ETOH3- 17C Flashcards
What are the FDA approved treatments for alcohol dependence?
- Disulfuram
- Acamprosate
- Naltrexone PO
- Naltrexone IM monthly
Compared to number of people with alcohol use disorder, about how many are receiving medications treatment
-less than 100,000
What is the recommendation by NIAA regarding medication treatment for severe alcohol use disorder>
-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)
Which enzyme is inhibited by disulfiram?
ALDEHYDE Dehydrogenase
Name the potentially serious side effects of disulfiram
- hepatitis
- peripheral neuropathy
- optic neuritis
- depression or psychotic disorder or exascerbation
What are necessary precautions when prescribing disulfiram
- ALWAYS check LFT’s
- use in motivated and reliable pts only
- warn pts regarding cologne, use of alcohol swipes, mouthwashes
Contraindications to Disulfiram
- use of alcohol-containing products or paraldehyde within 14 days
- recent use of metronidazole (also inhibits aldhyde dehydrogenase)
- severe CAD
- psychosis
The symptoms of acute alcohol withdrawal are related to overactivity of:
GLUTAMATE
Which of the medications used for treatment of alcohol use disorder is CONTRAINDICATED in pts with advanced renal disease (CrCl < 30)?
ACAMPROSATE
Most common side effect of acamprosate?
GI upset
Describe the mechanism of action of acamprosate
- decrease presynaptic release of glutamate
- block post synaptic NMDA receptors
Main metabolic advantage of acamprosate
- renally cleared
- therefore, safe for use in pts with liver disease and no significant drug-drug interactions
Naltrexone exerts its mechanism of action by acting primarily as
OPIOID ANTAGONIST
-blocks rewarding effects of alcohol
Adverse effects of Naltrexone
-nausea, headaches, dizziness and fatigue, sleepiness (all less than 10% in studies)
Name the contraindications for Naltrexone
- concomitant or recent use of opioids
- hypersensitivity to naltrexone
- liver failure or acute hepatitis
- CAUTION: history of suicide attempts