Lunesta Has "Encouraging" Debut, Sepracor Says

For the week ending April 15, the insomnia agent brought in 21,381 new scripts, resulting in a 5.1% market share, Sepracor said. "It looks like…the principal new Rxs are coming from [Sanofi-Aventis'] Ambien," the company said. Sepracor is planning to pursue labeling adaptations to increase Lunesta's market potential.