A dosage form is disclosed comprising a coat that surrounds a drug. The coat comprises a subcoat and an overcoat thermally annealed to provide a single unit coat around the drug.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a division of U.S. patent appln. Ser. No. 07/187,621 filed Apr. 28, 1988, U.S. Pat. No. 4,931,285 which appln. is incorporated herein by reference and benefit is claimed of its filing date. These applications are assigned of record to ALZA Corporation of Palo Alto, Calif.
A dosage form is disclosed comprising a coat that surrounds a drug. The coat comprises a subcoat and an overcoat thermally annealed to provide a single unit coat around the drug.
Controlled release of active agents from sustained release push delivery devices having high drug loading are described wherein residual drug content in the device is minimized by the utilization of a flow-promoting layer between a semi-permeable wall and drug layer comprising the device.
Controlled release of active agents from sustained release push delivery devices having high drug loading are described wherein residual drug content in the device is minimized by the utilization of a flow-promoting layer between a semi-permeable wall and drug layer comprising the device.
Dosage forms and methods for the controlled release of antidepressives, such as exemplified by phenoxyethyl substituted-1,2,4-triazolones, as a suspension or a slurry over a prolonged period of time are described.
Controlled release of liquid, active agent formulations is provided by dispersing porous particles containing the liquid active agent formulation in osmotic, push-layer dosage forms. The dosage forms may provide for continuous or pulsatile delivery of active agents.
