John N Nikitas

John N Nikitas, MD
Assistant Professor of Radiation Oncology at the Hospital of the University of Pennsylvania
Department: Radiation Oncology
Contact information
3400 Civic Center Boulevard
Philadelphia, PA 19104
Philadelphia, PA 19104
Education:
BA (Biochemistry)
Washington University in St. Louis, 2016.
MD
Washington University School of Medicine, 2020.
Permanent linkBA (Biochemistry)
Washington University in St. Louis, 2016.
MD
Washington University School of Medicine, 2020.
> Perelman School of Medicine > Faculty > Details
Selected Publications
Kishan AU, Sun Y, Tree AC, Hall E, Dearnaley D, Catton CN, Lukka HR, Pond G, Lee WR, Sandler HM, Feng FY, Nguyen PL, Incrocci L, Heemsbergen W, Pos FJ, Horwitz E, Wong JK, Hoffman KE, Hassanzadeh C, Kuban DA, Arcangeli S, Sanguineti G, Supiot S, Crehange G, Latorzeff I, Kalbasi TR, Steinberg ML, Valle LF, Loblaw A, Nikitas J, Roy S, Zaorsky NG, Jia AY, Spratt DE: Hypofractionated radiotherapy for prostate cancer (HYDRA): an individual patient data meta-analysis of randomised trials in the MARCAP consortium. Lancet Oncol 26(4): 459-469, Apr 2025.Nikitas J, Jamshidian P, Tree AC, Hall E, Dearnaley D, Michalski JM, Lee WR, Nguyen PL, Sandler HM, Catton CN, Lukka HR, Incrocci L, Heemsbergen W, Pos FJ, Roy S, Malone S, Horwitz E, Wong JK, Arcangeli S, Sanguineti G, Romero T, Sun Y, Steinberg ML, Valle LF, Weidhaas JB, Spratt D, Telesca D, Kishan AU: The interplay between acute and late toxicity among patients receiving prostate radiotherapy: an individual patient data meta-analysis of six randomised trials. Lancet Oncology 26(3): 378-386, Mar 2025.
Ong WL, Romero T, Roy S, Nikitas J, Joseph D, Zapatero A, Malone S, Morgan SC, Steinberg ML, Valle LF, Zaorsky NG, Martin Ma T, Rettig MB, Nickols N, Jiang T, Reiter RE, Eleswarapu SV, Maldonado X, Sun Y, Nguyen PL, Millar JL, Martin JM, Spratt DE, Kishan AU; MARCAP Consortium Investigators: Testosterone Recovery Following Androgen Suppression and Prostate Radiotherapy (TRANSPORT): A Pooled Analysis of Five Randomized Trials from the Meta-Analysis of Randomized Trials in Cancer of the Prostate (MARCAP) Consortium. Eur Urol 87(1): 49-57, Jan 2025.
Nikitas J, Gafita A, Benz MR, Djaïleb L, Farolfi A, Hotta M, Sonni I, Alano R, Rettig M, Shen J, Armstrong W, Grogan T, Liu S, Czernin J, Calais J: Phase 2 trial of PSMA PET CT versus planar bone scan and CT in prostate cancer patients progressing while on androgen deprivation therapy. Sci Rep 14(1): 24411, Oct 2024.
Nikitas J, Jamshidian P, Tree A, Hall E, Dearnaley D, Michalski J, Lee WR, Incrocci L, Heemsbergen W, Roy S, Malone S, Horwitz E, Wong J, Arcangeli S, Sanguineti G, Steinberg M, Weidhaas J, Spratt D, Telesca D, Kishan AU: The Interplay between Acute and Late Toxicity among Patients Receiving Prostate Radiotherapy: A Pooled Analysis of 7 Randomized Trials. 66th Annual Meeting, American Society for Radiation Oncology, Washington, D.C. Oct 2024 Notes: Oral.
Nikitas J, Lira S, Ells Z, Zhu S, Grogan T, Elashoff D, Holzgreve A, Unterrainer L, Dahlbom M, Allen-Auerbach M, Czernin J, Calais J: Phase 2 Prospective Trial of Re-Treatment with 177Lu-PSMA-617 Molecular Radiotherapy for Metastatic Castration Resistant Prostate Cancer (RE-LuPSMA): Study Protocol. 66th Annual Meeting, American Society for Radiation Oncology, Washington, D.C. Oct 2024 Notes: Poster.
Nikitas J, Kendal J, Savjani R, Jackson N, Deng J, Hernandez J, Chong N, Kadera B, Crompton J, Wessel L, Chmielowski B, Singh A, Nelson S, Dry S, Weidhaas J, Steinberg M, Bernthal N, Eilber F, Kalbasi A, Reddy K: A Phase II Trial of 5-Day Neoadjuvant Radiation Therapy for Patients with High-Risk Primary Soft Tissue Sarcoma: Long-Term Follow-up and Outcomes. 66thAnnual Meeting, American Society for Radiation Oncology, Washington, D.C. Oct 2024 Notes: Oral.
Nikitas J, Castellanos Rieger A, Farolfi A, Seyedroudbari A, Kishan AU, Nickols NG, Steinberg ML, Valle LF, Rettig M, Czernin J, Calais J: Prostate-Specific Membrane Antigen PET/CT-Guided, Metastasis-Directed Radiotherapy for Oligometastatic Castration-Resistant Prostate Cancer. J Nucl Med 65(9): 1387-1394, Sep 2024.
Nikitas J, Kashani C, Oughourlian T, Jahanshahi N, Yokomizo M, Tappuni S, Nesbit S, Suh R, Genshaft S, Lee A, Deng J, Steinberg M, Abtin F, Moghanaki D: Comparison of Image-Guided Thermal Ablation or Stereotactic Body Radiation Therapy for Primary Non-Small Cell Lung Cancer. 2024 World Conference on Lung Cancer, San Diego, CA Sep 2024 Notes: Poster.
Ong WL, Nikitas J, Joseph D, Steigler A, Millar J, Valle L, Steinberg ML, Ma TM, Reiter RE, Rettig MB, Nickols NG, Chang A, Zaorsky NG, Spratt DE, Romero T, Kishan AU: Long-Term Quality-of-Life Outcomes After Prostate Radiation Therapy With or Without High-Dose-Rate Brachytherapy Boost: Post Hoc Analysis of TROG 03.04 RADAR. Int J Radiat Oncol Biol Phys 119(3): 813-825, Jul 2024.