Thromboxane A2-receptor antagonist. Prepn: S. Terao, Y. Maki, EP 171251; eidem, US 5180742 (1986, 1993 both to Takeda); M. Shiraishi et al., J. Med. Chem. 32, 2214 (1989). Effect on thromboxane A2/prostaglandin endoperoxidase-receptor: Y. Imura et al., Jpn. J. Pharmacol. 52, 35 (1990). Clinical effect in asthma: M. Fujimura et al., J. Allergy Clin. Immunol. 87, 23 (1991). Clinical pharmacokinetics: Z. Hussein et al., Clin. Pharmacol. Ther. 55, 441 (1994).
Antiasthmatic.
Antiasthmatic (Nonbronchodilator); Thromboxane A2-Receptor Antagonist