Vice Chairman for Research
Charleston, SC 29425
M.D. awarded by University of Kentucky College of Medicine, 2004
PhD: Toxicology, University of Kentucky, 1999
BSCE: Civil Engineering, University of Kentucky, 1996
Residency: University of Kentucky
Board Certified: Diagnostic Radiology
American Board of Radiology, Radiation Oncology
Drug Enforcement Agency (DEA)
South Carolina State Board of Medical Licensure
New York State Board of Medical Licensure
Dr. Warren is a Board Certified Radiation Oncologist and the Vice Chairman for Research in the Department of Radiation Oncology. His primary clinical emphasis is in the treatment of gastrointestinal and thoracic malignancies. He is also the Director of the Tobacco Assessment and Cessation Service at the Hollings Cancer Center where he leads efforts to improve access to tobacco cessation support for cancer patients. He is a former Panel Member for the Esophageal and Gastric Cancer Committee for the National Comprehensive Cancer Network (NCCN) and currently serves on the American Association for Cancer Research (AACR) Tobacco Control Subcommittee, the American Society of Clinical Oncology (ASCO) Cancer Prevention Committee and Tobacco Control Subcommittee, and the Cancer Prevention Committee for the Alliance for Clinical Trials in Oncology Cooperative Group (formerly CALGB, NCCTG, and ACOSOG).
As the Vice Chairman for Research, he helps coordinate research activities within the Department of Radiation Oncology to support integration of existing research trials as well as to facilitate investigator initiated research projects. His primary research interest is includes understanding the effects of tobacco and tobacco related products on outcomes in cancer patients, testing the effects of effect modifiers (sensitizers and protectors) for chemotherapy and/or radiotherapy in cancer cells and in normal tissues, and improving methods to automate and optimize data collection that can be used for clinical decision making as well as research.
Areas of Study
Understanding the effects of tobacco and tobacco related products on outcomes in cancer patients.
Testing the effects of effect modifiers (sensitizers and protectors) for chemotherapy and/or radiotherapy in cancer cells and in normal tissues.
Improving methods to optimize data collection that can be used for automated decision making.
Biliary (bile duct) cancer
Gastric (stomach) cancer
Hepatic (liver) cancer
Rectal (colorectal and rectosigmoid) cancer
Bronchial (endobronchial) cancer
Lung (non-small cell and small cell) cancer
Pleural (mesothelial) cancer
1. Warren GW, Marshall JR, Cummings KM, Zevon MA, Reed R, Hysert P, Mahoney MC, Hyland AJ, Nwogu C, Demmy T, Dexter E, Kelly M, O’Connor RJ, Houston T, Jenkins D, Germain P, Singh AK, Epstein J, Dobson-Amato K, Reid ME. Automated Tobacco Assessment and Cessation Support for Cancer Patients. In Press, Cancer
2. Warren GW, Marshall JR, Cummings KM, Toll BA, Gritz ER, Hutson A, Dibaj S, Herbst R, Mulshine JL, Hanna N, Dresler CA. Addressing tobacco use in cancer patients: A survey of American Society of Clinical Oncology (ASCO) members. In Press, J Oncol Pract
3. Yendamuri S, Huang M, Malhotra U, Warren GW, Bogner P, Nwogu C, Groman A, Demmy T. Prognostic implications of signet ring cell histology in esophageal adenocarcinoma – a SEER database analysis. Cancer 2013. May 29. doi: 10.1002/cncr.28099.
4. Warren GW, Marshall JR, Cummings KM, Toll B, Gritz ER, Hutson A, Dibaj S, Herbst R, Dresler C, on behalf of the IASLC Tobacco Control and Smoking Cessation Committee. Practice Patterns and Perceptions of Thoracic Oncology Providers on Tobacco Use and Cessation in Cancer Patients. J Thorac Oncol 8:543-8, 2013. doi: 10.1097/JTO.0b013e318288dc96
5. Morales N, Romano M, Cummings KM, Marshall JR, Hyland A, Hutson A, Warren GW. Accuracy of Self-Reported Tobacco Use in Newly Diagnosed Cancer Patients. Cancer Causes Control 24:1223-30, 2013. doi 10.1007/s10552-013-0202-4