MedPath

Radiofrequency Identification Technology in Locating Non-palpable Breast Lesions in Patients Undergoing Surgery

Not Applicable
Completed
Conditions
Lesion
Breast Neoplasm
Interventions
Device: Implanted Medical Device
Procedure: Mammography
Other: Questionnaire Administration
Procedure: Radiofrequency (RFID) -Guided Localization
Procedure: Ultrasonography
Registration Number
NCT03202472
Lead Sponsor
Jonsson Comprehensive Cancer Center
Brief Summary

This pilot clinical trial studies radiofrequency technology in locating non-palpable breast lesions in patients undergoing surgery. Placing a miniature radiofrequency tag or microchip in the breast lesion before surgery and using a handheld device to guide doctors during surgery may improve surgical outcomes in patients with non-palpable breast lesions.

Detailed Description

PRIMARY OBJECTIVES:

I. Evaluate the feasibility of utilizing a new Federal Drug Administration (FDA)-cleared radiofrequency tag for localization of non-palpable breast lesions and provide preliminary data for a larger study.

OUTLINE:

Patients undergo mammogram or ultrasound for image-guided placement of the radiofrequency tag within 30 days of surgery and then undergo radiofrequency-guided localization during surgery.

After completion of study, patients are followed up within 2 weeks.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
50
Inclusion Criteria
  • Able to give written informed consent to participate in the study
  • Able to read and write English
  • Patients with breast lesions that are non-palpable that require surgical removal
  • Lesions and/or clip targetable with image guidance
Exclusion Criteria
  • Multicentric breast cancer
  • Stage IV breast cancer
  • Pregnant or lactating females

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Diagnostic (radiofrequency-guided localization)MammographyPatients undergo mammogram or ultrasound for image-guided placement of the radiofrequency tag within 30 days of surgery and then undergo radiofrequency-guided localization during surgery.
Diagnostic (radiofrequency-guided localization)Radiofrequency (RFID) -Guided LocalizationPatients undergo mammogram or ultrasound for image-guided placement of the radiofrequency tag within 30 days of surgery and then undergo radiofrequency-guided localization during surgery.
Diagnostic (radiofrequency-guided localization)Implanted Medical DevicePatients undergo mammogram or ultrasound for image-guided placement of the radiofrequency tag within 30 days of surgery and then undergo radiofrequency-guided localization during surgery.
Diagnostic (radiofrequency-guided localization)Questionnaire AdministrationPatients undergo mammogram or ultrasound for image-guided placement of the radiofrequency tag within 30 days of surgery and then undergo radiofrequency-guided localization during surgery.
Diagnostic (radiofrequency-guided localization)UltrasonographyPatients undergo mammogram or ultrasound for image-guided placement of the radiofrequency tag within 30 days of surgery and then undergo radiofrequency-guided localization during surgery.
Primary Outcome Measures
NameTimeMethod
Patients With Successful Placement of the Radiofrequency Tag Under Radiographic Guidance Confirmed by Mammographyat time of device placement, confirmed by mammography

Patients with successful radiofrequency tag placement

Patients With Successful Retrieval of the Radiofrequency Tag Confirmed by Specimen Radiographyat time of surgery, within 30 days of tag implant

Patients with successful radiofrequency tag retrieval.

Secondary Outcome Measures
NameTimeMethod
Patients With Positive Margins on Initial Lumpectomy Using Radiofrequency Identification Technologyat time of pathologic evaluation of surgical specimen, within 4 weeks of surgery

Patients with margins of excisable tissue remaining.

Days Prior to Surgery of Insertion of MarkerUp to 30 days prior to surgery

Mean number of days before surgery that radiofrequency tag was placed.

Patients With Cancer Requiring Re-excisionup to 4 weeks post initial surgery

Patients requiring re-excision.

Patients With Documented Migration of Markerat time of surgery, within 30 days of tag implant

Movement of radiofrequency tag from point of placement

Radiologist's Experience Placing Radiofrequency Tag Compared to Wire Localization as Measured by a Radiologist's Questionnairewithin 24 hours of device placement

The radiologist's experience with image-guided placement of the RFID tag.This assessments was captured using Likert-type questionnaires. Individual question responses for the patient and physician questionnaires ranged from 1 to 5 with the score of 5 representing the maximum positive or favorable response to each question. The following choices were included in each questionnaire:

1. Strongly disagree

2. Disagree

3. Neutral

4. Agree

5. Strongly Agree

Responses of the individual scales were added to create a total score, which would include a possible total range of 5 to a maximum of 25 points. 25 is the maximum positive or favorable response.

Surgeon's Experience Using Radiofrequency Tag to Guide Resection Compared to Wire Localization as Measured by a Surgeon's Questionnairewithin 24 hours of surgery

The surgeon's experience with image-guided placement of the RFID tag.This assessments was captured using Likert-type questionnaires. Individual question responses for the patient and physician questionnaires ranged from 1 to 5 with the score of 5 representing the maximum positive or favorable response to each question. The following choices were included in each questionnaire:

1. Strongly disagree

2. Disagree

3. Neutral

4. Agree

5. Strongly Agree

Responses of the individual scales were added to create a total score, which would include a possible total range of 5 to a maximum of 25 points. 25 is the maximum positive or favorable response.

Patient Experience With Image-guided Placement of Tag as Rated by a Patient Questionnairewithin 24 hours of device placement

The patient experience with image-guided placement of the radio frequency Identification (RFID) tag.This assessments was captured using Likert-type questionnaires. Individual question responses for the patient and physician questionnaires ranged from 1 to 5 with the score of 5 representing the maximum positive or favorable response to each question. The following choices were included in each questionnaire:

1. Strongly disagree

2. Disagree

3. Neutral

4. Agree

5. Strongly Agree

Responses of the individual scales were added to create a total score, which would include a possible total range of 5 to a maximum of 25 points. 25 is the maximum positive or favorable response.

Volume (cm3), of Tissue Removed With Specimen With Tag (Not Including Shave Margins, if Taken)at time of pathologic evaluation of surgical specimen, within 4 weeks of surgery

Amount of tissue removed with radiofrequency tag.

Trial Locations

Locations (1)

UCLA / Jonsson Comprehensive Cancer Center

šŸ‡ŗšŸ‡ø

Los Angeles, California, United States

Ā© Copyright 2025. All Rights Reserved by MedPath