Clinical Outcome of Multicatheter BrAchyTherapy (COMBAT) for 2 Days UltrashOrt PBI (COMBAT-DUO)

Clinical Outcome of Multicatheter BrAchyTherapy (COMBAT) for 2 Days UltrashOrt PBI (COMBAT-DUO) - Clinical Outcome of 2 Days UltrashOrt PBI (COMBAT-DUO)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041233

Enrollment

Registered

2020-07-28

Start date

2020-08-01

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

4 fracture for 2 days 8 fracture for 5 days

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1) Patients with histopathologically confirmed breast cancer before breast-conserving surgery 2) Patients with clinical stages I to III 3) Breast cancer patients with a maximum tumor diameter of 3 cm or less 4) Patients scheduled to undergo breast-conserving surgery 5)Patients who obtained their informed written consent after receiving a sufficient explanation for participation in this study

Exclusion criteria

Exclusion criteria: 1) Patients who have undergone mastectomy 2) Patients with local recurrence 3) Patients with breast Paget's disease 4) Patients with collagen disease 5) Patients who are pregnant or may be pregnant 6)patients who the investigator determined to be inappropriate for the study

Design outcomes

Primary

Measure	Time frame
safety	—

Countries

Japan

Contacts

Public ContactKazuhiko Sato

Tokyo-west Tokushukai Hospital Breast Oncology center

kazsato@lake.ocn.ne.jp0425004433

Outcome results

None listed

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