Daniel P. Petrylak, MD

Daniel P. Petrylak, MD

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Daniel P. Petrylak, MD, is currently Director of Genitourinary Oncology, Professor of Medicine and Urology, Co-Leader of Cancer Signaling Networks, and Co-Director of the Signal Transduction Program at Yale University Cancer Center in New Haven, Connecticut. He is a recognized international leader in the urology field. He earned his MD at Case Western Reserve University School of Medicine in Cleveland Ohio. He then went on to complete his Internal Medicine Residency at Albert Einstein College of Medicine/Jacobi Medical Center in the Bronx, and his fellowship at Memorial Sloan Kettering Cancer Center in New York. Dr. Petrylak has served as principal investigator (PI) or co-PI on several SWOG clinical trials for genitourinary cancers. Most notably, he served as the PI for a randomized trial that led to the FDA approval of docetaxel in hormone refractory prostate cancer. He also helped to design and served as PI for the SPARC trial, an international registration trial evaluating satraplatin as a second-line therapy for hormone refractory prostate cancer. Dr. Petrylak served on the program committees for the annual meetings of the American Urological Association from 2003-2011, and for the American Society of Clinical Oncology from 1995-1997 and 2001-2003. He also has served as a committee member for the Devices and Immunologicals section of the FDA. He has published extensively in the New England Journal of Medicine, Journal of Clinical Oncology, Journal of the National Cancer Institute, Cancer Research, and Clinical Cancer Research.

Articles by Daniel P. Petrylak, MD

Phase 1 Trial of ARV-110 in Patients with mCRPC

Daniel P. Petrylak, MD, Director of Genitourinary Oncology, Professor of Medicine and Urology, Co-Leader of Cancer Signaling Networks, and Co-Director of the Signal Transduction Program at Yale University Cancer Center, discusses promising new developments coming out of a trial that interferes with the androgen receptor and degrades it. Phase 1 of this trial looks at ARV-110 in patients with mCRPC and Dr. Petrylak highlights why the study’s recent findings are so exciting. He goes into detail the study methodology and how ARV-110 works in comparison to traditional treatments. Dr. Petrylak also explains why the findings are so promising and what the next steps are for the study.

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Anti-Androgen Trials

Daniel P. Petrylak, MD, Director of Genitourinary Oncology, Professor of Medicine and Urology, Co-Leader of Cancer Signaling Networks, and Co-Director of the Signal Transduction Program at Yale University Cancer Center, gives an overview of the most important, recent anti-androgen trials, as well as those that are currently still underway. He highlights how the trials were conducted, what the researchers found, and what he feels is still missing from the research. Dr. Petrylak compares and contrasts the different studies and draws conclusions about each. He also goes over a couple of trials with novel anti-androgens with unique mechanisms of action, which are currently in phase 1, that are showing promise.

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A Medical Oncology Perspective on Treating Advanced Prostate Cancer During COVID-19

Daniel P. Petrylak, MD, Director of Genitourinary Oncology, Professor of Medicine and Urology, Co-Leader of Cancer Signaling Networks, and Co-Director of the Signal Transduction Program at Yale University Cancer Center in New Haven, Connecticut, shares his perspective on treating advanced prostate cancer patients during the COVID-19 pandemic. Dr. Petrylak is only seeing patients who need to be treated and is pre-screening patients by checking temperature and travel history. If a prostate cancer patient is advanced and develops COVID, he suggests deferring treatment for all non-life threatening situations until the patient tests negative for COVID. According to Chinese data, cancer has predisposed people to a more aggressive course of COVID, so PCa patients should self-isolate to protect themselves from the virus. Dr. Petrylak also shares that chemotherapy may blunt the immunoresponse system on a long term basis, so patients should weigh the risks and benefits for pursuing treatment and take precautions of self-isolating, washing hands, and social distancing if they use chemotherapy treatment.

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Enfortumab Vedotin Approved by FDA for Patients With Refractory Urothelial Carcinoma

Daniel P. Petrylak, MD, discusses the recent FDA approval of the antibody drug complex enfortumab vedotin for treating refractory advanced urothelial disease in patients previously treated with immunotherapy and chemotherapy. He describes how the drug complex works to fight bladder cancer by recognizing Nectin-4, a biomarker expressed on the surface of bladder cancer cells, and delivering MMAE to cause cytotoxic activity. Dr. Petrylak further describes the design, execution, and results of the clinical trial that led to the drug’s approval, as well as notable side effects.

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FDA Approves Pembrolizumab for New Indication of NMIBC

Daniel P. Petrylak, MD, discusses the recent FDA approval of the checkpoint inhibitor pembrolizumab for treating cystectomy-ineligible (or those who have refused cystectomy) non-muscle invasive bladder cancer patients who have also failed BCG. He details the prior lack of available treatment for this disease, explains the function of the drug as a checkpoint inhibitor, and describes the study that led to the drug’s approval.

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