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ClinicalTrials.gov public records Last synced Sep 30, 2026, 1:59 PM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: intraoperative radiotherapy (IORT) Clear all
Recruiting No phase listed Observational

IORT Following Breast Conserving Surgery for Early Stage Breast Cancer Registry

NCT03536897
View directory record Official record
Conditions
Breast Cancer
Interventions
IORT
Radiation
Lead sponsor
Mount Carmel Health System
Other
Eligibility
65 Years and older · Female only
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Sep 30, 2026, 1:59 PM EDT
Terminated Phase 2 Interventional

Recurrent GBM Treated With Neurosurgical Resection and IORT Using the Xoft Axxent eBx System and Bevacizumab

NCT04681677
View directory record Official record
Conditions
Glioblastoma, Recurrent Glioblastoma, GBM, Recurrent GBM
Interventions
Radiation: Intra-operative Radiation Therapy - IORT, Bevacizumab
Radiation · Drug
Lead sponsor
Xoft, Inc.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2024 · Synced Sep 30, 2026, 1:59 PM EDT
Terminated Not applicable Interventional

Multi-Modality Therapy for Untreated Patients With Resectable or Marginally Resectable Pancreatic Cancer

NCT01760694
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Multi-Modality; IORT, Surgery, Radiation, Chemotherapy
Other
Lead sponsor
Southwestern Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 15, 2014 · Synced Sep 30, 2026, 1:59 PM EDT
Not listed Not applicable Interventional

Intraoperative Boost Radiotherapy With Electrons (IOERT) Followed By Hypofractionated Whole-Breast Irradiation (WBRT)

NCT01295723
View directory record Official record
Conditions
Invasive Lobular and Ductal Carcinoma
Interventions
Hypofractionated Whole Breast Radiation Therapy, Intraoperative Electron Radiation Therapy
Radiation
Lead sponsor
St. Joseph Hospital of Orange
Other
Eligibility
40 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated May 11, 2022 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Not applicable Interventional

Intraoperative Radiation Therapy in Early Stage Breast Cancer

NCT02266602
View directory record Official record
Conditions
Breast Cancer
Interventions
Intraoperative Radiation Therapy
Radiation
Lead sponsor
Benaroya Research Institute
Other
Eligibility
45 Years and older · Female only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 26, 2019 · Synced Sep 30, 2026, 1:59 PM EDT
Not listed Phase 1 Interventional

Intraoperative Radiation Therapy for Resectable Pancreas Cancer

NCT02599662
View directory record Official record
Conditions
Pancreas Cancer
Interventions
10 Gy Low-KV IORT, 15 Gy Low-KV IORT, 20 GY Low-KV IORT
Radiation
Lead sponsor
Loyola University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Sep 30, 2026, 1:59 PM EDT
Active, not recruiting Not applicable Interventional

Intraoperative Radiation Therapy (IORT) in DCIS

NCT03216421
View directory record Official record
Conditions
Breast Cancer, Ductal Carcinoma in Situ
Interventions
Quality of Life Questionnaires
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Early Phase 1 Interventional

Combination Chemotherapy in Treating Patients With Sarcoma

NCT00662233
View directory record Official record
Conditions
Ovarian Cancer, Sarcoma
Interventions
cyclophosphamide, doxorubicin hydrochloride, etoposide, ifosfamide, vincristine sulfate, adjuvant therapy, neoadjuvant therapy, therapeutic conventional surgery, brachytherapy, intraoperative radiation therapy, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
Up to 21 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Phase 2 Interventional Results available

Image-Guided Radiation Therapy in Treating Patients With Primary Soft Tissue Sarcoma of the Shoulder, Arm, Hip, or Leg

NCT00589121
View directory record Official record
Conditions
Lymphedema, Musculoskeletal Complications, Radiation Fibrosis, Radiation Toxicity, Sarcoma
Interventions
Chemotherapy, Radiation therapy, Surgery
Drug · Radiation · Procedure
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
14
States / cities
Newark, Delaware • Gainesville, Florida • Jacksonville, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced Sep 30, 2026, 1:59 PM EDT
Recruiting No phase listed Observational

Registry for Intra-Operative Radiotherapy During Breast Conserving Surgery in Patients With Early Stage Breast Cancer

NCT04603209
View directory record Official record
Conditions
Early-stage Breast Cancer, Breast Carcinoma in Situ, Breast Neoplasms
Interventions
Intraoperative Radiation Therapy (IORT)
Radiation
Lead sponsor
Saint John's Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Sep 30, 2026, 1:59 PM EDT
Terminated Not applicable Interventional Results available

Study of Intraoperative Radiotherapy for Patients With Large Brain Metastases Treated With Neurosurgical Resection

NCT04040400
View directory record Official record
Conditions
Brain Metastases
Interventions
intraoperative radiotherapy (IORT)
Radiation
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Phase 2 Interventional Results available

Bevacizumab and Radiation Therapy for Sarcomas

NCT00356031
View directory record Official record
Conditions
Soft Tissue Sarcoma, Fibrous Histiocytoma, Liposarcoma, Leiomyosarcoma, Fibrosarcoma, Synovial Sarcoma
Interventions
Bevacizumab, Radiation Therapy, Surgery
Drug · Radiation · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2017 · Synced Sep 30, 2026, 1:59 PM EDT
Terminated Not applicable Interventional Results available

Targeted Intra-Operative Radiotherapy for the Management of Ductal Carcinoma In-Situ of the Breast

NCT00556907
View directory record Official record
Conditions
Breast Cancer
Interventions
Intraoperative radiotherapy, Intraoperative radiotherapy
Radiation · Device
Lead sponsor
University of Southern California
Other
Eligibility
40 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Not applicable Interventional

Intraoperative Radiotherapy for Early Stage Breast Cancer

NCT01189851
View directory record Official record
Conditions
Breast Cancer
Interventions
Intraoperative Radiotherapy
Device
Lead sponsor
Hoag Memorial Hospital Presbyterian
Other
Eligibility
48 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
1
States / cities
Newport Beach, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Phase 2 Interventional

Radiation Therapy in Treating Patients With Progressive or Recurrent Malignant Brain Tumors

NCT00003574
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
surgical procedure, brachytherapy, intraoperative radiation therapy, iodine I 125
Procedure · Radiation
Lead sponsor
New Approaches to Brain Tumor Therapy Consortium
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
9
States / cities
Birmingham, Alabama • Tampa, Florida • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2013 · Synced Sep 30, 2026, 1:59 PM EDT
Not listed Phase 1 Interventional

Effects of MK-3475 (Pembrolizumab) on the Breast Tumor Microenvironment in Triple Negative Breast Cancer

NCT02977468
View directory record Official record
Conditions
Triple Negative Breast Cancer
Interventions
Merck 3475 Pembrolizumab, Intraoperative radiation therapy (IORT)
Drug · Radiation
Lead sponsor
Eileen Connolly
Other
Eligibility
21 Years to 80 Years · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
3
States / cities
Atlanta, Georgia • Maywood, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 20, 2024 · Synced Sep 30, 2026, 1:59 PM EDT
Active, not recruiting Not applicable Interventional

Safety and Efficacy Study of the Xoft® Axxent® eBx® IORT System®

NCT01644669
View directory record Official record
Conditions
Invasive Ductal Carcinoma, Ductal Carcinoma in Situ
Interventions
Intra-operative Radiation Therapy - IORT
Radiation
Lead sponsor
Xoft, Inc.
Industry
Eligibility
40 Years and older · Female only
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2029
U.S. locations
22
States / cities
Tucson, Arizona • Duarte, California • Long Beach, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Not applicable Interventional Results available

Radiation Therapy in Treating Patients With Recurrent Breast Cancer

NCT00945061
View directory record Official record
Conditions
Breast Cancer
Interventions
intracavitary balloon brachytherapy, intraoperative radiation therapy
Radiation
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
3
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Sep 30, 2026, 1:59 PM EDT
Active, not recruiting Phase 1 Interventional

Intraoperative Radiation Therapy After Stereotactic Body Radiation Therapy and Chemotherapy in Treatment of Pancreatic Adenocarcinoma

NCT05141513
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
High Dose Rate Brachytherapy (HDR) Intraoperative Radiation Therapy (IORT)
Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Sep 30, 2026, 1:59 PM EDT
Active, not recruiting Not applicable Interventional

Electron Beam Intraoperative Radiation Therapy Following Chemoradiation in Patients With Pancreatic Cancer With Vascular Involvement

NCT03716531
View directory record Official record
Conditions
Pancreas Cancer
Interventions
IORT
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
6
States / cities
Irvine, California • Jacksonville, Florida • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 30, 2026, 1:59 PM EDT
Active, not recruiting Not applicable Interventional

Efficacy of IORT With CT-Guided HDR Brachytherapy for Treatment of Breast Cancer

NCT02400658
View directory record Official record
Conditions
Breast Cancer
Interventions
IORT with CT-Guided HDR Brachytherapy
Device
Lead sponsor
Shayna Showalter, MD
Other
Eligibility
45 Years and older · Female only
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
3
States / cities
Hackensack, New Jersey • Philadelphia, Pennsylvania • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Sep 30, 2026, 1:59 PM EDT
Recruiting No phase listed Observational

Intra-Operative Radiation Registry

NCT04994067
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2032
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 30, 2026, 1:59 PM EDT
Active, not recruiting Not applicable Interventional

Accelerated Partial Breast Irradiation Following Lumpectomy for Breast Cancer

NCT00185744
View directory record Official record
Conditions
Breast Cancer, Carcinoma, Ductal
Interventions
Intra-Operative Radiotherapy (IORT), Lumpectomy, Whole Breast Radiotherapy, Intracavitary Brachytherapy, Accelerated External Beam 3-D Conformal Radiotherapy, Stereotactic APBI
Radiation · Procedure
Lead sponsor
Stanford University
Other
Eligibility
40 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2029
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Sep 30, 2026, 1:59 PM EDT
Completed Not applicable Interventional

Quadrant High Dose Rate Intraoperative Radiation Therapy (IORT) for Early-Stage Breast Cancer: A Pilot Study

NCT00595062
View directory record Official record
Conditions
Breast Cancer
Interventions
Intra Operative Radiation Therapy (IORT)
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
60 Years and older · Female only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 22, 2015 · Synced Sep 30, 2026, 1:59 PM EDT