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Terminated Not applicable Interventional Results available

Evaluation of Magseed as Localization Device for Biopsy Proven Metastatic Axillary Lymph Nodes

ClinicalTrials.gov ID: NCT03718455

Public ClinicalTrials.gov record NCT03718455. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 11, 2026, 12:23 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Evaluation of Magseed as Localization Device for Biopsy Proven Metastatic Axillary Lymph Nodes in Women With Breast Cancer

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Currently, breast cancer patients who are treated with neoadjuvant chemotherapy (NAC) before surgery may have a biopsy clip placed in the lymph node at the time of or shortly after percutaneous biopsy. Following 12-20+ weeks of NAC, pre-surgical localization of the sampled axillary lymph node using a radioactive seed can be done up to 5 days prior to surgery. Localization of the sampled lymph node in patients with complete imaging response to NAC can be technically challenging if the biopsy clip is not sonographically visible. This study is designed to see if it is feasible to place a Magseed, which is magnetic seed, into the abnormal node either at the time of fine needle aspiration (FNA) or after NAC, just prior to surgery, and to be able to accurately identify the abnormal node at the time of surgery.

Study identification

NCT ID
NCT03718455
Recruitment status
Terminated
Study type
Interventional
Phase
Not applicable
Lead sponsor
Mayo Clinic
Other
Enrollment
1 participant

Conditions and interventions

Conditions

Interventions

Device

Eligibility (public fields only)

Age range
18 Years and older
Sex
Female
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 29, 2018
Primary completion
Nov 30, 2019
Completion
Nov 30, 2019
Last update posted
Oct 4, 2020

2018 – 2019

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Mayo Clinic in Rochester Rochester Minnesota 55905

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03718455, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 4, 2020 · Synced Sep 11, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03718455 live on ClinicalTrials.gov.

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