Study of the Safety and Effectiveness of Esmirtazapine in Participants With Chronic Primary Insomnia (P05706)

Esmirtazapine maleate was provided as tablets for oral use containing either 1.5, 3.0, or 4.5 mg of active compound. In addition, tablets contain the following excipients: hydroxypropyl cellulose, maize starch (United States Pharmacopeia \[USP\] name: corn starch), magnesium stearate, and lactose monohydrate. Tablets were administered orally once daily about 30 minutes prior to bedtime.

Placebo tablets containing the following excipients: hydroxypropyl cellulose, maize starch (USP name: corn starch), magnesium stearate, and lactose monohydrate. Tablets were administered orally once daily about 30 minutes prior to bedtime.