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©2022 Stanford Medicine
Recruiting
I'm InterestedTrial ID: NCT02501811
A Phase II, Randomized, Placebo-Controlled Study of the Safety, Feasibility, & Efficacy of Autologous Mesenchymal Stem Cells & C-kit+ Cardiac Stem Cells, Alone or in Combination, Administered Transendocardially in Subjects With Ischemic HF
Professor of Medicine (Cardiovascular Medicine)
Inclusion Criteria:
1. Be ≥ 21 and <80 years of age
2. Have documented coronary artery disease (CAD) with evidence of myocardial injury, LV
dysfunction, and clinical evidence of HF
3. Have a "detectable" area of myocardial injury defined as ≥ 5% LV involvement (infarct
volume) and any subendocardial involvement by cMRI
4. Have an EF ≤ 40% by cMRI
5. Be receiving guideline-driven medical therapy for heart failure at stable and
tolerated doses for ≥ 1 month prior to consent. For beta-blockade "stable" is defined
as no greater than a 50% reduction in dose or no more than a 100% increase in dose.
6. Be a candidate for cardiac catheterization
7. Have NYHA class I, II, or III heart failure symptoms
8. If a female of childbearing potential, be willing to use one form of birth control for
the duration of the study, and undergo a pregnancy test at baseline and within 36
hours prior to injection
Exclusion Criteria:
1. Indication for standard-of-care surgery (including valve surgery, placement of
left-ventricular assist device, or imminent heart transplantation), coronary artery
bypass grafting (CABG) procedure, and/or percutaneous coronary intervention (PCI) for
the treatment of ischemic and/or valvular heart disease. Subjects who require or
undergo PCI should undergo these procedures a minimum of 3 months in advance of
randomization. Subjects who require or undergo CABG should undergo these procedures a
minimum of 4 months in advance of randomization. In addition, subjects who develop a
need for revascularization following enrollment should undergo revascularization
without delay. Indication for imminent heart transplantation is defined as a high
likelihood of transplant prior to collection of the 12 month study endpoint.
Candidates cannot be UNOS status 1A or 1B, and they must have documented low
probability of being transplanted
2. Valvular heart disease including 1) mechanical or bioprosthetic heart valve; or 2)
severe (any valve) insufficiency/regurgitation within 12 months of consent
3. Aortic stenosis with valve area ≤ 1.5 cm2
4. History of ischemic or hemorrhagic stroke within 90 days of consent
5. History of a left ventricular remodeling surgical procedure utilizing prosthetic
material
6. Presence of a pacemaker and/or implantable cardioverter-defibrillator (ICD) generator
with any of the following limitations/conditions:
- manufactured before the year 2000
- leads implanted < 6 weeks prior to consent
- non-transvenous epicardial, or abandoned leads
- subcutaneous ICDs
- leadless pacemakers
- any other condition that, in the judgment of device-trained staff, would deem an
MRI contraindicated
7. Pacemaker-dependence with an ICD (Note: pacemaker-dependent candidates without an ICD
are not excluded)
8. A cardiac resynchronization therapy (CRT) device implanted less than 3 months prior to
consent
9. Other MRI contraindications (e.g. patient body habitus incompatible with MRI)
10. An appropriate ICD firing or anti-tachycardia pacing (ATP) for ventricular
fibrillation or ventricular tachycardia within 30 days of consent
11. Ventricular tachycardia ≥ 20 consecutive beats without an ICD within 3 months of
consent, or symptomatic Mobitz II or higher degree atrioventricular block without a
functioning pacemaker within 3 months of consent
12. Presence of LV thrombus
13. Evidence of active myocarditis
14. Baseline maximal oxygen consumption (VO2 max) greater than 75% of age and gender based
predictive values
15. Baseline eGFR <35 ml/min/1.73m2
16. Blood glucose levels (HbA1c) >10%
17. Hematologic abnormality evidenced by hematocrit < 25%, white blood cell < 2,500/ul or
platelet count < 100,000/ul
18. Liver dysfunction evidenced by enzymes (AST and ALT) ˃ 3 times the upper limit of
normal (ULN)
19. Coagulopathy (INR ≥ 1.3) not due to a reversible cause (e.g., warfarin and/or Factor
Xa inhibitors). Subjects who cannot be withdrawn from anticoagulation will be
excluded.
20. HIV and/or active hepatitis B virus (HBV) or hepatitis C virus (HCV)
21. Allergy to radiographic contrast material that cannot adequately be managed by
premedication
22. Known history of anaphylactic reaction to penicillin or streptomycin
23. Received gene or cell-based therapy from any source within the previous 12 months
24. History of malignancy within 5 years (i.e., subjects with prior malignancy must be
disease free for 5 years), excluding basal cell carcinoma and cervical carcinoma in
situ which have been definitively treated
25. Condition that limits lifespan to < 1 year
26. History of drug abuse (illegal "street" drugs except marijuana, or prescription
medications not being used appropriately for a pre-existing medical condition) or
alcohol abuse (≥ 5 drinks/day for ˃ 3 months), or documented medical, occupational, or
legal problems arising from the use of alcohol or drugs within the past 24 months
27. Participation in an investigational therapeutic or device trial within 30 days of
consent
28. Cognitive or language barriers that prohibit obtaining informed consent or any study
elements
29. Pregnancy or lactation or plans to become pregnant in the next 12 months
30. Any other condition that, in the judgment of the Investigator or Sponsor, would impair
enrollment, study product administration, or follow-up
biological: Mesenchymal Stem Cells (MSC)
biological: Placebo (Plasmalyte A)
biological: c-kit+ cells
Recruiting
I'm Interested
Stanford University
School of Medicine
300 Pasteur Drive
Stanford,
CA
94305
Fouzia Khan
650-736-1410