Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Prospective, Randomized, Double-blinded, Active-control and Unblinded Standard of Care (SOC) Controlled Study to Determine the Efficacy and Safety of Targeted Intramyocardial Delivery of Autologous CD34+ Cells (Auto-CD34+ Cells) for Increasing Exercise Capacity During Standardized Exercise Testing in Subjects With Refractory Angina Pectoris and Chronic Myocardial Ischemia
Brief Summary: The purpose of the study is to assess the safety and efficacy of targeted intramyocardial delivery of Auto-CD34+ cells for increasing exercise time and amelioration of anginal symptoms in subjects with refractory angina and chronic myocardial ischemia.


Options:
A: Main Inclusion Criteria:

* Male or female participants who are 21 to 80 years of age at the time of signing the informed consent.
* Participants with Canadian Cardiovascular Society (CCS) class III or IV chronic refractory angina.
* Participants without control of their angina symptoms in spite of maximal tolerated doses of anti-angina drugs. Participants must be on optimal therapy for their angina and must have been on a stable anti-anginal medication regimen for at least 4 weeks before signing the informed consent form.
* Participants with obstructive coronary disease unsuitable for conventional revascularization due to unsuitable anatomy or comorbidity as determined at the site and confirmed by an independent adjudication committee.
* Participants must have evidence of inducible myocardial ischemia.
* Participants must experience angina episodes.
* Participants must be able to complete 2 exercise tolerance tests on the treadmill within 3 weeks of randomization.
* If female of childbearing potential, subject must not be pregnant and agree to employ adequate birth control measures for the duration of the study.

Main Exclusion Criteria:

* Cardiovascular hospitalization within 60 days prior to potential study enrollment. Participant has had a successful or partially successful coronary artery bypass graft (CABG) within 6 months or PCTA within 60 days of potential study enrollment.
* Participant has had a placement of a bi-ventricular pacemaker for cardiac resynchronization therapy (CRT) for heart failure within 180 days of potential study enrollment.
* Participant has documented stroke or transient ischemic attacks (TIAs) within 60 days of potential study enrollment.
* Participant has a history of moderate to severe aortic stenosis; or severe aortic insufficiency; or severe mitral stenosis; or severe mitral insufficiency.
* Participant has a prosthetic aortic valve or a mechanical mitral valve replacement.
* Participant has severe co-morbidity associated with a reduction in life expectancy to less than 3 years as a result of chronic medical illnesses.
* Participants with cancer are excluded with the following exceptions:

  * Subjects with in-situ non-melanoma skin cancer or in-situ cervical cancer are not excluded.
  * Participants that have been cancer free for \>= 5 years as determined by their oncologist are not excluded. Subjects with a prior history of stem cell transplant for cancer are excluded no matter how long they have been cancer-free.
* Participants with a history of leukemia or other bone marrow disease.
* Participant has sickle cell disease or sickle cell trait.
* Participants with proliferative retinopathy.
* Participants with Hb A1c \> 9%.
* Participant has platelet counts \>10% above the upper limit of normal (ULN) or platelet counts \< 70,000.
* Participant has a hematocrit \< 30% prior to potential study enrollment.
* Participant has a serum creatinine \> 2.5 mg/dL prior to potential study enrollment.
* Participant tests positive for HIV, hepatitis B, or hepatitis C, or is on chronic immunosuppressive medications, or has had a previous stem cell transplant.
* Participant has a known contraindication to Neupogen (filgrastim) or G-CSF.
* Participant was previously enrolled in an active treatment group of cell therapy trials for cardiovascular disease including any phase of CD34+ stem cell trials.
* Left ventricular (LV) thickness of \< 7 mm in the target areas of injection as measured by during a 2-D echocardiogram (ECHO).
* Atrial fibrillation, atrial flutter, or other uncontrolled arrhythmias that would prohibit accurate electromechanical mapping and NOGA-guided intramyocardial injection.
* Bleeding diathesis with an INR \> 1.8 when not receiving anti-thrombotic therapy.
* Hepatic dysfunction as evidenced by elevated AST or ALT levels \> 2.5 x ULN.
* Any previous transplant requiring immunosuppression.
* Disease state requiring chronic immunosuppression.
B: Inclusion Criteria:

* Patients \>18 years of age with significant coronary heart disease not amenable to revascularization.
* Left ventricular dysfunction (LVEF) less than or equal to 45%, measured by echocardiogram; limiting angina (Class II to IV); and/or congestive heart failure (CHF), NYHA class II to III
* Receiving maximal medical therapy, defined as a medical regimen that includes the maximal tolerated dose of at least two antiangina medications, such as beta-blockers, nitrates, or calcium-channel blockers
* Presence of a defect, as identified by single photon emission computed tomography (SPECT) isotope protocol, or viability, as identified by NOGA electromechanical cardiac mapping system
* Coronary artery disease not well suited to any other type of revascularization procedure in the target region of the ventricle, as determined by a cardiovascular surgeon and interventional cardiologist who are not investigators in the trial
* Hemodynamic stability, as defined by systolic blood pressure of at least 80 mm Hg without intravenous pressors or support devices
* Females of childbearing potential must be willing to use two forms of birth control for the duration of the study

Exclusion Criteria:

* Atrial fibrillation or flutter without a pacemaker that guarantees a stable heart rate
* Unstable angina
* Left ventricular (LV) thrombus, as documented by echocardiography or LV angiography
* A vascular anatomy that precludes cardiac catheterization
* Severe valvular disease or mechanical aortic valve that precludes safe entry of the catheter into the left ventricle
* Pregnant or lactating
* Platelet count less than 100,000 per mm3
* White blood cell count less than 2,000 per mm3
* Revascularization within 30 days of consent
* Transient ischemic attack or stroke within 60 days of study consent
* Implantable cardioverter-defibrillator shock within 30 days of baseline consent, and within 30 days of randomization
* Presence of ventricular tachycardia lasting 30 seconds or more on 24-hour Holter monitor or electrocardiogram (ECG) performed during screening period
* Bleeding diathesis, defined as an international normalized ratio of at least 2.0 in the absence of warfarin therapy
* A history of malignancy in the last 5 years excluding basal cell carcinoma, that has been surgically removed, with proof of surgical clean margins
* Has a known history of HIV, has active hepatitis B or active hepatitis C
* Any condition requiring immunosuppressive medication
* High-risk acute coronary syndrome (ACS) or a myocardial infarction in the month prior to consent
* A left ventricular wall thickness of \<8 mm (by echocardiogram) of the infero-lateral wall at the target site for cell injection.
* Inability to walk on a treadmill, except for class IV angina patients, who will be evaluated separately
* Enrolled in an investigational device or drug study within the previous 30 days
* Hepatic dysfunction, as defined as aspartate aminotransferase (AST) or alanine aminotransferase (ALT) more than 1.5 times the upper limit of normal range prior to study entry
* Chronic renal insufficiency, defined as a serum creatinine level greater than 2.5 mg/dL or requiring dialysis
* Any other condition that in the judgment of the investigator would be a contraindication to enrollment or follow-up
C: Inclusion Criteria:

* Written informed consent
* Males and females aged at least 18 years
* At least a 3-month history of chronic stable angina triggered by physical effort and relieved by rest and/or sublingual nitroglycerin
* CAD documented by one or more of the following:

  1. Angiographic evidence of ≥ 50% stenosis of one or more major coronary arteries
  2. History of myocardial infarction (MI) documented by positive myocardial muscle creatine kinase (CK-MB) enzymes, troponins, or electrocardiogram (ECG) changes
  3. Cardiac imaging study or exercise test diagnostic for CAD
* Treatment with up to 2 antianginal therapies at a stable dose for at least 2 weeks prior to the Qualifying Period.
* Documented history of T2DM
* Willing to maintain stable tobacco usage habits throughout the study
* Willing to maintain stable activity levels throughout the study
* Females of childbearing potential must agree to utilize highly effective contraception methods from Screening throughout the duration of study treatment and for 14 days following the last dose of study drug.

Exclusion Criteria:

* New York Heart Association (NYHA) Class III and IV
* Acute coronary syndrome in the prior 2 months or planned coronary revascularization during the study period
* Stroke or transient ischemic attack within 6 months prior to Screening
* QTc \> 500 milliseconds
* Uncontrolled hypertension (seated systolic blood pressure \> 180 mmHg or diastolic blood pressure \> 110 mmHg)
* Systolic blood pressure \< 100 mmHg
* Clinically significant hepatic impairment
* Prior treatment with ranolazine, or known hypersensitivity or intolerance to ranolazine
* Females who are breastfeeding
* Positive serum pregnancy test
* Participation in another investigational drug or device study within 1 month prior to Screening
* Current treatment with trimetazidine, ivabradine, or nicorandil. Subjects will need to discontinue these medications 2 weeks prior to the Qualifying Period.
* Current treatment with potent inhibitors of cytochrome (CYP)3A (eg, ketoconazole, itraconazole, clarithromycin, nefazodone, nelfinavir, ritonavir, indinavir, and saquinavir)
* Current treatment with CYP3A and P glycoprotein (Pgp) inducers (eg, rifampicin/rifampin, carbamazepine, and St. John's wort \[Hypericum perforatum\])
* Current treatment with CYP3A4 substrates with a narrow therapeutic range (eg, cyclosporine, tacrolimus, and sirolimus)
* Subjects taking simvastatin who cannot reduce the dose to 20 mg once daily or who cannot switch to another statin
* Current treatment with Class I or III antiarrhythmic medications
* History of illicit drug use or alcohol abuse within 1 year of Screening
* Any other conditions that, in the opinion of the investigator, are likely to prevent compliance with the study protocol or pose a safety concern if the subject participates in the study
D: Inclusion Criteria:

* patient included in one of the registered cell-based cardiac therapy of the participating center

Exclusion Criteria:

* none

Answer: A