All of the following agents are used in obesity EXCEPT :
Drugs used for the treatment of obesity are:

Fenfluramine
Sibutramine (serotonin and NA reuptake inhibitor)
Sucrose polyester (olestra)
β3 agonists
Dexfenfluramine
Orlistat (a Pancreatic lipase inhibitor)
Neuropeptide Y antagonists
Orlistat
Sibutramine
Olestra
Neuropeptide Y analogues