Matrion™ Decellularized Placental Membrane in Subjects With Diabetic Foot Ulcers

Inclusion Criteria:

To be considered eligible to participate in the study, a subject must meet the inclusion criteria listed below:

1. Be male or female, between 21 and 80 years of age at the time of consent

2. For subjects with a diagnosis of Type I or Type II diabetes as defined by theAmerican Diabetes Association, have been on a stable anti-diabetic treatment for atleast 30 days before the baseline visit

3. Have a full-thickness wound of the lower extremity

4. Have a single target ulcer

5. Have a wound with an area greater than or equal to 1 cm2 and less than 25 cm2 and adepth less than or equal to 9 mm

6. Have a diabetic foot ulcer that has been present for at least 30 days with a WagnerClassification Grade 1 or 2:

• Grade 1: superficial diabetic ulcer including the full skin thickness but notunderlying tissue

• Grade 2: ulcer extension involving ligament, tendon, joint capsule, or fascia,without presence of abscess of osteomyelitis

7. Have an absence of infection based on Infectious Disease Society of America criteria

8. Have an adequate circulation to the affected lower extremity, defined as at leastone these criteria:

• Transcutaneous oxygen measurement at the dorsum of the foot greater or equal to 30 mmHg

• Ankle-brachial index (ABI) greater than 0.75

• At least biphasic Doppler arterial waveforms at the dorsalis pedis andposterior tibial arteries

9. Have the ability to comply with off-loading (if required for specific wound) anddressing change requirements

10. Have the ability to understand the requirements of the study, have provided writteninformed consent as evidenced by signature on an informed consent form (ICF)approved by an institutional review board (IRB), and agree to abide by the studyrestrictions and return to the site for the required assessments

11. Have provided written authorization for use and disclosure of protected healthinformation

12. Have a life expectancy of greater than 6 months

Exclusion Criteria:

To be eligible for entry into the study, the subject must not meet any of the exclusion criteria listed below:

1. Be pregnant or lactating

2. Have a wound that decreased in size ≥50% between the Screening and Baseline Visits

3. Have circulating hemoglobin A1c exceeding 12% within 90 days of the Screening Visit

4. Have serum creatinine concentrations of 3.0 mg/dL or greater within 30 days prior toscreening

5. Have a sensitivity to any of the following antibiotics: Lincomycin, Polymyxin BSulfate, and/or Vancomycin

6. Have a sensitivity to N-Lauroyl Sarcosinate, and/or Benzonase® or Denarase®

7. Have the wound treated with biomedical or topical growth factors within the previous 30 days before the screening visit

8. Need for any additional concomitant dressing material other than the ones approvedfor this study

9. Have clinical signs of an infection at the study ulcer site

10. Have the inability to tolerate off-loading (a surgical shoe, removable cast walkeror a total contact cast)

11. Have a known or suspected disease of the immune system

12. Have an active or untreated malignancy or active, uncontrolled connective tissuedisease

13. Had a treatment with immunosuppressive or chemotherapeutic agents, radiotherapy orsystemic corticosteroids less than 30 days before the baseline visit

14. Have presence of necrosis, purulence, or sinus tracts that cannot be removed bydebridement

15. Has undergone a revascularization procedure aimed at increasing blood flow in thetreatment target limb less than 4 weeks before the baseline visit

16. Have serum aspartate aminotransferase, alanine aminotransferase, or alkalinephosphatase levels greater than three times the normal upper limit within 30 daysprior to screening

17. Have evidence of active Charcot disease

18. Have undergone treatment with a living skin equivalent within the last 4 weeksbefore screening

19. Have ongoing evidence of peripheral vascular disease, including greater than onenonpalpable pulse on either foot

20. Have the presence of any condition that in the opinion of the investigator placesthe subject at undue risk or potentially jeopardizes the quality of the data to begenerated