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Table 1 Phase I/II clinical trials in oestrogen receptor-positive metastatic breast cancer

From: New targets for therapy in breast cancer: Farnesyltransferase inhibitors

Combination

Clinical setting

Number of patients

Primary end-point

Trial group

Tipifarnib + Tamoxifen

Hormone responsive/hormone nonresponsive cancer

52

PK/PD

National Cancer Institute

Tipifarnib + Tamoxifen

Post tamoxifen

40

ORR

H Roche (Toulouse)

Tipifarnib + Tamoxifen

2nd line: post tamoxifen or aromatase inhibitor

45

CBR

National Cancer Institute

  1. CBR, clinical benefit rate; ORR, objective response rate; PK/PD, pharmacokinetic/pharmacodynamic.