ABACAS (Adjunctive Balloon Angioplasty following Coronary Atherectomy Study)
ABC (Alpha Beta Canadian Trial)
ACAPS (Asymptomatic Carotid Artery Plaque Study)
ACAPS (Asymptomatic Carotid Artery Progression Study)
ACAS (Asymptomatic Carotid Atherosclerosis Study)
ACCEPT (American College of Cardiology Electrocardiogram Proficiency Test)
ACCESS (A Comparison of perCutaneous Entry SiteS for coronary angioplasty)
ACCORD (Angioplastie Coronaire, CORvasal & Diltiazem)
ACCS (American Canadian Cooperative Study)
ACCT (Amlodipine Cardiovascular Community Trial)
ACHIEVE (Accupril Congestive Heart failure Investigation and Economic Variable Evaluation)
ACIP (Asymptomatic Cardiac Ischemia Pilot study)
ACIT (Asymptomatic Cardiac Ischemia Trial)
ACME (Angioplasty Compared to MEdicine)
ACP (Asymptomatic Cardiac ischemia Pilot study)
ACST (Asymptomatic Carotid Surgery Trial)
ACT (Angioplasty Compliance Trial)
ACT (Arteriopathie Chronique Ticlopidine)
ACT (Attacking Claudication with Ticlopidine)
ACTION
ACTS (American Canadian Thrombosis Study)
ACUTE (Assessment of Cardioversion Utilizing Transesophageal Echocardiography)
ADEG (Antiarrhythmic Drug Evaluation Group Trial)
ADEP (Atherosclerotic Disease Evolution by Picotamide study)
ADMIT (Arterial Disease Multiple Intervention Trial)
ADOPT (Accupril Decision On Pharmaco-Therapy)
AFASAK (Atrial Fibrillation, ASpirin, AntiKoagulation)
AFCAPS/TexCAPS (Air Force Coronary/Texas Atherosclerosis Prevention Study)
AFFIRM (Atrial Fibrillation Follow-up Investigation of Rhythm Management)
AFI (Atrial Fibrillation Investigators 1993 pooled study)
AFTER (Anistreplase Following Thrombolysis Effect on Reocclusion)
AFTER (Aspirin or anticoagulant Following Thrombolysis with Eminase Results)
AHFMS
AHS (Adventist Health Study)
AICLA (Accidents Ischemiques Cerebraux Lies l'Atherosclerose study)
AIMS (APSAC Interventional Mortality Study)
AIPRI (ACE Inhibition in Progressive Renal Insufficiency)
AIRE (Acute Infarction Ramipril Efficacy study)
AIRE (Acute Infarction Reperfusion Efficacy study)
AITIA (Aspirin in Transient Ischemic Attacks)
ALDUSA (Aspirin Low Dosage in UnStable Angina)
ALERT
ALIVE (Adenosine Lidocaine Infarct zone Viability Enhancement trial)
ALKK  (Arbeitsgemeinschaft Leitender Kardiologischer Krankenhausarzte study)
ALL (Antihypertensive and Lipid Lowering studies)
ALLHAT (Antihypertensive and Lipid Lowering treatment to prevent Heart Attack Trial)
AMIABLE (Acute Myocardial Infarction Angioplasty Bolus Lysis Evaluation)
AMICUS (Austrian Multicenter Isradipine CUm Spirapril study)
AMIS (Aspirin in Myocardial Infarction Study)
AMISTAD (Acute Myocardial Infarction STudy of ADenosine)
AMPI (APSAC in acute Myocardial infarction Placebo controlled Investigation)
AMRO (AMsterdam-ROtterdam trial comparing excimer laser & PTCA)
AMT (Adenosine-scan Multicenter Trial)
ANBP (Australian National Blood Pressure trial)
ANS (American Nimodipine Study)
ANZ (Australia and new Zealand heart failure collaborative study)
APLAUD
APSI
APSI
APSIM
APSIS
APTH
ARGAMI 2
ARIS
ARMS
ART
ASAAC
ASCB
ASCENT
ASIS
ASIST
ASSET
ASSENT 1
ASSENT 2
ATACS
ATEST
ATLAS
AUCT
AVERT
AVID