生物活性 | |||
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描述 | Loperamide (Hydrochloride) is an opioid receptor agonist widely used for the treatment of diarrhea[3]. In contrast with other opioid agonists, loperamide is a peripherally acting μ-receptor agonist exerting its effects mainly on the myenteric plexus of the gastrointestinal longitudinal muscle layer. It decreases peristalsis and fluid secretion resulting in longer gastrointestinal transit time. The bioavailability of the drug is extremely low. Moreover, it is actively excluded from the central nervous system; hence, it lacks the central effects of euphoria and analgesia at the recommended dosages[4]. Rats were orally gavaged with 1.5, 3, or 6 mg/kg body weight (BW) of loperamide hydrochloride for 7 days. The results after 7 days administration of loperamide, revealed dose-dependent increase in aspartate aminotransferase, lactate dehydrogenase, creatine kinase-MB, and serum concentration of cardiac troponin I, total homocysteine, and nitric oxide. Loperamide provoked cardiotoxicity through oxidative stress, lipid peroxidation, and DNA fragmentation in rats[5]. Loperamide decreased cell viability in a dose-dependent fashion and was most effective against canine osteosarcoma cells. When co-incubated with doxorubicin, loperamide induced a synergistic cell kill in canine carcinoma cells[6]. |
临床研究 | |||||
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NCT号 | 适应症或疾病 | 临床期 | 招募状态 | 预计完成时间 | 地点 |
NCT03575078 | Lymphoma | Phase 1 | Not yet recruiting | August 23, 2023 | - |
NCT00555620 | - | Completed | - | - | |
NCT02677844 | - | Completed | - | - |
实验方案 | |||
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1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
1.95mL 0.39mL 0.19mL |
9.74mL 1.95mL 0.97mL |
19.47mL 3.89mL 1.95mL |
参考文献 |
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[3]Wu PE, Juurlink DN. Clinical Review: Loperamide Toxicity. Ann Emerg Med. 2017 Aug;70(2):245-252 |