FDA approves Lupin's generic version of Ambien CR

BALTIMORE — The Food and Drug Administration has approved a generic drug for insomnia made by Lupin, the drug maker said.

The FDA approved zolpidem tartrate extended-release tablets in the 6.25-mg and 12.5-mg strengths, a generic version of Sanofi's Ambien CR.

The branded version of the drug had sales of $366 million during the 12-month period ended in March, according to IMS Health.