Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ISRCTN80037348) titled 'Cellulose membrane dressing for hard-to-heal venous leg ulcers' on Dec. 30, 2025.

Study Type: Interventional

Study Design: Allocation: Randomized controlled trial Masking: Open (masking not used) Control: Active Assignment: Parallel Purpose: Treatment

Primary Sponsor: Jan Dlugosz University in Czestochowa

Condition: Chronic venous leg ulcers (VLU) Skin and Connective Tissue Diseases

Intervention: Arm 1 (Intervention): Bacterial cellulose membrane dressing (Bioprocess(R) Biofil, Curitiba, Brazil) applied to the ulcer after saline irrigation, extending ~1 cm beyond wound margins, covered with sterile gauze co...