Immunotherapy in HER2-positive breast cancer: state of the art and future perspectives

Breast cancer (BC) is a complex disease with primary or acquired incurability characteristics in a significant part of patients. Immunotherapeutical agents represent an emerging option for breast cancer treatm...
Source: Journal of Hematology and Oncology - Category: Hematology Authors: Tags: Review Source Type: research

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Authors: Han RH, Dunn GP, Chheda MG, Kim AH Abstract Metastases from melanoma, lung and breast cancer are among the most common causes of intracranial malignancy. Standard of care for brain metastases include a combination of surgical resection, stereotactic radiosurgery, and whole-brain radiation. However, evidence continues to accumulate regarding the efficacy of molecularly-targeted systemic treatments and immunotherapy. For non-small cell lung cancer (NSCLC), numerous clinical trials have demonstrated intracranial activity for inhibitors of EGFR and ALK. Patients with melanoma brain metastases may benefit from ...
Source: Oncotarget - Category: Cancer & Oncology Tags: Oncotarget Source Type: research
AbstractPurpose of ReviewThis review will discuss recent important trials for the treatment of HER2-positive breast cancer, emphasize ongoing areas of development, and highlight areas of unmet need.Recent FindingsAdvances for early-stage treatment have been driven by key clinical trials with pertuzumab, neratinib, and TDM-1. In the adjuvant setting, dual HER2 targeting with trastuzumab and pertuzumab has demonstrated modest improvement in disease-free survival. Neratinib also showed modest benefit in the extended adjuvant setting after prior trastuzumab. Finally, for patients who did not achieve pathologic complete respons...
Source: Current Breast Cancer Reports - Category: Cancer & Oncology Source Type: research
AbstractPurpose of ReviewThe goal of our review is to describe the rationale for immunotherapy in the treatment of breast cancer brain metastases (BCBM), the current landscape of clinical trials for this disease process, and possible future directions based on anticipated results.Recent FindingsImmune checkpoint inhibition has shown efficacy in the treatment of several solid tumor brain metastases (i.e., melanoma and non-small cell lung cancer), but data specific to BCBM is relatively sparse. Preclinical studies in BCBM have illustrated a lower immune content in the brain microenvironment measured by tumor-infiltrating lym...
Source: Current Breast Cancer Reports - Category: Cancer & Oncology Source Type: research
ConclusionsSmall sub-sets of breast cancers with high TMB exist and may present an opportunity for effective immunotherapeutic targeting.
Source: Targeted Oncology - Category: Cancer & Oncology Source Type: research
AbstractPurpose of ReviewTo summarize and discuss the available evidence and ongoing efforts in order to establish the efficacy and safety of immunotherapeutic approaches in HER2-positive breast cancer.Recent FindingsThe introduction into the clinic of anti-HER2 –targeted therapies more than 15 years ago resulted in a substantial improvement in the outcome of patients with HER2-overexpressing breast cancer. However, only patients with the highest levels of HER2 expression will potentially benefit from these therapies and, unfortunately, many patients prog ress or relapse after optimal treatment. As metastatic breast ...
Source: Current Breast Cancer Reports - Category: Cancer & Oncology Source Type: research
Authors: Welslau M, Hartkopf AD, Müller V, Wöckel A, Lux MP, Janni W, Ettl J, Lüftner D, Belleville E, Schütz F, Fasching PA, Kolberg HC, Nabieva N, Overkamp F, Taran FA, Brucker SY, Wallwiener M, Tesch H, Schneeweiss A, Fehm TN Abstract Significant advancements have been made in recent years in advanced breast cancer and nearly all of them have been in the field of targeted therapy. Pertuzumab and trastuzumab-emtansine (T-DM1) have been able to be introduced in HER2-positive breast cancer. Now other anti-HER2 therapies are being developed (e.g. margetuximab, DS-8201a, pyrotinib) which can overc...
Source: Geburtshilfe und Frauenheilkunde - Category: OBGYN Tags: Geburtshilfe Frauenheilkd Source Type: research
Metastatic breast cancer highlights from ESMO 2019 confirm that CDK4/6 inhibition gives survival benefit in HR+/HER2- breast cancer and that immunotherapy is active in the neoadjuvant setting in TNBC.Medscape
Source: Medscape Today Headlines - Category: Consumer Health News Tags: None ReCAP Source Type: news
Conclusion: Anti-CV2 autoimmune encephalitis can present as Parkinsonism with bilateral leukoencephalopathy on MRI. PET scanning can be useful to reveal an occult cancer. Treatment of the cancer may improve the paraneoplastic neurological syndrome without the need of immunosuppressive therapy.
Source: Frontiers in Neurology - Category: Neurology Source Type: research
Abstract Efficacy data from the KATHERINE clinical trial comparing ado-trastuzumab emtansine (T-DM1) to trastuzumab in patients with early-stage human epidermal growth factor receptor 2 (HER2)-overexpressing breast cancer with residual disease after neoadjuvant therapy (hazard ratio for invasive disease or death, 0.50; P
Source: Clinical Cancer Research - Category: Cancer & Oncology Authors: Tags: Clin Cancer Res Source Type: research
AbstractBackgroundThe anticipated approval of the first specific PIK3CA inhibitor, apelisib, has increased interest in the frequency and range of PIK3CA genomic alterations (GA) in the major subtypes of mBC.MethodsDNA was extracted from 3,871 mBC: 1,259 ER+/HER2-, 1,969 HER2 amplified (amp) and 643 TNBC. GA, tumor mutational burden (TMB) and microsatellite instability (MSI) were identified by hybrid-capture. PD-L1 was determined by IHC.ResultsPIK3CA GA were significantly higher in ER  + (39%) and HER2amp (37%) and lower in TNBC (21%) groups and dominated by point mutations and indels (mut) (Table). The H1047R...
Source: Annals of Oncology - Category: Cancer & Oncology Source Type: research
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