FIELD: medicine, pharmaceutics.
SUBSTANCE: what is offered is a dosage form containing a drug substance for treating insomnia, containing a layer or a matrix-surrounding coating wherein a drug substance is dissolved or dispersed with said drug substance released after a time of delay (at least 1 hour after the introduction) which is not substantially accompanied by the drug substance release, and the coating material contains less than 5 % of substances which possess an ability to swell or gelate, and the matrix contains an release control agent.
EFFECT: invention provides exactly establishing and observing the time of delay before the active substance release that enables the patient to work before sleeping, being in the non-sleepy state.
20 cl, 3 dwg, 8 tbl, 6 ex
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