Inclusion Criteria:

- Subject either not of childbearing potential or is not pregnant and agrees to use
contraceptive measure for the duration of the study

- Subjects presenting within 12 hours after the last episode of chest pain with:

- An accelerating pattern of anginal pain

- A prolonged or recurrent anginal pain at rest or with minimal effort AND

- Evidence of myocardial ischemia on ECG manifested by at least one of the
following ECG criteria: - new persistent or transient ST-segment depression OR
transient or reversible ST-segment elevation or new persistent or transient
T-wave inversion OR Abnormal cardiac markers defined as: CK-MB greater than the
upper limit of normal Troponin T or I level greater than the upper limit of
normal.

Exclusion Criteria:

- Known or suspected pregnancy or actively breast-feeding

- Female of childbearing potential not using or planning to use a reliable method of
contraception

- Treatment with Hormone Replacement Therapy at time of randomization

- Angina precipitated by obvious provoking factors

- Heart Failure defined as known ejection fraction less or equal to 40% or NYHA (New
York Heart Association) class III pr IV

- Type I Diabetes Mellitus

- Type II diabetes requiring insulin therapy

- Hyperkaliemia

- Acute chronic inflammatory, collagen tissue disease, auto-immune disease or cancer
and/or requiring the use of anti-inflammatory or anti-neoplastic agents at the time
of randomization

- Use of a non-steriodal anti-inflammatory agent, coxibs, or anti-neoplasic agent
within last 7 days

- Use of any oral or intra-venous steroidal agent in the last 7 days before study entry

- Uncontrolled hypertension

- Systolic pressure < 100 mmHg at randomization

- Likelihood of requiring treatment during the study period with drugs not permitted by
the protocol

- Treatment with any investigational product or device in the last 4 weeks

- Previous participation into the trial

- History of hypersensitivity, allergy, or intolerance to Angiotensin-Converting Enzyme
inhibitors.

- Severe cardiovascular diseases requiring urgent therapy

- Severe or co-morbid condition

- History of cancer not known to be disease free, with the exception of basal cell
carcinoma of the skin

- Clinically important systemic disorder

- Impaired hepatic function

- Clinically important chronic or acute renal failure

- History of drug or alcohol abuse