Pharmacokinetic parameters of paclitaxel at 175 mg/ m2 given over 3 hours in 5 patients with breast cancer and 3 patients with ovarian cancer were as follows: maximum concentration (Cmax) was 4,213 ng/ ml, area under the plasma concentration vs. time curve (AUClast) was 12,603 ng·h/ ml and clearance (CL) was 20.4 l/ h/ m2.