Safety and Efficacy Trial of HP802-247 in the Treatment of Chronic Venous Leg Ulcers
Venous Ulcer, Venous Stasis Ulcer, Ulcer
About this trial
This is an interventional treatment trial for Venous Ulcer focused on measuring Venous leg ulcer, ulcer, venous stasis, compression, venous, venous stasis ulcer, vlu, wound, varicose veins, venous insufficiency, dvt, deep vein thrombosis
Eligibility Criteria
Inclusion Criteria:
- Provide informed consent.
- Age ≥ 18 years and of either sex.
- Willing to comply with protocol instructions, including allowing all study assessments.
- Have a venous leg ulcer (VLU) between the knee and ankle (at or above the malleolus), with a surface area ≥ 2.0 cm2 and ≤ 12.0 cm2
- Venous insufficiency confirmed by duplex Doppler ultrasound examination for valvular or venous incompetence.
- Arterial supply adequacy confirmed
- Target ulcer involves a full thickness skin loss, but WITHOUT exposure of tendon, muscle, or bone.
- Target ulcer duration ≥ 6 weeks but ≤ 104 weeks (24 months).
- Acceptable state of health and nutrition
Exclusion Criteria:
- History of anaphylaxis, serum sickness, or erythema multiforme reaction to aprotinin, bovine serum albumin or bovine serum proteins, penicillin, streptomycin, amphotericin B.
- Prior diagnosis of Systemic Lupus Erythematosus with elevated anti-DNA antibody titers, Buerger's disease (thromboangiitis obliterans), current diagnosis of vasculitis, or current diagnosis of claudication.
- Therapy with another investigational agent within thirty (30) days of Screening, or during the study.
- A target ulcer of non-venous etiologies (e.g., sickle cell anemia, necrobiosis lipoidica diabeticorum, pyoderma gangrenosum, vasculopathic or vasculitic).
- Documented history of osteomyelitis at the target wound location within 6 months preceding the Screening Visit.
- Refusal of or inability to tolerate compression therapy.
- Therapy of the target ulcer with autologous skin graft, Apligraf™, or Dermagraft™ within 30 days preceding the Screening Visit.
- History of cancer in the preceding 5 years (other than carcinoma in situ of the cervix or adequately treated non-melanoma skin cancers).
- Any prior exposure to HP802-247 or its vehicle.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
HP802-247 plus compression therapy
HP802-247 Vehicle plus compression therapy
HP802-247 (fibrinogen solution & thrombin solution containing living, irradiated, growth arrested keratinocytes and fibroblasts) 260 µL (130 µL, one spray, of each solution) containing 0.5 X 10(6th) cells per mL every 14 days. Subjects randomized to HP802-247 will receive Vehicle on alternate weeks.
fibrinogen solution & thrombin solution without cells. Subjects randomized to HP802-247 Vehicle will receive Vehicle weekly.