UMLS:C0917801 - FACTA Search

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Query: UMLS:C0917801 (insomnia)
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Lilly is developing duloxetine, a 5-HT and norepinephrine uptake inhibitor as a potential treatment for depression and urinary incontinence. In Japan, it is being jointly developed with Shionogi [187401]. Phase III trials for depression and phase II trials for urinary incontinence are underway in Japan [296442,328887]. Lilly expects to file for depression in 2002 and phase III trials for urinary incontinence are planned to start enrollment by the end of 2000 [358429,370526,373870]. Duloxetine has a half-life of 10 to 15 h in humans, and parameters reach a steady-state after 3 days of daily administration. In a 6-week, open-label study duloxetine was safe and well tolerated in 79 clinically depressed patients. Clinical response occurred in 78% of patients, and remission occurred in 60%. Insomnia and nausea occurred with an incidence of 20% [300881]. Duloxetine may offer advantages over existing antidepressants, such as Lilly's fluoxetine, because of faster recovery and fewer side effects [190226]. In June 2000, Morgan Stanley Dean Witter predicted duloxetine would reach the market in 2002 with annual sales in this year of US $50 million, rising to $200 million in 2005 [373870]. In February 1999, Deutsche Bank predicted Lilly's sales at US $200 million in 2002 rising to $400 million in 2003 [316821]. In May 2000, Deutsche Bank had made further predictions, stating that filing for duloxetine is expected in the fourth quarter of 2001, and peak sales are expected to exceed US $500 million. Also in February 1999, Lehman Brothers predicted the first major launch date (US and ex-US) to be 2002, with the year of peak sales to be 2008 [319225]. In August 1999, this prediction changed, and the expected launch date became 2001, with an 80% probability of reaching the market and sales peaking at US $150 million in 2012 [349228].
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PMID:Duloxetine Eli Lilly & Co. 1124 87

>55% were observed in two of the studies, while in a third study the probability of remission with duloxetine treatment was nearly three times that observed with placebo (44% versus 16%). Duloxetine also produced significant improvement in painful physical symptoms compared with placebo, in many cases after only 2 weeks of treatment. The discontinuation rate due to adverse events (14.6%) was similar to those observed with selective serotonin reuptake inhibitors. The most frequently reported adverse events were nausea, dry mouth, fatigue, and insomnia. Conclusion. Duloxetine was demonstrated to be safe and effective in the treatment of MDD. The starting dose with the best balance of efficacy and tolerability is 60 mg QD.
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PMID:Duloxetine for the treatment of major depressive disorder. 1285 50

BACKGROUND: Depression is underdiagnosed in the primary care setting. Physical symptoms such as aches, pains, and gastrointestinal disturbance are frequently associated with major depressive disorder (MDD) and are often the presenting symptoms. Duloxetine, a dual-reuptake inhibitor of serotonin and norepinephrine, may have a positive effect on physical symptoms in addition to efficacy in treating emotional symptoms of depression. METHOD: Efficacy was evaluated in 6 double-blind, placebo- and/or active comparator-controlled trials of duloxetine for patients with MDD (DSM-IV criteria). Efficacy in depression was determined primarily using the 17-item Hamilton Rating Scale for Depression (HAM-D-17). Secondary efficacy measures included subscales of the HAM-D-17 and assessment of physical symptoms. Safety evaluations included adverse events, vital signs, laboratory analyses, and electrocardiograms. Safety was evaluated by pooling the data from the MDD trials and a study of duloxetine in nondepressed patients. RESULTS: Duloxetine demonstrated significant differences from placebo on core mood symptoms, physical symptoms (e.g., back pain), and global functioning as early as week 1 of treatment. The estimated probabilities of remission in the studies that demonstrated efficacy ranged from 43% to 57%. The most frequently observed adverse events for duloxetine-treated patients included nausea, dizziness, insomnia, fatigue, and somnolence. Duloxetine did not prolong corrected QT intervals, and the rate of sustained elevations of blood pressure did not differ significantly from placebo. CONCLUSION: In these studies, duloxetine was safe and effective in the treatment of both emotional and physical symptoms of MDD. Based on dose assessments, 60 mg q.d. appears to be the optimum starting and therapeutic dose.
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PMID:Duloxetine: A New Treatment for the Emotional and Physical Symptoms of Depression. 1515 43

Duloxetine has demonstrated efficacy for the treatment of major depressive disorder (MDD) at a dose of 60 mg/day (given once daily). Whereas the target dose for the majority of patients is 60 mg/day, higher duloxetine doses (up to 120 mg/day) have been studied using a twice-daily dosing schedule. To further investigate the pharmacological profile of duloxetine within a once-daily dosing regimen at doses above 60 mg, we examined the safety and tolerability of duloxetine during a dose escalation from 60 mg/day to 120 mg/day. This single-arm, non-placebo-controlled study incorporated a 7-week dose escalation phase, in which patients and investigators were blinded as to timing of dose increases, followed by an open-label extension phase of up to 2 years duration. Patients (age >or=18 years) meeting DSM-IV criteria for MDD (n=128) received placebo for 1 week, followed by duloxetine (60 mg/day) titrated after 1 week to 90 mg/day, and after a further week to 120 mg/day. The dose of 120 mg/day was then maintained for 4 weeks. The extension phase comprised an initial 6-week dose stabilization period, during which duloxetine was tapered to the lowest effective dose, followed by continuation therapy at the stabilized dose. We assessed safety using spontaneously reported treatment-emergent adverse events (TEAEs), changes in vital signs, electrocardiograms (ECGs), laboratory analytes, and visual analogue scales (VAS) for gastrointestinal (GI) disturbance. Efficacy measures included the 17-item Hamilton Rating Scale for Depression (HAM-D-17) total score, the Clinical Global Impression of Severity (CGI-S) and Patient Global Impression of Improvement (PGI-I) scales, and VAS assessments of pain severity and interference. The rate of discontinuation due to adverse events during the acute phase of the study was 15.6%. The most frequently reported TEAEs were nausea, headache, dry mouth, dizziness, and decreased appetite. The majority of TEAEs were associated with initial duloxetine dosing; further escalations in dose produced few additional adverse events. VAS measures of GI disturbance worsened significantly compared with baseline values after 1 week of duloxetine treatment. Subsequent assessments of GI disturbance, following dose escalation to 90 mg/day and 120 mg/day, showed either no significant difference or a significant improvement from baseline. Significant improvements (P<.001) were observed in all assessed depression efficacy measures, and in five of six VAS pain outcomes, during acute phase treatment. During 2 years of extension phase therapy, the rate of discontinuation due to adverse events was 11.9%, and the only TEAEs reported by >10% of patients were upper respiratory tract infection (13.1%), headache (10.7%), and insomnia (10.7%). Mean changes from baseline to the end of the extension phase in supine systolic and diastolic blood pressure were 3.8 and 0.5 mm Hg, respectively, and there were no reports of sustained hypertension. Mean increase in heart rate was 5.9 bpm, while patients exhibited a mean weight increase of 3.1 kg over 2 years of treatment. Results from this study suggest that rapid dose escalation of duloxetine (60 mg/day --> 90 mg/day --> 120 mg/day) is safe and tolerable. Despite weekly escalation, the majority of adverse events were mild and transient and occurred in the first week of duloxetine dosing (at 60 mg once daily). Long-term treatment at a stabilized duloxetine dose was associated with a relatively low incidence of TEAEs and treatment discontinuation due to adverse events. Time course profiles of body weight and heart rate showed modest increases during 2 years of treatment [ClinicalTrials.gov number, NC T000 42575].
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PMID:Duloxetine for the treatment of major depressive disorder: safety and tolerability associated with dose escalation. 1684 41

The objective of this study was to conduct a meta-analysis of the clinical impact of duloxetine treatment on sleep in adults with major depressive disorder. Data were pooled from 11 placebo-controlled, double-blind studies of duloxetine treatment (8-9 weeks acute therapy, modal dose 60 mg/day). Sleep outcome was assessed by the Hamilton Depression Rating Scale-17 (HAMD(17)) sleep items (onset latency, middle awakening, and early awakening) and their sum (insomnia subscale) and by occurrence of sleep-related treatment-emergent adverse events (TEAEs). Efficacy was measured by HAMD(17) Maier subscale scores. Adult outpatients (mean age: 45.4 years; 65.8% women) were assigned randomly to duloxetine (N=1760) or placebo (N=1159). Duloxetine-treated patients improved more on the HAMD(17) sleep subscale compared with placebo-treated patients (mean=-1.2 vs. -1.1, P< or =0.05). Sleep-related TEAEs that occurred more frequently for patients treated with duloxetine, compared with placebo, were insomnia (8.9 vs. 5.9%, P< or =0.001), middle insomnia (1.4 vs. 0.3%, P=0.001), and hypersomnia (1.0 vs. 0.3%, P< or =0.01). Patients with sleep-related TEAEs demonstrated similar mean improvement in Maier subscale score as patients without sleep-related TEAEs (P=0.223). Compared with placebo, duloxetine treatment was associated with a positive, but negligible, benefit on clinical ratings of insomnia and with more frequent sleep-related TEAEs that did not negatively impact overall efficacy for major depressive disorder.
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PMID:Clinical impact of duloxetine treatment on sleep in patients with major depressive disorder. 1885 19

Premenstrual dysphoric disorder (PMDD) affects 3-8% of women of reproductive age and is characterized by severe mood symptoms that cause important functional impairment. Serotonergic antidepressants appear to be an effective treatment for this disorder. The purpose of this study was to collect evidence on the efficacy and tolerability of duloxetine, a dual reuptake inhibitor of serotonin and norepinephrine, in the treatment of PMDD. We conducted a pilot, single-blind, non-controlled, fixed-dose trial. After two cycles for diagnosis confirmation, including a single-blind placebo cycle, 20 women with PMDD were treated continuously for three menstrual cycles with 60 mg/d duloxetine. The primary measure of the efficacy of treatment with duloxetine was the significant reduction in premenstrual symptoms demonstrated by the comparison between the mean Daily Record of Severity of Problems (DRSP) scores at baseline to endpoint (p=0.0002). Statistically significant symptom reduction was observed in the first treatment cycle and throughout all the treatment phase. Clinical response, defined as a reduction 50% of baseline premenstrual symptoms, occurred in 65% of subjects (intention-to-treat population). Significant improvements were demonstrated by secondary measures, including reduction in self-rated functional impairment (p=0.01) and improvement in quality of life (p=0.04). The main side-effects associated with duloxetine were dry mouth, nausea, drowsiness, insomnia, decreased appetite, decreased libido, and sweating. Duloxetine was effective and generally well tolerated in the treatment of PMDD. Further large-scale, double-blind, placebo-controlled studies are needed to evaluate duloxetine as an additional treatment strategy for the management of PMDD.
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PMID:Duloxetine treatment for women with premenstrual dysphoric disorder: a single-blind trial. 1925 May 61

Duloxetine, a medication with effects on both serotonin and noradrenaline transporter molecules, has recently been approved for the treatment of generalized anxiety disorder. The evidence for its efficacy lies in a limited number of double blind, placebo controlled comparisons. Statistically significant improvements in the Hamilton Anxiety Rating Scale from baseline were demonstrated in all studies at doses of 60 to 120 mg per day. The significance of such changes in terms of clinical improvements compared to placebo is less certain, particularly when the effect size of the change is calculated. In comparative trials with venlafaxine, duloxetine was as effective in providing relief of anxiety symptoms. In addition to improvements in clinical symptoms duloxetine has also been associated with restitution of role function as measured by disability scales. Duloxetine use is associated with nausea, dizziness, dry mouth, constipation, insomnia, somnolence, hyperhidrosis, decreased libido and vomiting. These treatment emergent side effects were generally of mild to moderate severity and were tolerated over time. Using a tapered withdrawal schedule over two weeks in the clinical trials, duloxetine was associated with only a mild withdrawal syndrome in up to about 30% of patients compared to about 17% in placebo treated patients. Duloxetine in doses of up to 200 mg twice daily did not prolong the QTc interval in healthy volunteers. Like other agents with dual neurotransmitter actions duloxetine reduces the symptoms of generalized anxiety disorder in short term treatments. Further evidence for its efficacy and safety in long term treatment is required.
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PMID:Duloxetine in the treatment of generalized anxiety disorder. 1933 57

This manuscript reviews the pharmacodynamics and pharmacokinetics of duloxetine and its efficacy and safety in women with stress urinary incontinence. Duloxetine is a selective inhibitor of neuronal serotonin and norepinephrine uptake which increases urethral striated muscle activity and bladder capacity. Duloxetine is readily absorbed and extensively metabolized; cytochrome P450 1A2 (CYP1A2) inhibiting drugs can markedly increase duloxetine exposure. The clinical efficacy of duloxetine has consistently been demonstrated in several randomized, double-blind studies in women with moderate-to-severe stress urinary incontinence, but the additional benefit relative to placebo was moderate. Duloxetine treatment is frequently associated with adverse events such as nausea, dry mouth, fatigue, insomnia and constipation, but serious adverse events are rare. Therefore, duloxetine appears suitable for the treatment of stress urinary incontinence.
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PMID:Duloxetine in the treatment of stress urinary incontinence. 1980 76

Fibromyalgia is a chronic pain disorder characterized by widespread pain, stiffness, insomnia, fatigue and distress. Several randomized controlled trials (RCTs) have shown moderate effectiveness of pharmacological therapies for fibromyalgia pain. Evidence from these trials suggests that pharmacological therapy can not only improve pain but also fatigue, function and well-being in patients with fibromyalgia. Duloxetine and milnacipran, two highly selective serotonin-norepinephrine (noradrenaline) reuptake inhibitors, and the alpha(2)delta agonist pregabalin have been approved by the US FDA for the treatment of fibromyalgia symptoms. In general, about half of all treated patients seem to experience a 30% reduction of symptoms, suggesting that many patients with fibromyalgia will require additional therapies. Thus, other forms of treatment, including exercise, cognitive behavioural therapies and self-management strategies, may be necessary to achieve satisfactory treatment outcomes. Despite promising results of pilot trials, RCTs with dopamine receptor agonists and sodium channel antagonists have so far been disappointing for patients with fibromyalgia. However, new pharmacological approaches for the treatment of fibromyalgia pain and insomnia using sodium oxybate appear to be promising.
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PMID:Pharmacological treatment of fibromyalgia syndrome: new developments. 2003 Apr 22

Duloxetine is a serotonin-norepinephrine reuptake inhibitor (SNRI) which is FDA approved for the treatment of generalized anxiety disorder (GAD) in doses of 30 mg to 120 mg daily. Duloxetine has been shown to significantly improve symptoms of GAD as measured through the Hamilton Anxiety Rating Scale (HAMA), the Clinical Global Impressions Scale (CGI-I), and other various outcome measures in several placebo-controlled, randomized, double blind, multi-center studies. Symptom improvement began within the first few weeks, and continued for the duration of the studies. In addition, duloxetine has also been shown to improve outcomes in elderly patients with GAD, and in GAD patients with clinically significant pain symptoms. Duloxetine was noninferior compared with venlafaxine XR. Duloxetine was found to have a good tolerability profile which was predictable and similar to another SNRI, venlafaxine. Adverse events (AEs) such as nausea, constipation, dry mouth, and insomnia were mild and transient, and occurred at relatively low rates. It was found to have a low frequency of drug interactions. In conclusion, duloxetine, a selective inhibitor for the serotonin and norepinephrine transporters, is efficacious in the treatment of GAD, and has a predictable tolerability profile, with AEs generally being mild to moderate.
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PMID:Duloxetine in the treatment of generalized anxiety disorder. 2036 Aug 99

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