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  • Title: [Efficacy and adverse effects of film coated praziquantel for treatment of schistosomiasis japonica].
    Author: Xu J, Guo JG, Wu XH, Zeng XJ, Yang WP, Yang GB, Zheng J, Zhou XN.
    Journal: Zhonghua Yu Fang Yi Xue Za Zhi; 2009 Aug; 43(8):718-22. PubMed ID: 20021854.
    Abstract:
    OBJECTIVE: To understand the adverse and curative effects of film coated praziquantel for treatment of schistosomiasis japonica. METHODS: A questionnaire survey was conducted among 6 to 65 years old inhabitants from epidemic areas of schistosomiasis japonica in Jiangxi, Anhui and Hubei provinces, while indirect haemagglutination assay (IHA) was also administrated. The Serological positives were tested by Kato-Katz technique. A total of 509 habitats of serological positives and healthy persons were given praziquantel. 460 targets with no relative symptoms were followed up for adverse effect of drugs in one month and efficacy evaluation of praziquantel was carried out in 104 parasitological positives 3 months post-treatment. RESULTS: The 84.7% (144/170) individuals thought film coated tablets were no smell or only with little smell while 92.9%(315/339) targets in control group fell that tablets smelled bad. The total side effect rates of film coated praziquantel group and control group in 1-2 hours post-treatment were 20.30% (27/133) and 83.18% (272/327) respectively. There was significantly different between two groups (chi(2) = 164.316, P < 0.05). The adverse effect rates of film coated praziquantel group in neuromuscular system, digestive system and cardiovascular system were 15.79% (21/133), 9.77% (13/133), 2.26% (3/133) individually which were significantly lower than those of control groups with 81.65% (267/327), 49.24% (161/327), 12.84% (42/327) in corresponding systems (chi(2)(neuromuscular system) = 175.188, chi(2)(digestive system) = 62.601, chi(2)(cardiovascular system) = 12.010, P < 0.05). And the adverse effect rate of allergic reaction of film coated group was no significant difference with control group (2.26%(3/133) versus 0.92% (3/327), chi(2) = 1.315, P = 0.235). One day after treatment, the adverse effect rate of film coated tablets of praziquantel decreased to 3.01% (4/133), significantly lower than that of control group (P < 0.05). There was no significant difference after 2 weeks treatment while the adverse effect rates decreased to 0.75%(1/133), 0.61% (2/327) in film coated praziquantel group and control group respectively (chi(2) = 0.029, P = 0.642). The curative rates 3 months post treatment were 84.91% (45/51) in film coated tablets of praziquantel group and 82.35% (42/53) in control group without significant difference (chi(2) = 1.536, P = 0.215). CONCLUSION: The smell and adverse effects of film coated tablets of praziquantel were decreased significantly and its efficacy for treatment of schistosomiasis japonica was equal to the control tablets. The film coated tablets of praziquantel might be applied in field widely after a further verification.
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