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  • Title: General pharmacological properties of YJA 20379-1, a novel proton pump inhibitor with antiulcer activities.
    Author: Lee EB, Cho SI, Cheon SA, Chang MS, Kim KB, Sohn SK, Chung YK.
    Journal: Arzneimittelforschung; 1999 Dec; 49(12):1018-24. PubMed ID: 10635448.
    Abstract:
    The general pharmacological properties of YJA 20379-1 (2-amino-4,5-dihydro-8-phenylimidazo[2,1-b]thiazolo[4,5-g]benzo thi azole), a novel proton pump inhibitor with antiulcer activities, were investigated in mice, rats, guinea pig and rabbits. YJA 20379-1 at oral doses of 50, 100 and 200 mg/kg did not affect the general behaviour, hexobarbital hypnosis, motor coordination and body temperature in mice. The drug does not have analgesic and anticonvulsant action at 200 mg/kg p.o. The locomotor activity was not affected at 100 mg/kg p.o., but at 200 mg/kg, the activity was suppressed. YJA 20379-1 (at 2 x 10(-4) g/ml) did neither produce any contraction nor relaxation of isolated organs such as rat fundus, rat uterus, guinea pig ileum and guinea pig vas deferens, and the drug did not antagonize the contractile response to several spasmogens, such as histamine, acetylcholine, serotonin and oxytocin, and the drug up to 200 mg/kg p.o. did not affect pupil size of mice. The intestinal propulsion in mice was not affected up to 200 mg/kg p.o. The gastric emptying in rats was not affected at 100 mg/kg p.o., even if retardation in gastric emptying occurred at 200 mg/kg. YJA 20379-1 did not show anti-inflammatory action nor did it affect urinary excretion up to 200 mg/kg p.o. From these results, it is suggested that YJA 20379-1 at the high dose of 100 mg/kg p.o. may not exert any adverse effects.
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