Praveen Ramakrishnan Geethakumari

Praveen Ramakrishnan Geethakumari, M.D., M.S., is an Assistant Professor in the Department of Internal Medicine at UT Southwestern Medical Center, specializing in lymphoma and hematologic malignancies. He holds dual certification from the American Board of Internal Medicine in Internal Medicine and Hematology/Oncology. His research focuses on targeted therapies, cellular therapies, and stem cell transplantation for lymphomas.

Education: Medical training at Medical College University of Kerala (India), residency at Jawaharlal Institute of Medical Education and Research (India), and a master's in pharmacology from Thomas Jefferson University Hospital (USA). Professional memberships include the American Society of Clinical Oncology, American Society of Hematology, and International Primary CNS Lymphoma Collaborative Group.

Research interests include developing novel therapies for lymphomas, with a focus on CAR-T cell therapy, precision radiation approaches, and genomic profiling. His work spans multicenter studies evaluating treatment outcomes, biomarkers, and disparities in access to care. Recent studies explore adaptive radiation techniques, cytokine toxicity in CAR-T therapy, and outcomes in high-risk lymphoma subtypes.

Key contributions include analyzing treatment intervals in marginal zone lymphoma, evaluating combination therapies for primary CNS lymphoma, and investigating outcomes in elderly patients undergoing CAR-T therapy. His work often emphasizes real-world clinical applications and translational research.

Labs/Teams: Active in the Division of Hematology and Oncology at UT Southwestern, collaborating with national/international groups like the International Primary CNS Lymphoma Collaborative Group.