Evatanepag, also known as CP-533536, is an EP2 receptor selective prostaglandin E2 (PGE2) agonist that induces local bone formation. CP-533536 demonstrated the ability to heal fractures when administered locally as a single dose in rat models of fracture healing.
Cipralisant is a selective histamine H3 receptor antagonist in vivo, and an agonist in vitro (pKi: 9.9 for histamine H3 receptor; Ki: 0.47 nM for rat histamine H3 receptor). It has the potential for the treatment of attention-deficit hyperactivity disorde