FIELD: medicine.
SUBSTANCE: present invention presents an osmotic dosage form including a core, containing varenicline or its pharmaceutically acceptable salt as a pharmaceutically active component . Also the dosage form contains at least one asymmetric membrane coating containing cellulose acetate as a water-insoluble polymer, and a water-soluble polymer material - hydroxypropyl cellulose which do not form essential amounts of hydrogen peroxide or formaldehyde in long-term storage.
EFFECT: development of a new drug delivery form.
3 ex
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