Key result
DPCPX prevents citalopram-induced QT prolongation in rats, suggesting mediation by adenosine A1 receptors.
Why the study?
The role of adenosine and its receptors in citalopram-induced cardiotoxicity was unclear.
RCT
Randomized into four groups
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Citalopram QT effects may involve A1 receptors in rats; leaves open human translation and clinical relevance.
Kalkan et al. (2014) conducted an RCT in Citalopram-induced cardiovascular toxicity. Adenosine receptor antagonists (DPCPX, CSC) or adenosine modulators (EHNA/NBTI) prior to citalopram vs. 5% dextrose or DMSO was evaluated on Adenosine concentrations, mean arterial pressure (MAP), heart rate (HR), QRS duration and QT interval. In rats, DPCPX significantly prevented citalopram-induced QT prolongation compared to control, suggesting citalopram causes QT prolongation by stimulating adenosine A1 receptors.
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