Skip to content

Investigation for prognosis and correlation of therapeutic effect by preoperative chemotherapy and postoperative histopathological diagnosis

Investigation for prognosis and correlation of therapeutic effect by preoperative chemotherapy and postoperative histopathological diagnosis - JBCRG-S02

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
JPRN
Registry ID
JPRN-UMIN000038425
Enrollment
400
Registered
2019-10-29
Start date
2019-09-02
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 which is evaluated pathological and imaging study as clinical CR after PST(Preoperative Systemic Therapy)

Interventions

None listed

Sponsors

Japan Breast Cancer Research Group(JBCRG)
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1.patients who enrolled JBCRG study 2.image examination was performed after PST 3.diagnosised as clinical CR 4.diagnosised pathological study after operation 5.evaluated prognosis (OS,DFS, D-DFS)

Exclusion criteria

Exclusion criteria: 1.Not recorded pathological study 2.Not performed protocol treatments 3.Not evaluated image examination after PST. 4.Not evaluated pathological study after PST.

Design outcomes

Primary

MeasureTime frame
(1) accuracy rate of pCR (pCR/cCR) (2) prognosis (OS,DFS,D-DFS) (3) each prognosis of pCR, non-pCR (OS, DFS,D-DFS) (4) accuracy rate of each intrinsic subtype (5) prognosis of each intrinsic subtype

Countries

Japan

Contacts

Public ContactJun Fukase

Japan Breast Cancer Research Group(JBCRG) Head office

JBCRG-QAG@jbcrg.jp03-6264-8873

Outcome results

None listed

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