PRINCETON, N.J. — Ranbaxy Labs has launched an authorized generic drug for treating dry mouth associated with an autoimmune disorder, the company said Tuesday.

The India-based generic drug maker announced the launch of cevimeline hydrochloride in the 30-mg strength under an agreement with parent company Daiichi Sankyo. The drug is used in patients with Sjogren's syndrome, which affects the moisture-producing glands.

Daiichi Sankyo markets the drug under the name Evoxac. The drug had sales of $62.4 million during the 12-month period ended in June 2011, according to IMS Health.

An authorized generic is a branded drug marketed under its generic name at a lowered price. Apotex is marketing the generic version of the drug.

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