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Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ultra-hypofractionated radiation therapy Clear all
Recruiting Phase 3 Interventional

Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients Receiving the Usual Chemotherapy Treatment for Bladder Cancer, ARCHER Study

NCT07097142
View directory record Official record
Conditions
Muscle Invasive Bladder Urothelial Carcinoma, Stage II Bladder Cancer AJCC v8, Stage IIIA Bladder Cancer AJCC v8
Interventions
Biospecimen Collection, Cisplatin, Computed Tomography, Fluorouracil, Gemcitabine, Hypofractionated Radiation Therapy, Magnetic Resonance Imaging, Mitomycin, Positron Emission Tomography, Survey Administration, Ultrahypofractionated Radiation Therapy
Procedure · Drug · Radiation + 1 more
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
486 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2035
U.S. locations
211
States / cities
Fort Smith, Arkansas • Irvine, California • La Jolla, California + 162 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Phase 2 Interventional

Ultra-Hypofractionated vs. Hypofractionated Radiation for Node-Positive Breast Cancer

NCT06559540
View directory record Official record
Conditions
Node-positive Breast Cancer
Interventions
Hypofractionated radiation, Ultra-hypofractionated breast/chest wall and regional nodal radiation
Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Active, not recruiting Phase 2 Interventional

Phase II Study of Pencil Beam Scanning Proton Stereotactic Body Radiation Therapy for Prostate Cancer

NCT04842890
View directory record Official record
Conditions
Prostate Cancer
Interventions
Pencil Beam Scanning Proton SBRT
Radiation
Lead sponsor
The New York Proton Center
Other
Eligibility
18 Years and older · Male only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Completed Phase 1 Interventional

Dose Escalation Study Using Ultra-Hypofractionated, Image-Guided, Intensity-Modulated Radiotherapy in Prostate Cancer

NCT00911118
View directory record Official record
Conditions
Prostate Cancer, Adenocarcinoma
Interventions
Hypofractionated, image-guided, intensity-modulated external beam radiation
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 85 Years · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2026
U.S. locations
7
States / cities
Commack, New York • Harrison, New York • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Completed Phase 2 Interventional Results available

AASUR in High Risk Prostate Cancer

NCT02772588
View directory record Official record
Conditions
Prostate Cancer
Interventions
ARN-509, Abiraterone, Leuprolide, stereotactic, ultra-fractionated radiotherapy
Drug · Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
11
States / cities
Baltimore, Maryland • Ann Arbor, Michigan • Middletown, New Jersey + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Multi-Center Trial of Androgen Suppression With Abiraterone Acetate, Leuprolide, PARP Inhibition and Stereotactic Body Radiotherapy in Prostate Cancer

NCT04194554
View directory record Official record
Conditions
Prostate Cancer
Interventions
Niraparib, Leuprolide, Abiraterone Acetate, Stereotactic body radiotherapy (SBRT)
Drug · Radiation
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
6
States / cities
Ann Arbor, Michigan • Rochester, Minnesota • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Phase 2 Interventional

The University of Miami Adapt (UAdapt) Trial

NCT06111313
View directory record Official record
Conditions
Prostate Cancer
Interventions
FTLEAD, Ultra-Short-Term Androgen Deprivation Therapy with Relugolix, HypoLEAD, ADT Standard of Care
Radiation · Drug
Lead sponsor
University of Miami
Other
Eligibility
35 Years to 85 Years · Male only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Phase 2 Interventional

Phase II Trial of PSA Response-based Androgen Deprivation Therapy and Nodal Coverage for Prostate Cancer Early Salvage Radiotherapy (RANGER)

NCT07313241
View directory record Official record
Conditions
Prostate Cancer
Interventions
Prostate Fossa Radiotherapy, Pelvic nodal Radiotherapy, Androgen Deprivation Therapy (ADT)
Radiation · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Phase 2 Interventional

Post-prostatectomy Radiation Therapy--Moderate Versus Ultra-hypofractionated (Also Known as Stereotactic Body Radiation Therapy [SBRT])

NCT05038332
View directory record Official record
Conditions
Prostate Cancer
Interventions
Ultra-hypofractionated radiation therapy, Moderately Hypo-fractionated Radiation Therapy
Radiation
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional

Ultra-hypofractionated Radiation in Prostate Cancer

NCT03486821
View directory record Official record
Conditions
Early Stage Prostate Cancer
Interventions
Hypofractionated Radiation
Radiation
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Phase 2 Interventional

Hypofractionated Radiotherapy Followed by Surgical Resection in the Treatment of Soft Tissue Sarcomas

NCT04506008
View directory record Official record
Conditions
Soft Tissue Sarcomas
Interventions
Ultra-Hypo-fractionation Radiotherapy, Resection, Questionnaire Administration, Moderately-Hypo-fractionation Radiotherapy
Radiation · Procedure · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 23, 2026, 2:17 PM EDT
Active, not recruiting Phase 2 Interventional

A Study of MRI-guided High-dose Radiation Therapy in Prostate Cancer

NCT04997018
View directory record Official record
Conditions
Prostate Cancer
Interventions
Radiation Therapy
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Terminated Phase 3 Interventional Results available

Trial of ADT and SBRT Versus SBRT for Intermediate Prostate Cancer

NCT03056638
View directory record Official record
Conditions
Prostate Cancer
Interventions
Degarelix, stereotactic body radiosurgery (SBRT)
Drug · Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
10
States / cities
Miami, Florida • Basking Ridge, New Jersey • Middletown, New Jersey + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 23, 2026, 2:17 PM EDT
Completed Phase 1 Interventional

Radiotherapy to the Prostate and Dominant Intra-Prostatic Lesion (DIL)

NCT03269422
View directory record Official record
Conditions
Prostate Cancer
Interventions
MR-based image-guided, intensity-modulated radiotherapy
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Study of Abiraterone Acetate or Enzalutamide, Atezolizumab, GnRH Analog and Radiation Therapy in Men With Newly Diagnosed Hormone-sensitive Prostate Cancer

NCT04262154
View directory record Official record
Conditions
Metastatic Prostate Cancer
Interventions
Atezolizumab, Abiraterone, Prednisone, GnRH analog, Stereotactic Body Radiotherapy (SBRT), Enzalutamide, Follow up
Drug · Radiation · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Not applicable Interventional

High-dose Brachytherapy Boost With Stereostatic Body Radiation Therapy to Intermediate or Higher Risk Prostate Cancer

NCT05754580
View directory record Official record
Conditions
Prostatic Cancer
Interventions
High Dose Brachytherapy, Stereostatic Body Radiation Therapy
Radiation
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Male only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Phase 2 Interventional

Short Course ADT for High Risk Low/Intermediate Risk ARTERA Prostate Cancer

NCT07801664
View directory record Official record
Conditions
Prostate Cancer
Interventions
Androgen Deprivation Therapy (ADT), Radiotherapy
Drug · Radiation
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Phase 2 Interventional

ADT and SBRT vs SBRT Alone for Unfavorable Intermediate Risk Prostate Cancer

NCT06397703
View directory record Official record
Conditions
Prostate Cancer
Interventions
Leuprolide, Degarelix or Relugolix, Stereotactic body radiation therapy/radiosurgery (SBRT)
Drug · Radiation
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Not applicable Interventional

Evaluation of Tumor Control Based on Serial Multiparametric MRI and Post-Treatment Biopsies For Patients Treated With Dose Intensification to the Dominant Intra-Prostatic Lesion (DIL) Using Ultra-Hypofractionated, MR-Guided Radiotherapy

NCT06542757
View directory record Official record
Conditions
Prostate Cancer
Interventions
1.5 T Elekta Unity MR-Linac system, Hydrogel rectal spacer (SpaceOAR)
Radiation · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Not applicable Interventional

Partial Breast Re-irradiation Using Ultra Hypofractionation (PRESERVE)

NCT05592938
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Recurrent
Interventions
rPBI
Radiation
Lead sponsor
University Health Network, Toronto
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
New York, New York • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Phase 2 Interventional

Ultra-hypofractionated Whole Breast Irradiation With Lumpectomy Cavity Boost for the Treatment of Stage I-III Breast Cancer

NCT06954831
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Breast Carcinoma
Interventions
Cone-Beam Computed Tomography, Hypofractionated External Beam Radiation Therapy, Questionnaire Administration, Radiation Boost, Whole Breast Irradiation
Procedure · Radiation · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
40 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Arcadia, California • Duarte, California • Irvine, California + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Sep 23, 2026, 2:17 PM EDT
Completed Phase 2 Interventional Results available

Radiation Therapy in Combination With Brachytherapy for Clinically Localized, Intermediate Risk Prostate Cancer

NCT02280356
View directory record Official record
Conditions
Prostate Cancer
Interventions
external beam radiation therapy, brachytherapy, questionnaires
Radiation · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
6
States / cities
Basking Ridge, New Jersey • Commack, New York • Harrison, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Sep 23, 2026, 2:17 PM EDT
Recruiting Not applicable Interventional

Evaluating Tolerability of ePUHRT With Brachytherapy Boost

NCT06817668
View directory record Official record
Conditions
Prostate Cancer
Interventions
ePURT 5Gy x 5 fractions with single HDR boost of 15Gy
Radiation
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Sep 23, 2026, 2:17 PM EDT
Active, not recruiting Phase 1 Interventional

A Pilot Study of Ultra-High-Dose Hypofractionated or Single-Dose Radiotherapy for Intermediate Risk Prostate Cancer

NCT04147806
View directory record Official record
Conditions
Prostate Cancer
Interventions
IGRT 45 Gy in 5 fractions of 9 Gy, IGRT 24 Gy single dose, Dexamethasone, Tamsulosin
Radiation · Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
50 Years and older · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 23, 2026, 2:17 PM EDT