The Evaluation in usefulness of Guiding Marker SystemTM and magnetic probe, for detecting and resecting of non-palpable lesions of the breast

The Evaluation in usefulness of Guiding Marker SystemTM and magnetic probe, for detecting and resecting of non-palpable lesions of the breast - The Evaluation of magnetic probe system for detecting of non-palpable lesions of the breast

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs032180422

Enrollment

Registered

2019-03-25

Start date

2019-01-05

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Interventions

Puncture and insertion of guiding marker Resection of non palpable lesion of breast

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1.Non-palpable breast cancer or non-palpable lesion suspected breast cancer which is planed surgical procedure. 2.Over 20 years old when its consented 3.Written informed consent

Exclusion criteria

Exclusion criteria: 1.Metal allergy 2.Patient who had breast implant insertion surgery 3.Breast cancer patient in pregnancy period or lactation period 4.Male breast cancer 5.Inflammatory breast cancer 6.Patient who is assessed not applicable by physicians

Design outcomes

Primary

Measure	Time frame
Complete resection of guiding marker	—

Secondary

Measure	Time frame
Positive rate of the surgical margin Re-operation / boost radiation within 3 months after breast conserving surgery Safety	—

Contacts

Public ContactTomoko Kurita

Nippon Medical School Hospital

tomoko28@nms.ac.jp+81-3-3822-2131

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026