AmarUpadhyayaKishanMD

Radiation Oncology • Los Angeles, CA

Assistant Professor of Radiation Oncology

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Office
UCLA Medical Center
200 Medical Plaza, Suite B265
Los Angeles, CA 90095
Phone+1 310-825-9771

Fax+1 310-825-9771
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Education & Training

UCLA David Geffen School of Medicine/UCLA Medical CenterResidency, Radiation Oncology, 2013 - 2017
Scripps Mercy HospitalInternship, Transitional Year, 2012 - 2013
Harvard Medical SchoolClass of 2012

Certifications & Licensure

CA State Medical License 2014 - 2026
American Board of Radiology Radiation Oncology

Clinical Trials

Stereotactic Body Radiation Therapy in Treating Patients With Localized Prostate Cancer That Have Undergone Surgery Start of enrollment: 2019 Jan 29
Active, not recruiting
Phase 2

Publications & Presentations

PubMed

Randomized Trial of Prostate-Specific Membrane Antigen PET/CT Before Definitive Radiotherapy for Unfavorable Intermediate- and High-Risk Prostate Cancer (PSMA-dRT Trial).
Ethan Lam, Kiara Adame Booker, Wolfgang P Fendler, Matthias Eiber, Boris Hadaschik, Ken Herrmann, Nader Hirmas, Helena Lanzafame, Martin Stuschke, John Nikitas, Johann...> ;Journal of Nuclear Medicine. 2024 Apr 25
Prostate Radiotherapy in Low-volume Metastatic Hormone-sensitive Prostate Cancer: A Network Meta-analysis.
Soumyajit Roy, Gagan Fervaha, Yilun Sun, Andrew Loblaw, Shawn Malone, Michael Ong, Fred Saad, Christopher J D Wallis, Scott C Morgan, Daniel E Spratt, Amar U Kishan> ;European Urology. 2024 Apr 2
2 citations
Quantifying Intrafraction Motion and the Impact of Gating for Magnetic Resonance Imaging-Guided Stereotactic Radiation therapy for Prostate Cancer: Analysis of the Mag...
Jack Neylon, Ting Martin Ma, Ricky Savjani, Daniel A Low, Michael L Steinberg, James M Lamb, Nicholas G Nickols, Amar U Kishan, Minsong Cao> ;International Journal of Radiation Oncology, Biology, Physics. 2024 Apr 1
Intra-fractional geometric and dose/volume metric variations of magnetic resonance imaging-guided stereotactic radiotherapy of prostate bed after radical prostatectomy.
Yu Gao, Yingli Yang, Ke Sheng, Daniel A Low, Minsong Cao, Stephanie Yoon, Ting Martin Ma, Leslie Ballas, Michael L Steinberg, Amar U Kishan> ;Physics and Imaging in Radiation Oncology. 2024 Apr 1
Effect of Prior Prostate Directed Local Therapy on Response to Apalutamide in Metastatic Hormone Sensitive Prostate Cancer: A Secondary Analysis of the TITAN Study.
Soumyajit Roy, Fred Saad, Shawn Malone, Neeraj Agarwal, Osama Mohamad, Scott C Morgan, Julia Malone, Umang Swami, Angela Y Jia, Georges Gebrael, Prateek Mendiratta, Ja...> ;European Urology. 2024 Apr 1
Treatment intensification strategies for men undergoing definitive radiotherapy for high-risk prostate cancer.
Nicholas G Nichols, Matthew Rettig, John Nikitas, Amar Kishan, Albert Chang, Sai Duriseti, Robert Reiter, Wayne Brisbane, Michael L Steinberg, Luca Valle> ;World Journal of Urology. 2024 Mar 16
Systemic and Tumor-directed Therapy for Oligorecurrent Metastatic Prostate Cancer (SATURN): Primary Endpoint Results from a Phase 2 Clinical Trial.
John Shen, Ankush Sachdeva, Tahmineh Romero, John Nikitas, Matthew Rettig, Robert Reiter, Alan Lee, Michael L Steinberg, Luca F Valle, Jeremie Calais, Johannes Czernin...> ;European Urology. 2024 Mar 16
Systemic and Tumor-directed Therapy for Oligometastatic Prostate Cancer: The SOLAR Phase 2 Trial in De Novo Oligometastatic Prostate Cancer.
Nicholas G Nickols, Sonny Tsai, Nathanael Kane, Samantha Tran, Leila Ghayouri, Silvia Diaz-Perez, May Thein, Nancy Anderson-Berman, Jeanie Eason, Amar U Kishan, Michae...> ;European Urology. 2024 Mar 14
The Potential Contribution of Radiopharmaceutical Therapies in Managing Oligometastatic Disease.
Siva, S., Hofman, M., Nagarajah, J., Kishan, A., Kiess, A., Tran, P., Calais, J.> ;Journal of Nuclear Medicine. 2024 Feb 15
Impact of Prostate-specific Membrane Antigen Positron Emission Tomography/Computed Tomography on Prostate Cancer Salvage Radiotherapy Management: Results from a Prospe...
Armstrong, W., Booker, K., Grogan, T., Elashoff, D., Lam, E., Clark, K., Fendler, W., Kishan, A., Steinberg, M., Hope, T., Nickols, N., Czernin, J., Calais, J.> ;European Urology. 2024 Jan 29
Impact of PSMA PET on Prostate Cancer Management.
Adam B Weiner, Raag Agrawal, Luca F Valle, Ida Sonni, Amar U Kishan, Matthew B Rettig, Steven S Raman, Jeremie Calais, Paul C Boutros, Robert E Reiter> ;Current Treatment Options in Oncology. 2024 Feb 1
The Use of Magnetic Resonance Imaging in Radiation Therapy Treatment Simulation and Planning.
Kiaran P McGee, Minsong Cao, Indra J Das, Victoria Yu, Robert J Witte, Amar U Kishan, Luca F Valle, Florian Wiesinger, Chiara De-Colle, Yue Cao, William G Breen, Bryan...> ;Journal of Magnetic Resonance Imaging. 2024 Jan 24
Acute and long-term toxicity in primary hypofractionated external photon radiation therapy in patients with localized prostate cancer.
Lilleby, W., Geinitz, H., Kishan, A.> ;World Journal of Urology. 2024 Jan 20
MR-LINAC, a New Partner in Radiation Oncology: Current Landscape.
Ocanto, A., Torres, L., Montijano, M., Rincón, D., Fernández, C., Sevilla, B., Gonsalves, D., Teja, M., Guijarro, M., Glaría, L., Hernánz, R., Zafra-Martin, J., Sanmam...> ;Cancers. 2024 Jan 8
1 citations
MRI-Guided Radiotherapy for Prostate Cancer: Seeing is Believing.
Westley, R., Tree, A., Valle, L., Kishan, A.> ;Seminars in Radiation Oncology. 2024 Jan 1
Prognostic utility of biopsy-basedandstatus on biochemical progression and overall survival after SBRT for localized prostate cancer.
Alan L Zwart, Malika Danner, Marilyn Ayoob, Thomas Yung, Siyuan Lei, Brian T Collins, Deepak Kumar, Simeng Suy, Sean P Collins, Michael C Repka, Tamir Sholklapper, Rya...> ;Frontiers in Oncology. 2024 Jan 1
1 citations
Prostate-Specific Antigen Response to Androgen Deprivation Therapy in the Neoadjuvant Setting for High-Risk Prostate Adenocarcinoma (PIRANHA): Pooled Analysis of Two R...
Nikitas, J., Ong, W., Carrier, N., Romero, T., Millar, J., Steinberg, M., Rettig, M., Boutros, P., Reiter, R., Nickols, N., Valle, L., McGuire, S., Spratt, D., Souhami...> ;International Journal of Radiation Oncology, Biology, Physics. 2023 Dec 25
Dosimetric predictors for genitourinary toxicity in MR-guided stereotactic body radiation therapy (SBRT): Substructure with fraction-wise analysis.
Pham, J., Neilsen, B., Liu, H., Cao, M., Yang, Y., Sheng, K., Ma, T., Kishan, A., Ruan, D.> ;Medical Physics. 2024 Jan 1
Racial and Ethnic Disparities in Use of Novel Hormonal Therapy Agents in Patients With Prostate Cancer.
Ting Martin Ma, Neeraj Agarwal, Brandon Mahal, Regina Barragan-Carrillo, Daniel Spratt, Matthew B Rettig, Luca F Valle, Michael L Steinberg, Isla Garraway, Neha Vapiwa...> ;JAMA Network Open. 2023 Dec 1
2 citations
Use of focal radiotherapy boost for prostate cancer: radiation oncologists' perspectives and perceived barriers to implementation.
Allison Y Zhong, Asona J Lui, Matthew S Katz, Alejandro Berlin, Sophia C Kamran, Amar U Kishan, Vedang Murthy, Himanshu Nagar, Daniel Seible, Bradley J Stish, Alison C...> ;Radiation Oncology. 2023 Nov 11
Effect of Pelvic External Beam Radiation Therapy on Bone Mineral Density: A Secondary Analysis of a Phase 3 Randomized Controlled Trial.
Soumyajit Roy, Shawn Malone, Yilun Sun, Nicholas G Zaorsky, Daniel E Spratt, Scott C Morgan, Robert T Dess, Christopher J D Wallis, Amar U Kishan, Deborah E Citrin, Fr...> ;International Journal of Radiation Oncology, Biology, Physics. 2024 May 1
Monitoring Intrafraction Motion of the Prostate During Radiation Therapy: Suggested Practice Points From a Focused Review.
Aoi Shimomura, Tianming Wu, Iris Rusu, Amar U Kishan, Alison C Tree, Abhishek A Solanki, Stanley L Liauw> ;Practical Radiation Oncology. 2023 Oct 22
1 citations
Impact of Interfractional Bladder and Trigone Displacement and Deformation on Radiation Exposure and Subsequent Acute Genitourinary Toxicity: A Post Hoc Analysis of Pa...
Beth K Neilsen, Ting Martin Ma, Wisdom O Akingbemi, Jack Neylon, Maria C Casado, Sahil Sharma, Ke Sheng, Dan Ruan, Daniel A Low, Yingli Yang, Luca F Valle, Michael L S...> ;International Journal of Radiation Oncology, Biology, Physics. 2024 Mar 15
Bullseye or Tip of the Iceberg: Magnetic Resonance Imaging-visible Disease in Radiorecurrent Prostate Cancer.
Amar U Kishan, Luca F Valle, Leonard S Marks> ;European Urology. 2024 Jan 1
Association of PSA kinetics after testosterone recovery with subsequent recurrence: secondary analysis of a phase III randomized controlled trial.
Soumyajit Roy, Amar U Kishan, Scott C Morgan, Levi Martinka, Daniel E Spratt, Yilun Sun, Julia Malone, Scott Grimes, Deborah E Citrin, Shawn Malone> ;World Journal of Urology. 2023 Dec 1
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Journal Articles

Trends in Use and Comparison of Stereotactic Body Radiation Therapy, Brachytherapy, and Dose-Escalated External Beam Radiation Therapy for the Management of Localized,...
James B Yu, Amar U Kishan, JAMA Network Open

Press Mentions

New Data Reinforce Ability of Veracyte’s Decipher Prostate Genomic Classifier to Help Identify Prostate Cancer Patients Who Would Benefit from Treatment IntensificationApril 17th, 2023
MRI-Guided SBRT Shows Superiority to CT-Guided SBRT in Localized Prostate CancerDecember 2nd, 2022
Sequencing of Short-Duration ADT with Radiotherapy in Nonmetastatic Prostate CancerNovember 8th, 2022
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