The present application relates methods for treating a depressive symptom comprising administering an effective amount of a μ opioid receptor agonist or a pharmaceutically acceptable salt thereof to a subject in need thereof. Non-limiting examples of such agonist include the compounds of Formulas I, II, III, and IV, as well as the compounds of Table A.

The present application relates methods for treating a depressive symptom comprising administering an effective amount of a μ opioid receptor agonist or a pharmaceutically acceptable salt thereof to a subject in need thereof. Non-limiting examples of such agonist include the compounds of Formulas I, II, III, and IV, as well as the compounds of Table A.

The present invention encompasses improved morphian compositions and methods of use of the improved compositions for modulating neuropathic pain, opioid-induced glial activation, or a combination thereof beyond what is currently known in the art. The methods involve administering the compound of Formula I to a subject.

The present invention encompasses improved morphian compositions and methods of use of the improved compositions for modulating neuropathic pain, opioid-induced glial activation, or a combination thereof beyond what is currently known in the art. The methods involve administering the compound of Formula I to a subject.

In some aspects, the present disclosure provides compounds of the formula: ##STR00001##
wherein the variables are as defined herein. In some embodiments, these compounds may be used to reduce the pain of a patient. These compounds may be used in pain relief and show an improved pharmaceutical profile relative to other commonly used opiates and opioid derivatives.

In some aspects, the present disclosure provides compounds of the formula: ##STR00001##
wherein the variables are as defined herein. In some embodiments, these compounds may be used to reduce the pain of a patient. These compounds may be used in pain relief and show an improved pharmaceutical profile relative to other commonly used opiates and opioid derivatives.

The present invention relates to novel 6-acetylmorphine analogs, and methods for their synthesis and use. Such analogs are designed to provide a convenient linkage chemistry for coupling under mild conditions to a suitable group on a target protein, polypeptide, solid phase or detectable label.

The present invention relates to novel 6-acetylmorphine analogs, and methods for their synthesis and use. Such analogs are designed to provide a convenient linkage chemistry for coupling under mild conditions to a suitable group on a target protein, polypeptide, solid phase or detectable label.

The present application relates methods for treating a depressive symptom comprising administering an effective amount of a μ opioid receptor agonist or a pharmaceutically acceptable salt thereof to a subject in need thereof. Non-limiting examples of such agonist include the compounds of Formulas I, II, III, and IV, as well as the compounds of Table A.

The present application relates methods for treating a depressive symptom comprising administering an effective amount of a μ opioid receptor agonist or a pharmaceutically acceptable salt thereof to a subject in need thereof. Non-limiting examples of such agonist include the compounds of Formulas I, II, III, and IV, as well as the compounds of Table A.