Abstract: The present invention is directed to oral, therapeutically effective extended release pharmaceutical compositions of 3-hydroxy-N-methylmorphinan, including delayed onset, extended release dosage forms and the use thereof.

Abstract: The present invention is in the field of oral, abuse resistant pharmaceutical compositions of opioid agonists, extended release pharmaceutical compositions of opioid agonists and extended release abuse resistant pharmaceutical compositions of opioid agonists and the use thereof. The present invention is also directed to extended release pharmaceutical compositions and the use thereof for preventing or minimizing the risk of abuse and/or toxicity from either intentional or unintentional tampering. The present invention is further directed at a method of preventing or minimizing the risk of abuse and/or toxicity from either intentional or unintentional tampering.

Abstract: The present invention is directed at methods for preventing or minimizing the intensity of the serotonin syndrome in humans and lower animals which comprises administering proserotonergic agents and serotonin surge protectors. The present invention is also directed to pharmaceutical compositions comprising proserotonergic agents and serotonin surge protectors useful for carrying out the method of the present invention.