deudomperidone deudomperidone deudomperidone (developmental code name cin-102; also known as deuterated domperidone) is a dopamine antagonist medication which is under development in the united states for the treatment of gastroparesis. it acts as a selective dopamine d2 and d3 receptor antagonist and has peripheral selectivity. deudomperidone is a deuterated form of domperidone, and it is suggested that deudomperidone may have improved efficacy, tolerability, and pharmacokinetics compared to domperidone. as of january 2022, deudomperidone is in phase 2 clinical trials for the treatment of gastroparesis. deudomperidoneclinical dataother namescin-102; deuterated domperidone; domperidone deuteratedidentifiers iupac name 3-propyl]-4,5,6,7-tetradeuterio-1h-benzimidazol-2-one cas number2121525-08-2 ypubchem cid153420471chemspider58794254uniihn0vib0w8wkeggd11864chemblchembl4594380chemical and physical dataformulac22h20cld4n5o2molar mass429.94 g·mol−13d model (jsmol)interactive image smiles c1=c(c(=c2c(=c1)nc(=o)n2cccn3ccc(cc3)n4c5=c(c=c(c=c5)cl)nc4=o)) inchi inchi=1s/c22h24cln5o2/c23-15-6-7-20-18(14-15)25-22(30)28(20)16-8-12-26(13-9-16)10-3-11-27-19-5-2-1-4-17(19)24-21(27)29/h1-2,4-7,14,16h,3,8-13h2,(h,24,29)(h,25,30)/i1d,2d,4d,5dkey:fgxwkszfvqustl-gyabsusnsa-n