- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00732290
Investigation of Drug-drug Interaction Between Clopidogrel and Fluoxetine (PLATINE)
Clopidogrel is a platelet aggregation inhibitor witch prevents thrombotic events in patients with atherosclerotic vascular disease. To date, 4 to 30 % of patients are considered as poor, low or non-responder to this therapeutic. However, drug-drug interactions may lead to decrease the clopidogrel responsiveness. Many arguments are in support to a drug-drug interaction between clopidogrel and fluoxetine (selective serotonin reuptake inhibitor). On the pharmacokinetic level, fluoxetine inhibits the cytochroms involved in the production of clopidogrel active metabolite. On the pharmacodynamic level fluoxetine could increase the risk of hemorrhage by inhibiting the serotonin platelet reuptake and thus enhance the antiplatelet effect of clopidogrel.
The purpose of this study is to investigate the influence of fluoxetine on pharmacokinetic and pharmacodynamic of clopidogrel.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Fase 1
Kontakter og lokationer
Studiesteder
-
-
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Saint-Etienne, Frankrig, 42055
- Service de Medecin et Therapeutique, Unite de Recherche Clinique Groupe de Recherche sur la Thrombose (EA3065)
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Signed an informed consent
- Body mass: 60 to 85 Kg
- Platelet count: 180 to 350 G/L
- % platelet aggregation > 70%
- Subjects are to be in good health as determined by a medical history, physical examination including vital signs, and clinical laboratory test results including liver function, renal and full blood count
Exclusion Criteria:
- Subject with an history of seizure disorder
- Subject with a known allergy fluoxetine or clopidogrel
- Cigarette smoking
- Subject with a history of hemorrhagic disease
- Peptic ulcer
- Psychiatric disorders
- Participation in another clinical or device trial within the three previous months
- Subject who is currently taking medications
- Subject who is currently taking medications for depression
- Subject with an history of depression (MADRS score < 15)
- Hepatic insufficiency
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Enkelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Aktiv komparator: 1
Clopidogrel then fluoxetine+clopidogrel
|
D1 : clopidogrel (Plavix) 600mg (8 tablets) one time D45 to D48 : Fluoxetine (Fluoxetine EG 20mg) 20mg (1 tablet) per day D49 : 20mg Fluoxetine + 600mg Clopidogrel
|
|
Aktiv komparator: 2
Fluoxetine+clopidogrel then clopidogrel
|
D1 to D4 : Fluoxetine (Fluoxetine EG 20mg) 20mg (1 tablet) per day D5: 20mg Fluoxetine + Clopidogrel (Plavix) 600mg (8 tablets) one time D49 : Clopidogrel 600mg one time
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Platelet aggregation inhibition measured by optical aggregometry in presence of adenosine diphosphate (ADP) 20 μmol/L and 5 μmol/L.
Tidsramme: Before first fluoxetin taking, during clopidogrel taking
|
Before first fluoxetin taking, during clopidogrel taking
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Level of phosphorylated VASP (vasodilator- stimulated phosphoprotein), a good index of P2Y12 activity (platelet receptor of clopidogrel) and P-selectin by flow cytometry.
Tidsramme: Before first Fluoxetine taking and during Clopidogrel taking
|
Before first Fluoxetine taking and during Clopidogrel taking
|
|
Determination of clopidogrel and its metabolites in plasma by LC/MS-MS method
Tidsramme: During clopidogrel taking
|
During clopidogrel taking
|
Samarbejdspartnere og efterforskere
Efterforskere
- Ledende efterforsker: PIERRE GARNIER, MD, CHU de Saint-Etienne
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Lægemidlers fysiologiske virkninger
- Neurotransmittermidler
- Molekylære mekanismer for farmakologisk virkning
- Enzymhæmmere
- Blodpladeaggregationshæmmere
- Purinerge P2Y-receptorantagonister
- Purinerge P2-receptorantagonister
- Purinerge antagonister
- Purinerge midler
- Psykotropiske stoffer
- Serotoninoptagelseshæmmere
- Neurotransmitter optagelseshæmmere
- Membrantransportmodulatorer
- Serotoninmidler
- Antidepressive midler
- Cytokrom P-450 enzymhæmmere
- Antidepressive midler, anden generation
- Cytokrom P-450 CYP2D6-hæmmere
- Clopidogrel
- Fluoxetin
Andre undersøgelses-id-numre
- 0801068
- 2008-004395-46
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