BIG Breast International Group
We will find a cure for breast cancer through global research and collaboration.

IBCSG 18-98 (BIG 1-98)

IBCSG 18-98 is a phase III study to evaluate letrozole as adjuvant endocrine therapy for postmenopausal women with receptor (ER and/or PgR) positive tumours.

Coordinating group: IBCSG

Patients accrual
Start date: March 1998
Closure date: May 2003
Target nr. of patients: 8000
Final accrual: 8028

Status: closed Identifier: NCT00004205

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Breast International Group (BIG)-aisbl Blvd de Waterloo 121 B-1000 Brussels | Belgium VAT BE 0468 176 240