a feasibility study of partial resection of non-palpable breast cancer with calcification by Ultra breast marker.

a feasibility study of partial resection of non-palpable breast cancer with calcification by Ultra breast marker. - Ultra breast marker feasibility study

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000024997

Enrollment

Registered

2016-12-01

Start date

2016-12-01

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

Patients receive Ultra breast marker at the time of stereo-mammotome biopsy against non-palpable calcified lesions suspected of being breast cancer

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1) The patient who undergoes ST-MMT in the Aichi Cancer Center Hospital for non-palpable calcified lesions(category 3 or more) suspected of breast cancer 2) The calcified lesions can't be identified by US. 3) ECOG performance status PS0 4) Patient age is 18 years or older 5) Platelet : 10000 and more PT-INR 1.5 or less 6)informed consent 7) Without platelet aggregation inhibitor, Anticoagulant 8) Patients have to receive detailed US

Exclusion criteria

Exclusion criteria: 1) The lesion can be identified by the US. 2) Total Mastectomy is planned. 3) Informed consent is not obtained.

Design outcomes

Primary

Measure	Time frame
feasibility: to insert breast marker safety and accurately into the target site when inserting the Ultra breast marker	—

Secondary

Measure	Time frame
margin positive rate, boost radiation, additional resection, operation time, allergy	—

Countries

Japan

Contacts

Public ContactMadoka Iwase

Aichi Cancer Center Hospital Breast Oncology

miwase@aichi-cc.jp0527626111

Outcome results

None listed

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