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ClinicalTrials.gov public records Last synced Oct 25, 2026, 9:23 PM EDT

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Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton Particle Therapy Clear all
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 Oct 25, 2026, 9:23 PM EDT
Completed Not applicable Interventional Results available

Proton Beam Teletherapy for Post-Hysterectomy Cancers of the Uterus and Cervix

NCT01600040
View directory record Official record
Conditions
Uterine Cancer, Cervical Cancer
Interventions
Proton radiation therapy
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Oct 25, 2026, 9:23 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Dose-Escalated Photon IMRT or Proton Beam Radiation Therapy Versus Standard-Dose Radiation Therapy and Temozolomide in Treating Patients With Newly Diagnosed Glioblastoma

NCT02179086
View directory record Official record
Conditions
Glioblastoma
Interventions
Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Temozolomide
Radiation · Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2030
U.S. locations
230
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 179 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prospective Study of Intensity-Modulated Proton Therapy (IMPT) for Small Cell Lung Cancer

NCT04342429
View directory record Official record
Conditions
Small-cell Lung Cancer
Interventions
Proton-beam Therapy for Small Cell Lung Cancer
Radiation
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Recruiting Phase 2 Interventional

Folfox+Irinotecan+Chemort In Esophageal Cancer

NCT04656041
View directory record Official record
Conditions
Gastroesophageal Junction Adenocarcinoma, Esophagogastric Cancer
Interventions
FOLFOX/ nal-IRI, Paclitaxel, Carboplatin, Proton Radiation Therapy
Drug · Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Boston, Massachusetts • Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 25, 2026, 9:23 PM EDT
Active, not recruiting Phase 3 Interventional

Intensity-Modulated Proton Beam Therapy or Intensity-Modulated Photon Therapy in Treating Patients With Stage III-IVB Oropharyngeal Cancer

NCT01893307
View directory record Official record
Conditions
Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7
Interventions
Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2031
U.S. locations
22
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Gainesville, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Proton Beam Therapy for Treatment of Hepatocellular Carcinoma

NCT00614913
View directory record Official record
Conditions
Liver Cancer, Hepatocellular Carcinoma
Interventions
Proton radiation therapy
Radiation
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2009
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2012 · Synced Oct 25, 2026, 9:23 PM EDT
Suspended Phase 2 Interventional

Stereotactic Body Radiation Therapy or Intensity Modulated Radiation/Proton Therapy in Treating Patients With Recurrent Head and Neck Cancer

NCT03164460
View directory record Official record
Conditions
Recurrent Head and Neck Carcinoma
Interventions
Intensity-Modulated Radiation Therapy, Proton Radiation, Stereotactic Body Radiation Therapy
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Active, not recruiting Phase 1 Interventional

OKN-007 in Combination With Adjuvant Temozolomide Chemoradiotherapy for Newly Diagnosed Glioblastoma

NCT03587038
View directory record Official record
Conditions
Glioblastoma
Interventions
OKN 007, Temozolomide, Photon/Proton IMRT
Drug · Radiation
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 99 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Results available

A Pilot Study to Determine the Safety of the Combination of Ontak in Combination With CHOP in Peripheral T-Cell Lymphoma

NCT00337987
View directory record Official record
Conditions
Peripheral T-Cell Lymphoma
Interventions
Ontak, CHOP (cyclophosphamide (C), adriamycin (H), vincristine (O), and prednisone (P)) chemotherapy
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 27, 2015 · Synced Oct 25, 2026, 9:23 PM EDT
Completed Not applicable Interventional Results available

Proton Therapy for Lymph Nodes in Breast Cancer

NCT01365845
View directory record Official record
Conditions
Breast Cancer
Interventions
Photon, 3D-Proton/Conventional plan or 3D-proton only
Radiation
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 29, 2018 · Synced Oct 25, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Results available

18F-DOPA-PET/MRI Scan in Imaging Elderly Patients With Newly Diagnosed Grade IV Malignant Glioma or Glioblastoma During Planning for a Short Course of Proton Beam Radiation Therapy

NCT03778294
View directory record Official record
Conditions
Glioblastoma, Malignant Glioma
Interventions
Computed Tomography, Fluorodopa F 18, Magnetic Resonance Imaging, Positron Emission Tomography, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration, Temozolomide
Procedure · Other · Radiation + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Oct 25, 2026, 9:23 PM 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 25, 2026, 9:23 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pembrolizumab and Stereotactic Body Radiation Therapy or Non-Stereotactic Wide-Field Radiation Therapy in Treating Patients With Non-small Cell Lung Cancer

NCT02444741
View directory record Official record
Conditions
Malignant Solid Neoplasm, Metastatic Lung Non-Small Cell Carcinoma, Stage IV Lung Non-Small Cell Cancer AJCC v7
Interventions
3-Dimensional Conformal Radiation Therapy, Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Pembrolizumab, Proton Beam Radiation Therapy, Radiation Therapy, Stereotactic Body Radiation Therapy
Radiation · Other · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Recruiting Phase 2 Interventional

Proton Beam Radiation Therapy After Treatment for Resected N2 Non-Small Cell Lung Cancer

NCT06008730
View directory record Official record
Conditions
Resectable Lung Non-Small Cell Carcinoma
Interventions
Biospecimen Collection, Proton Beam Radiation Therapy, Radiology, Treatment Planning
Procedure · Radiation · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Completed Not applicable Interventional

Proton Particle Therapy for Cardiac Arrhythmia

NCT04392193
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Proton Particle Therapy
Radiation
Lead sponsor
Konstantinos Siontis
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Oct 25, 2026, 9:23 PM EDT
Recruiting Phase 2 Interventional

Phase 2 Randomized Trial of Flexible Dosing Schedule of 177Lu-PSMA-617 for the Treatment of Metastatic Castration-Resistant Prostate Cancer (FLEX-MRT)

NCT06216249
View directory record Official record
Conditions
Prostate Carcinoma, Stage IVB Prostate Cancer American Joint Committee on Cancer (AJCC) v8
Interventions
Computed Tomography, Gallium Ga 68 Gozetotide, Lutetium Lu 177 Vipivotide Tetraxetan, Positron Emission Tomography, PSMA PET Scan, Questionnaire Administration, Single Photon Emission Computed Tomography
Procedure · Other · Drug
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Active, not recruiting Phase 3 Interventional

Comparing Photon Therapy To Proton Therapy To Treat Patients With Lung Cancer

NCT01993810
View directory record Official record
Conditions
Stage II Non-Small Cell Lung Cancer AJCC v7, Stage IIA Non-Small Cell Lung Carcinoma AJCC v7, Stage IIB Non-Small Cell Lung Carcinoma AJCC v7, Stage III Non-Small Cell Lung Cancer AJCC v7, Stage IIIA Non-Small Cell Lung Cancer AJCC v7, Stage IIIB Non-Small Cell Lung Cancer AJCC v7
Interventions
Carboplatin, Cisplatin, Durvalumab, Etoposide, Paclitaxel, Pemetrexed Disodium, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration
Drug · Biological · Radiation + 1 more
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2028
U.S. locations
30
States / cities
Jacksonville, Florida • Warrenville, Illinois • Baltimore, Maryland + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 25, 2026, 9:23 PM EDT
Completed Not applicable Interventional Results available

Study of Hypofractionated Proton Beam Radiation Therapy for Prostate Cancer

NCT00831623
View directory record Official record
Conditions
Prostate Cancer
Interventions
Proton Radiation, Proton
Radiation
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older · Male only
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Oct 25, 2026, 9:23 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Prostate Cancer Parameters for Patients Receiving Proton Treatment

NCT02110849
View directory record Official record
Conditions
Prostate Cancer
Interventions
Proton
Radiation
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 7, 2016 · Synced Oct 25, 2026, 9:23 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Chemotherapy and Proton Radiation for the Treatment of Locally Advanced Lung Cancer

NCT00614484
View directory record Official record
Conditions
Locally Advanced Non-Small Cell Lung Cancer
Interventions
Proton Radiation Therapy, Taxol, Carboplatin
Radiation · Drug
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2011
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Oct 25, 2026, 9:23 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Relative Bioavailability, Proton Pump Inhibitor (PPI) (Rabeprazole) Effect, Food Effect and Particle Size Effect of New Acalabrutinib Tablet in Healthy Subjects

NCT04488016
View directory record Official record
Conditions
Bioavailability, B-cell Lymphoid Cancer
Interventions
Treatment A- Part 1, Treatment B- Part 1, Treatment C - Part 1, Treatment D- Part 1, Treatment A-Part 2, Treatment B - Part 2, Treatment C - Part 2, Treatment D - Part 2
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced Oct 25, 2026, 9:23 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Neoadjuvant Hormonal Therapy Combined With Chemoimmunotherapy

NCT02345772
View directory record Official record
Conditions
HER2-positive Breast Cancer, ER-positive Breast Cancer
Interventions
fulvestrant 500 mg, Docetaxel, Trastuzumab (H, 8mg/kg, Pertuzumab (P, 840 mg
Drug
Lead sponsor
Western Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Goodyear, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 20, 2018 · Synced Oct 25, 2026, 9:23 PM EDT
Completed Not applicable Interventional Results available

Late Effects of Proton Radiation Therapy in Patients With Low-Grade Glioma

NCT00681473
View directory record Official record
Conditions
Low Grade Gliomas
Interventions
Proton Radiation Therapy
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced Oct 25, 2026, 9:23 PM EDT