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Dr Martin Gignac

Dr Martin Gignac

Dr Martin Gignac

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Nomenclature des drogues récréatives• Cannabinoids• Depressants– BZD– GHB• Dissociative/anesth.– PCP– Ketamine• Hallucinogens– LSD/meskaline– Psilocybin• Opioids• Stimulants• MDMA• Inhalants/Solvents• Anabolic SteroidsStimulants: tous les mêmes?AbuseLiabilityMoodEffectsEuphoriaMPH + +/- + + -AMPH + + + + -CardiovascularNeurologicalMETHamph+++ +++ +++ +++ ++(Wilens & Spencer, Beh Pharm 1998; Psych Cl N Am, 2000)Taux d’augmentation des drogues (Striatum)(Volkow et al., J Neurosci, 2001)IV Cocaine IV MPH ORAL MPHe (%/cc)UptakeRapid Rapid Slow20 40 60 80 100Time (min)20 40 60 80 100Time (min)20 40 60 80 100Time (min)- Cocaine (IV) & méthylphenidate (IV) produisent “euphorie” mais leméthylphenidate (PO) ne produit pas pas ce genre d’expérience- Le montée progressive du méthylphenidate (PO) permet untraitement efficace du TDAH sans euphorie14

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