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ClinicalTrials.gov public records Last synced Sep 7, 2026, 8:01 PM EDT

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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Photon/Proton IMRT Clear all
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 – 2026
U.S. locations
230
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 179 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Terminated Not applicable Interventional Results available

Hypofractionated Pencil-Beam Scanning Intensity-modulated Proton Therapy (IMPT) in Recurrent Rectal Cancer

NCT04827732
View directory record Official record
Conditions
Recurrent Rectal Cancer
Interventions
Hypofractionated Pencil-Beam Scanning Intensity-modulated Proton Therapy, MEVION S250i Hyperscan and Adaptive Aperture Proton Therapy Machine
Radiation · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 7, 2026, 8:01 PM EDT
Withdrawn No phase listed Observational

ROCOCO - Adaptive IMRT Versus IMPT in Head and Neck Cancer

NCT02908386
View directory record Official record
Conditions
Head and Neck Neoplasms
Interventions
Not listed
Lead sponsor
Maastricht Radiation Oncology
Other
Eligibility
19 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 20, 2016 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Induction Paclitaxel Followed by Concurrent Paclitaxel and Radiation Therapy for Cutaneous Angiosarcoma

NCT03921008
View directory record Official record
Conditions
Cutaneous Angiosarcoma
Interventions
Paclitaxel, Radiation therapy, Research blood draw
Drug · Radiation · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Recruiting Phase 2 Interventional

Adaptive Treatment De-escalation in Favorable Risk HPV-Positive Oropharyngeal Carcinoma

NCT03215719
View directory record Official record
Conditions
Oropharyngeal Carcinoma, HPV Positive Oropharyngeal Squamous Cell Carcinoma
Interventions
Standard Radiation Treatment, Dose-Deescalated Treatment, Cisplatinum
Radiation · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 2 Interventional

A Clinical and Molecular Risk-Directed Therapy for Newly Diagnosed Medulloblastoma

NCT01878617
View directory record Official record
Conditions
Medulloblastoma
Interventions
Craniospinal Irradiation with boost to the primary tumor site, Cyclophosphamide, Cisplatin, Vincristine, Vismodegib, Pemetrexed, Gemcitabine, Aerobic Training, Neurocognitive Remediation
Radiation · Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
3 Years to 39 Years
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2031
U.S. locations
14
States / cities
Palo Alto, California • San Diego, California • New Haven, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 2 Interventional

Selective Avoidance of Nodal VolumEs at Minimal Risk (GCC 20110)

NCT04609280
View directory record Official record
Conditions
Head and Neck Cancer, Oropharynx Cancer, Oropharyngeal Squamous Cell Carcinoma
Interventions
Intensity modulated radiotherapy (IMRT)/volumetric modulated arc therapy (VMAT) or Pencil beam proton therapy (PBPT)
Radiation
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
6
States / cities
Baltimore, Maryland • Bel Air, Maryland • Columbia, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Withdrawn Phase 2 Interventional

Dose Escalated Proton Beam Therapy or Photon Therapy for Esophageal Cancer

NCT03234842
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Proton Beam Therapy, Photon Radiation Therapy, Chemotherapy
Radiation · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced Sep 7, 2026, 8:01 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 20, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 2 Interventional

Proton Beam or Intensity-Modulated Radiation Therapy in Preserving Brain Function in Patients With IDH Mutant Grade II or III Glioma

NCT03180502
View directory record Official record
Conditions
Anaplastic Astrocytoma, Anaplastic Oligoastrocytoma, Anaplastic Oligodendroglioma, Diffuse Astrocytoma, Glioma, Oligoastrocytoma, Oligodendroglioma, WHO Grade 3 Glioma
Interventions
Biospecimen Collection, Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration, Temozolomide
Procedure · Radiation · Other + 1 more
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2031
U.S. locations
34
States / cities
Birmingham, Alabama • Boca Raton, Florida • Miami, Florida + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 7, 2026, 8:01 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 Dec 9, 2025 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 3 Interventional

Comparing Proton Therapy to Photon Radiation Therapy for Esophageal Cancer

NCT03801876
View directory record Official record
Conditions
Clinical Stage I Esophageal Adenocarcinoma AJCC v8, Clinical Stage I Esophageal Squamous Cell Carcinoma AJCC v8, Clinical Stage I Gastroesophageal Junction Adenocarcinoma AJCC v8, Clinical Stage II Esophageal Adenocarcinoma AJCC v8, Clinical Stage II Esophageal Squamous Cell Carcinoma AJCC v8, Clinical Stage II Gastroesophageal Junction Adenocarcinoma AJCC v8, Clinical Stage III Esophageal Adenocarcinoma AJCC v8, Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8, Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8, Clinical Stage IVA Esophageal Adenocarcinoma AJCC v8, Clinical Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8, Clinical Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8, Thoracic Esophagus Squamous Cell Carcinoma
Interventions
Biospecimen Collection, Capecitabine, Carboplatin, Computed Tomography, Docetaxel, Esophagectomy, Fluorouracil, Intensity-Modulated Radiation Therapy, Leucovorin Calcium, Oxaliplatin, Paclitaxel, Positron Emission Tomography, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Drug · Radiation + 1 more
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2036
U.S. locations
96
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 77 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 2 Interventional

A Study To Evaluate Hypofractionated Proton Therapy Or IMRT For Recurrent, Oligometastatic Prostate Cancer

NCT04190446
View directory record Official record
Conditions
Metastatic Prostate Adenocarcinoma, Oligometastatic Prostate Carcinoma, Prostate Adenocarcinoma, Recurrent Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Intensity-Modulated Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration, Computed Tomography, Magnetic Resonance Imaging, Biospecimen Collection
Radiation · Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 2 Interventional Results available

A Trial of Surgery and Fractionated Re-Irradiation for Recurrent Ependymoma

NCT02125786
View directory record Official record
Conditions
Ependymoma
Interventions
Irradiation, Surgery, ^1^8F-Fluorodeoxyglucose, ^1^1C-methionine, Photon therapy, Proton therapy
Radiation · Procedure · Drug + 1 more
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
1 Year to 21 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Not listed Phase 2 Interventional

A Phase II Trial of Neoadjuvant Laparoscopic Hyperthermic Intraperitoneal Chemotherapy (HIPEC) With Chemoradiation

NCT04308837
View directory record Official record
Conditions
Gastric Cancer, Stomach Cancer
Interventions
Paclitaxel, Carboplatin, Dexamethasone, Diphenhydramine, Famotidine, Palonosetron, 3D conformal or intensity modulated radiotherapy, Surgical resection, Adjuvant Chemotherapy
Drug · Radiation · Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Sep 7, 2026, 8:01 PM EDT
Terminated Phase 2 Interventional Results available

Chemoradiation Plus Durvalumab Followed by Surgery Followed by Adjuvant Durvalumab in Patients With Surgically Resectable Stage III (N2) Non-Small Cell Lung Cancer

NCT03871153
View directory record Official record
Conditions
Non Small Cell Lung Cancer, Stage III Non-small-cell Lung Cancer
Interventions
Durvalumab, Paclitaxel, Carboplatin, Radiation, Surgical Resection
Device · Drug · Radiation + 1 more
Lead sponsor
Greg Durm, MD
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
4
States / cities
Chicago, Illinois • Indianapolis, Indiana • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Sep 7, 2026, 8:01 PM EDT
Recruiting Phase 2 Interventional

Molecular and Clinical Risk-Directed Therapy for Infants and Young Children With Newly Diagnosed Medulloblastoma

NCT05535166
View directory record Official record
Conditions
Medulloblastoma
Interventions
Surgical resection, Ommaya/VPS, Methotrexate, Cisplatin, Vincristine, Cyclophosphamide, Carboplatin, Topotecan, Etoposide, Pegfilgrastim, Filgrastim, Irradiation, Educational and Media Intervention, SOC, Educational and Media Intervention
Procedure · Drug · Radiation + 1 more
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 59 Months
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2035
U.S. locations
10
States / cities
Palo Alto, California • Orlando, Florida • Tampa, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 2 Interventional

Study of Proton Versus Photon Beam Radiotherapy in the Treatment of Head and Neck Cancer

NCT02923570
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Photon intensity modulated radiation therapy (IMRT), Proton beam radiotherapy (PBRT)
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
9
States / cities
Miami, Florida • Rochester, Minnesota • Basking Ridge, New Jersey + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Sep 7, 2026, 8:01 PM EDT
Recruiting Phase 1Phase 2 Interventional

Proton or Photon RT for Retroperitoneal Sarcomas

NCT01659203
View directory record Official record
Conditions
Retroperitoneal Sarcoma
Interventions
IG-IMPT, IG IMRT
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2027
U.S. locations
10
States / cities
Chicago, Illinois • Boston, Massachusetts • Rochester, Minnesota + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 7, 2026, 8:01 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 8, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Image-Guided, Intensity-Modulated Photon or Proton Beam Radiation Therapy in Treating Patients With Stage II-IIIB Non-small Cell Lung Cancer

NCT01629498
View directory record Official record
Conditions
Recurrent Lung Non-Small Cell Carcinoma, 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 IIIA Non-Small Cell Lung Cancer AJCC v7, Stage IIIB Lung Non-Small Cell Cancer AJCC v7
Interventions
Image Guided Radiation Therapy, Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Questionnaire Administration
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 7, 2026, 8:01 PM EDT
Completed Phase 2 Interventional Results available

Bevacizumab With or Without Radiation Therapy in Treating Patients With Recurrent Glioblastoma

NCT01730950
View directory record Official record
Conditions
Adult Giant Cell Glioblastoma, Adult Glioblastoma, Adult Gliosarcoma, Recurrent Adult Brain Tumor
Interventions
bevacizumab, radiation therapy
Biological · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
31
States / cities
Birmingham, Alabama • Phoenix, Arizona • Walnut Creek, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2022 · Synced Sep 7, 2026, 8:01 PM EDT