Efficacy, Tolerability and Safety of Intramuscular Injections of PLX PAD for the Treatment of Subjects With Critical Limb Ischemia (CLI) With Minor Tissue Loss Who Are Unsuitable for Revascularization



Status:Recruiting
Conditions:Peripheral Vascular Disease
Therapuetic Areas:Cardiology / Vascular Diseases
Healthy:No
Age Range:45 - 99
Updated:3/21/2019
Start Date:May 22, 2017
End Date:May 2020

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This will be a randomized, placebo-controlled, parallel group, multicenter, Phase III
study.The study aims to evaluate the Efficacy, Tolerability and Safety of Intramuscular
Injections of PLX PAD for the Treatment of Subjects with Critical Limb Ischemia (CLI) with
Minor Tissue Loss (Rutherford Category 5) who are Unsuitable for Revascularization.


Inclusion Criteria:

1. Adult male or female subjects between ages 45-99 years of age.

2. CLI, with minor tissue loss up to the ankle level (Rutherford Category 5)

3. Ankle pressure (AP) ≤70 mmHg or TP ≤50 mmHg in the index leg. (If a subject has ABI
>1.4 and TP is not measureable, inclusion may be based on TcPO2 ≤30 mmHg)

4. Subject unsuitable for revascularization (by any method) in the index leg.

5. Ischemic lesions in the index leg stable for at least 2 weeks.

6. Ischemic ulcers in the index leg without tendon or bone exposure (unless secondary to
a minor amputation).

7. Under treatment for cardiovascular risk factors: hypertension, hyperlipidemia,
diabetes, in accordance with applicable guidelines. Concomitant therapy with a statin
and an anti-platelet agent for at least 2 weeks prior to randomization.

8. Women of childbearing potential must have a negative serum pregnancy test at screening
and must be willing to use at least one highly effective birth control method
throughout the study.

9. Signed informed consent form.

Exclusion Criteria:

1. Non-atherosclerotic PAD (e.g. Buerger's disease).

2. CLI with major tissue loss (Rutherford Category 6) in either leg.

3. Evidence of active infection (e.g., cellulitis, osteomyelitis).

4. Subject having undergone surgical revascularization or major amputation less than 1
month prior to screening, or endovascular revascularization or minor amputation less
than 2 weeks prior to screening.

5. Planned or potential need for major/minor amputation or any revascularization within 1
month of study entry upon investigator's judgment.

6. Aorto-iliac stenosis or common femoral artery stenosis ≥70%, or otherwise suspicion of
inadequate inflow to the leg.

7. Life expectancy of less than 6 months.

8. Stroke or acute myocardial infarction/unstable angina within 3 months prior to
screening.

9. Severe congestive heart failure symptoms (New York Heart Association [NYHA] Stage IV).

10. Uncontrolled severe hypertension.

11. Diabetes mellitus with HbA1c >10%.

12. Current or history of proliferative retinopathy.

13. Known Hepatitis B virus or Hepatitis C virus or acquired immunodeficiency syndrome
(AIDS) infections.

14. Subjects with international normalized ratio (INR) >2.5.

15. Subject on renal replacement therapy or with eGFR <15 mL/min/1.73m2.

16. Subject is currently enrolled in, or has not yet completed a period of at least 30
days since ending another investigational device or drug trial(s), unless in long-term
follow-up phase.

17. Use of hyperbaric oxygen therapy, prostanoids, spinal cord stimulation, lumbar
sympathectomy, wound dressing containing cells or growth factors, or topical platelet
derived growth factor.

18. Known allergies to any of the following: DMSO, human serum albumin, bovine serum
albumin.

19. History of allergic/hypersensitivity reaction to any substance having required
hospitalization and/or treatment with IV steroids/epinephrine.

20. Pulmonary disease requiring supplemental oxygen treatment on a daily basis.

21. Active malignancy or history of malignancy within 5 years prior to study entry.

22. In the opinion of the investigator, the subject is unsuitable for participating in the
study.

23. Inability to understand and provide an informed consent.
We found this trial at
10
sites
New York, New York
Phone: 212-523-5915
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Austin, Texas 78756
Principal Investigator: Roger Gammon, MD
Phone: 512-206-3600
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Boston, Massachusetts 02111
Principal Investigator: Mark Iafrati, MD
Phone: 617-636-5019
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Dallas, Texas 75390
Phone: 214-786-5401
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Durham, North Carolina 27710
Principal Investigator: William Schuyler Jones, Dr
Phone: 919-681-4624
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Graz,
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Los Angeles, California 90211
Principal Investigator: Suhail Dohad, Dr
Phone: 310-248-8245
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Teaneck, New Jersey 07666
Phone: 201-530-7967
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Worcester, Massachusetts 01655
Principal Investigator: Andres Schanzer, Dr.
Phone: 508-856-5599
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