Pharmacokinetic parameters of paclitaxel at 175 mg/ m2 given over 3 hours in 13 patients with breast cancer were as follows: maximum concentration (Cmax) was 3,890 ng/ ml, area under the plasma concentration vs. time curve (AUClast) was 14,090 ng·h/ ml and clearance (CL) was 13.3 l/ h/ m2.