Mesothelioma Treatment in Toronto Moves from SMART to SMARTER

The Princess Margaret Cancer Center in Toronto has moved from SMART to SMARTER with the recent launch of its latest clinical trial for pleural mesothelioma patients. SMARTER is the acronym for Surgery for Mesothelioma After Radiation Therapy using Extensive pleural Resection, which also describes the latest clinical trial. The phase I clinical trial is an unconventional approach to treatment of mesothelioma: Find the maximum tolerated dosage of hypofractionated radiation to stimulate the immune system before aggressive surgery. It comes on the heels of the SMART protocol, which stands for Surgery for Mesothelioma After Radiation Therapy. It involved higher doses of radiation that required an more aggressive surgery. “The genesis for this latest trial is based on what we learned from the first version, the SMART version, and in terms of extending disease free outcomes, we were very pleased,” Dr. John Cho, radiation oncologist and principal trial investigator, told The Mesothelioma Center at Asbestos.com. “Now we’ve gone back to the drawing board, looking for similar results but with a much less aggressive procedure.” Impressive Earlier Survival Times The research team in Toronto reported a three-year survival rate of 66% among patients with the epithelial mesothelioma subtype and no lymph node involvement while using the SMART approach. They also estimated a median overall survival of 51 months and disease-free survival at 47 months. The high-dos...
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news

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Publication date: Available online 10 January 2020Source: Pathology - Research and PracticeAuthor(s): Masanori Matsuda, Hironori Ninomiya, Ryo Wakejima, Kentaro Inamura, Sakae Okumura, Mingyon Mun, Masanobu Kitagawa, Yuichi IshikawaAbstractCalretinin, a mesothelioma marker, is sometimes expressed in lung cancer, which may complicate the differential diagnosis of mesothelioma. Here, the clinicopathological and immunohistochemical characteristics of calretinin-positive lung cancer were examined to reduce confusion with malignant mesothelioma. Calretinin expression in 307 consecutive cases of lung cancer was evaluated immunoh...
Source: Pathology Research and Practice - Category: Pathology Source Type: research
This study is an important step forward in highlighting C1q as a new prognostic candidate biomarker for a range of carcinomas. Methods Oncomine Database Analysis The expression levels of C1QA, C1QB, and C1QC genes in various carcinomas were analyzed using Oncomine (www.oncomine.org), a cancer microarray database and web-based data mining platform from genome-wide expression analyses (22, 23). We compared the differences in mRNA level between normal tissue and carcinoma. The mRNA expression levels in neoplastic tissues compared to the healthy tissues were obtained as the parameters of p-value 2, and gene ranking in the t...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
Conclusions This review describes how leukocyte-heparanase can be a double-edged sword in tumor progression; it can enhance tumor immune surveillance and tumor cell clearance, but also promote tumor survival and growth. We also discuss the potential of using heparanase in leukocyte therapies against tumors, and the effects of heparanase inhibitors on tumor progression and immunity. We are just beginning to understand the influence of heparanase on a pro/anti-tumor immune response, and there are still many questions to answer. How do the pro/anti-tumorigenic effects of heparanase differ across different cancer types? Does...
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
Joe Abdo1, Christopher S. Wichman2, Nicholas E. Dietz1,3, Pawel Ciborowski4, John Fleegel1, Sumeet K. Mittal1,5 and Devendra K. Agrawal1* 1Department of Clinical and Translational Science, Creighton University School of Medicine, Omaha, NE, United States 2Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, United States 3Department of Pathology, CHI Health Creighton University Medical Center, College of Medicine, Omaha, NE, United States 4Department of Pharmacology, University of Nebraska Medical Center, Omaha, NE, United States 5Norton Thoracic Institute, St....
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
ConclusionConsidering the patient ’s occupational and environmental history, it is estimated that she had been exposed to asbestos significantly, so we determined that ovarian cancer in the patient is highly correlated with the occupational exposure of asbestos and environmental exposure is a possible cause as well. Social devices are needed to prevent further exposure to asbestos. It is also necessary to recognize that ovarian cancer can occur in workers who have previously been exposed to asbestos, and the education and social compensation for those workers are needed.
Source: Annals of Occupational and Environmental Medicine - Category: Occupational Health Source Type: research
Doctors at the Princess Margaret Cancer Center in Toronto are studying the use of hypofractionated radiation to increase the effectiveness of immunotherapy for patients with mesothelioma. They are expected to launch soon a clinical trial that will add an immunotherapy combination to the high-dose radiation and aggressive surgery mix that has been so successful in Toronto. “There are a lot of questions that still need to be answered, but if I was a betting man, I’d lay odds on it [working well],” Dr. John Cho of the cancer center’s clinical research unit, told The Mesothelioma Center at Asbestos.com....
Source: Asbestos and Mesothelioma News - Category: Environmental Health Authors: Source Type: news
Conclusion: The approaches of this review are to highlight the recent management advances and contrast the differences of treatment practice between Western and Asian countries.
Source: Current Cancer Therapy Reviews - Category: Cancer & Oncology Source Type: research
Authors: Leprieur EG, Jablons DM, He B Abstract The Sonic Hedgehog (Shh) pathway is physiologically involved during embryogenesis, but is also activated in several diseases, including solid cancers. Previous studies have demonstrated that the Shh pathway is involved in oncogenesis, tumor progression and chemoresistance in lung cancer and mesothelioma. The Shh pathway is also closely associated with epithelial-mesenchymal transition and cancer stem cells. Recent findings have revealed that a small proportion of lung cancer cells expressed an abnormal full-length Shh protein, associated with cancer stem cell features...
Source: Oncotarget - Category: Cancer & Oncology Tags: Oncotarget Source Type: research
CONCLUSIONS: - These proposals have been mostly accepted by the Union for International Cancer Control and the American Joint Committee on Cancer and incorporated into their respective staging manuals (2017). The Union for International Cancer Control recommended implementation beginning in January 2017; however, the American Joint Committee on Cancer has deferred deployment of the eighth TNM until January 1, 2018, to ensure appropriate infrastructure for data collection. This manuscript summarizes the updated staging of thoracic malignancies, specifically highlighting changes from the 7th edition that are relevant to path...
Source: Archives of Pathology and Laboratory Medicine - Category: Laboratory Medicine Authors: Tags: Arch Pathol Lab Med Source Type: research
Conclusion: Despite the limited reported study and limited included patient numbers, metabolic PET parameters seems to have a prognostic value in MPM. Results of our study are needed to confirm by prospective larger studies. Research Support: None
Source: Journal of Nuclear Medicine - Category: Nuclear Medicine Authors: Tags: Lung Cancer II Source Type: research
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