Assessment of the Evolution of Wound Biomarkers in Venous Leg Ulcers Treated With KLOX Biophotonic System

"KLOX BioPhotonic system (composed of LumiHeal Gel and KT-L Lamp). In this study arm one treatment will be assessed - two visits per week.~Standard of Care (SOC) for wound healing will be administered during the treatment and follow-up periods (20 weeks)."

"In this study arm, two consecutive treatments during the same visit will be evaluated- two visits for the first two weeks, then one visit per week.~Standard of Care (SOC) for wound healing will be administered during the treatment and follow-up periods (20 weeks)."

Standard of Care (SOC) for wound healing will be administered during the treatment and follow-up periods (20 weeks).