Prospective Study of Hypofractionated Partial Breast Irradiation using 3D-Conformal Radiotherapy

Prospective Study of Hypofractionated Partial Breast Irradiation using 3D-Conformal Radiotherapy - 3D-HPBI Trial

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000004184

Enrollment

Registered

2010-09-13

Start date

2010-05-01

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

Radiotherapy (Photon and/or electron) 30Gy/5fractions/2wks

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Stage 1 partial breast resection axillary resection or sentinel lumph node biopsy were performed invasive ductal carcinoma less than 5.5 cm of the distance clip PS0-1 no privious radiotherapy informed consent

Exclusion criteria

Exclusion criteria: active double cancer active infection pregnancy mental disorder collagen disease

Design outcomes

Primary

Measure	Time frame
2-year late adverse events	—

Secondary

Measure	Time frame
overall survival, disease-free survival, local recurrence-free survival, compliance for treatment, acute adverse events, cosmesis	—

Countries

Japan

Contacts

Public ContactNaoto Shikama

Saitama Medical University International Hospital Radiation Oncology

nshikama0525@gmail.com042-984-4111

Outcome results

None listed

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