Solid dispersions of stable, amorphous opioid antagonists, particularly [[2(S)-[[4(R)-(3-hydroxyphenyl)-3(R),4-dimethyl-piperidinyl]methyl]-1-oxo-3-phenylpropyl]amino]acetic acid, with improved water solubility and bioavailability are disclosed. Also disclosed are methods of preventing or treating a side effect associated with an opioid. In addition, methods of treating or preventing pain, ileus, and opioid bowel dysfunction are disclosed.
本发明揭示了稳定的非晶态阿片受体拮抗剂的固体分散体,特别是[[2(S)-[[4(R)-(3-羟基苯基)-3(R),4-二甲基
哌啶基]甲基]-1-氧代-3-苯基丙基]
氨基]
乙酸,具有改善的
水溶性和
生物利用度。还揭示了预防或治疗与阿片受体相关的副作用的方法。此外,还揭示了治疗或预防疼痛、肠梗阻和阿片类药物肠功能紊乱的方法。