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ClinicalTrials.gov public records Last synced Oct 2, 2026, 2:26 AM EDT

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Showing 25–40 of 40 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Hypofractionated Proton Beam Therapy Clear all
Active, not recruiting Phase 1 Interventional

Hypofractionated Accelerated Pelvic Nodal Radiotherapy (GCC 2048)

NCT04486755
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma
Interventions
Hypofractionated Radiation Therapy
Radiation
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Male only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Recruiting Phase 3 Interventional

Conventionally Fractionated vs. Hypofractionated Comprehensive Nodal Irradiation for Breast Cancer Using Pencil Beam Scanning Proton Therapy

NCT05856773
View directory record Official record
Conditions
Breast Cancer
Interventions
Proton Therapy
Radiation
Lead sponsor
Proton Collaborative Group
Network
Eligibility
19 Years and older · Female only
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2041
U.S. locations
9
States / cities
Scottsdale, Arizona • San Diego, California • Jacksonville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Recruiting Not applicable Interventional

Hypofractionated Proton Therapy for Benign Intracranial Brain Tumors, the HiPPI Study

NCT04278118
View directory record Official record
Conditions
Grade I Meningioma, Grade II Meningioma, Grade III Meningioma, Intracranial Neoplasm, Nerve Sheath Neoplasm, Pituitary Gland Adenoma, Schwannoma
Interventions
Hypofractionated Radiation Therapy, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration
Radiation · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2031
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Active, not recruiting Phase 2 Interventional

Hypofractionated Proton Beam Therapy for Localized Prostate Cancer

NCT01950351
View directory record Official record
Conditions
Stage I Prostate Adenocarcinoma AJCC v7, Stage II Prostate Adenocarcinoma AJCC v7
Interventions
Laboratory Biomarker Analysis, Proton Beam Radiation Therapy, Quality-of-Life Assessment
Other · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
241 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Recruiting Not applicable Interventional

LITT Followed by Hypofractionated RT for Newly Diagnosed Gliomas (GCC 20138)

NCT04699773
View directory record Official record
Conditions
Glioma, Glioblastoma, Brain Tumor
Interventions
LITT, Hypofractionated Radiation Therapy
Procedure · Radiation
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
5
States / cities
Baltimore, Maryland • Bel Air, Maryland • Columbia, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Terminated Phase 1 Interventional

Study of Hypofractionated Proton Radiation Therapy in Thoracic Malignancies

NCT01165658
View directory record Official record
Conditions
Non-small Cell Lung Cancer, Small Cell Lung Cancer, Carcinoid, Thymic Cancer, Lung Cancer
Interventions
Proton Therapy
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 2, 2020 · Synced Oct 2, 2026, 2:26 AM EDT
Recruiting Not applicable Interventional

Proton Radiation Therapy for the Treatment of Patients With High Risk Prostate Cancer

NCT04725903
View directory record Official record
Conditions
Stage III Prostate Cancer AJCC v8, Stage IIIA Prostate Cancer AJCC v8, Stage IIIB Prostate Cancer AJCC v8, Stage IIIC Prostate Cancer AJCC v8
Interventions
High-Dose Rate Brachytherapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Survey Administration
Radiation · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Recruiting Phase 2 Interventional

Shortening Adjuvant Photon and Proton Irradiation (SAPPHIRe-II): A 4 Cohort, Randomized, Phase II Multi-center Trial Evaluating Shorter Schedules of Adjuvant Regional Nodal Irradiation Among Women and Men With Node-positive and High-risk Node-negative Invasive Breast Cancer

NCT07076485
View directory record Official record
Conditions
Breast Cancer
Interventions
Ultrahypofractionated Radiation, Moderately Hypofractionated Radiation
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
768 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
5
States / cities
Loveland, Colorado • Jacksonville, Florida • Voorhees Township, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 2, 2026, 2:26 AM 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 13, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional

Hypofractionated Proton Radiation Therapy for Low and Intermediate Risk Prostate Cancer

NCT01368055
View directory record Official record
Conditions
Prostate Cancer
Interventions
70 Gy/CGE, 72.5 Gy/CGE
Radiation
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older · Male only
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 2, 2026, 2:26 AM EDT
Active, not recruiting Not applicable Interventional

LITT Followed by Hypofractionated RT for Recurrent Gliomas

NCT04181684
View directory record Official record
Conditions
Glioblastoma, Brain Tumor, Glioma, Neoplasms
Interventions
Procedure: LITT, Hypo-Fractionated Radiation Therapy
Device · Radiation
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
22 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
4
States / cities
Baltimore, Maryland • Bel Air, Maryland • Columbia, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Recruiting Phase 2 Interventional

Reduced Dose Radiotherapy for the Treatment of Indolent Non-Hodgkin Lymphoma

NCT06386315
View directory record Official record
Conditions
Indolent B-Cell Non-Hodgkin Lymphoma, Recurrent Indolent B-Cell Non-Hodgkin Lymphoma, Refractory Indolent B-Cell Non-Hodgkin Lymphoma, Recurrent Indolent Non-Hodgkin Lymphoma, Refractory Indolent Non-Hodgkin Lymphoma
Interventions
Computed Tomography, Endoscopic Procedure, Involved-site Radiation Therapy (3 Fractions), Involved-site Radiation Therapy (12 Fractions), Positron Emission Tomography, Questionnaire Administration
Procedure · Radiation · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
7
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Albert Lea, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Recruiting Phase 2 Interventional

Preoperative Hypofractionated Radiotherapy With FOLFOX for Esophageal or Gastroesophageal Junction Adenocarcinoma

NCT06078709
View directory record Official record
Conditions
Clinical Stage I Esophageal Adenocarcinoma AJCC v8, Clinical Stage I Gastroesophageal Junction Adenocarcinoma AJCC v8, Clinical Stage II Esophageal Adenocarcinoma AJCC v8, Clinical Stage II Gastroesophageal Junction Adenocarcinoma AJCC v8, Clinical Stage III Esophageal Adenocarcinoma AJCC v8, Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Endoscopic Ultrasound, Esophagogastroduodenoscopy, Fluorouracil, Hypofractionated Radiation Therapy, Leucovorin Calcium, Oxaliplatin, Positron Emission Tomography, Survey Administration, Docetaxel, Durvalumab
Procedure · Drug · Radiation + 2 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Terminated Phase 1 Interventional

Proton Radiation Therapy With Cisplatin and Etoposide Followed by Surgery in Stage III Non-Small Cell Lung Cancer

NCT01565772
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Proton Beam Radiation, Cisplatin, Etoposide
Radiation · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 2, 2026, 2:26 AM EDT
Active, not recruiting Phase 3 Interventional

SBRT Versus Hypofractionated Radiotherapy for Biochemically Recurrent or Oligometastatic Prostate Adenocarcinoma

NCT06205316
View directory record Official record
Conditions
Biochemically Recurrent Prostate Carcinoma, Oligometastatic Prostate Carcinoma, Recurrent Prostate Adenocarcinoma, Stage IIB Prostate Cancer AJCC v8, Stage IIC Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8, Stage IV Prostate Cancer AJCC v8
Interventions
Antiandrogen Therapy, Biospecimen Collection, Hypofractionated Radiation Therapy, Positron Emission Tomography, Stereotactic Body Radiation Therapy, Survey Administration, Magnetic Resonance Imaging
Drug · Procedure · Radiation + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
6
States / cities
Scottsdale, Arizona • Albert Lea, Minnesota • Mankato, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 2, 2026, 2:26 AM EDT
Active, not recruiting Not applicable Interventional

A Prospective Comparative Study of Outcomes With Proton and Photon Radiation in Prostate Cancer

NCT03561220
View directory record Official record
Conditions
Prostate Cancer
Interventions
Standard of Care IMRT (Photon), Standard of Care Proton Therapy, Proton Arm 1: Standard Proton Therapy, Proton Arm 2: Hypofractionated Proton Therapy
Radiation
Lead sponsor
University of Florida
Other
Eligibility
30 Years to 85 Years · Male only
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
53
States / cities
Birmingham, Alabama • La Jolla, California • Loma Linda, California + 44 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 2, 2026, 2:26 AM EDT