Donald L. Morton, MD, epitomized one of America's dream scenarios: a person evolving from the humblest of origins to become an international celebrity in his profession, leading the world in the discipline of surgical oncology. His pioneering accomplishments in various roles have been well documented. Scientists, clinicians, students, and patients benefited from his contributions to the management of malignant diseases, particularly melanoma. His many attributes in pursuing the goal to cure malignant diseases are well known. Browsing the scientific literature reveals an almost unmatched publication record and continuous National Institutes of Health funding. He revealed dozens of original concealed ideas, not least of which is the tumor-draining regional lymph node, now called the sentinel lymph node (SLN). When others gave up on the original promise of immunotherapy, he saw the future, the clinical promise which has lately materialized in the control of previously untreatable malignancies. He regarded the fellowship-training of more than 100 surgical oncologists as one of his biggest achievements. In this article, we celebrate the human side of a man with creative courage and far-reaching insight.
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http://dx.doi.org/10.1007/s10585-023-10223-9 | DOI Listing |
Ann Surg Oncol
December 2017
John Wayne Cancer Institute, Santa Monica, CA, USA.
Background: This phase III study was undertaken to evaluate the efficacy of an allogeneic whole-cell vaccine (Canvaxin™) plus bacillus Calmette-Guerin (BCG) after complete resection of stage IV melanoma.
Methods: After complete resection of ≤5 distant metastases, patients were randomly assigned to BCG+Canvaxin (BCG/Cv) or BCG+placebo (BCG/Pl). The primary endpoint was overall survival (OS); secondary endpoints were disease-free survival (DFS), and immune response measured by skin test (ClinicalTrials.
Biologicals
March 2016
John Wayne Cancer Institute, Santa Monica, CA, USA.
A polyvalent therapeutic cancer cell vaccine containing three viable, irradiated, replication-incompetent melanoma cell lines (Canvaxin) was administered to over 2500 patients in various clinical studies. This study examines the fate of Canvaxin cells in 16 patients with Stage II, III or IV melanoma, with special attention on assessing the capacity of the vaccine cells to replicate. The survival time and the potential proliferative capacity of irradiated Canvaxin cells in humans was studied by histologic examination of biopsies of injection sites over a two-week period.
View Article and Find Full Text PDFClin Cancer Res
June 2016
Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
Purpose: Inflammatory marker expression in stage III melanoma tumors was evaluated for association with outcome, using two independent cohorts of stage III melanoma patients' tumor tissues.
Experimental Design: Fifteen markers of interest were selected for analysis, and their expression in melanoma tissues was determined by immunohistochemistry. Proteins associating with either overall survival (OS) or recurrence-free survival (RFS) in the retrospective discovery tissue microarray (TMA; n = 158) were subsequently evaluated in an independent validation TMA (n = 114).
We describe the landscape of genomic alterations in cutaneous melanomas through DNA, RNA, and protein-based analysis of 333 primary and/or metastatic melanomas from 331 patients. We establish a framework for genomic classification into one of four subtypes based on the pattern of the most prevalent significantly mutated genes: mutant BRAF, mutant RAS, mutant NF1, and Triple-WT (wild-type). Integrative analysis reveals enrichment of KIT mutations and focal amplifications and complex structural rearrangements as a feature of the Triple-WT subtype.
View Article and Find Full Text PDFPigment Cell Melanoma Res
January 2015
Department of Molecular Oncology, John Wayne Cancer Institute, Providence Saint John's Health Center, Santa Monica, CA, USA.
Melanoma brain metastasis (MBM) is frequent and has a very poor prognosis with no current predictive factors or therapeutic molecular targets. Our study unravels the molecular alterations of cell-surface glycoprotein CD44 variants during melanoma progression to MBM. High expression of CD44 splicing variant 6 (CD44v6) in primary melanoma (PRM) and regional lymph node metastases from AJCC Stage IIIC patients significantly predicts MBM development.
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