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ABCSG 45: A prospective, open, randomized, phase II study of carboplatin/olaparib in the pre-operative treatment of patients with triple-negative primary breast cancer which exhibit the features of positive homologous recombination deficiency (HRD) status

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-512821-10-00
Acronym
ABCSG 45
Enrollment
90
Registered
2024-04-26
Start date
2019-06-17
Completion date
2025-09-05
Last updated
2025-01-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Early invasive triple negative breast cancer with positive HRD status (acc. to Myriad mychoice© test)

Brief summary

Main study: Histo-pathological response to pre-operative carboplatin/olaparib compared with pre-operative TAC-based chemotherapy when measured by centrally assessed RCB (RCB-0/I versus RCB-II/III)., Substudy: Incidence, nature and severity of adverse events (AEs) graded according to NCI CTCAE, most current version.

Detailed description

Main study: Occurrence of pCR at the time of surgery., Main study: Quality of Life and sexual health scores and changes from baseline as measured using EORTC QLQ-C30, EORTC QLQ-BR45 and EORTC SHQ-C22.

Interventions

DRUGLynparza 100 mg film-coated tablets
DRUGCYCLOPHOSPHAMIDE
DRUGLynparza 150 mg film-coated tablets
DRUGDOCETAXEL
DRUGDOXORUBICIN
DRUGCARBOPLATIN
DRUGEPIRUBICIN

Sponsors

Verein Zur Praevention Und Therapie Boesartiger Erkrankungen Austrian Breast And Colorectal Cancer Study Group
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Main study: Histo-pathological response to pre-operative carboplatin/olaparib compared with pre-operative TAC-based chemotherapy when measured by centrally assessed RCB (RCB-0/I versus RCB-II/III)., Substudy: Incidence, nature and severity of adverse events (AEs) graded according to NCI CTCAE, most current version.

Secondary

MeasureTime frame
Main study: Occurrence of pCR at the time of surgery., Main study: Quality of Life and sexual health scores and changes from baseline as measured using EORTC QLQ-C30, EORTC QLQ-BR45 and EORTC SHQ-C22.

Countries

Austria

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026