Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Double-Blind, Randomized, Placebo-Controlled, Parallel-Group Study of Ranolazine SR at a Dose of 1000 mg Twice a Day in Patients With Chronic Angina Who Remain Symptomatic Despite Treatment With Amlodipine 10 mg Once a Day
Brief Summary: The study will be a multi-national, double-blind, randomized, placebo-controlled, parallel group study to evaluate the effectiveness of ranolazine (1000 mg twice daily) in approximately 500 patients with chronic angina who remain symptomatic despite daily treatment with the maximum labeled dose of amlodipine (10 mg daily), a calcium channel blocker approved for the treatment of chronic angina. Eligible patients will be randomized to receive ranolazine 1000 mg or placebo twice daily, in addition to a daily dose of 10 mg of amlodipine. Participation in the study will last approximately 3 months.


Options:
A: Inclusion Criteria:

* Hospitalized with non-ST elevation acute coronary syndrome
* Ischemic symptoms (more than or equal to 5 minutes) at rest within 48 hours of study entry
* At least one additional risk factor (e.g., elevated cardiac enzymes, ST-depression, diabetes)

Exclusion Criteria:

* Persistent acute ST-segment elevation
* Successful revascularization during the qualifying hospitalization, prior to study entry
* Acute pulmonary edema, hypotension, or evidence of cardiogenic shock
* Clinically significant liver disease
* End stage kidney disease requiring dialysis
* Concomitant use of drugs known to prolong the QT interval, or any digitalis drugs
* Use at study entry of drugs that are strong inhibitors of cytochrome P450 3A4
* Pregnant or lactating women, or women of child bearing potential not using an acceptable form of birth control

Additional study entry criteria will be evaluated during initial screening.
B: Inclusion Criteria:

1. Written informed consent
2. Males and females aged 18 years and older
3. History of chronic angina defined as at least 2 episodes of anginal pain or discomfort in the chest, jaw, shoulder, back, neck, or arm that is precipitated by exertion or emotional stress, and relieved by rest or sublingual nitroglycerin, which occurred on at least 2 separate days and at least 14 days prior to PCI (in the case of staged PCI procedures, at least 14 days prior to the first PCI in the series). Participants may or may not have additional angina episodes within the 14 days prior to their first PCI in the series, as well as any time prior to Randomization.
4. PCI for any indication (ACS or non-ACS). For the purposes of stratification at randomization, ACS will be defined as hospitalization for anginal pain or discomfort within the previous 24 hours to their hospitalization with any one (or more) of the following criteria:

   i. Elevated troponin or creatinine kinase-MB (CK-MB) consistent with myocardial infarction (MI), as reported by local laboratory and measured prior to index PCI ii. Electrocardiographic changes (including transient changes) comprising new or presumably new ST segment depression ≥ 0.1 mV (≥ 1 mm), or ST segment elevation ≥ 0.1 mV (≥ 1 mm) in at least 2 contiguous leads, or new or presumably new Left Bundle Branch Block
5. Randomization within 14 days post-PCI. In the case of staged PCI procedures, randomization has to occur within 14 days of the last PCI in the series. Participants may be randomized starting on the day of PCI and anytime during the following 14 days. PCI is defined as an attempt to cross the lesion with a wire with the intention of performing revascularization.
6. Post-PCI (post the last PCI for staged procedures) evidence of incomplete revascularization defined as the presence of one or more visually estimated ≥ 50% stenoses in one or more coronary arteries with reference vessel diameter of at least 2.0 mm, whether in the target vessel or in a non-target vessel regardless of the presence or absence of coronary collaterals. In the case of a participant post-coronary artery bypass grafting (CABG), incomplete revascularization is defined as the presence of one or more visually estimated ≥ 50% stenoses in an unbypassed epicardial vessel with a reference diameter of ≥ 2.0 mm, or one or more visually estimated ≥ 50% stenoses in a bypass graft supplying an otherwise unrevascularized myocardial territory.
7. Clinically stable post-PCI. Participants randomized in-hospital on day of planned discharge or in clinic are considered stable. Participants randomized in-hospital prior to day of planned discharge must meet all of the following criteria:

   i. CK-MB \< 3 times the upper limit of normal (ULN) at least 3 hours post-PCI, or if ≥ 3 times the ULN with evidence of decreasing CK-MB (decreased by at least 20% from the prior measurement) as reported by local laboratory. If CK-MB is not available, a participant must have evidence of normal or decreasing troponin levels (by at least 20% from the prior measurement) at least 3 hours post-PCI, as reported by local laboratory.

   ii. Systolic blood pressure ≥ 90 mm Hg and not receiving pressors or inotropes iii. No current requirement for an intra-aortic balloon pump (IABP) or any left ventricular assist device iv. No current requirement for intravenous (IV) nitroglycerin
8. Ability and willingness to comply with all study procedures during the course of the study
9. Females of childbearing potential must have a negative pregnancy test at Screening (unless surgically sterile or post-menopausal) and must agree to use 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:

1. Any future planned revascularization (including staged procedures) or possible planned revascularization (ie, planned stress test to assess the imminent need for additional revascularization). Future planned stress tests for purposes of monitoring are permitted but strongly discouraged. Participants may be enrolled after the last PCI in the staged series or once a decision is made not to perform a follow up PCI, as long as Randomization occurs within 14 days from the last PCI. If a participant has had a stress test post-PCI and prior to Randomization and no further intervention is planned, the participant may be enrolled within 14 days from the last PCI.
2. Unrevascularized left main coronary artery stenosis ≥ 50%. Participants with a history of CABG to the left coronary system will be considered to have a revascularized left main if at least one graft is patent.
3. Major complication during or after the index PCI (in the case of staged PCI, the last in the series) including:

   i. Major bleeding (TIMI Bleeding classification or any bleeding requiring blood transfusion of ≥ 2 units of red blood cells) ii. Coronary perforation requiring treatment iii. Procedural complication requiring surgery (including CABG or peripheral vascular surgery)
4. Stroke within 90 days prior to Randomization, or any history of stroke with permanent major neurologic disability (eg, aphasia or significant motor dysfunction)
5. Cardiogenic shock within 90 days prior to Randomization (transient decreases in blood pressure without clinical sequelae are not considered to be cardiogenic shock)
6. New York Heart Association (NYHA) Class III or IV heart failure
7. Severe renal insufficiency as assessed by an estimated glomerular filtration rate \< 30 mL/min/1.73m2 using the 4 variable modification of diet in renal disease (MDRD) equation per local laboratory (based on the last available measurement prior to Randomization, collected within 1 month prior to the index PCI \[in the case of staged PCI, the last in the series\])
8. Liver cirrhosis
9. Use of Class Ia, Ic, or Class III antiarrhythmics, except for amiodarone
10. Current treatment with strong inhibitors of CYP3A
11. Current treatment with CYP3A4 inducers or P-gp inducers
12. Participants taking \> 20 mg simvastatin daily or \> 40 mg lovastatin daily who cannot reduce the dose to 20 mg once daily for simvastatin or 40 mg once daily for lovastatin, or who cannot switch to another statin
13. Participants taking greater than a total of 1000 mg daily of metformin who cannot reduce the dose to a maximum total of 1000 mg daily (additional anti-diabetic medications may be added as clinically indicated to allow participants to decrease their metformin dose and maintain glycemic control)
14. Previous treatment with ranolazine for \> 7 consecutive days within 30 days prior to Randomization, or known hypersensitivity or intolerance to ranolazine or to any of the excipients
15. Participation in another investigational drug or investigational device study within 30 days prior to Randomization (participation in registries is allowed)
16. Women who are pregnant or breast feeding
17. Non-coronary artery disease comorbid conditions (eg, advanced malignancy, severe aortic stenosis) which are likely to result in death within 2 years of Randomization
18. Any condition that in the opinion of the investigator would preclude compliance with the study protocol
C: Inclusion Criteria:

1. Men or women age \>18 from diverse racial/ethnic groups;
2. Competent to give informed consent;
3. Patients with chronic angina or its equivalent;
4. Coronary angiogram revealing MCD with no obstructive CAD (epicardial coronary stenosis \<50% luminal diameter stenosis);
5. Left ventricular ejection fraction \> or = 45%;
6. Objective evidence of ischemia by noninvasive methods such as exercise stress test, stress Echo, MRI, or SPECT;
7. Patients with 10% myocardial ischemia by Cardiac magnetic resonance imaging (CMRI) myocardial perfusion reserve index ≤ 2.0 or abnormal coronary reactivity testing (CFR \< 2.5, or ACH response of no dilation or constriction, determined by local site read).

Exclusion Criteria:

1. Acute coronary syndrome (defined by WHO), cardiogenic shock or requiring inotropic or intra-aortic balloon support;
2. Planned percutaneous coronary intervention or CABG or established obstructive CAD with ischemia eligible for revascularization, acute MI;
3. Prior non-cardiac illness with an estimated life expectancy \<4 years;
4. Unable to give informed consent;
5. Allergy or contra-indication to CMRI testing, including renal failure, claustrophobia, and asthma, uncontrolled moderate hypertension (sitting blood pressure \>160/95mmHg with measurements recorded on at least 2 occasions), conditions likely to influence outcomes: Severe lung, creatinine \>1.8 or CrCl ≤ 50ml/min) or hepatic disease;
6. Surgically uncorrected significant congenital or valvular heart disease and other disease likely to be fatal or require frequent hospitalization within the next six months;
7. Adherence or retention reasons;
8. Unwilling to complete follow-up evaluation including repeat testing, documented obstructive hypertrophic cardiomyopathy;
9. Aortic stenosis (valve area \<1.5cm);
10. LV dysfunction (ejection fraction ≤35%);
11. History of significant cocaine or amphetamine abuse;
12. Taking potent CYP3A4 inhibitors (ketoconazole, itraconazole, nefazodone, troleandomycin, clarithromycin, ritonavir, nelfinavir);
13. Women who are pregnant.
D: Eligible patients must have a diagnosis of chronic angina, with documented evidence of coronary artery disease or prior myocardial infarction, in addition to other study entry criteria. Prior to entering the study, patients will be required to have had at least two weeks of treatment with amlodipine 10 mg daily, with the discontinuation of all other anti-anginal therapy for the duration of the study.

Answer: D