The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 2022
Filed:
Oct. 05, 2017
Sucampo Ag, Zug, CH;
Sucampo AG, Zug, CH;
Abstract
Multilayer beads for pharmaceutical use having a drug-in-polymer layer are disclosed. The disclosed multilayer beads for pharmaceutical use have (a) a core particle; (b) an optional barrier layer coated on the surface of the core particle; (c) a drug-in-polymer layer coated on the surface of the core or the barrier layer, (d) an optional sealant layer coated on the surface of the drug-in-polymer layer; and (e) optionally one or more outer layers external to the drug-in-polymer layer or the sealant layer. The drug-in-polymer layer consists essentially of (i) a drug selected from the group consisting of a 15-keto prostaglandin drug, a 13,14-dihydro prostaglandin drug, and a 13,14-dihydro-15-keto prostaglandin drug; and (ii) a polymer selected from the group consisting of polyvinylpyrrolidone, vinylpyrrolidone-vinylacetate copolymer or a mixture thereof. The drug-in-polymer layer may be solid dispersion of the drug in the polymer. Pharmaceutical compositions comprising a plurality of multilayer beads and a pharmaceutically acceptable excipient and methods of treating a gastrointestinal disorder are also disclosed.