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:
May. 19, 2020
Filed:
May. 23, 2016
Biotie Therapies, Inc., South San Francisco, CA (US);
Thomas R. Malefyt, Carmel Valley, CA (US);
Christopher G. Salentine, San Rafael, CA (US);
Mehdi Paborji, Cupertino, CA (US);
Stephen I. Bandak, San Francisco, CA (US);
Biotie Therapies, Inc., Ardsley, NY (US);
Abstract
The present invention provides a controlled-release composition containing tozadenant, at least one cellulose ether, and one or more pharmaceutically acceptable excipients. In the composition, the tozadenant is present in an amount ranging from about 30% (w/w) to about 65% (w/w) based on the total composition weight; and the cellulose ether is present in an amount sufficient to provide: not less than about 10% and not more than about 30% tozadenant dissolution over a 2-hour test period, not less than about 55% tozadenant dissolution over a 10-hour test period, and not less than about 80% tozadenant dissolution over a 16-hour test period. Use of the composition for treatment of Parkinson's disease is also described.