Y Matsukawa, S Nishinarita, T Horie, M Moriyama, N Tanaka, Y Arakawa, S Kamei, M Matsuura, T Kojima
{"title":"血清α干扰素浓度:一天一次与一天两次用药的比较。","authors":"Y Matsukawa, S Nishinarita, T Horie, M Moriyama, N Tanaka, Y Arakawa, S Kamei, M Matsuura, T Kojima","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The aim of this study was to determine the possible mechanism of the antiviral activity of twice daily administration of interferon (IFN)-alpha for active hepatitis C and to evaluate serum concentrations of IFN-alpha with enzyme-linked immunosorbent assay (ELISA). Forty-seven patients with active hepatitis C received IFN-alpha intramuscularly for 24 weeks. They were divided into once-a-day and twice-a-day groups. Changes in serum IFN-alpha levels were assessed during the treatment period. Compared with twice-a-day treatment, the once-a-day group showed no increase in serum IFN-alpha at the end of daily treatment (p < 0.03). In contrast, one-third of the twice-a-day group showed increased IFN-alpha at the end of daily treatment (p < 0.02). In conclusion, measured with ELISA, twice-daily administration of IFN-alpha manifested prolonged elevation in serum levels when compared with once daily administration.</p>","PeriodicalId":13940,"journal":{"name":"International journal of clinical pharmacology research","volume":"20 1-2","pages":"17-9"},"PeriodicalIF":0.0000,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Serum concentration of interferon-alpha: a comparison between once-a-day and twice-a-day administration.\",\"authors\":\"Y Matsukawa, S Nishinarita, T Horie, M Moriyama, N Tanaka, Y Arakawa, S Kamei, M Matsuura, T Kojima\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The aim of this study was to determine the possible mechanism of the antiviral activity of twice daily administration of interferon (IFN)-alpha for active hepatitis C and to evaluate serum concentrations of IFN-alpha with enzyme-linked immunosorbent assay (ELISA). Forty-seven patients with active hepatitis C received IFN-alpha intramuscularly for 24 weeks. They were divided into once-a-day and twice-a-day groups. Changes in serum IFN-alpha levels were assessed during the treatment period. Compared with twice-a-day treatment, the once-a-day group showed no increase in serum IFN-alpha at the end of daily treatment (p < 0.03). In contrast, one-third of the twice-a-day group showed increased IFN-alpha at the end of daily treatment (p < 0.02). In conclusion, measured with ELISA, twice-daily administration of IFN-alpha manifested prolonged elevation in serum levels when compared with once daily administration.</p>\",\"PeriodicalId\":13940,\"journal\":{\"name\":\"International journal of clinical pharmacology research\",\"volume\":\"20 1-2\",\"pages\":\"17-9\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2000-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International journal of clinical pharmacology research\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International journal of clinical pharmacology research","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Serum concentration of interferon-alpha: a comparison between once-a-day and twice-a-day administration.
The aim of this study was to determine the possible mechanism of the antiviral activity of twice daily administration of interferon (IFN)-alpha for active hepatitis C and to evaluate serum concentrations of IFN-alpha with enzyme-linked immunosorbent assay (ELISA). Forty-seven patients with active hepatitis C received IFN-alpha intramuscularly for 24 weeks. They were divided into once-a-day and twice-a-day groups. Changes in serum IFN-alpha levels were assessed during the treatment period. Compared with twice-a-day treatment, the once-a-day group showed no increase in serum IFN-alpha at the end of daily treatment (p < 0.03). In contrast, one-third of the twice-a-day group showed increased IFN-alpha at the end of daily treatment (p < 0.02). In conclusion, measured with ELISA, twice-daily administration of IFN-alpha manifested prolonged elevation in serum levels when compared with once daily administration.
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