Sustanined-release pharmaceutical composition for lung administration
OwnerAkira Yamamoto, Keigo Yamadainventors
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Abstract
The present invention provides a sustained-release pharmaceutical composition containing a pharmacologically active substance, the pharmaceutical composition being able to control the pulmonary absorption of the pharmacologically active substance and produce prolonged pharmacological effects when administered via the pulmonary route. The invention provides a pharmaceutical composition containing carrageenan and a pharmacologically active substance that can be administered via the lungs, a production method and use thereof.
Claims15
A sustained-release pharmaceutical composition for pulmonary administration comprising carrageenan and a pharmacologically active substance that can be administered via the lungs.
A process for preparing a sustained release pharmaceutical composition in the form of a powder for pulmonary administration, the process comprising drying an aqueous solution or aqueous dispersion containing a pharmacologically active substance that can be administered via the lungs and carrageenan, followed by pulverization, or comprising spray drying the solution or dispersion.
A method for administering to a patient a pharmacologically active substance that can be administered via the lungs, the method comprising administering an effective amount of a pharmacologically active substance in combination with carrageenan to the patient via the pulmonary route.
A method for sustainedly releasing a pharmacologically active substance in the lungs, comprising administering via the lungs an effective amount of a pharmaceutical composition containing the pharmacologically active substance and carrageenan.
15-16. (canceled)
Dependencies are inferred from the claim text.