When the editorial board first considered an issue devoted to recent clinical trial results, clinicians had 6 FDA approved drugs to treat pulmonary arterial hypertension (PAH). We now have 7, and it seems conceivable that we might have an 8th before the end of 2009. With collaborative, international efforts, the pace of progress has quickened in the last 5 years, and indeed, a “New Day is Dawning” on treatment options for our patients.
In this issue, Bob Schilz and I wanted to provide an authoritative update on recent clinical trials and to highlight therapies that have “graduated” from