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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Clin Pharmacol Ther. 2013 Oct 8;95(1):53–66. doi: 10.1038/clpt.2013.204

Table 2. Anti-obesity medication under development.

Target Drug Company Mechanism of action Status
Central neuropeptide signaling
Melanocortin receptor MK-0493 Merck Selective MC4R agonist, increasing MC3/4R signaling Phase II completed
RM-493 Rhythm Selective MC4R agonist, increasing MC3/4R signaling Phase II
NPY MK-0557 Merck Y5 receptor antagonist, NPY blocker Phase II completed
Velneperit (S-2367) Shionogi USA Y5 receptor antagonist, NPY blocker Phase III
Monoamine neurotransmission
Dopamine / norepinephrine / serotonin Contrave (bupropion / naltrexone) Orexigen Norepinephrine/dopamine reuptake inhibitor Phase III completed NDA submission
Intestinal peptide hormone signaling
GLP-1 Liraglutide (Victoza) Novo Nordisk GLP1R agonist, GLP-1 mimicking Phase III completed NDA submission
Byetta® (exenatide) Amylin GLP1R agonist, GLP-1 mimicking Phase III
OXM Qxyntomodulin (OXY-RPEG) Prolor GLP1R agonist, OXM mimicking Phase I recruiting
TKS1225 Thiakis / Wyeth / Pfizer GLP1R agonist, OXM mimicking Phase I
Pancreatic hormone signaling
PP PP1420 Wellcome Trust Pancreatic polypeptide analog Phase I completed
Amylin Davalintide (AC2307) Amylin Amylin mimicking Phase II
Adipose tissue hormone signaling
Leptin Metreleptin Amylin / Takeda Leptin receptor agonist Phase III recruiting
Inhibition of lipase
Pancreatic lipase Cetilistat (ATL-962) Alizyme / Takeda / Norgine Pancreatic lipase inhibitor, inhibiting intestinal lipid absorption Phase III completed