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Showing 1–24 of 82 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Lumpectomy Clear all
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 Jul 22, 2026, 2:01 AM EDT
Recruiting Phase 2 Interventional

Compare Adjuvant Monotherapy With Endocrine or Accelerated Partial Breast Irradiation After Lumpectomy

NCT05472792
View directory record Official record
Conditions
Breast Cancer, Quality of Life
Interventions
Accelerated Partial Breast Irradiation (APBI), tamoxifen, anastrozole, exemestane, letrozole, fulvestrant, toremifene
Radiation · Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
65 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Jul 22, 2026, 2:01 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 Jul 22, 2026, 2:01 AM EDT
Completed Phase 2 Interventional

Sentinel Lymph Node Biopsy Using Peritumoral Injection With Blue Dye Confirmation

NCT00575744
View directory record Official record
Conditions
Breast Cancer
Interventions
Sentinel Node Biopsy
Procedure
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older · Female only
Enrollment
699 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2011
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Jul 22, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Conformal Partial Breast Irradiation With CyberKnife After Resection for Early Stage Breast Cancer

NCT01290835
View directory record Official record
Conditions
Breast Cancer
Interventions
Stereotactic radiotherapy delivered by CyberKnife, stereotactic radiotherapy
Radiation
Lead sponsor
Essentia Health
Other
Eligibility
60 Years to 60 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2025
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Jul 22, 2026, 2:01 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Real-time Intraoperative Breast Cancer Visualization for Margin Assessment

NCT02807597
View directory record Official record
Conditions
Breast Cancer, Cancer of the Breast
Interventions
LS301, Cancer Vision Goggles and standard fluorescence imaging systems, Surgery
Drug · Device · Procedure
Lead sponsor
Samuel Achilefu
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Jul 22, 2026, 2:01 AM EDT
Withdrawn Not applicable Interventional

Treatment of Benign Breast Deformities and Post-Segmental Mastectomy Breast Deformities With Autologous Fat Grafting (AFT)

NCT01756092
View directory record Official record
Conditions
Breast Cancer, Lumpectomy, Mastectomy, Segmental
Interventions
Autologous Fat Graft
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 70 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 20, 2016 · Synced Jul 22, 2026, 2:01 AM EDT
Terminated Phase 2 Interventional

Feasibility Study of Intraoperative Detection of Residual Cancer in Breast Cancer Patients

NCT04440982
View directory record Official record
Conditions
Breast Cancer, Neoadjuvant Therapy
Interventions
LUM015, Lum Imaging System
Drug · Device
Lead sponsor
Lumicell, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
6
States / cities
Palo Alto, California • Clearwater, Florida • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Jul 22, 2026, 2:01 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 Jul 22, 2026, 2:01 AM EDT
Active, not recruiting Not applicable Interventional

Excision Followed by Radiofrequency Ablation for Breast Cancer

NCT01153035
View directory record Official record
Conditions
Breast Cancer
Interventions
Radiofrequency Ablation
Device
Lead sponsor
University of Arkansas
Other
Eligibility
50 Years to 100 Years · Female only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2027
U.S. locations
6
States / cities
Tucson, Arizona • Little Rock, Arkansas • San Diego, California + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jul 22, 2026, 2:01 AM EDT
Terminated Phase 2 Interventional Results available

Multi-catheter High Dose Rate (HDR) Breast Brachytherapy

NCT00214149
View directory record Official record
Conditions
Breast Cancer
Interventions
brachytherapy
Radiation
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 4, 2018 · Synced Jul 22, 2026, 2:01 AM EDT
Completed No phase listed Observational

Ultrasound Targeting for the Lumpectomy Cavity

NCT00583843
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Ultrasound
Procedure
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 15, 2014 · Synced Jul 22, 2026, 2:01 AM EDT
Recruiting Phase 2 Interventional

IIT2023-09-Chung-UpfrontTAD: Upfront TAD/SNB in Patients With Breast Cancer With Nodal Metastases

NCT06092892
View directory record Official record
Conditions
Breast Cancer, Axillary Nodal Disease, Female Breast Cancer, Axilla; Breast, Mastectomy; Lymphedema, Tumor, Breast
Interventions
Breast Surgery (BCS or mastectomy) with TAD/SNB, Adjuvant Radiation Therapy
Procedure · Radiation
Lead sponsor
Alice Chung
Other
Eligibility
45 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
3
States / cities
Los Angeles, California • Pasadena, California • Tarzana, California
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 22, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Study of the Outcomes of Intraoperative Margin Assessment With MarginProbe

NCT02456649
View directory record Official record
Conditions
Breast Cancer
Interventions
MarginProbe
Device
Lead sponsor
Huntington Memorial Hospital
Other
Eligibility
Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2016 · Synced Jul 22, 2026, 2:01 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 Jul 22, 2026, 2:01 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 Jul 22, 2026, 2:01 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 Jul 22, 2026, 2:01 AM EDT
Completed Phase 2 Interventional

Radiation Therapy After Lumpectomy in Treating Women With Ductal Carcinoma in Situ or Invasive Breast Cancer

NCT00054301
View directory record Official record
Conditions
Breast Cancer
Interventions
adjuvant therapy, conventional surgery, intraoperative radiation therapy
Procedure · Radiation
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 26, 2020 · Synced Jul 22, 2026, 2:01 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 Jul 22, 2026, 2:01 AM EDT
Completed No phase listed Observational

Autologous Fat Grafting of the Breast in Women With Post Lumpectomy Contour Defects

NCT02302196
View directory record Official record
Conditions
Cancer of the Breast, Anomaly of Breast
Interventions
Autologous Fat Grafting of the Breast, Control Arm
Procedure · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Clackamas, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 19, 2021 · Synced Jul 22, 2026, 2:01 AM EDT
Completed No phase listed Observational

Ultrasound Based Localization of Lumpectomy Bed in Anatomical Coordinate System

NCT00681304
View directory record Official record
Conditions
Resected Breast Cancer, Breast Cancer
Interventions
ultrasound scan
Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 15, 2012 · Synced Jul 22, 2026, 2:01 AM EDT
Completed Not applicable Interventional

A Novel Optical Spectral Imaging System for Imaging Breast Tumor Margins

NCT01372631
View directory record Official record
Conditions
Breast Cancer
Interventions
miniature spectral imaging system, Bench-top optical spectrometer, High resolution microendoscope
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
Durham, North Carolina • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Jul 22, 2026, 2:01 AM EDT
Completed No phase listed Observational Results available

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

NCT01699867
View directory record Official record
Conditions
Breast Cancer
Interventions
Optical coherence tomography
Device
Lead sponsor
Diagnostic Photonics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Annapolis, Maryland • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 5, 2015 · Synced Jul 22, 2026, 2:01 AM EDT
Completed Phase 2 Interventional

Phase II Study of Intra-Operative Electron Irradiation and External Beam Irradiation After Lumpectomy in Patients With T1N0M0 and T2N0M0 Breast Cancer

NCT01215162
View directory record Official record
Conditions
Breast Cancer
Interventions
Intra-operative radiation to tumor bed
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 2, 2014 · Synced Jul 22, 2026, 2:01 AM EDT