Abstract: The present invention provides novel piperidinyl-containing nociceptin receptor ligand compounds and pharmaceutical compositions useful in the treatment of neurological diseases and conditions where such ligands mediate the negative effects of the condition. Such neurological diseases and conditions include acute and chronic pain, substance abuse/dependence, alcohol addiction, anxiety, depression, sleep disorders, gastrointestinal disorders, renal disorders, cardiovascular disorders and Parkinson's disease.

Abstract: Provided herein are novel and selective high affinity ?3?4 nicotinic acetycholine receptor ligands and pharmaceutical compositions thereof. In other embodiments, provided herein are methods of treatment, prevention, or amelioration of a variety of medical disorders such as, for example, drug addiction or pain using the compounds and compositions disclosed herein. In still other embodiments, provided herein are methods of selectively antagonizing receptors such as, for example, the ?3?4 nicotinic acetycholine receptor using the compounds and compositions disclosed herein.