Please select the eligibility criteria that correspond to the clinical trial below.
Title: Risk and Prevention Study: Optimisation of the Preventive Strategies and Evaluation of the Efficacy of n-3 PUFA in Subjects at High Cardiovascular Risk
Brief Summary: In the everyday practice cardiovascular prevention in people at high risk is still unsatisfactory and treatments with documented efficacy are generally under-used.

Polyunsaturated fatty acids of marine origin (n-3 PUFA) are the latest more promising strategy to improve prognosis in these patients.

The Risk and Prevention study combines an epidemiological and an experimental approach in order to:

1. Verify the possibility to optimise cardiovascular prevention in subjects at high risk by planning the intervention with patients and setting individual goals (outcome study)
2. Evaluate the efficacy of a long term n-3 PUFA treatment in reducing the incidence of cardiovascular events, through a controlled, randomised, double blind clinical trial.


Options:
A: Inclusion Criteria:

* Multiple risk factors:

  * diabetes,
  * age =\> 65 years,
  * male sex,
  * hypertension,
  * hypercholesterolemia,
  * smoking,
  * obesity,
  * family history of premature cardiovascular disease;
* Previous manifestations of atherosclerotic disease (ischemic stoke, transient ischemic attack \[TIA\], peripheral artery disease, previous arterial revascularisation procedures, angina pectoris)

Exclusion Criteria:

* Contraindications (known allergies to n-3 PUFA) or indications (previous myocardial infarction) for the treatment with n-3 PUFA
* Serious comorbidity with an unfavourable prognosis over the short term
* Expected non compliance over a long period of time
* Pregnancy
B: Inclusion Criteria:

* Clinical diagnosis of myocardial infarction, angina, or coronary insufficiency
* Willingness to attend Coronary Clinic in Sydney Australia on a regular basis
C: Inclusion criteria:

1. Steatohepatitis diagnosed on normal clinical grounds including in most cases liver biopsy and assessed by Kleiner scoring system to assess severity, with no known aetiological factors for underlying liver disease (e.g. exclusion of hepatitis A, B \& C, primary biliary cirrhosis, autoimmune hepatitis, haemochromatosis).
2. Steatosis diagnosed by ultrasound, CT or magnetic resonance imaging who also have either diabetes and/or features of the metabolic syndrome, without evidence of known aetiological factors for underlying liver disease (e.g. exclusion of hepatitis A, B \& C, primary biliary cirrhosis, autoimmune hepatitis, haemochromatosis).

Liver biopsy or liver scan will be within 3 years of recruitment to the study. Age: men \& women \>18 years. Alcohol consumption \<35 units / week for women \<50 units / week for men).

Exclusion criteria:

* Decompensated acute or chronic liver disease, or harmful drinking (\> 35 u/week in women \> 50 u /week in men).
D: Inclusion criteria:

* Men and women
* Aged 60 through 80 y
* Verified clinically diagnosed myocardial infarction up to 10 y before randomization
* Written informed consent

Exclusion criteria:

* Living in a nursing home or other institution
* Participation in another scientific study
* Habitual margarine intake \< 10 g per day
* Habitual fish intake \> 150 g per day
* Habitual alcohol intake \> 6 drinks per day
* Use of fish oil capsules or other supplements containing omega-3 fatty acids
* Presence of cancer with \< 1 y of life expectancy
* Cognitive impairment, as indicated by the Mini Mental State Examination (score \<= 21)
* Unintended weight loss \> 5 kg in the past year
* Lack of facilities for cooled margarine storage at home
* Inability or unwillingness to comply with study procedures

Answer: A