Roche's Tecentriq boosts survival in triple-negative breast cancer

An immunotherapy cocktail from Roche helped slow a type of breast cancer where new treatments have proven elusive, data released on Saturday showed, offering positive news for the Swiss drugmaker as it chases medicines produced by its rivals.
Source: Reuters: Health - Category: Consumer Health News Tags: healthNews Source Type: news

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Authors: Jiang DM, Fyles A, Nguyen LT, Neel BG, Sacher A, Rottapel R, Wang BX, Ohashi PS, Sridhar SS Abstract Immunotherapy has shown modest activity in metastatic breast cancer (MBC). In this phase I dose escalation study, we assessed safety of tremelimumab, a humanized anti-CTLA4 monoclonal antibody, at starting dose 3 mg/kg, on the third day of palliative radiotherapy (2000cGy in 5 daily fractions) in patients with MBC. Primary objective was to determine the maximum tolerated dose (MTD) of tremelimumab combined with RT. Secondary objective was to assess response. Among 6 patients enrolled between July 2010 and O...
Source: Oncotarget - Category: Cancer & Oncology Tags: Oncotarget Source Type: research
ConclusionThese data thus provide new insights in the mechanisms underlying loco-regional immune suppression induced by BrC and how these relate to clinical outcome. They identify the LNR-cDC subset as a pivotal regulatory node in cellular immune suppressive pathways and therefore as a promising therapeutic target to combat immune suppression and secure the induction of effective antitumor immunity, e.g. in combination with neo-adjuvant chemotherapy.  
Source: Journal for Immunotherapy of Cancer - Category: Cancer & Oncology Source Type: research
Authors: Niranjan A, Lunsford LD, Ahluwalia MS Abstract The most common primary cancers that metastasize to the brain are lung cancer, breast cancer, and melanoma. The established management approaches for brain metastasis include stereotactic radiosurgery, fractionated radiation therapy, and surgical resection. In the past the role of medical therapies in brain metastases was limited. In the last decade, our understanding of molecular drivers of brain metastases and CNS penetration of drugs across the blood-brain barrier has improved. The molecular targeted tyrosine kinase inhibitors have shown effectiveness in br...
Source: Progress in Neurological Surgery - Category: Neurosurgery Tags: Prog Neurol Surg Source Type: research
In this study, we treat pDCs with the TLR7 ligand IMQ, TLR7/8 ligands (CL097 and CL075), and three TLR9 ligands (different types of CpGs). The size of pDCs increased significantly after activation by TLR7, or TLR7/8 ligands. TLR7, TLR7/8, and TLR9 ligands similarly modulated cytokine release, as well as protein expression of pDC markers, costimulatory molecules, and cytotoxic molecules. Interestingly, TLR7/8 ligands, especially CL097, induced stronger responses. These results are relevant to the further study of the role and mechanism of pDC-induced antitumor effects and may aid in the development of a new strategy for fut...
Source: Journal of Immunology Research - Category: Allergy & Immunology Tags: J Immunol Res Source Type: research
Opinion statementOral inhibitors of CDK4/6 have been shown to increase response rates and prolong disease control when combined with endocrine therapy in hormone-responsive (HR+) HER2-negative advanced breast cancer. Palbociclib, ribociclib and abemaciclib are all approved in combination with non-steroidal aromatase inhibitors in first-line therapy for post-menopausal women, with a 40 –45% improvement in progression-free survival seen with the addition of any of these CDK4/6 inhibitors. Additional approved indications, including first- and second-line combination therapy for pre-menopausal women, combination with ful...
Source: Current Treatment Options in Oncology - Category: Cancer & Oncology Source Type: research
The immunotherapy has revolutionized the world of oncology in the last decades with considerable advantages in terms of overall survival in cancer patients. The association of Pembrolizumab and Trastuzumab was recently proposed in clinical trials for the treatment of Trastuzumab-resistant advanced HER2-positive breast cancer. Although immunotherapies are frequently associated with a wide spectrum of immune-related adverse events, the cardiac toxicity has not been properly studied.
Source: International Journal of Cardiology - Category: Cardiology Authors: Source Type: research
In this study, antibodies were generated from antibody-secreting cells (ASC) present in tumor-draining lymph nodes of 20 breast cancer patients (ASC-probes) and were used to screen breast cancer cell lines and protein microarrays. Half of the ASC-probes reacted strongly against extracts of the MCF-7 breast cancer cell line, but each with a distinct antigen recognition profile. Three of the positive ASC-probes reacted differentially with recombinant antigens on a microarray containing cancer-related proteins. The results of this study show that lymph node-derived ASC-probes provide a highly specific source of tumor-specific...
Source: Cancers - Category: Cancer & Oncology Authors: Tags: Article Source Type: research
Kate M. O'Rourke looks at recent immunotherapy treatments for metastatic breast cancer that are proving effective.Medscape Oncology
Source: Medscape Allergy Headlines - Category: Allergy & Immunology Tags: Hematology-Oncology Article Source Type: news
Phospho‑STAT1 expression as a potential biomarker for anti‑PD‑1/anti‑PD‑L1 immunotherapy for breast cancer. Int J Oncol. 2019 Jun;54(6):2030-2038 Authors: Nakayama Y, Mimura K, Tamaki T, Shiraishi K, Kua LF, Koh V, Ohmori M, Kimura A, Inoue S, Okayama H, Suzuki Y, Nakazawa T, Ichikawa D, Kono K Abstract In the present study, we evaluated the mechanisms of programmed death ligand 1 (PD‑L1) expression in the breast cancer microenvironment, focusing on the role of interferon‑γ (IFN‑γ), and the clinical indications for anti‑programmed cell death 1 (PD‑1) /anti‑PD‑L...
Source: International Journal of Oncology - Category: Cancer & Oncology Authors: Tags: Int J Oncol Source Type: research
Abstract Vaccines can be a cost effective preventive measure for both primary prevention of disease and prevention of disease recurrence. Several vaccines targeting breast cancer oncodrivers are currently being tested in clinical trials. Whereas clinical response rates to breast cancer vaccines have been modest despite the induction of strong antitumor T cell responses, it is through these approaches that valuable insight and knowledge have been gained about tumor immunology. With the emergence of new immunotherapies, there is renewed excitement for effective breast cancer vaccine development. PMID: 3107...
Source: Clinical Breast Cancer - Category: Cancer & Oncology Authors: Tags: Surg Oncol Clin N Am Source Type: research
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