11-deoxy PGF1α is a synthetic analog of PGF1α. In whole animal studies, a dose of 32 mg/kg inhibited gastric acid secretion by 35%.{1347} 11-deoxy PGF1α is also known to cause rat uterine contractions at a dose 0.3 times that of PGF1α.{1348} It also exhibits vasopressor and bronchoconstrictor activities at about half the potency of PGF2α in guinea pigs.{2217}