Pharmacotherapy of Bipolar Disorders Flashcards

1
Q

Bipolar Disorders

A
  • Bipolar I Disorder: Mania (and usually major depression)
  • Bipolar II Disorder: Hypomania and Major Depression
  • Cyclothymic Disorder: subthreshold hypomania and subthreshold depression
  • Substance/Medication Induced Bipolar Disorder
  • Bipolar Disorder due to another medical condition
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2
Q

Mania

A
  • Distinct period
  • Abnormal and persistent
  • Elevated, expansive, or irritable mood
  • Increased activity or energy
  • 1 Week (or any duration if hospitalization needed)
  • Most of the day nearly every day
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3
Q

Mania Symptoms

A
  • Inflated self-esteem or grandiosity
  • Decreased need for sleep
  • More talkative than usual/pressured speech
  • Flight of ideas/racing thoughts
  • Distractability
  • Increased goal directed activity
  • Excessive involvement in high risk activity: buying sprees, sex, foolish investments
  • Marked impairment or hospitalization or psychosis
  • Exclude other causes
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4
Q

Hypomania

A

Mania Criteria Except

  • 4 days
  • Unequivocal change in functioning
  • Observable by others
  • Not severe enough to cause impairment or hospitalization
  • No psychosis
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5
Q

Specifiers

A
  • Rapid Cycling: 4 or more distinct mood episodes per year
  • Mixed Features: presence of depressive symptoms in mania or vice versa
  • With Psychotic Fetures
  • With Anxious Distress
  • Seasonal Pattern
  • Peripartum Onset
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6
Q

Screening for Bipolar Disorders

A
  • MDQ >= 7 (Sensitivity 58%, Specificity 93%)
  • Self Report Scale
  • > =7 symptoms occuring at same time
  • Moderate or serious
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7
Q

Acute Phase Treatment Goals

A
  • 1-3 months
  • Non-response: <25% reduction in symptoms
  • Partial Response: 25-50% reduction in symptoms
  • Response: >50% reduction in symptoms
  • Remission: Absence of mood symptoms for over 2 months
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8
Q

Maintenance Phase Treatment Goals

A
  • 3 months - lifetime

- Prevent relapse to any mood episode

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9
Q

Bipolar Disorder Treatments

A
  • Bipolar Mania: Medication SMD 0.42
  • Bipolar Depression: Medication SMD 0.24
  • Bipolar Maintenance: Medication SMD 0.41
  • Psychotherapy: not for monotherapy, possibly effective for augmentation
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10
Q

First Generation Antipsychotics (D2 Antagonist)

A
  • High Potency: Haloperidol*, Fluphenazine
  • Mid Potency: Perphenazine
  • Low Potency: Chlorpromazine, Thioridazine*
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11
Q

Second Generation Antipsychotics (D2/5HT2 Antagonist)

A
  • High Potency: Risperidone, Olanzapine, Asenapine, Paliperidone, Iloperidone
  • Mid Potency: Ziprasidone*, Lurasidone
  • Low Potency: Quetiapine, Clozapine
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12
Q

Second Generation Antipsychotics (D2 Partial Agonist/5HT2 Antagonist)

A
  • Aripiprazole
  • Brexpiprazole
  • Cariprazine
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13
Q

Theories of Atypicality

A
  • Minimal Neuroleptic Potential: Clozapine, Quetiapine
  • 5HT2 Antagonism/D2 Disinhibition: all second generation
  • Fast Off/Kiss-and-Go: Clozapine, Quetiapine, Olanzapine
  • D2 Partial Agonism: Aripiprazole, Brexpiprazole, Cariprazine
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14
Q

Antiepileptics

A
  • Valproic Acid/Divalproex 25-60 mg/kg/day
  • Carbamazepine 400-800 mg PO BID
  • Lamotrigine 200 mg PO QD

Monitoring

  • Baseline: CBC, Chem7, LFTs, lipase, HCG
  • Follow-up: Troughs and the baselines
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15
Q

Lithium

A
  • 900-1800 mg/day
  • Conduction blocks, delirium, ataxia, coma, seizures, death at toxicity

Monitoring

  • Baseline: Chem7, Ca+, TSH, HCG
  • Follow-up: Baselines and trough levels
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16
Q

Strong Suicide Risk Factors

A
  • History of attempts
  • Age >65 y.o.
  • <5 years since psychiatric hospital discharge
  • Severe pain
17
Q

Moderate Suicide Risk Factors

A
  • Access to firearms
  • PHQ-9 question 9
  • Prior psychiatric hispitalization
  • High dose benzos
  • Hopelessness
  • Seizure disorder
  • Alcohol abuse
  • Manic depressive disorder
  • Family history of suicide
18
Q

Weak Suicide Risk Factors

A
  • Depressive disorder
  • Anxiety disorder
  • CHF
  • COPD
  • Moderate pain
  • Ever prescribed a benzo
  • Male sex
  • White race
19
Q

Ideal Mood Stabilizer

A
  • Treats all phases of bipolar disorder

- Includes acute mania/depression and maintenance

20
Q

Ideal Mood Stabilizer Examples

A
  • Olanzapine/Fluoxetine
  • Olanzapine
  • Quetiapine
  • Valproate
  • Lithium + Valproate
  • Lithium (?)
  • ECT (probably)
21
Q

Antiepileptics + Lithium

A
  • Inhibits phosphoinositide hydrolysis
  • Inhibits glycogen synthase kinase
  • Inhibits histone deacetylases
  • Decreases PKC Activity
  • Facilitates GABA transmission
22
Q

Bipolar Depression Treatments

A
  • Olanzapine/Fluoxetine
  • Valproate
  • Quetiapine
  • Lurasidone
  • Olanzapine

Off-Label
-Augmentation of mood stabilizer: Armodafinil or pramipexole

23
Q

Weight Gain + Antipsychotics

A
  • Olanzapine
  • Gabapentin
  • Amitriptyline
  • Mirtazapine
  • Quetiapine
  • Risperidone
24
Q

Weight Loss + Antipsychotics

A
  • Topiramate
  • Buproprion
  • Fluoxetine
25
Q

Bipolar Medications + Preggo/BF

A
  • Lithium: Category D, excreted in breast milk, heart defects
  • Valproate: Category D, excreted in breast milk, neural tube defects
  • Carbamazepine: Category D, excreted in breast milk, facial dysmorphism and fingernail hypoplasia
  • Lamotrigine: Category C, excreted in breast milk
  • Antipsychotics: Category C, excreted in breast milk, low birth weight
  • ECT: SAFE in pregnancy