Method of drug delivery and coated oral dosage forms for use in the method
AssigneePhillip Peatey & Gunter Pauli
InventorShintaro Tashiro
Life of this patent
Estimating the term…
Abstract
A coating for a drug wherein said coating is formed from seaweed and/or kelp, the seaweed and/or kelp being of a type which is impervious to gastric acidity but denaturable by alkali found in the intestines. Suitably, the coating comprises a capsule which also incorporates a binder or the coating may comprise barium sulfate or other acid-resistant bulking agents.
Claims19
An oral dosage form containing a drug for drug delivery incorporating a coating which comprises raw seaweed and/or kelp that contains absorbed water, and from which excess water has been removed, to form a film or liquid, which coating is impervious to gastric acidity but denaturable by alkali found in the intestines.
A method of drug delivery which includes the steps of:
- (i) coating a drug with raw seaweed and/or kelp which seaweed and/or kelp contains absorbed water, and from which seaweed and/or kelp excess water has been removed, to produce a film or liquid that is impervious to gastric acidity but denaturable by alkali found in the intestines;
- and
- (ii) administering the coated drug formed in step (i) to a subject orally.
An oral dosage form containing a drug for drug delivery incorporating a coating comprising raw seaweed and/or kelp containing absorbed water, and from which excess water has been removed to produce a film or liquid, which seaweed and/or kelp is selected from the group consisting of:
- (i) a preparation of the genus laminaria known as "konbu" or "kombu" in Japanese,
- (ii) a seaweed of the variety undaria pinnatifada also known as "wakame" in Japanese,
- (iii) shiraita kombu, known in Japan as "white board kelp", and
- (iv) a family of kelps known as macrosystis or sarophycus.
Dependencies are inferred from the claim text.