Review of Docetaxel/Doxorubicin Combination in Metastatic Breast Cancer

Docetaxel (Taxotere) and doxorubicin (Adriamycin) have each demonstrated significant activity in metastatic breast cancer. Thus, the combination of docetaxel and doxorubicin has been evaluated in phase I trials to

ABSTRACT: Docetaxel (Taxotere) anddoxorubicin (Adriamycin) have each demonstrated significant activity inmetastatic breast cancer. Thus, the combination of docetaxel and doxorubicinhas been evaluated in phase I trials to establish the dose-limiting toxicity,maximum tolerated dose, recommended dose for future phase II and III studies,and toxicity profile of the two agents used in combination. Results fromphase I trials in patients with metastatic breast cancer indicate thatthe docetaxel/doxorubicin combination is well tolerated. The recommendeddose for the combination regimen is either 50 mg/m² of doxorubicinfollowed by 75 mg/m² of docetaxel or 60 mg/m² of both drugs,without granulocyte colony-stimulating factor (G-CSF) (filgrastim [Neupogen])support. Febrile neutropenia complicated by grade 3 infection was the dose-limitingeffect at the maximum tolerated dose. The response rate at this dose levelwas 90%. Based on the preliminary results of phase I studies, further phaseII and III studies of a docetaxel/doxorubicin combination regimen are warranted. [ONCOLOGY11(Suppl 8):31-33, 1997]

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