Study of Thymosin Beta 4 in Patients With Venous Stasis Ulcers

Inclusion Criteria: * Informed Consent Form signed by the patient * Male or female, between 18 and 79 years of age * At least one venous leg ulceration stable for at least 6 weeks before enrollment * Surface area between 3 and 30 cm2 Exclusion Criteria: * Have clinical evidence of active infection on the index ulcer * Use of any experimental drug, or participation in any clinical study, within the 60 days before enrollment * Use of systemic or topical steroidal therapy, immunotherapy, or cytotoxic chemotherapy within the 60 days before enrollment * History of adverse reaction to any ingredients of the study medication * Clinically significant neurological, cardiovascular, respiratory, hepatic, renal, metabolic and dermatologic disease other than venous ulcers * Current or former malignancy * Arterial disorder resulting in ulcerated ulcers * Diabetes mellitus * Pregnant or lactating (breastfeeding) women. A serum pregnancy test will be performed at screening for female patients of childbearing potential