Proteinuria in a placebo-controlled study of basic fibroblast growth factor for intermittent claudication
2001
Intermittent claudication is the most common symptom of peripheral arterial disease (PAD), in part due to an inadequate rise in limb blood flow with exercise. Claudication causes a severe impairment in functional capacity and quality of life in over 3 million Americans. Basic fibroblast growth factor (bFGF) stimulates angiogenesis in vivo and improves limb blood flow in several animal models of hindlimb ischemia. However, the relative safety and efficacy of angiogenic molecules in the treatment of claudication has not been fully evaluated in prospective, blinded clinical trials. In this study, a randomized, double-blind, placebo-controlled, phase II trial of recombinant human bFGF for the treatment of intermittent claudication was performed. bFGF was administered weekly by intravenous infusions of 2 μg/kg for 6 sequential weeks (total dose 12 μg/kg). The primary efficacy endpoint was change in peak walking time (PWT) on a graded exercise treadmill protocol. Secondary efficacy endpoints included changes in...
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