Abstract: The embodiments provide Compound KC-8, N-1-[3-(oxycodone-6-enol-carbonyl-methyl-amino)-2,2-dimethyl-propylamine]-arginine-glycine-malonic acid, or acceptable salts, solvates, and hydrates thereof. The present disclosure also provides compositions, and their methods of use, where the compositions comprise a prodrug, Compound KC-8, that provides controlled release of oxycodone. Such compositions can optionally provide a trypsin inhibitor that interacts with the enzyme that mediates the controlled release of oxycodone from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: The embodiments provide prodrug compounds of Formulae I-XVII. The present disclosure also provides compositions, and their methods of use, where the compositions comprise a prodrug compound of Formulae I-XVII that provides controlled release of an active agent. Such compositions can optionally provide a trypsin inhibitor that interacts with the enzyme that mediates the controlled release of an active agent from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: The embodiments provide prodrug compounds of Formulae I-XV. The present disclosure also provides compositions, and their methods of use, where the compositions comprise a prodrug compound of Formulae I-XV that provides controlled release of an opioid. Such compositions can optionally provide a trypsin inhibitor that interacts with the enzyme that mediates the controlled release of an opioid from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: The embodiments provide Compound KC-8, N-1-[3-(oxycodone-6-enol-carbonyl-methyl-amino) -2,2-dimethyl-propylamine]-arginine-glycine-malonic acid, or acceptable salts, solvates, and hydrates thereof. The present disclosure also provides compositions, and their methods of use, where the compositions comprise a prodrug, Compound KC-8, that provides controlled release of oxycodone. Such compositions can optionally provide a trypsin inhibitor that interacts with the enzyme that mediates the controlled release of oxycodone from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: The embodiments provide Compound KC-7, N-1-[(S)-2-(oxycodone-6-enol-carbonyl-methyl-amino)-2-carbonyl-sarcosine-ethyl amine]-arginine-glycine-acetate, or acceptable salts, solvates, and hydrates thereof. The present disclosure also provides compositions, and their methods of use, where the \compositions comprise a prodrug, Compound KC-7, that provides controlled release of oxycodone. Such compositions can optionally provide a trypsin inhibitor that interacts with the enzyme that mediates the controlled release of oxycodone from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: The embodiments provide Compound PC-5, [2-((S)-2-malonylamino-6-amino-hexanoyl amino)-ethyl]-ethyl-carbamic acid hydromorphone ester, or acceptable salts, solvates, and hydrates thereof. The present disclosure also provides pharmaceutical compositions, and their methods of use, where the pharmaceutical compositions comprise a prodrug, Compound PC-5, that provides enzymatically-controlled release of hydromorphone, and, optionally, a trypsin inhibitor that interacts with the enzyme that mediates the enzymatically-controlled release of hydromorphone from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: The present disclosure provides compositions, and their methods of use, where the compositions comprise a ketone-modified opioid drug, wherein the drug comprises a ketone-modified opioid and a substituent on the opioid that mediates retention of the drug in the peripheral nervous system as opposed to the central nervous system following ingestion by a subject.

Abstract: Pharmaceutical compositions and their methods of use are provided, where the pharmaceutical compositions comprise an amphetamine prodrug that provides enzymatically-controlled release of amphetamine or an amphetamine analog. The composition can further comprise an enzyme inhibitor that interacts with the enzyme(s) that mediates the enzymatically-controlled release of amphetamine or the amphetamine analog from the amphetamine prodrug so as to attenuate enzymatic cleavage of the amphetamine prodrug.

Abstract: The embodiments provide prodrug compounds of Formulae I-XV. The present disclosure also provides compositions, and their methods of use, where the compositions comprise a prodrug compound of Formulae I-XV that provides controlled release of an opioid. Such compositions can optionally provide a trypsin inhibitor that interacts with the enzyme that mediates the controlled release of an opioid from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: A method of providing a patient with controlled release of ketone-containing opioid using a prodrug capable, upon enzymatic activation and intramolecular cyclization, of releasing the ketone-containing opioid is disclosed. The disclosure also provides such prodrug compounds and pharmaceutical compositions comprising such compounds. Such pharmaceutical compositions can optionally include an enzyme inhibitor that interacts with the enzyme(s) to mediate the enzymatically-controlled release of the ketone-containing opioid from the prodrug so as to modify enzymatic cleavage of the prodrug. Also included are methods to use such compounds and pharmaceutical compositions.

Abstract: The embodiments provide Compound KC-8, N-1-[3-(oxycodone-6-enol-carbonyl-methyl-amino)-2,2-dimethyl-propylamine]-arginine-glycine-malonic acid, or acceptable salts, solvates, and hydrates thereof. The present disclosure also provides compositions, and their methods of use, where the compositions comprise a prodrug, Compound KC-8, that provides controlled release of oxycodone. Such compositions can optionally provide a trypsin inhibitor that interacts with the enzyme that mediates the controlled release of oxycodone from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: The embodiments provide Compound KC-7, N-1-[(S)-2-(oxycodone-6-enol-carbonyl-methyl-amino)-2-carbonyl-sarcosine-ethyl amine]-arginine-glycine-acetate, or acceptable salts, solvates, and hydrates thereof. The present disclosure also provides compositions, and their methods of use, where the \compositions comprise a prodrug, Compound KC-7, that provides controlled release of oxycodone. Such compositions can optionally provide a trypsin inhibitor that interacts with the enzyme that mediates the controlled release of oxycodone from the prodrug so as to attenuate enzymatic cleavage of the prodrug.

Abstract: Pharmaceutical compositions and their methods of use are provided, where the pharmaceutical compositions comprise an opioid prodrug that provides enzymatically-controlled release of an opioid, and an enzyme inhibitor that interacts with the enzyme(s) that mediates the enzymatically-controlled release of the opioid from the opioid prodrug so as to attenuate enzymatic cleavage of the opioid prodrug.

Abstract: Pharmaceutical compositions and their methods of use are provided, where the pharmaceutical compositions comprise a phenol-modified opioid prodrug that provides enzymatically-controlled release of a phenolic opioid, and an enzyme inhibitor that interacts with the enzyme(s) that mediates the enzymatically-controlled release of the phenolic opioid from the phenol-modified opioid prodrug so as to modify enzymatic cleavage of the phenol-modified opioid prodrug.

Abstract: The present disclosure provides pharmaceutical compositions, and their methods of use, where the pharmaceutical compositions comprise a prodrug that provides enzymatically-controlled release of a drug and an enzyme inhibitor that interacts with the enzyme(s) that mediates the enzymatically-controlled release of the drug from the prodrug so as to attenuate enzymatic cleavage of the prodrug. The disclosure provides pharmaceutical compositions which comprise an enzyme inhibitor and a prodrug that contains an enzyme-cleavable moiety that, when cleaved, facilitates release of the drug.