Abstract: The present disclosure relates to peptide having a sequence comprising: (SEQ?ID?NO:?1) Z1X1X2X3X4X5X6X7X8X9X10X11X12-NH2, and to their isomers, pharmaceutically acceptable salts, or prodrugs thereof, methods of use, and methods for their preparation. The peptides disclosed herein are useful for modulating orexin receptor activity and may be used in the treatment of disorders in which orexin receptor activity is implicated, such as narcolepsy, a hypersomnia disorder, a neurodegenerative disorder, a symptom of a rare genetic disorder, a mental health disorder, a metabolic syndrome, osteoporosis, cardiac failure, coma, or a complication in emergence from anaesthesia.

Abstract: The invention described herein relates to compounds of Formula (1b): or a salt thereof, wherein R1, R1a, R2, R3 and R5 are defined herein, and their use in the treatment of SARS-CoV-2 and related viruses and disorders associated with SARS-CoV-2.

Abstract: The disclosures herein relate to compounds of Formula (1?): or a salt thereof, wherein A, Q, X, Z, L, R2, R3 and R9 are defined herein, and their use in the treatment of SARS-CoV-2 and related viruses and disorders associated with SARS-CoV-2: Mpro.

Abstract: The disclosures herein relate to novel compounds of Formula (1): (1) and salts thereof, wherein R1, Q, X, Y and Z are defined herein, and their use in treating, preventing, ameliorating, controlling or reducing the risk of disorders associated with GPR52 receptors.