VergenixTM Flowable Gel in Patients With Lower Limb Ulcers

Patient is 18 years of age or older.

2. Patient has one of the following difficult-to-treat chronic ulcers in the

lower limb:

2.1. Neuropathic lower limb ulcer

2.2. Venous lower limb ulcer

2.3. Post traumatic lower limb ulcer

2.4. Post operative lower limb ulcer

3. In case of Neuropathic foot grade according to University of Texas

Classification 1A

4. Wound area measurement ranging between 1-20cm2.

5. Ulcer defined as grade ≥E on the granulometer scale.

6. Willing to adhere to the proper off-loading device (off loading cast,

healing shoe) according to investigator recommendation.

7. Female patients must have a negative serum pregnancy test at

screening and be willing and able to use a medically acceptable

method of birth control or declare that they are abstaining from sexual

intercourse, from the screening visit through the study termination

visit or be surgically sterile (bilateral tubal ligation, bilateral

oophorectomy, or hysterectomy) or post-menopausal. Postmenopausal

women are defined as women with menstruation cessation for

12 consecutive months prior to signing of the informed consent form.

8. Ability and willingness to understand and comply with study

procedures and to give written informed consent prior to enrollment in

the study.

Exclusion Criteria:

1. Acute ulcer
2. Multiple Ulcers on the lower limb.

3. Clinical evidence of infection in the soft tissue, joint and/or bone

   (osteomyelitis) as presented in the physical examination.

4. The wound is penetrating into deep structures and involves bone,

   tendon or joint.

5. Wound has necrotic tissue.
6. Wound with sinus tracts.
7. HbA1c>12.

8. Patients with any other skin disorder unrelated to the ulcer that is

   presented in adjacent to the target wound.

9. Clinically significant arterial vascular disease with Ankle-Brachial Index (ABI) index \<0.45

   if the peripheral pulse is not palpable, or flatted Pulse Volume Recording (PVR) in case of non

   palpable arteries.

10. Patient is receiving, or has received within one month prior to

    enrollment any treatment known to impair wound healing, including

    but not limited to:, immunosuppressive drugs, cytotoxic agents,

    radiation therapy and chemotherapy.

11. Has active malignant disease of any kind. A patient, who has had a

    malignant disease in the past, was treated and is currently disease-free

    for at least 5 years, may be considered for study entry.

12. Patients who present with significant metabolic co-morbidity that

    would preclude wound healing such as end stage renal failure, dialysis

    or severe liver dysfunction.

13. Clinically significant abnormalities in hematology and blood

    chemistry lab tests at screening that in the opinion of the investigator

    might interfere with the patient's safety or participation in the study.

14. Known positive HIV.

15. Known history of a significant medical disorder, which in the

    investigator's judgment contraindicates the patient's participation.

16. Known hypersensitivity and/or allergy to collagen.
17. Drug or alcohol abuse (by history).
18. Patients participating in any other clinical trials.
19. Patients with inability to communicate well with the investigators and

staff (i.e., language problem, poor mental development or impaired

cerebral function).