publishing country United States
    Document type Journal Article
    ISSN 2374-4677
    ISSN 2374-4677
    DOI 10.1038/s41523-023-00587-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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