FLEMINGTON, N.J.--(BUSINESS WIRE)--NovaDel Pharma Inc. (AMEX: NVD), a specialty pharmaceutical company developing oral spray formulations for a broad range of marketed treatments, announced today that the U.S. Food and Drug Administration (FDA) has accepted for filing its New Drug Application (NDA) for ZolpiMist™ (zolpidem tartrate) Oral Spray for the short-term treatment of insomnia. The company anticipates the FDA will complete its review by the end of the year consistent with PDUFA guidelines.