Study: NCT00950339

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: omeprazole, 20mg twice daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: omeprazole, 20mg twice daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: omeprazole, 20mg twice daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: famotidine 40mg twice daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: famotidine 40mg twice daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: famotidine 40mg twice daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: pantoprazole 40mg once daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: pantoprazole 40mg once daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: pantoprazole 40mg once daily
Description: Each patient will undergo 3 phases of drug therapy:~A- 4 weeks of PPI treatment (omeprazole, 20mg twice daily)) B- 4 weeks of H2 blocker treatment (famotidine 40mg twice daily) C- 4 weeks of PPI treatment (pantoprazole 40mg once daily).~At the end of each phase- each patient will undergo the following evaluation:~Platelet reactivity