Micronized dHACM vs. Saline in the Treatment of Osteoarthritis of the Knee

Inclusion Criteria:

1. Age ≥ 21 and ≤ 80 years

2. Subject has a diagnosis of osteoarthritis (OA) defined as Grade 1 to 3 on the Kellgren
Lawrence grading scale

3. Subject is willing and able provide informed consent and participate in all procedures
and follow-up evaluations necessary to complete the study

4. Subject must have a VAS pain scale greater than 45

Exclusion Criteria:

1. Subject has a diagnosis of osteoarthritis (OA) defined as Grade 4 on the Kellgren
Lawrence grading scale

2. BMI greater than 40 kg/m2

3. Subject has active infection at the injection site

4. Symptomatic OA of the contralateral knee or of either hip that is not responsive to
acetaminophen (Tylenol®) and requires other therapy.

5. Subject has rheumatoid arthritis, psoriatic arthritis, or have been diagnosed with any
other disorders that is the primary source of their knee pain, including but not
limited to: osteonecrosis, radiculopathy, bursitis, tendinitis, tumor, cancer

6. Subject has documented history of gout or pseudo-gout

7. Subject has autoimmune disease or a known history of having Acquired Immunodeficiency
Syndromes (AIDS) or HIV

8. Subject has received any of the following to the target knee:

1. Intra-articular hyaluronic acid (HA) injection within 12 weeks prior to screening

2. Steroid or platelet rich plasma (PRP) injection within 12 weeks prior to
screening

3. Has had or is planning to have major surgery or arthroscopy in the target knee
within 26 weeks of treatment

4. History of a total knee arthroplasty

9. Subject has used an investigational drug, device or biologic within 12 weeks prior to
treatment

10. Subject has a history of immunosuppressive or chemotherapy in the last 5 years

11. Subject has had prior radiation at the site

12. Subject is currently taking anticoagulant therapy (excluding Plavix or Aspirin)

13. Subject is pregnant or plans to become pregnant within 365 days of treatment

14. Subject has any significant medical condition that, in the opinion of the
Investigator, would interfere with protocol evaluation and participation

15. Subject is a worker's compensation patient

16. Subject is a prisoner