Doctor's Bio
Dr. Gideon Dosunmu, MD, MBBS, is a medical oncologist who specializes in treating gastrointestinal cancers. At Grady, he cares for patients with cancers that affect the digestive system, including cancers of the colon, rectum, stomach, pancreas, liver, and other gastrointestinal organs.
Dr. Dosunmu works with surgeons, radiation oncologists, and other cancer specialists to develop an individualized treatment plan for each patient. As a medical oncologist, he specializes in cancer treatments such as chemotherapy, immunotherapy, and other medications used to treat and control cancer.
Dr. Dosunmu earned his medical degree from Igbinedion University in Nigeria and a Master of Public Health from the University of Alabama at Birmingham. He completed his internal medicine residency at the University of South Alabama and his fellowship in hematology and oncology at the University of Chicago Medical Center.
Board Certifications
American Board of Internal Medicine
Affiliations
Emory
Education & Training
- Medical School: MBBS Igbinedion University
- Internship: General Hospital Lagos
- Residency: University of South Alabama
Fellowships
University of Chicago
Locations and Directions
Correll Pavilion
Monday - Friday: 6 a.m. - 5:30 p.m.
Saturday: 7:30 a.m. - 3:30 p.m.
Publications
- Analysis of real-world clinical outcomes of perioperative chemotherapy compared to preoperative chemoradiotherapy in esophagogastric adenocarcinoma.
Oyenuga M, Goyal S, Hannan LM, Emiloju O, Dosunmu GT, Miao R, Gbolahan O, Russell M, Lin J, Switchenko JM, Alese OB
Cancer. 2026;132(16):e70571.
PMID: 42603143 - Birth cohort differences in reproductive and lifestyle breast cancer risk factors among women in the Nigerian breast cancer study.
Dosunmu GT, Omoleye O, Huo D, Giurcanu M, Zheng Y, Yoshimatsu TF, Olopade OI
Breast cancer research and treatment. 2026;
PMID: 42550281 - Pragmatic Clinical Trial Assessing Response to Neoadjuvant Docetaxel and Trastuzumab in Nigerian Women With Human Epidermal Growth Factor Receptor 2-Positive Breast Cancer (ARETTA).
Ntekim A, Popoola A, Sowunmi A, Olasehinde O, Sanni A, Ibraheem A, Zheng Y, Yoshimatsu TF, Dosunmu GT, Omoleye O, Folasire A, Adeniji-Sofoluwe A, Omisore A, Adewumi A, Olajide T, Lawal R, Komolafe A, Omodele F, Ajani M, Michael O, Balogun B, Ale OK, Irurhe N, Folorunso S, Oyekan A, Kotila O, Aniagwu T, Odetunde A, Ilona S, Ajani AO, Oshin A, Onitilo A, Asuzu C, Daramola A, Abdulkareem F, Balogun OO, Karrison T, Babalola P, Huo D, Olopade CO, Obafunwa J, Ojengbede O, Olopade OI
JCO global oncology. 2026;12(5):e2500287.
PMID: 42214048 - Somatic Mutation Profiles of Colorectal Cancer by Birth Cohort.
Gilad O, Dosunmu GT, Gao G, Murphy CC, Kupfer SS
JCO precision oncology. 2025;
PMID: 41075301 - Cancer immunotherapy clinical trials to support urgently needed access in low- and middle-income countries: a report from the SITC global access and impact committee.
Dent J, Jorge M, Sobrevilla N, Uldrick TS, Adoubi I, Bajpai J, Burotto M, Bulhan H, Dosunmu GT, Ekpo L, Gopal S, Espinoza-Gutarra MR, Homian NM, Kingham TP, Mathias C, Ngwa W, Niyonzima N, Nkegoum B, Olopade OI, Odeny TA, Posey AD, Sahebjam S, Switzer R, Tarhini AA, Vanderpuye V, Kaufman DR
Journal for immunotherapy of cancer. 2025;
PMID: 40550565 - Change in Trust in US Government Health Agencies for Cancer Information in the COVID-19 Era.
Chido-Amajuoyi OG, Talluri R, Onyeaka HK, Sokale I, Dosunmu GT, LoConte N, Shete S
JAMA network open. 2024;7(7):e2423744.
PMID: 39037819 - Colorectal Cancer: Genetic Underpinning and Molecular Therapeutics for Precision Medicine.
Dosunmu GT, Shergill A
Genes. 2024;
PMID: 38790167 - Social media use and health promotion among cancer survivors.
Atarere JO, Onyeaka HK, Chido-Amajuoyi OG, Adewunmi C, Nwaneki C, Dosunmu GT, Faith CO, Amonoo HL
Psycho-oncology. 2024;33(1):e6299.
PMID: 38282227
PLANNING
PREPARING FOR YOUR VISIT
Whether you’re a patient or you’re visiting one, a little planning beforehand can make your visit to Grady easier and more comfortable. Here, you’ll find everything you need to prepare for your visit, including an appointment checklist, admissions information, dining options, and much more.