Steven Neema Seyedin

picture of Steven Neema Seyedin

Assistant Clinical Professor, Radiation Oncology
School of Medicine

B.A., University of California Berkeley, 2004, Molecular and Cellular Biology
M.D., David Geffen School of Medicine at UCLA, 2014

Phone: 714-456-5651

University of California, Irvine
101 The City Drive South
Building 23
Irvine, CA 92697
Research Interests
genitourinary malignancies, gastrointestinal malignancies, stereotactic body radiation therapy, radiosensitizers
Research Abstract
Dr. Seyedin's research interests involve the application of radiation for gastrointestinal and genitourinary cancers. He has been published in highly-recognized journals, including JAMA Oncology, IJROBP, Frontiers in Oncology, Clinical Cancer Research and Radiation Research.
Awards and Honors
2020 ASTRO Annual Meeting Resident Recognition Award in Biology
2020 UIHC Excellence in Clinical Teaching Award
2019 American Brachytherapy Society HDR LDR Prostate Scholarship Workshop
2019 RSNA Roentgen Resident Research Award
2019 ASTRO Annual Meeting Abstract Travel Award
2018 RSNA Roentgen Resident Research Award
2012 David Geffen School of Medicine at UCLA Student Teacher Award
Short Biography
Dr. Steven Seyedin is an Assistant Professor of Clinical Radiation Oncology at UCI Health. He graduated from the University of California, Berkeley, with a Bachelor of Arts in Molecular and Cell Biology with an emphasis in Biochemistry and Molecular Biology. He earned his medical degree from David Geffen School of Medicine at UCLA.

Before residency, Dr. Seyedin completed a research fellowship in the Department of Radiation Oncology at MD Anderson Cancer. He then completed his residency training at the University of Iowa Hospital and Clinics.
Seyedin SN, Ginader TG, Caster JM. The Potential Benefit of Definitive Focal Therapies in Select Patients with Metastatic Esophageal Cancer: A National Cancer Database Investigation. Annals of Thoracic Oncology, Online ahead of print. doi: 10.1016/j.athoracsur.2020.08.034
Seyedin SN, Gannon MK, Plictha KP, Abushahin LI, Berg DJ, Arshava EV, Parekh KP, Keech JC, Caster JM, Welsh JW, Allen BG. Safety and Efficacy of SBRT for Locoregional Recurrences after Prior Chemoradiation for Advanced Esophageal Carcinoma. Front Oncol. 10:1311. doi:10.3389/fonc.2020. 01311
Seyedin SN, Callaghan CM, Mohiuddin I, Hawkes KL, Anderson CM, Buatti JM, Milhem MM, Monga V, Allen BG. The Effect of Concurrent Stereotactic Body Radiation and anti-PD-1 therapy for Recurrent Metastatic Sarcoma. Radiat Res. 2020; 194(2):124-132
Seyedin SN, Hasibuzzaman MM, Pham V, Petronek MS, Callaghan CM, Kalen AL, Mapuskar KA, Mott SL, Spitz DR, Allen BG, and Caster JM. Combination Radiation Therapy and PARP Inhibition Enhances Responsiveness to anti-PD-1 therapy in Colorectal Tumor Models. IJROBP. 2020; 108(1):81-92.
Chen D, Menon H, Verma V, Seyedin SN, Ajain JA, Hofstetter WL, Nguyen ON, Chang JY, Gomez DR, Amini A, Swisher SG, Blum MA, Younes AI, Barsoumian HB, Erasmus JJ, Lee JH, Bhutani M, Minsky BD, Welsh JW. Results of a Phase I/II Trial of Chemoradiotherapy With Simultaneous Integrated Boost for Radiotherapy Dose in Unresectable Locally Advanced Esophageal Cancer. JAMA Oncol. 2019; 5(11):1597-1604
Baek S, He Y, Allen BG, Buatti JM, Smith BJ, Tong L, Sun Z, Li R, Wu J, Diehn M, Loo BW, Plichta KA, Seyedin SN, Gannon MK, Cabel KR, Kim Y, Wu X. Deep Segmentation Networks Predict Survival of Non-Small Lung Cancer. Scientific Reports. 2019; 9(1): 17286.
Allen BG, Bodeker KL, Smith MC, Monga V, Sandhu S, Hohl R, Carlisle T, Brown H, Hollenbeck N, Vollstedt S, Greenlee JD, Howard MA, Mapuskar KA, Seyedin SN, Caster JM, Jones KA, Culen JJ, Berg D, Wagner BA, Buettner GR, TenNapel MJ, Smith BJ, JM Buatti. First-in-human phase 1 clinical trial of pharmacological ascorbate combined with radiation and temozolomide for newly diagnosed glioblastoma multiforme. Clinical Cancer Research. 2019; 25(22): 6590-6597.
Professional Societies
Radiation Research Society (RADES)
American Society of Clinical Oncology (ASCO)
American Society for Radiation Oncology (ASTRO)
Radiologic Society of North America (RSNA)
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