Acceleration by a small neodymium magnet in sentinel biopsy technique using magnetic nanoparticles and a handheld magnetometer

Acceleration by a small neodymium magnet in sentinel biopsy technique using magnetic nanoparticles and a handheld magnetometer - SLNB accelerated by a neodymium magnet

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000029475

Enrollment

Registered

2017-10-15

Start date

2017-03-30

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

Additon repeated motion of a magnet to SPIO SLNB

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Breast cancer patients aged 20 or above 2. Clinical axillary lymph node negative 3. Written informed concent

Exclusion criteria

Exclusion criteria: 1. Ipsirateral breast tumor reccurrence 2. History of axillary surgery 3. After insertion breast implant 4. Male breast cancer

Design outcomes

Primary

Measure	Time frame
SLN detection rate using the new system	—

Secondary

Measure	Time frame
1.SLN detection rate using standard technique 2.Comparing detection of Blue node, Hot node and SPIO node 3.The rate to coincide nodes detected using standard technique with using the new technique 4.The factors which influences detection rate	—

Countries

Japan

Contacts

Public ContactMasujiro Makita

Nippon Medical School Musashikosugi Hospital Department of breast surgery

m-makita@nms.ac.jp044-733-5181

Outcome results

None listed

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