ETOH3- 17C Flashcards

1
Q

What are the FDA approved treatments for alcohol dependence?

A
  • Disulfuram
  • Acamprosate
  • Naltrexone PO
  • Naltrexone IM monthly
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2
Q

Compared to number of people with alcohol use disorder, about how many are receiving medications treatment

A

-less than 100,000

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3
Q

What is the recommendation by NIAA regarding medication treatment for severe alcohol use disorder>

A

-medication treatment is the GOLD STANDARD given the relatively high relapse rates associated with psycho social support alone (50% at 12 months, 90% at 48 months)

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4
Q

Which enzyme is inhibited by disulfiram?

A

ALDEHYDE Dehydrogenase

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5
Q

Name the potentially serious side effects of disulfiram

A
  • hepatitis
  • peripheral neuropathy
  • optic neuritis
  • depression or psychotic disorder or exascerbation
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6
Q

What are necessary precautions when prescribing disulfiram

A
  • ALWAYS check LFT’s
  • use in motivated and reliable pts only
  • warn pts regarding cologne, use of alcohol swipes, mouthwashes
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7
Q

Contraindications to Disulfiram

A
  • use of alcohol-containing products or paraldehyde within 14 days
  • recent use of metronidazole (also inhibits aldhyde dehydrogenase)
  • severe CAD
  • psychosis
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8
Q

The symptoms of acute alcohol withdrawal are related to overactivity of:

A

GLUTAMATE

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9
Q

Which of the medications used for treatment of alcohol use disorder is CONTRAINDICATED in pts with advanced renal disease (CrCl < 30)?

A

ACAMPROSATE

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10
Q

Most common side effect of acamprosate?

A

GI upset

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11
Q

Describe the mechanism of action of acamprosate

A
  • decrease presynaptic release of glutamate

- block post synaptic NMDA receptors

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12
Q

Main metabolic advantage of acamprosate

A
  • renally cleared

- therefore, safe for use in pts with liver disease and no significant drug-drug interactions

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13
Q

Naltrexone exerts its mechanism of action by acting primarily as

A

OPIOID ANTAGONIST

-blocks rewarding effects of alcohol

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14
Q

Adverse effects of Naltrexone

A

-nausea, headaches, dizziness and fatigue, sleepiness (all less than 10% in studies)

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15
Q

Name the contraindications for Naltrexone

A
  • concomitant or recent use of opioids
  • hypersensitivity to naltrexone
  • liver failure or acute hepatitis
  • CAUTION: history of suicide attempts
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16
Q

What is one metabolic advantage of IM naltrexone

A

-because IM, reduction in first pass metabolism, therefore less medication reactions

17
Q

Other considerations in prescribing naltrexone

A
  • medical alert card carried at all times

- alternative emergency pain management that does not include opioids