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A study to confirm the clinical criteria for boost irradiaion in breast conservertive radiotherapy

A study to confirm the clinical criteria for boost irradiaion in breast conservertive radiotherapy - Retrospective analyses to confirm the clinical criteria for boost irradiaion in breast conservertive radiotherapy

Status
Active, not recruiting
Phases
Phase 2
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000030052
Enrollment
500
Registered
2018-06-01
Start date
1997-06-01
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

T1-2 Breast cancer

Interventions

None listed

Sponsors

Social care corporation Keiyukai sapporo hospital
Lead Sponsor
Shinsapporo breast clinic Hokkaido cancer center department of radyiation oncolog
Collaborator

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: between 25 and 84 years old females patients with clinical stage T1-2 breast cancer

Exclusion criteria

Exclusion criteria: M1 cases cT3-4 stage or cN2-4 locally advanced cases

Design outcomes

Primary

MeasureTime frame
local recurrence

Secondary

MeasureTime frame
Implication of post-operative RT connected with endocrine therapy and young age etc.

Countries

Japan

Contacts

Public ContactNobuo Hongo

Social care corporation Keiyukai sapporo hospital Administrative office

nhongo@keiyukaisapporo.or.jp011-863-2101

Outcome results

None listed

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