Venous leg ulcers
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Male and female patients above 18 years with a single lower limb venous ulcer 2. Area of ulcer more than 4 cm2 and less than 25cm2 3. Duration of the ulcer less than 8 weeks 4. Duplex scan evidence of venous insufficiency demonstrated
Exclusion criteria
Exclusion criteria: 1. Patients who have the following comorbidities: a. Occlusive arterial disease – Ankle Brachial Pressure Index (ABPI) below 0.9 b. Uncontrolled diabetes mellitus with HbA1c > 8% or > 3 or more fasting blood glucose values in the last 6 months > 250mg/dl c. Chronic kidney disease Stage III and above d. Diagnosed chronic liver disease e. Heart failure NYHA class 3 or 4 f. Diagnosed Vasculitis g. Anemia with Hb less than 10g/dL 2. Recent (< 6 months) varicose vein surgery, laser ablation or sclerotherapy 3. Ulcers with infection/cellulitis/ osteomyelitis 4. Current smokers 5. Patients with history of allergy to phenytoin 6. Patients with epilepsy who are on oral phenytoin
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of ulcers healed at the end of 12 weeks. Healing will be assessed based on wound surface area • Serial Digital Photographs will be taken by the same observer using a dedicated high resolution digital camera using a predetermined fixed distance. • The digital images will be analyzed by ‘ImageJ’ Image processing software and the wound surface area will be measured [At recruitment and weekly for 12 weeks] | — |
Secondary
| Measure | Time frame |
|---|---|
| Number of ulcers healed by 4 weeks, 8 weeks and 12 weeks in the two groups [At recruitment and weekly for 12 weeks] Average time taken to complete healing of wounds [At recruitment and weekly for 12 weeks] Time to reach skin grafting stage for ulcers larger than 12cm2 [At recruitment and weekly for 12 weeks ] Size of wound surface area in each week [At recruitment and weekly for 12 weeks ] Degree of pain relief experienced by the patient assessed weekly using a visual analog scale [At recruitment and weekly for 12 weeks ] Identification of adverse effects in both arms [At recruitment and weekly for 12 weeks ] | — |
Countries
Sri Lanka
Contacts
Professor