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The objectives of these new ABPM studies (see NOTE 2) are to provide
important additional data on the 24-hour blood pressure profile of
naproxcinod in chronically treated osteoarthritis patients, in comparison
to commonly used Non-Steroidal Anti-Inflammatory Drugs (NSAIDs). These data
should complement the promising results of a 2-week ABPM study for
naproxcinod in healthy volunteers with hypertension (the 104 study), which
were presented at the American Heart Association (AHA) in November 2007
(see press release of November 7, 2007). They will also complement the
Office Blood Pressure Measurements (OBPMs) being collected in each of the
pivotal phase 3 osteoarthritis studies (including the completed 301 study
and the ongoing 302 and 303 studies -- for full details see the financial
results press release issued today).
Design of the 111 and 112 ABPM studies
-- The 111 study is a 12-week, phase 1, double-blind, parallel group,
exploratory trial, where approximately 120 patients will be enrolled
at around 30 clinical sites in the United States. Patients will have a
minimum age of 40 and be diagnosed with controlled essential
hypertension and osteoarthritis, with at least one hip or knee
involved. After a one week screening period, patients will be
randomized to one of two groups, which will receive increasing doses
of either naproxcinod or naproxen at three week intervals. 24-hour
blood pressure monitoring will be conducted at baseline and at the end
of each three-week dose escalation, using an ABPM device (see NOTE 2).
-- The 112 study is a 16-week, phase 1, double-blind, parallel group,
exploratory trial, where approximately 300 patients will be recruited
at around 60 clinical sites in the
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