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Psychiatric Disorders clinical trials

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NCT ID: NCT03907124 Withdrawn - Pain Clinical Trials

Clinical Utility of Pharmacogenomics of Psychotropic Medications

Start date: June 3, 2019
Phase: Phase 4
Study type: Interventional

While the scientific understanding of pharmacogenomics is quickly accelerating, its translation to clinical decision-making (especially in psychiatric practice) has progressed more slowly. In an effort to begin to bridge this translational gap, genetic testing has been developed for various and commonly existing psychiatric disorders, such as major depression, schizophrenia, bipolar disorder, and pain syndromes to improve the safety of prescribing psychotropic medications for these disorders. This genetic testing incudes several pharmacodynamics and pharmacokinetic genetic factors, such as the cytochrome P450 1A2 gene (CYP1A2); the cytochrome P450 2B6 (CYP2B6) gene; P450 2D6 gene (CYP2D6); the cytochrome P450 2C9 gene (CYP2C9); the cytochrome P450 2C19 gene (CYP2C19); uridine-glucoronyl-transferase 2B15 (UGT2B15) gene; the serotonin transporter gene (Solute Carrier Family 6 Member; SLC6A4); p-glycoprotein ( ATP-binding cassette sub-family B member 1; ABCB1) transporter gene; the serotonin 2A receptor gene (HTR2A); the serotonin 2C receptor (HTR2C) gene; serotonin 1a receptor (5HT1a) gene; dopamine 1 receptor (DRD1) gene; dopamine 2 receptor (DRD2) gene; adrenergic alpha-2A receptor (alpha-2A) gene; opioid mu (opioid receptor mu 1; OPRM1) receptor gene; dopamine synthesis gene (ankyrin repeat and kinase domain containing 1; ANKK1); dopamine metabolizing enzyme [Catechol-o-methyltransferase (COMT]) gene; kainite receptor gene (glutamate ionotropic receptor kainate type subunit 4; GRIK4); folate (methylenetetrahydrofolate reductase; MTHFR) gene; sodium channels (sodium voltage-gated channel alpha subunit 2; SCN2A) gene. The interpretive report is based on copies of these multiple informative genes. The investigators are proposing to utilize comprehensive genetic testing to select more genetically-informed psychotropic medications to enhance their effectiveness in real-world patients with psychiatric illnesses such as schizophrenia, major depression, bipolar affective disorder as well as pain in a state hospital setting. The investigators plan to use genetic testing offered by Admera® for major classes of psychotropic medications. The investigators hypothesize that genetic testing will demonstrate clinical benefits by improving state hospital patients' response and decreasing their adverse effects. The proposed study will be conducted in a total sample of 60 subjects diagnosed with schizophrenia, major depression, bipolar affective disorder as well as pain at the Oregon State Hospital, Salem Oregon over a total period of 24 months

NCT ID: NCT03809897 Withdrawn - Clinical trials for Tobacco Use Cessation

Varenicline for Smoking Cessation in Hospitalized Patients With Psychiatric Disorders

Start date: January 2019
Phase: Phase 4
Study type: Interventional

Varenicline increases smoking abstinence rates compared to bupropion, nicotine patch or placebo in outpatients with psychiatric disorders. The American Psychiatric Association identifies psychiatric hospitalizations as an ideal opportunity to treat tobacco dependence. However, no previous studies have tested whether varenicline may improve smoking cessation rates compared to nicotine patch in hospitalized patients with mental illness. Additionally, varenicline has shown to be safe for mental health stable outpatients, but safety in psychiatric inpatients is unknown. Multisite open trial controlled study designed to assess varenicline's effectiveness on smoking cessation compared to nicotine patch, in patients who are discharged from a psychiatric unit. Treatment will start during hospitalization and last 12 weeks followed by a non-treatment follow-up phase for 4 weeks. Safety will be assessed by comparing the incidence of adverse events. Participants will be randomized to receive varenicline or nicotine patch during 12 weeks. All participants will receive smoking cessation counseling.