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ClinicalTrials.gov public records Last synced Nov 15, 2026, 2:16 PM EST

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Showing 25–36 of 36 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton Stereotactic Body Radiation Therapy Clear all
Completed No phase listed Observational

Proton-Based Stereotactic Ablative Body Radiotherapy for Prostate Cancer

NCT03159676
View directory record Official record
Conditions
Prostate Cancer
Interventions
Proton beam
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Timeline
2017 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Nov 15, 2026, 2:16 PM EST
Terminated Early Phase 1 Interventional

Proton Stereotactic Body Radiation Therapy for Early-Stage Non-Small Cell Lung Cancer

NCT01525446
View directory record Official record
Conditions
Non-small Cell Lung Cancer
Interventions
SBRT with proton beam radiation
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Nov 15, 2026, 2:16 PM EST
Recruiting Phase 1Phase 2 Interventional

A Study of Ivonescimab in People With Non-Small Cell Lung Cancer

NCT07594522
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Photon or Proton standard stereotactic body radiotherapy (SBRT), Ivonescimab
Radiation · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Nov 15, 2026, 2:16 PM EST
Terminated Phase 2 Interventional Results available

Stereotactic Body Radiotherapy (SBRT) Versus Stereotactic Body Proton Therapy (SBPT)

NCT01511081
View directory record Official record
Conditions
Non-small-cell Lung Cancer
Interventions
SBRT (stereotactic body radiotherapy), SBPT (stereotactic body proton therapy)
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Nov 15, 2026, 2:16 PM EST
Terminated No phase listed Observational

Study of Proton SBRT and Immunotherapy for Recurrent/Progressive Locoregional or Metastatic Head and Neck Cancer

NCT03539198
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Proton Stereotactic Body Radiation Therapy (SBRT) (5 fractions; 3500-4500 cGy), Proton Stereotactic Body Radiation Therapy (SBRT) (3-5 fractions; various dose and fractionation regimens depending on treatment site)., Nivolumab 3 mg/kg IV q2 weeks, Proton or Photon SBRT (3-5 fractions; various dose and fractionation regimens depending on treatment site).
Radiation · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Nov 15, 2026, 2:16 PM EST
Active, not recruiting Not applicable Interventional

Primary Breast Oligoprogressive Sites Treated With Radiotherapy to Obviate the Need to Change Systemic Therapy

NCT06055881
View directory record Official record
Conditions
Breast Carcinoma, Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Cancer
Interventions
Biospecimen Collection, Surveys, Stereotactic Body Radiation Therapy (SBRT), Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography
Procedure · Other · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Nov 15, 2026, 2:16 PM EST
Recruiting Not applicable Interventional

Proton SBRT for Spinal Metastasis

NCT06895564
View directory record Official record
Conditions
Spinal Metastasis
Interventions
Spinal Proton SBRT
Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Nov 15, 2026, 2:16 PM EST
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 Nov 15, 2026, 2:16 PM EST
Completed Not applicable Interventional Results available

Individualized Stereotactic Body Radiotherapy of Liver Metastases

NCT01239381
View directory record Official record
Conditions
Solid Tumor, Liver Metastases
Interventions
Stereotactic body radiotherapy-proton
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Nov 15, 2026, 2:16 PM EST
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 Nov 15, 2026, 2:16 PM EST
Recruiting Phase 1 Interventional

Study to Evaluate CD8 PET Imaging as a Marker of Immune Response to Stereotactic Body Radiation Therapy (ELIXR)

NCT05371132
View directory record Official record
Conditions
Metastatic Malignant Solid Neoplasm, Lymphoma
Interventions
Positron Emission Tomography, Stereotactic Body Radiation Therapy, Zirconium Zr 89-Df-Crefmirlimab, Intensity Modulated Radiation Therapy
Procedure · Radiation · Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2026 · Synced Nov 15, 2026, 2:16 PM EST
Completed Phase 3 Interventional Results available

Sorafenib Tosylate With or Without Stereotactic Body Radiation Therapy in Treating Patients With Liver Cancer

NCT01730937
View directory record Official record
Conditions
Adult Primary Hepatocellular Carcinoma, Advanced Adult Primary Liver Cancer, Recurrent Adult Primary Liver Cancer
Interventions
Sorafenib, stereotactic body radiation therapy
Drug · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2025
U.S. locations
41
States / cities
Berkeley, California • Los Angeles, California • San Francisco, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Nov 15, 2026, 2:16 PM EST