PHILADELPHIA--(BUSINESS WIRE)--Lannett Company, Inc. (NYSE AMEX: LCI) today announced that it has received approval from the U.S. Food and Drug Administration (FDA) of its Abbreviated New Drug Application (ANDA) for Diethylpropion HCl Extended Release Tablets, 75 mg. Sales of Diethylpropion HCl Extended Release Tablets, 75 mg, at Average Wholesale Price (AWP) were approximately $7.6 million on an annual basis, according to Wolters Kluwer. Diethylpropion HCl, as with most anti-obesity drugs, primarily is sold to bariatric clinics; as a result, prescriptions do not reflect the entire market. The company expects to commence shipping immediately.