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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Lumpectomy Clear all
Active, not recruiting Not applicable Interventional

A Novel Patient Decision Aid for Surgical Treatment Options in Early-Stage Breast Cancer

NCT06813053
View directory record Official record
Conditions
Breast Cancer
Interventions
Decision Aid (DA), Standard of Care (SOC)
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
3
States / cities
Aurora, Colorado • Denver, Colorado • Highlands Ranch, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 20, 2026, 9:30 AM EDT
Completed Not applicable Interventional Results available

Multi-Beam Intensity-Modulated Radiation Therapy for Node-Positive Breast Cancer

NCT01127373
View directory record Official record
Conditions
Breast Cancer
Interventions
Multi-Beam Intensity-Modulated Radiation Therapy, BreastQ questionnaire-
Radiation · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Commack, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Sep 20, 2026, 9:30 AM EDT
Recruiting Phase 2 Interventional

Ultra-hypofractionated Whole Breast Irradiation With Lumpectomy Cavity Boost for the Treatment of Stage I-III Breast Cancer

NCT06954831
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Breast Carcinoma
Interventions
Cone-Beam Computed Tomography, Hypofractionated External Beam Radiation Therapy, Questionnaire Administration, Radiation Boost, Whole Breast Irradiation
Procedure · Radiation · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
40 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Arcadia, California • Duarte, California • Irvine, California + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Sep 20, 2026, 9:30 AM EDT
Terminated Not applicable Interventional

Isoflavones in Treating Women Who Have Breast Cancer and Are Planning to Undergo Mastectomy or Lumpectomy

NCT00036686
View directory record Official record
Conditions
Breast Cancer
Interventions
Soy protein isolate, Placebo
Dietary Supplement · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
7
States / cities
Phoenix, Arizona • Tampa, Florida • Savannah, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2012 · Synced Sep 20, 2026, 9:30 AM EDT
Completed Not applicable Interventional

Breast Cancer Locator Guided vs. Wire Localized Partial Mastectomy for Breast Cancer

NCT04397185
View directory record Official record
Conditions
Breast Cancer Female
Interventions
Breast Cancer Locator (BCL) guided partial mastectomy, Wire Localized (WL) partial mastectomy
Device
Lead sponsor
CairnSurgical, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
19
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Tampa, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 20, 2026, 9:30 AM EDT
Not listed Phase 2 Interventional

Accelerated Partial Breast Radiotherapy With Either Mammosite or Intensity Modulated Radiotherapy

NCT01185145
View directory record Official record
Conditions
Breast Cancer
Interventions
Breast Brachytherapy with Mammosite RTS, Intensity Modulated Radiotherapy
Radiation
Lead sponsor
Rocky Mountain Cancer Centers
Other
Eligibility
40 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2024
U.S. locations
6
States / cities
Aurora, Colorado • Boulder, Colorado • Denver, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Sep 20, 2026, 9:30 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Oncoplastic Partial Mastectomy With Intraoperative Radiation Therapy (IORT) in Early Stage Breast Cancer Patients With Prior History of Chest Wall Radiation.

NCT05289466
View directory record Official record
Conditions
IORT-Intra-Operative Radiation Therapy
Interventions
Intraoperative Radiotherapy, Oncoplastic partial mastectomy
Radiation · Procedure
Lead sponsor
Saint John's Cancer Institute
Other
Eligibility
50 Years and older · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Sep 20, 2026, 9:30 AM EDT
Active, not recruiting Not applicable Interventional

Omission of Radiation in Patients With Her-2 Positive Breast Cancer

NCT03460067
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Omission of Radiation
Radiation
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
40 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 20, 2026, 9:30 AM EDT
Suspended No phase listed Observational

Computed Optical Margin Assessment for Breast Cancer Surgery, Phase I (Part B)

NCT02313116
View directory record Official record
Conditions
Breast Cancer
Interventions
Interferometric Synthetic Aperture Microscopy
Device
Lead sponsor
Diagnostic Photonics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Sep 20, 2026, 9:30 AM EDT
Active, not recruiting Not applicable Interventional

Standard or Comprehensive Radiation Therapy in Treating Patients With Early-Stage Breast Cancer Previously Treated With Chemotherapy and Surgery

NCT01872975
View directory record Official record
Conditions
Stage IB Breast Cancer, Stage II Breast Cancer
Interventions
regional nodal XRT, chestwall XRT, WBI
Radiation
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older · Female only
Enrollment
1,636 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2028
U.S. locations
489
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 356 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Sep 20, 2026, 9:30 AM EDT
Recruiting Phase 3 Interventional

Intensity Modulated Radiotherapy (IMRT) vs. 3D-conformal Accelerated Partial Breast Irradiation (APBI) for Early Stage Breast Cancer After Lumpectomy

NCT01185132
View directory record Official record
Conditions
Breast Cancer
Interventions
accelerated partial breast irradiation - 3D-conformal planning, accelerated partial breast irradiation - IMRT planning
Radiation
Lead sponsor
Rocky Mountain Cancer Centers
Other
Eligibility
40 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
5
States / cities
Aurora, Colorado • Boulder, Colorado • Lakewood, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2014 · Synced Sep 20, 2026, 9:30 AM EDT
Not listed Not applicable Interventional

Immune Effects in Patients Treated With Whole Breast Irradiation

NCT03567044
View directory record Official record
Conditions
Breast Cancer
Interventions
Blood Draw
Diagnostic Test
Lead sponsor
University of Virginia
Other
Eligibility
45 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 24, 2018 · Synced Sep 20, 2026, 9:30 AM EDT
Recruiting Not applicable Interventional

De-Implementation of Low-value Testing in Patients Undergoing Low-Risk Surgery

NCT06934564
View directory record Official record
Conditions
Breast Lumpectomy, Laparoscopic Cholecystectomy, Inguinal Hernia Repair
Interventions
Active de-Implementation
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 20, 2026, 9:30 AM EDT
Completed Not applicable Interventional

A Randomized Controlled Trial of Routine Shave Margins Versus Standard Partial Mastectomy in Breast Cancer Patients

NCT01452399
View directory record Official record
Conditions
Breast Cancer
Interventions
Shave margins, No Shave Margins
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Sep 20, 2026, 9:30 AM EDT
Not listed Phase 3 Interventional

Randomized Study of Combination Chemotherapy With or Without Focused Microwave Thermotherapy Before Surgery in Treating Women With Large Breast Cancer Tumors

NCT01204801
View directory record Official record
Conditions
Breast Cancer
Interventions
Focused Microwave Thermotherapy, Chemotherapy (control)
Device · Drug
Lead sponsor
Medifocus, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Sep 20, 2026, 9:30 AM EDT
Not listed Not applicable Interventional

A Comparison of Intra-operative Radiotherapy Boost With External Beam Radiotherapy Boost in Early Breast Cancer.

NCT01792726
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Boost to the tumour bed
Radiation
Lead sponsor
University College, London
Other
Eligibility
Female only
Enrollment
1,796 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
8
States / cities
Los Angeles, California • Savannah, Georgia • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Sep 20, 2026, 9:30 AM EDT
Active, not recruiting Not applicable Interventional

Accelerated Partial Breast Irradiation Study

NCT03437395
View directory record Official record
Conditions
Breast Cancer Female
Interventions
Balloon Brachytherapy, 3D Conformal External Beam Irradiation
Device · Radiation
Lead sponsor
Sentara Norfolk General Hospital
Other
Eligibility
50 Years and older · Female only
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2025
U.S. locations
1
States / cities
Harrisonburg, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Sep 20, 2026, 9:30 AM EDT
Completed No phase listed Observational

MarginProbe 2.0 Data Collection Protocol

NCT05377229
View directory record Official record
Conditions
Breast Cancer
Interventions
MarginProbe2.0
Device
Lead sponsor
Dilon Medical Technologies Ltd.
Industry
Eligibility
18 Years and older · Female only
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
8
States / cities
Glendale, California • Cedar Rapids, Iowa • Kalispell, Montana + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Sep 20, 2026, 9:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Optical Assay System for Intra Operative Assessment of Tumor Margins in Patients

NCT00734955
View directory record Official record
Conditions
Breast Cancer
Interventions
49-channel optical spectrometer
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 14, 2020 · Synced Sep 20, 2026, 9:30 AM EDT
Terminated Phase 3 Interventional

Breast MRI for Newly Diagnosed Breast Cancer:Impact on Re-excision Lumpectomy

NCT01568346
View directory record Official record
Conditions
Breast Cancer
Interventions
MRI
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 1, 2016 · Synced Sep 20, 2026, 9:30 AM EDT
Completed Not applicable Interventional Results available

Efficacy of Digital Breast Tomosynthesis + Standard 2- Dimensional Mammography in Breast Cancer

NCT03190083
View directory record Official record
Conditions
Breast Cancer
Interventions
2-dimensional mammogram, digital breast tomosynthesis (DBT)
Device
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
25 Years to 85 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 26, 2022 · Synced Sep 20, 2026, 9:30 AM EDT
Completed Not applicable Interventional

Drain Placement for Seroma Prevention After Mammosite/SAVI Catheter Removal

NCT02390661
View directory record Official record
Conditions
Infected Seroma After Surgical Procedure
Interventions
Penrose drain placement
Device
Lead sponsor
Michigan State University
Other
Eligibility
45 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 11, 2019 · Synced Sep 20, 2026, 9:30 AM EDT
Completed Phase 3 Interventional Results available

Investigation of Novel Surgical Imaging for Tumor Excision

NCT03686215
View directory record Official record
Conditions
Breast Cancer
Interventions
Study Device Arm
Combination Product
Lead sponsor
Lumicell, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
14
States / cities
Mobile, Alabama • Scottsdale, Arizona • Palo Alto, California + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Sep 20, 2026, 9:30 AM EDT
Withdrawn Not applicable Interventional

Lumpectomy Followed By Intraoperative Electron Radiation Therapy (IOERT)

NCT01960803
View directory record Official record
Conditions
Invasive Ductal Breast Cancer, Carcinoma Breast Stage I
Interventions
Intraoperative Electron Radiotherapy
Radiation
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years to 95 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Sep 20, 2026, 9:30 AM EDT