Ipamorelin is a selective growth hormone secretagogue and agonist of the ghrelin receptor that selectively stimulates the ghrelin receptor and causes growth hormone release. The potency and efficacy of ipamorelin are similar to GHRP-6 but without increase plasma levels of ACTH or cortisol. Ipamorelin appears to enter the central nervous system and to activate GRLN receptors in the spinal cord.
Ipamorelin is known to be useful in reducing the symptoms of postoperative ileus is a gastrointestinal dysfunction arising due to abdominal surgery. Symptoms include abdominal distention, vomiting, nausea, constipation and anorexia.