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2/12/2015 Disclosure Mental Health Medications CE for Pharmacy Technicians • I have no financial interests to disclose • I have no conflicts of interest to disclose Brittany L. Keener, PharmD, BCPS LCDR, United States Public Health Service Alaska Native Medical Center Mediset Pharmacy Objectives Objectives • Review the definition and diagnostic criteria for: • Review the classes of drugs used to treat depression, schizophrenia, bipolar, anxiety • Review the general mechanism of action of antidepressants (SSRI, SNRI, TCA, etc.), benzodiazepines, antipsychotics, mood stabilizers, etc. • Review doses for drugs for each disease state – – – – Depression Schizophrenia Bipolar disorders Anxiety Objectives • Review of main side effects and any required monitoring for each drug Mental Health Disorders • In 2012, there were an estimated 43.7 million adults aged 18 or older in the U.S. with any mental illness (AMI) – 18.6% of all adults1 • In 2012, there were an estimated 9.6 million adults aged 18 or older in the U.S. with serious mental illness (SMI) – 4.1% of all adults1 1 2/12/2015 Mental Health Disorders • The prevalence of AMI in American Indian/Alaska Native adults in 2012 was reported at 28.3%1 • The prevalence of SMI in American Indian/Alaska Native adults in 2012 was reported at 8.5%1 Depression • • • • • • • • • Depressed mood most of the day Diminished interest or pleasure in all or most activities Significant unintentional weight loss or gain Insomnia or sleeping too much Agitation or psychomotor retardation noticed by others Fatigue or loss of energy Feeling of worthlessness or excessive guilt Diminished ability to think or concentrate or indecisiveness Recurrent thoughts of death Bipolar • Characterized by more than one bipolar episode • 3 types of bipolar disorder – Bipolar 1 – Bipolar 2 – Cyclothymic Disorder Depression • Major Depressive Disorder requires two or more major depressive episodes – Depressed mood and/or loss of interest or pleasure in life activities for at least 2 weeks – At least five of the following symptoms that cause clinically significant impairments in social, work, or other important areas of functioning almost every day Schizophrenia • Characterized by delusions, hallucinations, disorganized speech and behavior, and other symptoms that cause social or occupational dysfunction • Symptoms must have been present for six months and include at least one month of active symptoms Bipolar • Bipolar 1: manic, or rapid (daily) cycling episodes of mania and depression • Bipolar 2: recurrent depression accompanied by hypomanic episodes • Cyclothymic Disorder: a chronic state of cycling between hypomanic and depressive episodes that do not reach diagnostic standard for bipolar 2 2/12/2015 Anxiety • Characterized by excessive fear or anxiety that is difficult to control and negatively and substantially impacts daily functioning – – – – – – – Phobias Generalized Anxiety Disorder (GAD) Panic disorder Separation anxiety Social anxiety (social phobia) Obsessive-compulsive disorder (OCD) Post-traumatic stress disorder (PTSD) Anxiety • Panic disorder: Sudden and repeated attacks of fear that last for several minutes • Social anxiety: strong fear of being judged by others and of being embarrassed for doing common things in front of others • OCD: the need to check things repeatedly, frequent thoughts, or perform routines and rituals over and over • PTSD: develops after a terrifying ordeal that involves physical harm or the threat of physical harm Anxiety • Phobias: Overwhelming and unreasonable fear of an object or situation that poses little real danger but provokes anxiety and avoidance • GAD: excessive worry about a variety of everyday problems for at least 6 months • Separation anxiety: inappropriate and excessive display of fear and distress when faced with situations of separation from the home or a specific attachment figure Insomnia • Difficulty initiating or maintaining sleep, or nonrestorative sleep for at least 1 month • Sleep disturbance (or daytime fatigue) which causes clinically significant distress or impairment in social, occupational, or other important areas of functioning • Does not occur exclusively during the course of narcolepsy, breathing-related sleep disorder, circadian rhythm sleep disorder, or a parasomnia • The disturbance does not occur exclusively during the course of another mental disorder • Not due to the direct physiological effects of a substance or a general medical condition Antidepressants • SSRI • SNRI • TCA • • • • NDRI SARI NaSSA MAOI 3 2/12/2015 Antidepressants SSRI • SSRI: Selective Serotonin Reuptake Inhibitor • • • • • • – These drugs inhibit the reuptake of serotonin into brain nerve cells – This results in increasing the available serotonin to stimulate the serotonin receptors – Serotonin is believed to contribute to feelings of well-being and happiness Drug FDA-Approved Indication Citalopram (Celexa) SSRI • • • • • • • • Weight gain Suicidal ideation Withdrawal symptoms Sexual dysfunction Anxiety Tremor Nausea Headache • 4 to 6 weeks to see full effect, some suggest even longer • Metabolized by the liver • Drug interactions are very common • Serotonin Syndrome Depression – Increase the levels of both serotonin and norepinephrine – Norepinephrine in the brain helps to increase concentration Usual Adult Dose Comments Initial: 20 mg Contraindicated with pimozide. Max: 40 mg Maximum dose 20 mg daily if >60 years old, hepatic impairment, CYP2C19 poor metabolizer, or taking a CYP2C19 inhibitor. SSRI Escitalopram (Lexapro) Depression (adults, adolescents), GAD (adults) Initial: 10 mg Usual: 10 mg Max: 20 mg Fluoxetine (Prozac,Sarafem,Prozac Weekly) Depression, OCD, bulimia, panic disorder, PMDD (Sarafem) Pediatrics: Depression, OCD Initial: 20 mg (10 mg for panic disorder or in pediatrics; can use 20 mg for depression in heavier kids) Usual: 20 mg Max: 80 mg (minimal experience with doses >20 mg in pediatrics) Bulimia: 60 mg (can start lower to improve tolerability) Fluvoxamine (Luvox no longer sold under brand name) OCD Maximum dose 10 mg/day in elderly or hepatic impairment. Contraindicated with pimozide, thioridazine. Start Prozac Weekly 7 days after last fluoxetine dose. Prozac Weekly: 90 mg once weekly (depression) Initial: 50 mg (25 mg pediatrics) Usual: 100 mg to 300 mg; divide doses >100 mg (50 mg to 200 mg pediatrics; divide doses >50 mg) Contraindicated with aldosterone (Lotronex), tizanidine (Zanaflex), thioridazine, pimozide. Bedtime dosing recommended. Max: 300 mg; divide doses >100 mg (200 mg child <12 years; divide doses >50 mg) Fluvoxamine extendedrelease (Luvox CR) OCD Initial: 100 mg Usual: 100 mg to 300 mg Max: 300 mg Paroxetine (Paxil, Paxil CR,Brisdelle) Paxil: Depression, panic disorder, social anxiety disorder, OCD, GAD, PTSD Paxil CR: Depression, panic disorder, social anxiety disorder, PMDD Brisdelle: hot flashes Paxil CR, initial: 12.5 mg; 25 mg for depression Max: 75 mg Contraindicated with aldosterone (Lotronex), tizanidine (Zanaflex), thioridazine, ramelteon, pimozide. Sertraline (Zoloft) Depression, OCD, panic disorder, PTSD, PMDD, social anxiety disorder Pediatrics: OCD Initial: 50 mg (25 mg for panic, PTSD, Contraindicated with pimozide. children ages six to 12, and social anxiety) Max: 200 mg (children/adults) Bedtime dosing recommended. Antidepressants • SNRI: Serotonin Norepinephrine Reuptake Inhibitors Fluoxetine (Prozac, Sarafem) Citalopram (Celexa) Escitalopram (Lexapro) Paroxetine (Paxil, Pexeva) Sertraline (Zoloft) Fluvoxamine (Luvox) Start with 10 mg daily (12.5 mg Paxil CR) and do not exceed 40 mg daily (50 mg Paxil CR) in the elderly, debilitated, or patients with hepatic or renal impairment. Contraindicated with pimozide or thioridazine. Paxil, initial: 20 mg; 10 mg for panic disorder Max: 60 mg Brisdelle: 7.5 mg at bedtime SNRI • • • • Venlafaxine (Effexor) Desvenlafaxine (Pristiq) Duloxetine (Cymbalta) Levomilnacipran (Fetzima) 4 2/12/2015 Drug FDA-Approved Indication Desvenlafaxine succinate extendedrelease tablet (Pristiq) Depression Usual Adult Dose Comments Initial: 50 mg Usual: 50 mg Monitor blood pressure. Max: 400 mg (no additional benefit of doses >50 mg) SNRI Desvenlafaxine extended-release tablet (Khedezla) Depression Initial: 50 mg Usual: 50 mg Max dose 50 mg daily in moderate renal impairment, and 50 mg every other day in severe renal impairment. Max dose 100 mg daily in moderate to severe hepatic impairment. SNRI As above. Max: 400 mg (no additional benefit of doses >50 mg) • Similar side effects to SSRIs • Nausea • Dry Mouth • Dizziness • Excessive sweating • Withdrawal problems seem to be greater • Other novel uses (chronic pain) Duloxetine (Cymbalta) Depression, GAD, Initial: 30 mg for pain or fibromyalgia. May start with 60 diabetic peripheral mg for other indications. neuropathy, Usual: 60 mg fibromyalgia, Max: 120 mg (no evidence of benefit vs 60 mg) chronic musculoskeletal pain Monitor blood pressure. Avoid with potent CYP1A2 and CYP2D6 inhibitors. Levomilnacipran extended-release capsules (Fetzima) Monitor blood pressure and pulse. Max dose 80 mg daily in moderate renal impairment, and 40 mg daily in severe renal impairment. Stronger inhibitor of norepinephrine reuptake than serotonin reuptake. Depression Initial: 20 mg Usual: 40 mg to 120 mg Max: 120 mg Limit dose to 80 mg in patients on a strong CYP3A4 inhibitor such as ketoconazole. Venlafaxine extended- Depression, GAD, Initial: 75 mg (37.5 mg for panic; option for depression release capsule social anxiety and GAD) (Effexor XR) disorder, panic disorder Usual: 75 mg to 225 mg (75 mg for social anxiety) Max: 225 mg (375 mg for severely depressed inpatients) Monitor blood pressure. Reduce dose by 25% to 50% in renal impairment. Reduce dose by 50% in hemodialysis patients. Reduce dose by at least 50% in hepatic impairment. Venlafaxine extended- Depression, social Initial: 75 mg (37.5 mg option for depression) release tablet anxiety disorder Usual: 75 to 225 mg (75 mg for social anxiety) Max: 225 mg (375 mg for severely depressed inpatients) As above. Antidepressants TCA • TCA: Tricyclic and tetracyclic Antidepressants – Increase levels of norepinephrine and/or serotonin but less selective than SSRI and SNRI • • • • • Drug Amitriptyline Amitriptyline (Elavil) Imipramine (Tofranil) Nortriptyline (Pamelor, Norpress) Doxepin (Sinequan) Desipramine (Norpramin) FDA-Approved Indication Depression Usual Adult Dose Contraindicated in acute post-MI period. Usual: 100 mg to 200 mg (elderly and adolescents, 25 mg to 100 mg) Max: 300 mg (150 mg elderly and adolescents) Contraindicated in acute post-MI period. TCA • • • • • • • Dry mouth Blurred vision Constipation Urinary retention Drowsiness Increased appetite Weight gain • Drop in blood pressure when moving from sitting to standing (lightheadedness) • Increased sweating Comments Initial: 50 mg to 100 mg Usual: 75 mg to 150 mg Max: 150 mg (300 mg inpatients) Desipramine (Norpramin) Depression Doxepin Depression, sleep Initial: 75 mg maintenance (Silenor) Usual: 75 mg to 150 mg Some patients may only need 40 mg or 50 mg daily (e.g., elderly or adolescent). Give once-daily doses at bedtime. Some patients may only need 25 mg or 50 mg daily. If given once daily, bedtime dosing preferred. Take Silenor within 30 min. of bedtime, and not within three hours of a meal. Max: 300 mg (divide doses >150 mg) Silenor: 3 to 6 mg (start with 3 mg if >65 years) Imipramine pamoate (Tofranil-PM) Depression Initial: 75 mg (100 mg to 150 mg, inpatient) Contraindicated in acute post-MI period. Usual: 75 mg to 150 mg (doses >100 mg usually not needed for elderly and adolescents) If given once daily, bedtime dosing is preferred. Not for initial dosing in adolescents or elderly. Max: 200 mg (300 mg inpatients) Imipramine hydrochloride (Tofranil) Nortriptyline Depression, childhood enuresis Depression Contraindicated in acute post-MI period. Initial: 75 mg (100 mg divided, inpatient; 25 mg to 50 mg adolescents and elderly) Usual: 50 mg to 150 mg* (doses >100 mg usually not needed for elderly and adolescents) Max: 200 mg* (300 mg* inpatients) *Divide doses>100 mg If given once daily, bedtime dosing preferred. Enuresis, initial, 25 mg at bedtime; max, lesser of 50 mg (75 mg if over 12 years old) or 2.5 mg/kg. Consider dividing dose (midafternoon and bedtime) for early evening bedwetters. Depression Usual: 75 mg (30 mg to 50 mg elderly and adolescent) Contraindicated in acute post-MI period. Max: 150 mg For daily doses >100 mg , monitor plasma levels (target 50 ng/mL to 150 ng/mL). 5 2/12/2015 Antidepressants NDRI • NDRI: Norepinephrine Dopamine Reuptake Inhibitor • Bupropion (Wellbutrin, Zyban) – Increase levels of norepinephrine and dopamine – Dopamine plays a major role in reward-motivated behavior Drug FDA-Approved Indication Anxiety Dry mouth Irritability Restlessness Shortness of breath Difficulty sleeping Headache Decreased appetite Constipation • Increased risk of seizures • Zyban is used for tobacco cessation Antidepressants • SARI: Serotonin-2 antagonist/serotonin reuptake inhibitor – Block serotonin receptors and inhibit the reuptake – Results in increased levels of serotonin Comments Depression Initial: 100 mg twice daily Contraindicated in patients with seizure Usual: 100 mg three times daily risk. Heed dosing instructions to minimize Max: 150 mg three times daily (75 mg risk of seizures. once daily, severe cirrhosis) Allow at least six hours between doses. Bupropion hydrochloride sustained release and extended-release (Wellbutrin SR, Wellbutrin XL, Zyban, Forfivo XL) Depression (Wellbutrin XL, Wellbutrin SR, Forfivo XL), seasonal affective disorder (Wellbutrin XL), smoking cessation (Zyban) Wellbutrin XL: Initial: 150 mg Usual: 300 mg Max: 450 mg NDRI • • • • • • • • • Usual Adult Dose Bupropion (Wellbutrin) Bupropion hydrobromide extended-release tablet (Aplenzin) Wellbutrin SR: Initial: 150 mg Usual: 150 mg twice daily Max: 200 mg twice daily Zyban: Initial: 150 mg Usual: 150 mg twice daily Max: 150 mg twice daily Depression, seasonal Initial: 174 mg affective disorder Usual: 348 mg Max: 522 mg Contraindicated in patients with seizure risk. Heed dosing instructions to minimize risk of seizures. Allow >8 hours between successive doses of Zyban or Wellbutrin SR, and at least 24 hours between successive doses of Wellbutrin XL. Max dose 150 mg every other day in severe cirrhosis (or 100 mg once daily, Wellbutrin SR). Forfivo XL only for up-titration from bupropion 300 mg/day. Contraindicated in patients with seizure risk. Dose in severe hepatic impairment: 174 mg every other day. SARI • Trazodone (Desyrel) • Nefazodone (Serzone) • Vilazodone (Viibryd) – similar, but only a partial agonist 6 2/12/2015 Drug SARI • • • • • • • • FDA-Approved Indication Trazodone (generics, Oleptro) Depression Initial: 150 mg in divided doses Vilazodone (Viibryd) Depression Initial: 10 mg Usual: 40 mg Max: 40 mg • Nefazodone has limited use due to risk of liver failure and death Sedation Headache Dizziness Weight changes Tremor Diarrhea Nausea Vomiting Usual Adult Dose Nefazodone (Serzone) Depression Comments Has been associated with priapism. Max: 400 mg (600 mg inpatient) Oleptro: Bedtime dosing in divided doses preferred. Oleptro: Initial: 150 mg Max: 375 mg Relatively high rate of gastrointestinal side effects. Use patient starter kit to aid titration. Initial: 100mg twice a day; increase by 100-200mg a day once a week Max: 600mg Antidepressants Start at 50mg twice a day in elderly patients. Taper to discontinue Contraindicated in hepatic disease NaSSA • Mirtazapine (Remeron) • NaSSA: Noradrenergic/Specific Serotonergic Agent – By blocking adrenergic receptors, these drugs enhance the adrenergic and serotonergic neurotransmission involved in mood regulation NaSSA • • • • • • • Sedation Dry mouth Increased appetite Weight gain Dizziness Increased triglycerides Abnormal dreams • Confusion • Increased liver enzymes Drug FDA-Approved Usual Adult Indication Dose Comments Mirtazapine (Remeron, Remeron SolTab) Depression Best taken at bedtime due to sedation Initial: 15 mg Max: 45 mg Also available as oral disintegrating tablets – do not crush or chew 7 2/12/2015 Antidepressants MAOI • • • • • MAOI: Monoamine Oxidase Inhibitors – Monoamine oxidase is involved in removing norepinephrine, serotonin, and dopamine from the brain – MAOIs prevent this removal, increasing the levels available in the brain MAOI Tranylcypromine (Parnate) Phenelzine (Nardil) Selegiline (Emsam) Isocarboxazid (Marplan) Drug FDA-Approved Indication Usual Adult Dose Comments Phenelzine (Nardil) Depression Initial: 15mg TID Start at 7.5mg TID in elderly patients Usual: 60-90mg TID or QID Taper gradually to stop Max: 90mg per day • Typically reserved for last line use due to drugfood interactions resulting in dangerously high blood pressure • Significant drug interactions • Dry mouth • Nausea • • • • • • • Diarrhea Constipation Headache Drowsiness Insomnia Dizziness Contraindicated in hepatic disease Tranylcypromine (Parnate) Depression Initial: 10mg TID for 2 weeks Increase by 10mg per day every 1 to 3 weeks Max: 60mg per day Taper gradually to stop Isocarboxazid (Marplan) Depression Initial: 10mg BID Increase by 10mg per day every 2 to 4 days Usual: 20-60mg BID to QID Taper gradually to stop Max: 60mg per day Contraindicated in severe renal disease Selegiline transdermal (Emsam) Depression Initial: 6mg/24 hour patch daily Skin irritation possible Max: 12mg/24 hour patch daily May increase by 3mg/24 hour patch every 2 weeks Do not cut patches Taper gradually to stop Antipsychotics Antipsychotics • Used to treat both schizophrenia and bipolar disorder • Aripiprazole, olanzapine, quetiapine approved for add-on therapy for depression • Others are used for several different offlabel use • Exact mechanism of action is unknown • Dopamine antagonists – reduce dopaminergic neurotransmission First Generation (Typical) Second & Third Generation (Atypical) • • • • • • • • • • • • • • • • • • • • Prochlorperazine (Compazine) Haloperidol (Haldol) Thiothixene (Navane) Pimozide (Orap) Fluphenazine (Prolixin) Loxapine (Loxitane) Thioridazine (Mellaril) Chlorpromazine (Thorazine) Perphenazine (Trilafon) Trifluoperazine (Stelazine) Aripiprazole (Abilify) Clozapine (Clozaril) Iloperidone (Fanapt) Ziprasidone (Geodon) Paliperidone (Invega) Risperidone (Riperdal) Asenapine (Saphris) Quetiapine (Seroquel) Olanzapine (Zyprexa) Lurasidone (Latuda) 8 2/12/2015 First Generation (Typical) Antipsychotics First Generation (Typical) Antipsychotics • Increased risk of extrapyramidal symptoms (EPS) – – – – • • • • • • Dystonia Akathisia Parkinsonism Tardive dyskinesia Drug FDAApproved Indication Prochlorperazine (Compazine) Schizophrenia Usual Adult Dose Haloperidol (Haldol) Psychosis Comments First Generation (Typical) Antipsychotics Usual: 5 to 10mg every 6 to 8 hours May increase by 5 to 10mg every 2 to 3 days Max: 150mg per day Discontinue if unexplained decrease in WBC Oral Initial: 0.5 to 2mg BID to TID for moderate symptoms; 3 to 5mg BID to TID for severe symptoms Use lowest effective dose Taper dose gradually to stop Max: 100mg per day If converting from oral greater than 100mg to IM injection, give balance in 3 to 7 days Dry mouth Muscle stiffness Muscle cramping Tremors Weight gain Neuroleptic malignant syndrome (NMS) Drug FDAApproved Indication Usual Adult Dose Comments Thioridazine (Mellaril) Refractory schizophrenia Initial: 50 to 100mg TID Discontinue if ANC <1000; consider discontinuation if unexplained decreases in WBC Usual: 200 to 800mg per day divided BID to QID Max: 800mg per day Chlorpromazine (Thorazine) Psychosis Mild to moderate symptoms Initial: 10 to 25mg TID; increase by 20 to 50mg per day after 1 to 2 days, then every 3 to 4 days Usual: 200 to 400mg divided TID to QID Max: 1000mg per day IM Injection - monthly Initial: 10 to 20x the oral dose Psychosis Initial: 2mg TID for mild to moderate symptoms; 5mg BID for severe symptoms Discontinue if ANC <1000; consider discontinuation if unexplained decrease in WBC Usual: 2 to 5mg BID to TID Severe symptoms (hospitalized) Initial: 25mg IM x1 dose, may repeat with 25 to 50mg in 1 hour; increase IM dose gradually over several days until symptoms controlled then switch to oral Usual: 200 to 800mg per day divided TID to QID Max: 400mg IM every 4 hours; 2000mg oral per day Max: 60mg in 24 hours Fluphenazine (Prolixin) Psychosis Oral Initial: 1 to 2.5mg daily divided every 6 to 8 hours Usual: 2.5 to 10mg daily divided every 6 to 8 hours Start low and titrate slowly in elderly Discontinue if ANC <1000; consider discontinuation if unexplained decreases in WBC Perphenazine (Trilafon) Schizophrenia Max: 40mg per day IM Injection every 3 to 6 weeks Initial: 1.25x oral daily dose or 12.5 to 25mg Usual: 12.5 to 100mg IM every 3 to 6 weeks Trifluoperazine (Stelazine) Max: 100mg per dose Loxapine (Loxitane) Psychosis Initial: 10mg BID, titrate over 7 to 10 days Usual: 60 to 100mg daily divided BID to QID Psychosis Anxiety Severely disturbed patients may require starting doses of 50mg per day in divided doses Discontinue if ANC <1000; consider discontinuation if unexplained decreases in WBC Initial: 4 to 8mg TID Use lower start doses in elderly Usual: 8 to 16mg BID to QID Use lowest, effective dose Max: 64mg per day Discontinue if ANC <1000; consider discontinuation if unexplained decreases in WBC Psychosis Initial: 1 to 2mg BID Usual: 2 to 5mg BID Max: 40mg per day Discontinue if ANC <1000; consider discontinuation if unexplained decreases in WBC Anxiety Usual: 1 to 2mg BID Max: 6mg per day for 12 weeks Max: 250mg daily Second & Third Generation (Atypical) • Less likely to cause EPS • Clozapine may be the most effective atypical antipsychotic, but its use is limited due to risk of agranulocytosis and extensive monitoring • Black box warnings for increased mortality risk in dementia-related psychosis Discontinue if ANC <1000; consider discontinuation if unexplained decreases in WBC Severe symptoms (non-hospitalized) Initial: 25mg IM x1 dose, may repeat in 1 hour, then 25 to 50mg oral TID; may increase by 25 to 50mg per day after 1 to 2 days then every 3 to 4 days Usual: 200 to 600mg divided TID to QID Max: 1000mg per day Max: 450mg per month Thiothixene (Navane) Start lower/titrate slower in elderly patients Second & Third Generation (Atypical) • • • • • • • Sedation Orthostatic hypotension Weight gain Hyperglycemia/ risk of developing diabetes Lipid abnormalities Cardiac effects (QT prolongation) Drug interactions 9 2/12/2015 Drug FDA-Approved Indication Usual Adult Dose Comments Aripiprazole (Abilify) Schizophrenia Periodically reassess need for treatment Bipolar S (Oral): 10 to 15mg daily; Max 30mg daily (IM): 400mg IM every 4 weeks; 300mg in poor metabolizers Depression (adjunct) B (Oral): 15mg daily; Max 30mg daily Clozapine Also available as orally disintegrating tablets D (Oral): 2 to 5mg daily; Max 15mg daily • Patient, prescriber, and pharmacy all must be registered with a clozapine registry prior to dispensing • Requires monitoring of labs and reporting to the registry (WBC and ANC) – – – – Baseline Weekly for 6 months Every 2 weeks for 6 months Every 4 weeks thereafter IF results are normal Drug FDA-Approved Indication Usual Adult Dose Comments Risperidone (Riperdal) Schizophrenia S: Oral: 1 to 4mg daily divided up to BID; Max 16mg per day B: Oral: 2 to 3mg daily; Max 6mg per day Renal and hepatic impairment adjustment necessary Periodically reassess need for treatment Bipolar S: IM: 25mg IM every 2 weeks: Max 50mg IM every 2 weeks B: IM: 25mg IM every 2 weeks; Max 50mg IM every 2 weeks Asenapine (Saphris) Quetiapine (Seroquel) See previous monitoring requirements Re-titrate from 12.5mg daily if treatment is interrupted for more than 2 days, taper over 1 to 2 weeks to discontinue Iloperidone (Fanapt) Schizophrenia Initial: 1mg BID x1 day, then 2mg BID x1 day, then increase by 2mg BID until target dose Usual: 6 to 12mg BID Max: 24mg daily Periodically reassess need for treatment Ziprasidone (Geodon) Schizophrenia S: 20mg BID; Max 80mg BID Periodically reassess need for treatment Bipolar B: 40 to 80mg BID: Max 80mg BID Take with food No supplementation needed with hemodialysis Paliperidone (Invega) Schizophrenia Schizoaffective disorder (SAD) S: Oral: 6mg daily; Max 12mg daily SAD: Oral: 6mg daily; Max 12mg daily Titrate oral doses no more than 3md/day every 4 to 5 days S: IM: 234mg IM on day 1, 156mg on day 8, 117mg every 4 weeks; Max: 234mg every month SAD: IM: 234mg IM on day 1, 156mh on day 8, 78 to 234mg every 4 weeks Adjust IM dose monthly as needed See package insert for oral to IM or other agent conversion and for missed injections Drug FDA-Approved Indication Usual Adult Dose Comments Olanzapine (Zyprexa) Schizophrenia S:Oral: Initial: 5 to 10mg daily, may increase by 5mg per day weekly Usual: 10mg daily Max: 20mg daily IM: Initial: Based on conversion from oral dose Usual: Based on conversion from oral dose Max: 300mg every 2 weeks or 405mg every 4 weeks Start at 2.5 to 5mg daily in nonsmokers, elderly, debilitated, or female patients or if at risk for low blood pressure Bipolar Depression (adjunct with fluoxetine) Periodically reassess need for treatment Available in combination with fluoxetine (Symbyax) B (acute depressive – with fluoxetine): Initial: 5mg daily Usual: 5 to 12.5mg daily Max: 20mg daily Also available as oral disintegrating tablets – do not cut/crush/chew D (with fluoxetine): Initial: 5mg daily Usual: 5 to 20mg daily Max: 20mg daily No supplementation needed in hemodialysis Avoid use in severe hepatic dysfunction Start with 25mg daily in elderly or debilitated patients A: 10mg IM x 1 dose; Max 30mg per day May repeat dose 2 hours after initial dose x1, then 4 hours after 2nd dose x1 as needed. May also give lower doses of 2.5 to 7.5mg, change to oral version ASAP Sublingual tablets – do not cut/crush/chew Bipolar B: 5 to 10mg BID Periodically reassess need for treatment Bipolar Initial: 12.5mg daily/BID; increase by 25-50mg daily Usual: 150 to 300mg divided BID Max: 900mg per day B (manic/mixed): Initial: 10 to 15mg daily Usual: 5 to 20mg daily Max: 20mg daily S: 5 to 10mg BID S: Initial: 25mg BID up to 300-400mg daily Usual: 150 to 750mg daily divided BID to TID Max: 800mg per day Treatment resistant schizophrenia When starting IM injection overlap with oral x3 weeks Use 12.5mg IM injection if clinically warranted Also available as sublingual tablets Schizophrenia Schizophrenia Clozapine (Clozaril) Agitation (schizophrenia or bipolar associated) Caution advised in hepatic impairment Dose adjustment necessary for hepatic impairment Major depressive disorder (adjunct) B (manic): Initial: 50mg BID Usual: 200 to 400mg BID Max: 800mg per day Periodically reassess need for treatment Also available in XR tablets B (acute depressive): Initial: 50mg QHS x1, 100mg QHS x1, 200mg QHS x1, 300mg QHS Usual: 300mg QHS Max: 600mg per day(dose over 300mg rarely effective) Bipolar • Mood stabilizers are the cornerstone of medication therapy • Antipsychotics (alone or in combination with mood stabilizers) are commonly used • Several medications have limited use due to side effects • Consider required lab monitoring Lurasidone (Latuda) Schizophrenia Bipolar S: Initial: 40mg daily Usual: 40 to 160mg daily Max: 160mg daily Take with food Requires both renal and hepatic impairment dose adjustments B (acute depressive): Initial: 20mg daily Usual: 20 to 120mg daily Max: 120mg daily Can be used as monotherapy or as adjunct; doses over 80mg daily rarely effective as monotherapy Bipolar • Lithium (Eskalith, Lithobid) • Lamotrigine (Lamictal, Lamictal XR) • Valproate (Depakene, Depakote, Depakote ER, Depakote DR, Depakote Sprinkles, divalproex sodium) • Carbamazepine* (Carbatrol, Equetro, Tegretol, Tegretol XR) • Oxcarbazepine* (Trileptal) • Gabapentin* (Neurontin) • Topiramate* (Topamax) 10 2/12/2015 Drug Usual Adult Dose Comments Lithium Bipolar/acute manic IR: 1800mg daily, divided TID Max: 2400mg daily Available in immediate release and extended release forms – do not crush/cut/chew ER form Adjust dose every 4 to 7 days based on response and serum levels Requires dose adjustment for renal impairment Drug interactions: NSAIDs may increase lithium levels/risk of toxicity Bipolar • Lithium: exact mechanism unknown – alters neuronal sodium transport • Lamotrigine: also used for seizure disorders; exact mechanism unknown – inhibits voltage-dependent sodium channels • Valproate: also used for seizure disorders; exact mechanism unknown – increases GABA effects Drug Usual Adult Dose Comments Valproate Bipolar/acute manic DR form Initial: 250mg TID – may increase rapidly to lowest effective dose Usual: 250 to 500mg TID Max: 60mg/kg/day Several products – they are NOT bioequivalent ER form Initial: 25mg/kg daily – may increase rapidly to lowest effective dose Usual: 25 to 60mg/kg daily Max: 60mg/kg/day Quetiapine Bipolar I/manic Initial: 50mg BID then increase by 100mg per day up to 200mg BID by day 4, then increase by 200mg daily as needed Usual: 200 to 400mg BID Max: 800mg daily Bipolar/acute depressive Initial: 50mg QHS x1, 100mg QHS x1, 200mg QHS x1, 300mg QHS Usual: 300mg QHS Max: 600mg per day – doses >300mg rarely more effective ER: 1800mg daily, divided BID to TID Max: 1800mg daily IR: start with 600 to 900mg daily divided BID to TID, may increase by 300mg per day once a week until 1200mg per day, then may increase by 150 to 300mg per day once a week Bipolar/maintenance IR: 900 to 1200mg daily divided TID to QID Max: 2400mg per day ER: start with 900mg daily divided BID to TID, may increase by 300mg per day once a week ER: 900 to 1200mg daily divide BID to TID Max: 1800mg per day Lamotrigine Bipolar I/maintenance Monotherapy: Initial: 25mg daily for 2 weeks, 50mg daily for 2 weeks, 100mg daily for 1 week Usual: 200mg daily Max: 200mg daily Available in regular release and ER form Rare, but serious rashes can occur Taper doses to start and when discontinuing the drug Requires dose adjustment for both renal and hepatic impairment Valproate adjunct: Initial: 25mg every other day for 2 weeks, 25mg daily for 2 weeks, 50mg daily for 1 week Usual: 100mg daily Max: 100mg daily Combo with carbamazepine/ phenytoin/ phenobarbital/ primidone: Initial: 50mg daily for 2 weeks, 50mg BID for 2 weeks, 100mg BID for 1 week, 150mg BID for 1 week Usual: 200mg BID Max: 400mg per day Combo with other agents: Initial: 25mg daily for 2 weeks, 50mg daily for 2 weeks, 100mg daily for 1 week Usual: 200mg daily Max: 200mg daily Drug Usual Adult Dose Comments Olanzapine Bipolar I/manic or mixed Monotherapy Initial: 10 to 15mg daily, adjust by 5mg per day as needed Usual: 5 to 20mg daily Max: 20mg per day For acute and maintenance: Start 5mg daily in non-smoker, elderly, debilitated or female patients, or if hypotension risk Periodically reassess need for treatment Discontinue if ANC <1000; consider stopping if unexplained decrease in WBC Increase total daily dose by 8 to 20% if switching from DR tablets to ER tablets ER form: Do not cut/crush/chew Contraindicated with significant hepatic impairment Decrease start dose and titrate slowly in elderly patients Adjust dose based on treatment response and serum levels Take with food Taper dose gradually to discontinue IM injection available for acute agitation Valproate or lithium adjunct Initial: 10mg daily, adjust by 5mg per day as needed Usual: 5 to 20mg daily Max: 20mg per day For acute depressive – use with fluoxetine Bipolar I/acute depressive Initial: 5mg QPM Usual:5 to 12.5mg QPM Max: 20mg per day Adjust dose for hepatic impairment For acute monotherapy or acute or maintenance lithium or valproate adjunct: start 25mg QPM in elderly or debilitated then increase by 25 to 50mg per day Periodically reassess need for treatment Discontinue if ANC <1000; consider stopping if unexplained decrease in WBC Lurasidone Bipolar I/acute depressive Initial: 20mg daily Usual: 20 to 120mg daily Max: 120mg daily Give with food Adjust dose for both renal and hepatic impairment For monotherapy or valproate or lithium adjunct: doses >80mg per day are rarely more effective as monotherapy Aripiprazole Bipolar I/manic, mixed Monotherapy Initial: 15mg daily Usual: 15mg daily Max: 30mg daily Periodically reassess need for treatment Discontinue if ANC <1000; consider stopping if unexplained decrease in WBC Anxiety • Treatment includes both pharmacotherapy and psychological therapy either alone or in combination • Treatment depends on several factors • Start low and go slow no matter what agent is being used in order to minimize side effects IM injection available for acute agitation Valproate or lithium adjunct Initial: 10 to 15mg daily Usual: 15mg daily Max: 30mg daily Anxiety • • • • • • • SSRI SNRI Benzodiazepines Buspirone Antihistamines Antipsychotics Mood stabilizers 11 2/12/2015 Anxiety Anxiety Disorder First-Line Agents Second-Line Agents Generalized Anxiety Disorder SSRI or SNRI Buspirone (Buspar; monotherapy or adjunct) Slower onset and considered less effective than benzodiazepines, but no abuse potential. Bupropion XL 150 mg once daily, increased to 300 mg once daily Hydroxyzine • Benzodiazepines: enhance GABA effects • Buspirone: exact mechanism unknown; binds to serotonin and dopamine receptors • Antihistamines: hydroxyzine has some serotonergic activity Imipramine10 to 25 mg once daily, titrated to 50 to 100 mg total daily dose Avoid in patients at risk of suicide. Pregabalin (Lyrica; monotherapy or adjunct) Good evidence of efficacy compared to other second-line agents but side effects may limit use (e.g., drowsiness, dizziness, weight gain, sexual dysfunction, abuse potential) Efficacy may plateau at 300 to 450 mg total daily dose. Renal dose adjustment needed. Onset as early as one week. Quetiapine SR 150 mg once daily Vortioxetine (Brintellix) (5 to 10 mg once daily effective in some studies) Benzodiazepine Panic Disorder SSRI or venlafaxine XR Mirtazapine (Remeron) 7.5 mg once daily, increased to 15 to 30 mg after seven days. Max dose 45 mg once daily. TCAs Benzodiazepine Anxiety Disorder First-Line Agents Obsessive-Compulsive SSRI Disorder Second-Line Agents Aripiprazole (adjunct) 10 mg once daily Clomipramine Insomnia Mirtazapine Quetiapine (adjunct) up to a total daily dose of 600 mg • Difficulty falling asleep (sleep latency) • Difficulty staying asleep (sleep maintenance) • May not feel rested (sleep quality) • Transient (lasts days to weeks) • Chronic (occurring nightly for greater than six months) Risperidone (adjunct) 2 to 4 mg total daily dose Topiramate (adjunct) May be more effective for compulsions than obsessions Titrate over eight weeks from 25 mg daily to 400 mg max total daily dose. Venlafaxine XR Social Anxiety Disorder SSRI or venlafaxine XR Gabapentin 300 mg twice daily, titrated to 900 to 3600 mg total daily dose. Renal dose adjustment needed. Buspirone (adjunct) Pregabalin Efficacy may require 600 mg total daily dose. Renal dose adjustment needed. Side effects may limit use (e.g., drowsiness, dizziness, weight gain, sexual dysfunction, abuse potential). Benzodiazepine Post-Traumatic Stress Disorder SSRI or venlafaxine XR Mirtazapine Eszopiclone (Lunesta; adjunct for sleep) Olanzapine (adjunct; consider for hyperarousal and re-experiencing) Risperidone (adjunct; consider for hyperarousal and re-experiencing) Drug Usual Adult Dose Comments Diphenhydramine Avoid use 25 to 50mg Poor evidence of efficacy Anticholinergic side effects can occur (dry mouth, confusion, double vision, urinary retention, wandering thoughts, visual disturbances, orthostatic hypotension) Can become tolerant Doxylamine Avoid use 25mg Poor evidence of efficacy Anticholinergic side effects can occur Doxepin (Silenor) 3 to 6mg Approved for insomnia, to improve sleep maintenance Increases sleep time by about 30 minutes Dose-dependent risk of cardiovascular and anticholinergic side effects Mirtazapine (Remeron) 15mg Off-label use Increased risk of restless leg syndrome and periodic limb movement in sleep Some evidence on reducing insomnia in depression, especially early in treatment Less anticholinergic activity compared to doxepin Trazodone 25 to 150mg Off-label use Limited efficacy data, especially in primary insomnia Less anticholinergic activity compared to doxepin Can cause priapism, even at low doses Estazolam 0.5 to 2mg Approved for insomnia, to improve sleep onset and maintenance Drug interactions (contraindicated with azole antifungals) Duration of 6 to 10 hours Flurazepam (Dalmane) 15 to 30mg Approved for insomnia, to improve sleep onset and maintenance Avoid use in the elderly (active metabolite with a long half-life) Duration of 10 to 20 hours (potential for daytime drowsiness) Nonprescription drugs Insomnia • Non-pharmacologic interventions – Sleep hygiene • • • • • Nonprescription options Benzodiazepines Antidepressants Sedative hypnotics: enhance GABA effects Ramelteon: binds to melatonin receptors Antidepressants Benzodiazepines 12 2/12/2015 Drug Usual Adult Dose Comments Drug Usual Adult Dose Comments Lorazepam (Ativan) 0.25 to 4mg Off-label use Generally used for secondary insomnia (due to anxiety) Useful to improve sleep maintenance but not onset Zolpidem (Ambien) 5 to 10mg Approved for short-term treatment of insomnia to improve sleep onset Lower risk of dependence than benzodiazepines Delayed onset if taken with or immediately after a meal Duration about 8 hours Oxazepam (Serax) 10 to 30mg Off-label use May be effective for sleep onset Zolpidem CR (Ambien CR) 6.25 to 12.5mg Quazepam (Doral) 7.5 to 15mg Approved for insomnia, to improve sleep onset and maintenance Avoid use in elderly due to long half-life Duration of 10 to 20 hours (potential for daytime drowsiness) Approved for insomnia to improve sleep onset and maintenance Not limited to short-term use No clinical advantage compared to the regular release Delayed onset if taken with or immediately after a meal Duration about 8 hours Temazepam (Restoril) 7.5 to 30mg Approved for short-term treatment of insomnia to improve sleep onset and maintenance Better choice for use in the elderly Duration of 6 to 10 hours Zolpidem sublingual (Edluar) 5 to 10mg Triazolam (Halcion) 0.125 to 0.5mg Approved for short-term treatment of insomnia Concurrent use with 3A4 inhibitors such as azole antifungals and HIV protease inhibitors contraindicated Avoid use in elderly due to risk of cognitive and behavioral side effects Duration 2 to 5 hours Approved for short-term treatment to improve sleep onset Do not swallow whole or take with water – let dissolve under the tongue Delayed onset if taken with or immediately after a meal Duration about 8 hours Zolpidem sublingual (Intermezzo) 1.75 (women)/ 3.5mg(men) Approved for insomnia associated with middle-of-the-night awakening Taken only if there are at least 4 hours remaining before planned wake time Do not swallow whole – let dissolve under the tongue Delayed onset if taken with or immediately after a meal Duration about 4 hours Zolpidem oral spray (Zolpimist) 5 to 10mg Approved for short-term treatment of insomnia to improve sleep onset Delayed onset if taken with or immediately after a meal Duration about 8 hours Zaleplon (Sonata) 5 to 20mg Approved for short-term treatment of insomnia to improve sleep onset Low-weight patients may respond to 5mg No apparent withdrawal symptoms, daytime anxiety, sedation, or psychomotor impairment Rebound insomnia more likely with higher doses Lower risk of dependency compared to benzodiazepines Delayed onset if taken with or immediately after a meal Duration about 4 hours Non-benzodiazepine Sedative Hypnotics Eszopiclone (Lunesta) 1 to 3mg Ramelteon (Rozerem) 8mg Approved for insomnia to improve sleep onset and maintenance Not limited to short-term use Dose should not exceed 2mg in those taking strong 3A4 inhibitors Delayed onset if taken with or immediately after a meal Can cause metallic aftertaste Duration about 8 hours Approved for insomnia to improve sleep onset Not limited to short-term use Melatonin receptor agonist Not a controlled substance Contraindicated with fluvoxamine Delayed onset if taken with or immediately after a meal Duration about 8 hours Learning Assessment • TRUE/FALSE: Major Depressive Disorder requires three or more major depressive episodes. • To be diagnosed with schizophrenia, how long must symptoms be present? • What are the three types of bipolar disorder? Learning Assessment • Symptoms of _______ cluster around excessive, irrational fear and dread. • List the classes of drugs used to treat depression, schizophrenia, bipolar, and anxiety. • TRUE/FALSE: The classes of medications covered today generally work on neurotransmitters in the brain. Learning Assessment • TRUE/FALSE: Citalopram 80mg daily is a typical dose used to treat depression. • _________ requires the patient, prescriber, and pharmacy to be registered prior to dispensing. 13 2/12/2015 References 1. Substance Abuse and Mental Health Services Administration, Results from the 2012 National Survey on Drug Use and Health: Mental Health Findings, NSDUH Series H-47, HHS Publication No. (SMA) 13-4805. Rockville, MD: Substance Abuse and Mental Health Services Administration, 2013. 2. Center for Substance Abuse Treatment. Managing Depressive Symptoms in Substance Abuse Clients During Early Recovery. Rockville (MD): Substance Abuse and Mental Health Services Administration (US); 2008. (Treatment Improvement Protocol (TIP) Series, No. 48.) Appendix D—DSM-IV-TR Mood Disorders. Available from: http://www.ncbi.nlm.nih.gov/books/NBK64063/. 3. American Psychiatric Association. Schizophrenia Fact Sheet. DSM5.org. http://www.dsm5.org/Documents/Schizophrenia%20fact%20Sheet.pdf. Accessed January 2, 2015. 4. Substance Abuse and Meatal Health Services Administration. Mental Disorders. SAMHSA.gov. http://www.samhsa.gov/disorders/mental. Last updated October 10, 2014. Accessed January 2, 2015. 5. National Institute of Mental Health. Anxiety Disorders. National Institutes of Health. http://www.nimh.nih.gov/health/topics/anxietydisorders/index.shtml. Accessed January 2, 2015. 6. Pharmacist’s Letter. Comparison of Antidepressants. Pharmacist’s Letter 2013; 29(12): 291206. http://pharmacistsletter.therapeuticresearch.com/pl/ArticleDD.aspx?rn=2&cs=NONMP&s=PL&pt=2&fpt=31&dd=291206&pb=PL&cat=4424 &segment=6383. Accessed January 3, 2015. 7. Epocrates Essentials Version 14.11.1. Last Updated January 3, 2015. Accessed January 3, 2015. 8. Pharmacist’s Letter. Pharmacotherapy of Bipolar Disorder in Adults. Pharmacist’s Letter. 2011; 27(6): 270603. http://pharmacistsletter.therapeuticresearch.com/pl/ArticleDD.aspx?rn=2&cs=NONMP&s=PL&pt=2&fpt=31&dd=270603&pb=PL&cat=4477 &segment=3370. Updated December 2014. Accessed January 3, 2015. 9. Pharmacist’s Letter. Pharmacotherapy of Anxiety Disorders. Pharmacist’s Letter. 2014: 30(10): 301006. http://pharmacistsletter.therapeuticresearch.com/pl/ArticleDD.aspx?nidchk=1&rn=2&cs=NONMP&s=PL&pt=2&fpt=56&dd=301006&pb=PL &segment=7553. Accessed January 3, 2015. 10. Pharmacist’s Letter. Comparison of Insomnia Treatments. Pharmacist’s Letter 2014; 30(7): 300709. http://pharmacistsletter.therapeuticresearch.com/pl/ArticleDD.aspx?nidchk=1&rn=2&cs=NONMP&s=PL&pt=2&fpt=31&dd=300709&pb=PL &cat=4477&segment=7197. Accessed January 3, 2014. 14