Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-40820
BACKGROUND: MDMA (3,4-methylenedioxymethamphetamine, 'Ecstasy') produces tachycardia and hypertension and is rarely associated with cardiovascular and cerebrovascular complications. In clinical practice, beta-blockers are often withheld in patients with stimulant intoxication because they may increase hypertension and coronary artery vasospasm due to loss of beta(2)-mediated vasodilation and unopposed alpha-receptor activation. However, it is unknown whether beta-blockers affect the cardiovascular response to MDMA.
METHODS: The effects of the non-selective beta-blocker pindolol (20 mg) on the cardiovascular effects of MDMA (1.6 mg/kg) were investigated in a double-blind placebo-controlled crossover study in 16 healthy subjects.
RESULTS: Pindolol prevented MDMA-induced increases in heart rate. Peak values (mean+/-SD) for heart rate were 84+/-13 beats/min after MDMA vs 69+/-7 beats/min after pindolol-MDMA. In contrast, pindolol pretreatment had no effect on increases in mean arterial blood pressure (MAP) after MDMA. Peak MAP values were 115+/-11 mm Hg after MDMA vs 114+/-11 mm Hg after pindolol-MDMA. Pindolol did not change adverse effects of MDMA.
CONCLUSION: The results of this study indicate that beta-blockers may prevent increases in heart rate but not hypertensive and adverse effects of MDMA.
|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > Psychiatric University Hospital Zurich > Clinic for Affective Disorders and General Psychiatry Zurich East|
|DDC:||610 Medicine & health|
|Date:||08 April 2010|
|Deposited On:||17 Jan 2011 08:49|
|Last Modified:||06 Dec 2012 18:40|
|Publisher:||BMJ Publishing Group|
|Free access at:||Publisher DOI. An embargo period may apply.|
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