Fenproporex (Perphoxene) (N-2-Cyanoethylamphetamine) (3-(1-phenylpropan-2-ylamino)propanenitrile) (3- 1-Methyl-2-Phenylethyl)aminoropiononitrile) is a

stimulant Stimulants (also often referred to as psychostimulants or colloquially as uppers) is an overarching term that covers many drugs including those that increase activity of the central nervous system and the body, drugs that are pleasurable and inv ...

drug A drug is any chemical substance that causes a change in an organism's physiology or psychology when consumed. Drugs are typically distinguished from food and substances that provide nutritional support. Consumption of drugs can be via inhala ...

of the phenethylamine and amphetamine

chemical class Chemical classification systems attempt to classify elements or compounds according to certain chemical functional or structural properties. Whereas the structural properties are largely intrinsic, functional properties and the derived classificati ...

es that was developed in the 1960s. It is used as an

appetite suppressant An anorectic or anorexic is a drug which reduces appetite, resulting in lower food consumption, leading to weight loss. By contrast, an appetite stimulant is referred to as orexigenic. The term is (from the Greek ''ἀν-'' (an-) = "without" ...

for the treatment of

obesity Obesity is a medical condition, sometimes considered a disease, in which excess body fat has accumulated to such an extent that it may negatively affect health. People are classified as obese when their body mass index (BMI)—a person's ...

. Fenproporex produces amphetamine as a metabolite and was withdrawn in many countries following problems with abuse, but it is still prescribed in some countries. It is sometimes combined with benzodiazepines, antidepressants, and other compounds to create a version of the "rainbow diet pill". Fenproporex has never been approved by the US Food and Drug Administration (FDA) for sale in the US due to lack of efficacy and safety data. However, in March 2009, the FDA warned consumers that it has been detected as an unlabeled component of diet pills available over the Internet. Fenproporex is designated a Schedule IV controlled substance in the US pursuant to the

Controlled Substances Act The Controlled Substances Act (CSA) is the statute establishing federal U.S. drug policy under which the manufacture, importation, possession, use, and distribution of certain substances is regulated. It was passed by the 91st United States ...

. Fenproporex is on the list of substances banned by the World Anti-Doping Agency, and any sportsperson testing positive for the substance faces a ban from competition.The 2009 Prohibited List International Standard
. World Anti-Doping Agency (2009). Retrieved on 2009-08-18.

References

{{Phenethylamines Substituted amphetamines Nitriles Norepinephrine-dopamine releasing agents