CollaGenex Periostat NDA filed for oral doxycycline to treat periodontitis.
Executive Summary
COLLAGENEX PERIOSTAT ORAL DOXYCYCLINE DENTAL NDA FILED for treatment of periodontitis on Aug. 30, the Newtown, Penn. dental therapies R&D firm announced Sept. 4. The NDA includes data on three Phase III trials of 436 patients; the 12-month dosing trials found that Periostat demonstrated both clinically and statistically significant improvements in tooth attachment levels, gum pocket depth and bleeding upon probing. The daily dosage is 20 mg doxycycline.