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PubMed Journals Articles About "Trastuzumab Deruxtecan Efficacious Breast Cancer Across Varying HER2" RSS

07:03 EDT 23rd September 2018 | BioPortfolio

Trastuzumab Deruxtecan Efficacious Breast Cancer Across Varying HER2 PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Trastuzumab Deruxtecan Efficacious Breast Cancer Across Varying HER2 articles that have been published worldwide.

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Showing "Trastuzumab Deruxtecan Efficacious Breast Cancer Across Varying HER2" PubMed Articles 1–25 of 18,000+

LMO4 mediates trastuzumab resistance in HER2 positive breast cancer cells.

Breast cancer is the leading cause of cancer-related mortality in women worldwide. Trastuzumab (Herceptin) is an effective antibody drug for HER2 positive breast cancer; or acquired trastuzumab resistance retarded the use of trastuzumab for at least 70% of HER2 positive breast cancers. In this study, we reported LMO4 (a member of LIM-only proteins) promoted trastuzumab resistance in human breast cancer cells. Over-expression of LMO4 was observed in acquired trastuzumab resistance breast cancer cells SKBR3 ...


Neoadjuvant Pertuzumab-containing Regimens Improve Pathologic Complete Response Rates in Stage II to III HER-2/neu-positive Breast Cancer: A Retrospective, Single Institution Experience.

Several human epidermal growth factor 2 (HER2)-targeted regimens are used to treat HER2-positive (HER2) breast cancer (BC). The goal of this study was to retrospectively determine the pathologic complete response (pCR) rate for trastuzumab and pertuzumab (HP)-containing regimens compared with trastuzumab (H)-containing regimens for stage II to III HER2 BC.

A serum microRNA signature predicts trastuzumab benefit in HER2-positive metastatic breast cancer patients.

Trastuzumab is a standard treatment for HER2-positive (HER2) breast cancer, but some patients are refractory to the therapy. MicroRNAs (miRNAs) have been used to predict therapeutic effects for various cancers, but whether miRNAs can serve as biomarkers for HER2 metastatic breast cancer (MBC) patients remains unclear. Using miRNA microarray, we identify 13 differentially expressed miRNAs in the serum of HER2 MBC patients with distinct response to trastuzumab, and four miRNAs are selected to construct a sign...


Long-term survival in trastuzumab-treated patients with HER2-positive metastatic breast cancer: real-world outcomes and treatment patterns in a whole-of-population Australian cohort (2001-2016).

Patients treated with trastuzumab for HER2-positive metastatic breast cancer (HER2+MBC) are living longer, but there is little information on their outcomes and treatment experience beyond the median survival from clinical trials and real-world observational studies. We aim to describe the real-world treatment patterns and overall survival (OS) for women surviving five or more years from initiation of trastuzumab for HER2+MBC.

A randomized phase II trial of trastuzumab plus capecitabine versus lapatinib plus capecitabine in patients with HER2-positive metastatic breast cancer previously treated with trastuzumab and taxanes: WJOG6110B/ELTOP.

For human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer (MBC) with progression on trastuzumab-based therapy, continuing trastuzumab beyond progression and switching to lapatinib combined with chemotherapy are both valid options. We conducted an open-label, randomized phase II trial to compare the efficacy of these strategies.

Prediction of postoperative disease-free survival and brain metastasis for HER2-positive breast cancer patients treated with neoadjuvant chemotherapy plus trastuzumab using a machine learning algorithm.

This study aimed to develop mathematical tools to predict the likelihood of recurrence after neoadjuvant chemotherapy (NAC) plus trastuzumab in patients with human epidermal growth factor receptor 2 (HER2)-positive breast cancer.

The Global Need for a Trastuzumab Biosimilar for Patients With HER2-Positive Breast Cancer.

Trastuzumab improves survival outcomes for patients with HER2-positive (HER2) breast cancer, yet not all such women receive this important therapy. Trastuzumab was approved by the US Food and Drug Administration in 1998 and the European Medicines Agency in 2000 as treatment for HER2metastatic breast cancer (MBC). Observational studies between 2000 and 2015 in patients with HER2MBC suggest that nearly 12% in the United States, 27% to 54% in Europe, and 27.1% to 49.2% in China did not receive trastuzumab or a...

Cardiotoxicity Assessment After Different Adjuvant Hypofractionated Radiotherapy Concurrently Associated with Trastuzumab in Early Breast Cancer.

To evaluate cardiotoxicity in patients with human epidermal growth factor receptor 2+ (HER2+) breast cancer (29 left-sided, 23 right-sided) treated with adjuvant whole-breast hypofractionated radiotherapy (HRT) concurrently administered with the humanized monoclonal antibody to HER2, trastuzumab.

Trastuzumab upregulates PD-L1 as a potential mechanism of trastuzumab resistance through engagement of immune effector cells and stimulation of IFNγ secretion.

Here, we report that treatment of syngeneic mouse tumors transduced to overexpress human epidermal growth factor receptor-2 (HER2) with the anti-human HER2 antibody trastuzumab upregulated the level of programmed death-ligand 1 (PD-L1), an important negative regulator of T-cell response, in a transgenic mouse model immune-tolerant to human HER2. We further found that trastuzumab alone had no detectable effect on the level of PD-L1 expression in monocultures of HER2-overexpressing human breast cancer cells b...

Positron-Emission Tomography (PET) of HER2-Positive Breast Cancer Xenografts in Mice with 89Zr-Labeled Trastuzumab-DM1 (T-DM1) - Comparison with 89Zr-Labeled Trastuzumab.

Our aim was to synthesize 89Zr-labeled trastuzumab-emtansine (89Zr-DFO-T-DM1) to probe the delivery of trastuzumab-emtansine (T-DM1) to HER2-positive breast cancer (BC) by positron emission tomography (PET). We further aimed to compare the tumor and normal tissue uptake of 89Zr-DFO-T-DM1 with 89Zr-DFO-trastuzumab. T-DM1 was modified with 3.0 ± 0.2 desferrioxamine (DFO) chelators for complexing 89Zr by reaction with a 14-fold molar excess of p-NCS-Bz-DFO. The number of DFO chelators per T-DM1 molecule was q...

Exosome-mediated transfer of lncRNA‑SNHG14 promotes trastuzumab chemoresistance in breast cancer.

Currently, resistance to trastuzumab, a human epidermal growth factor receptor 2 (HER2) inhibitor, has become an important obstacle to improving the clinical outcome of patients with advanced HER2+ breast cancer. While cell behavior may be modulated by long non‑coding RNAs (lncRNAs), the contributions of lncRNAs within extracellular vesicles (exosomes) are largely unknown. To this end, the involvement and regulatory functions of potential lncRNAs contained within exosomes during the formation of chemores...

Tyrosine kinase inhibitors for brain metastases in HER2-positive breast cancer.

Approximately 30-50% of advanced HER2-positive breast cancer patients will develop central nervous system (CNS) metastases, with an annual risk of around 10%, and a half of them will die from brain progression. An increased risk of brain metastases is also seen in patients with early HER2-positive breast cancer administered curative therapy. Brain metastases in HER2-positive breast cancer patients usually constitute the first site of recurrence. The administration of anti-HER2 monoclonal antibodies, trastuz...

Dynamic miRNA activity identifies therapeutic targets in trastuzumab-resistant HER2 breast cancer.

MicroRNAs (miRNA) are implicated in numerous physiologic and pathologic processes, such as the development of resistance to chemotherapy. Determining the role of miRNAs in these processes is often accomplished through measuring miRNA abundance by PCR, sequencing, or microarrays. We have developed a system for the large-scale monitoring of dynamic miRNA activity, and have applied this system to identify the contribution miRNA activity to the development of trastuzumab resistance in a cell model of HER2 breas...

Lack of acquired resistance in HER2-positive breast cancer cells after long-term HER2 siRNA nanoparticle treatment.

Intrinsic and acquired resistance to current HER2 targeted therapies remains a challenge in clinics. We have developed a therapeutic HER2 siRNA delivered using mesoporous silica nanoparticles modified with polymers and conjugated with HER2 targeting antibodies. Our previous studies have shown that our HER2 siRNA nanoparticles could overcome intrinsic and acquired resistance to trastuzumab and lapatinib in HER2-positive breast cancers. In this study, we investigated the effect of long-term (7 months) treatme...

Impressive Long-term Response with Pertuzumab and Trastuzumab in HER2-positive Breast Cancer with Brain Metastasis.

This is a case report of a 40-year-old woman who, after conservative breast cancer treatment, developed a HER2 positive solitary brain metastasis in the left temporal lobe, without extracranial disease. She underwent surgery resection followed by stereotactic radiotherapy and, because of early brain progression, she was submitted to the first line therapy with pertuzumab, trastuzumab and weekly paclitaxel. After six months of treatment, a brain magnetic resonance imaging revealed a complete disappearance of...

Androgen receptor expression inversely correlates with immune cell infiltration in human epidermal growth factor receptor 2-positive breast cancer.

Although targeting human epidermal growth factor receptor 2 (HER2) is a meaningful treatment in HER2-positive breast cancer, ultimately resistance develops. Androgen receptor (AR) expression and immune cell infiltration are thought to be involved in trastuzumab response and may, therefore, be of interest as additional targets for therapy in HER2-positive breast cancer.

A phase III study comparing SB3 (a proposed trastuzumab biosimilar) and trastuzumab reference product in HER2-positive early breast cancer treated with neoadjuvant-adjuvant treatment: Final safety, immunogenicity and survival results.

The equivalent efficacy between SB3, a proposed trastuzumab biosimilar, and the trastuzumab reference product (TRZ) in terms of the breast pathologic complete response rate after neoadjuvant therapy in patients with early or locally advanced human epidermal growth factor receptor 2-positive breast cancer was demonstrated in the previous report. Here, we report the final safety, immunogenicity and survival results after neoadjuvant-adjuvant treatment.

Effect of Adjuvant Trastuzumab for a Duration of 9 Weeks vs 1 Year With Concomitant Chemotherapy for Early Human Epidermal Growth Factor Receptor 2-Positive Breast Cancer: The SOLD Randomized Clinical Trial.

Trastuzumab plus chemotherapy is the standard adjuvant treatment for patients with human epidermal growth factor receptor 2 (HER2)-positive early breast cancer. While the standard duration of trastuzumab treatment is 12 months, the benefits and harms of trastuzumab continued beyond the chemotherapy are unclear.

Association of T-Cell Receptor Repertoire Use With Response to Combined Trastuzumab-Lapatinib Treatment of HER2-Positive Breast Cancer: Secondary Analysis of the NeoALTTO Randomized Clinical Trial.

Dual anti-HER2 blockade increased the rate of pathologic complete response (pCR) in the Neoadjuvant Lapatinib and/or Trastuzumab Treatment Optimisation (NeoALTTO) trial, and high immune gene expression was associated with pCR in all treatment arms. So far, no marker has been identified that is specifically associated with the benefit from dual HER2 blockade.

Fluctuation of the left ventricular ejection fraction in patients with HER2-positive early breast cancer treated by 12 months of adjuvant trastuzumab.

Cardiac toxicity with a decrease of the left ventricular ejection fraction (LVEF) is the main side effect induced by trastuzumab. This study reports the fluctuation of LVEF over the 12 months of adjuvant trastuzumab in PHARE trial (NCT00381901).

STAT3 Activation Confers Trastuzumab-Emtansine (T-DM1) Resistance in HER2-positive Breast Cancer.

Trastuzumab-emtansine (T-DM1) is an antibody-drug conjugate (ADC) that has been approved for the treatment of HER2-positive metastatic breast cancer. Despite the remarkable efficacy of T-DM1 in many patients, resistance to this therapeutic has emerged as a significant clinical problem. In the current study, we used BT-474/KR cells, a T-DM1-resistant cell line established from HER2-positive BT-474 breast cancer cells, as a model to investigate mechanisms of T-DM1 resistance and explore effective therapeutic ...

Anthracycline Use for Early Stage Breast Cancer in the Modern Era: a Review.

Anthracycline-based regimens have been an important treatment component for patients with breast cancer. As demonstrated in the last Early Breast Cancer Trialists' Collaborative Group (EBCTCG) meta-analysis, anthracycline-based regimens decrease breast cancer mortality by 20-30%. Anthracycline toxicities include the rare-but potential morbid-cardiotoxicity or leukemogenic effect, and the almost universal-but very distressing-alopecia. Due to potential toxicities, and large number of patients being exposed, ...

Tumor-Infiltrating Lymphocytes in Patients Receiving Trastuzumab/Pertuzumab-Based Chemotherapy: A TRYPHAENA Substudy.

There is an urgent requirement to identify biomarkers to tailor treatment in human epidermal growth factor receptor 2 (HER2)-amplified early breast cancer treated with trastuzumab/pertuzumab-based chemotherapy.

Adherence to prescribing restrictions for HER2-positive metastatic breast cancer in Australia: A national population-based observational study (2001-2016).

Targeted cancer therapy is often complex, involving multiple agents and chemotherapeutic partners. In Australia, prescribing restrictions are put in place to reflect existing evidence of cost-effectiveness of these medicines. As therapeutic options continue to expand, these restrictions may not be perceived to align with best practice and it is not known if their use in the real-world clinic adheres to these restrictions. We examined the treatment of women receiving trastuzumab for HER2-positive metastatic ...

Treatment of advanced HER2-positive breast cancer: 2018 and beyond.

In the 1980s the importance of HER2 signalling to the aberrant behaviour of a subset of breast cancer cells was recognized for the first time and, consequently, a hitherto unknown subtype of breast cancer - HER2-positive (HER2+) breast cancer was identified. The development of the anti-HER2 class of drugs, first with trastuzumab, followed closely by lapatinib, pertuzumab, and T-DM1, has improved outcomes dramatically. Nevertheless, metastatic HER2+ breast cancer remains an incurable disease and new therapeu...


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