Study to Evaluate the Performance of AQUACEL® Extra™ in Venous Leg Ulcers

Inclusion Criteria: * Subjects over 18 years, willing and able to provide written informed consent. * Subjects who have an ankle to brachial pressure index (ABPI) of 0.8 or greater * Subjects who have a venous leg ulcer (i.e. CEAP classification of C6 1) with duration less than 24 months * Subjects whose ulcer is no smaller than 2cms in any one direction * Subjects whose ulcer is no greater than 11cm in any one direction (measured by longest length and widest width) * Subjects' whose index leg ulcer has a moderate to heavy level of exudate. * Subjects whose index (study) leg is currently being treated with compression therapy and whose leg oedema is under control * Subjects who are willing and able to comply with the requirements of the clinical investigation plan in relation to the dressing/compression regime and the ability to attend dressing changes as required. Exclusion Criteria: * Subjects with a history of skin sensitivity to any of the components of the study dressings (AQUACEL® Extra™, AQUACEL®, \& DuoDERM™ Extra Thin) * Subjects whose wounds are considered clinically infected at baseline * Subjects whose leg ulcers are malignant, or who have had recent deep venous thrombosis or venous surgery within the last 3 months. * Subjects who have progressive neoplastic lesion treated by radiotherapy or chemotherapy, or on-going treatment with immunosuppressive agents * Subjects exhibiting any other medical condition which, according to the Investigator, justifies the subject's exclusion from the study * Subjects who have participated in a clinical study within the past month.