Abstract: Crystalline (3Z,5S)-5-(hydroxymethyl)-1-[(2?-methyl-1,1-biphenyl-4-yl) carbonyl]pyrrolidin-3-one O-methyloxime is disclosed. A pharmaceutical composition containing the crystalline compound and methods for treating conditions related to the OT-R activity, such as preterm labor, and tor increasing embryo implantation rate in a mammal undergoing embryo transfer, comprising administering the crystalline compound are also disclosed.

Abstract: The present invention relates to solid oral formulations comprising a compound of formula (3Z,5S)-5-(hydroxymethyl)-1-[(2?-methyl-1,1?-biphenyl-4-yl)carbonyl]pyrrolidin-3-one-O-methyloxime, and/or an active metabolite thereof, and the use of said formulations in the treatment and/or prevention of preterm labor, premature birth, dysmenorrhea and embryo implantation failure due to uterine contractions. The present invention is furthermore related to processes for their preparation.

Abstract: The present invention relates to a compound of formula (3Z,5S)-5-(hydroxymethyl)-1-[(2?-methyl-1,1?-biphenyl-4-yl)carbonyl]pyrrolidin-3-one O-methy19243-yloxime, and/or an active metabolite thereof having antagonist action at the oxytocin receptor and/or vasopressin V1a receptor, to processes for their preparation, pharmaceutical compositions containing them and their use.