Drug-resin complexes stabilized by chelating agents

Details Drug-resin complexes stabilized by chelating agents Drug-resin complexes stabilized by chelating agents

1997-04-16

1999-11-09

Kulkosky, Peter F.

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

Ion exchange resin

424 781, 424483, A61K 4732, A61K 930

Patent

active

059808829

ABSTRACT:
The invention provides a pharmaceutical composition comprising a drug-resin complex and a chelating agent in which the composition is in the form of a solid or a gel. The invention also provides a method of making such a composition and a method for improving the stability of a pharmaceutical composition.

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Packaging for Delsym.RTM. DM Controlled-Release Dextromethorphan Polystirex Suspension, Ciba Self Medication, Mississanga, Ontario, Jan. 31, 1996.

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