Abstract: The preparation and properties of crystalline polymorphs and solvates of 1-benzyl-8-methyl-1,4,8-triazaspiro-[4.5]-decan-2-one free base and of the mono-and dihydrochloride salts and solvates thereof are disclosed, as is an amorphous polymorph of the dihydrochloride. A pharmaceutical composition containing one or more polymorphs and a method of using that composition are also disclosed.

Abstract: The preparation and properties of crystalline polymorphs and solvates of 1-benzyl-8-methyl-1,4,8-triazaspiro-[4.5]-decan-2-one free base and of the mono- and dihydrochloride salts and solvates thereof are disclosed, as is an amorphous polymorph of the dihydrochloride. A pharmaceutical composition containing one or more polymorphs and a method of using that composition are also disclosed.

Abstract: This invention relates to cocrystals of naloxone and of naltrexone and their use as opioid antagonists. The cocrystals of the invention include naloxone isonicotinamide cocrystal, naloxone hydrochloride piperazine cocrystal, naltrexone menthol cocrystal, naltrexone thymine cocrystal, naltrexone 2,5-dihydroxybenzoic acid cocrystal, naltrexone salicylic acid cocrystal, naltrexone hydrochloride piperazine cocrystal and naltrexone hydrochloride sulfathiazole cocrystal. A drug-in¬ adhesive transdermal patch containing the opioid analgesic fentanyl or an analog thereof and a cocrystal of naloxone or naltrexone is disclosed. Also disclosed is a method of treating pain, such as acute, chronic or intermittent pain, by applying a drug-in-adhesive transdermal patch of the invention to the skin of a patient in need thereof.

Abstract: This invention relates to crystalline salts of naloxone and of naltrexone and their use as opioid antagonists. The crystalline salts of the invention include naloxone saccharinate, naltrexone succinate and a methanol solvate of naltrexone succinate. A drug-in-adhesive transdermal patch containing the opioid analgesic fentanyl or an analog thereof and a crystalline salts of naloxone or naltrexone is disclosed. Also disclosed is a method of treating pain, such as acute, chronic or intermittent pain, by applying a drug-in-adhesive transdermal patch of the invention to the skin of a patient in need thereof.

Abstract: The preparation and properties of crystalline polymorphs and solvates of 1-benzyl-8-methyl-1,4,8-triazaspiro-[4.5]-decan-2-one free base and of the mono- and dihydrochloride salts and solvates thereof are disclosed, as is an amorphous polymorph of the dihydrochloride. A pharmaceutical composition containing one or more polymorphs and a method of using that composition are also disclosed.

Abstract: Abuse-resistant oral dosage forms suitable for administration of pharmacologically active agents are provided.

Abstract: Abuse-resistant oral dosage forms suitable for administration of pharmacologically active agents are provided.

Abstract: Novel compositions, formulations and dosage forms comprising stabilized micronized opioid particles are disclosed. Exemplary opioids include oxycodone, oxymorphone, hydrocodone, and hydromorphone, including as free bases or as salts. Stabilized micronized opioid particles having a DV90 particle size distribution of less and or equal to 10? or less than or equal to 20? are disclosed. Methods for micronizing an opioid to provide stabilized micronized opioid particles are also disclosed.

Abstract: Abuse-resistant oral dosage forms suitable for administration of pharmacologically active agents are provided.

Abstract: This invention relates to crystalline salts of naloxone and of naltrexone and their use as opioid antagonists. The crystalline salts of the invention include naloxone saccharinate, naltrexone succinate and a methanol solvate of naltrexone succinate. A drug-in-adhesive transdermal patch containing the opioid analgesic fentanyl or an analog thereof and a crystalline salts of naloxone or naltrexone is disclosed. Also disclosed is a method of treating pain, such as acute, chronic or intermittent pain, by applying a drug-in-adhesive transdermal patch of the invention to the skin of a patient in need thereof.

Abstract: This invention relates to cocrystals of naloxone and of naltrexone and their use as opioid antagonists. The cocrystals of the invention include naloxone isonicotinamide cocrystal, naloxone hydrochloride piperazine cocrystal, naltrexone menthol cocrystal, naltrexone thymine cocrystal, naltrexone 2,5-dihydroxybenzoic acid cocrystal, naltrexone salicylic acid cocrystal, naltrexone hydrochloride piperazine cocrystal and naltrexone hydrochloride sulfathiazole cocrystal. A drug-in¬ adhesive transdermal patch containing the opioid analgesic fentanyl or an analog thereof and a cocrystal of naloxone or naltrexone is disclosed. Also disclosed is a method of treating pain, such as acute, chronic or intermittent pain, by applying a drug-in-adhesive transdermal patch of the invention to the skin of a patient in need thereof.

Abstract: Abuse-resistant oral dosage forms suitable for administration of pharmacologically active agents are provided.

Abstract: Abuse-resistant oral dosage forms suitable for administration of pharmacologically active agents are provided.

Abstract: Abuse-resistant oral dosage forms suitable for administration of pharmacologically active agents are provided.

Abstract: A 4:3 naltrexone: 5-methyl-2-furaldehyde cocrystal and its use as an opioid antagonist are disclosed. The invention also relates to a drug-in-adhesive transdermal patch containing the analgesic fentanyl, a mu opioid agonist, or an analog thereof and a 4:3 naltrexone: 5-methyl-2-furaldehyde cocrystal, as an opioid antagonist. A transdermal patch of the invention is tamper-resistant and an abuse deterrent which protects against drug misuse or abuse. The invention also provides a method of treating pain, such as acute, chronic, or intermittent pain, by applying a drug-in-adhesive transdermal patch according to the invention to the skin of a patient in need thereof. Also disclosed is an improved transdermal patch for administering fentanyl or an analog thereof, or for administering a mu opioid agonist, the improvement wherein the transdermal patch contains a 4:3 naltrexone: 5-methyl-2-furaldehyde cocrystal in an abuse limiting amount.

Abstract: Abuse-resistant oral dosage forms suitable for administration of pharmacologically active agents are provided.

Abstract: Novel compositions, formulations and dosage forms comprising stabilized micronizedopioid particles are disclosed. Exemplary opioids include oxycodone, oxymorphone, hydrocodone, and hydromorphone, including as free bases or as salts. Stabilized micronized opioid particles having a DV90 particle size distribution of less and or equal to 10? or less than or equal to 20? are disclosed. Methods for micronizing an opioid to provide stabilized micronized opioid particles are also disclosed.

Abstract: Abuse-resistant oral dosage forms suitable for administration of pharmacologically active agents are provided.

Abstract: Novel compositions, formulations and dosage forms comprising stabilized micronized opioid particles are disclosed. Exemplary opioids include oxycodone, oxymorphone, hydrocodone, and hydromorphone, including as free bases or as salts. Stabilized micronized opioid particles having a Dv90 particle size distribution of less and or equal to 10? or less than or equal to 20? are disclosed. Methods for micronizing an opioid to provide stabilized micronized opioid particles are also disclosed.

Abstract: A 4:3 naltrexone: 5-methyl-2-furaldehyde cocrystal and its use as an opioid antagonist are disclosed. The invention also relates to a drug-in-adhesive transdermal patch containing the analgesic fentanyl, a mu opioid agonist, or an analog thereof and a 4:3 naltrexone: 5-methyl-2-furaldehyde cocrystal, as an opioid antagonist. A transdermal patch of the invention is tamper-resistant and an abuse deterrent which protects against drug misuse or abuse. The invention also provides a method of treating pain, such as acute, chronic, or intermittent pain, by applying a drug-in-adhesive transdermal patch according to the invention to the skin of a patient in need thereof. Also disclosed is an improved transdermal patch for administering fentanyl or an analog thereof, or for administering a mu opioid agonist, the improvement wherein the transdermal patch contains a 4:3 naltrexone: 5-methyl-2-furaldehyde cocrystal in an abuse limiting amount.