Effect of dilazep in patients with hypercoagulable state. Twenty-eight patients with hypercoagulable state were treated with dilazep (300 mg/d) for 1 month. Plasma levels of TAT, FDP-D-dimer, fibrinogen, and TF antigen were determined by ELISA or the clotting time method before and after treatment with dilazep as described in the Materials and Methods. Values are expressed as the mean ± SD. *P < .001.