REVIEW Duloxetine is a potent inhibitor of neuronal serotonin and norepinephrine reuptake and a less potent inhibitor of dopamine reuptake. Duloxetine has no significant affinity for dopaminergic, adrenergic, cholinergic, histaminergic, opioid, glutamate, and GABA receptors. The antidepressant and pain inhibitory actions of duloxetine are believed to be related to its potentiation of serotonergic and noradrenergic activity in the CNS. The mechanism of action of duloxetine in SUI has not been determined, but is thought to be associated with the potentiation of serotonin and norepinephrine activity in the spinal cord, which increases urethral closure forces and thereby reduces involuntary urine loss.
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Karpa KD, Cavanaugh JE, Lakoski JM: Duloxetine pharmacology: profile of a dual monoamine modulator. CNS Drug Rev. 2002 Winter;8(4):361-76.
van Groeningen CJ, Peters GJ, Pinedo HM: Lack of effectiveness of combined 5-fluorouracil and leucovorin in patients with 5-fluorouracil-resistant advanced colorectal cancer. Eur J Cancer Clin Oncol. 1989 Jan;25(1):45-9.
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