Michael J. Detke

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This study demonstrated that distinct patterns of active behaviors are produced by antidepressants that selectively inhibit norepinephrine (NE) or serotonin (5-HT) uptake in the rat forced swimming test (FST). A behavior sampling technique was developed to score the active behaviors swimming, climbing and diving, as well as immobility. The rat's behavior(More)
Rationale: The forced swimming test (FST) is a behavioral test in rodents that predicts the clinical efficacy of many types of antidepressant treatments. Recently, a behavior sampling technique was developed that scores individual response categories, including swimming, climbing and immobility. Although all antidepressant drugs reduce immobility in the(More)
The aim of this study was to examine the efficacy and safety of duloxetine, a balanced and potent dual reuptake inhibitor of serotonin and norepinephrine, in the management of diabetic peripheral neuropathic pain. Serotonin and norepinephrine are thought to inhibit pain via descending pain pathways. In a 12-week, multicenter, double-blind study, 457(More)
A new scoring technique is described that measures active behaviors of rats in the forced swimming test, a test that predicts antidepressant drug effects. The technique distinguishes the effects of selective serotonin reuptake inhibitors, which reduce immobility and increase swimming behavior, from selective norepinephrine reuptake inhibitors, which reduce(More)
The forced swimming test (FST) is a widely used behavioral screen in rodents that is both sensitive and selective for clinically effective antidepressant drugs. However, antidepressant drugs produce changes in the FST within 24 hr of treatment, in contrast to weeks required for the recovery from clinical depression, and high doses seem to be required to(More)
OBJECTIVE To assess the efficacy and safety of duloxetine, a serotonin and norepinephrine reuptake inhibitor, in subjects with primary fibromyalgia, with or without current major depressive disorder. METHODS This study was a randomized, double-blind, placebo-controlled trial conducted in 18 outpatient research centers in the US. A total of 207 subjects(More)
BACKGROUND Despite treatment advances, major depressive disorder (MDD) is still a significant cause of morbidity and mortality. Current therapies frequently fall short of providing full remission. In addition, physical symptoms are commonly seen in MDD patients, increasing overall morbidity and health care utilization. Duloxetine hydrochloride, a dual(More)
This study examined whether the antidepressant-like effect of serotonin (5-HT)1A receptor agonists in the forced swim test (FST) is mediated by 5-HT1A receptors. The 5-HT1A receptor agonists 8-hydroxy-2-(di-n-propylamino) tetralin (8-OH-DPAT) and buspirone decreased immobility in the FST. The effect of 8-OH-DPAT was blocked by the 5-HT1A receptor(More)
Existing therapies for major depressive disorder (MDD) have either limited efficacy and/or poor tolerability. The present study examined the effects of duloxetine, a potent and balanced dual reuptake inhibitor of serotonin (5-HT) and norepinephrine (NE), in patients with MDD. Adult patients (N = 267) with MDD were randomly assigned to receive duloxetine (60(More)
The primary objectives of this study were to assess the efficacy and safety of duloxetine for reducing pain severity in fibromyalgia patients with or without current major depressive disorder. This was a 6-month, multicenter, randomized, double-blind, placebo-controlled study. In total, 520 patients meeting American College of Rheumatology criteria for(More)