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題 名 | The Analgesic Effect of Nalbuphine and Its Long-acting Prodrug, Nalbuphine Pivalate, in Rats=Nalbuphine及其長效前趨藥Nalbuphine Pivalate在大白鼠之止痛藥效研究 |
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作 者 | 陳冠廷; 胡幼圃; 何善台; 陳郁文; 王志中; | 書刊名 | 麻醉學雜誌 |
卷 期 | 40:4 2002.12[民91.12] |
頁 次 | 頁191-195 |
分類號 | 418.224 |
關鍵詞 | 止痛; 前趨藥; Analgesia; Nalbuphine; Prodrug; Nalbuphine pivalate; |
語 文 | 英文(English) |
中文摘要 | 背景:Nalbuphine是一個具有鴉片接受體拮抗及親合作用的止痛劑。近日來我們已合成了一個Nalbuphine之前趨藥Nalbuphine Pivalate,本研究的目的在評估這前趨藥之止痛效果及效期。方法:將友鄰性SD鼠分爲4組,每組12雙。Nalbuphine HCI制成水溶液且以25μmol/公觔行大腿肌肉注射。Nalbuphine Pivalate以芝蔴油制成油溶液且以25μmol/公觔行大腿肌肉注射,以上二種劑型之溶液(生理食鹽水及芝蔴油)也被用來作爲肌肉注射當作對照組。以冰酒精閃尾試驗(-30℃)測試藥物的止痛效果及效期。結果:Nalbuphine HCI及Nalbuphine Pivalate皆有止痛效果,Nalbuphine HCI僅有2小時之止痛效期,而Nalbuphine pivalate卻有30小時之止痛效期。結論:本研究結果顯示Nalbuphine Pivalate有一個非常長效期的止痛作用,這令人興奮的結果值得我們做更進一步的探討。 |
英文摘要 | Background: Nalbuphine is an opioid-analgesic with agonist-antagonist properties. Recently, we have synthesized a nalbuphine prodrug, nalbuphine pivalate. The aim of the present study was to evaluate the analgesic effect and the analgesic duration of this prodrug. Methods: Forty-eight male Sprague-Dawley rats (4 groups, n=12 in each group) were used. Rats in group 1 received nalbuphine HCI 25 μmol/kg (in saline) intramuscular injection; rats in group 2 received nalbuphine pivalate 25 pmol/kg (in sesame oil) intramuscular injection, whereas those in groups 3 and 4 received saline and sesame oil respectively. The analgesic effects of testing agents were evaluated using the cold ethanol tail-flick test (-30℃). Results: Both nalbuphine HCI and nalbuphine pivalate demonstrated significant analgesic effects. The analgesic duration of nalbuphine HCI was 2 h while that of nalbuphine pivalate was 30 h. Conclusions: Nalbuphine pivalate has a very long duration of analgesic action. This fascinating finding is worth further evaluation. |
本系統中英文摘要資訊取自各篇刊載內容。