A Multi-center, Prospective, Randomized Study With PriMatrix and PriMatrix Ag for the Treatment of Venous Leg Ulcers

Inclusion Criteria: * Men or women ≥ 18 years of age * Ankle-brachial index (ABI) \> 0.80 * Study wound 2-64 cm2 surface area * Wound does not exhibit a greater than 50% reduction in surface area during the screening period Exclusion Criteria: * Suspected or confirmed signs/symptoms of wound infection * Hypersensitivity to bovine collagen * Body Mass Index (BMI) ≥ 45