| 摘要 |
Compositions and methods for parenterally administering methadone. The methadone composition may be administered in a sterile, preservative-free formulation, or in a formulation including a chlorobutanol-free, government approved preservative. The methadone formulations are administered parenterally, such as intravenously or topically, for many applications including the treatment of pain resulting from chronic disorders, cancer, acute symptoms and the like.
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