Compositions containing opioid antagonists are disclosed, particularly alvimopan and its active metabolite in solid dosage forms, where the drug is uniformly distributed, achieves the desired bioavailability, and is stable. Methods of preparing and using the compositions containing opioid antagonists are also disclosed. The results are achieved by a combination of processing techniques and component selection.
披露了含有阿片受体拮抗剂的组合物,特别是阿尔维莫潘及其在固体剂型中的活性代谢物,其中药物均匀分布,达到所需的
生物利用度,并且稳定。还披露了制备和使用含有阿片受体拮抗剂的组合物的方法。通过一系列加工技术和成分选择实现了这些结果。