Agents for Nausea and Vomiting - specific applications Flashcards
What Serotonin Receptor Antagonist is used to treat IBS-D?
Alosetron
Adverse effects of Serotonin Receptor Antagonists?
Serotonin Syndrome - occurs with other 5HT drugs
Dose-Dependent QT prolongation (Torsades)
What is the most worrisome Serotonin Receptor Antagonist adverse effect and when should you used extra caution?
Dose-Dependent QT prolongation (Torsades)
- When patients are taking other antiarrhythmic drugs or have hypokalemia/hypomagnesemia
When should you use extra caution with Serotonin Receptor Antagonists to avoid Dose-Dependent QT prolongation?
When patients are taking other antiarrhythmic drugs or have hypokalemia/hypomagnesemia
What Serotonin Receptor Antagonist drug specifically, has the highest risk to cause QT prolongation?
Dolasetron
Which Serotonin Receptor Antagonists are effective SINGLE dose agents for delayed chemo N/V?
Palonosetron
Granisetron
When are Neurokinin1 Receptor Antagonists the most effective?
When used in combination with other agents to treat chemo-induced N/V
When are Neurokinin1 Receptor Antagonists the most effective?
When used in combination with other agents to treat chemo-induced N/V
Which NK1 Receptor Antagonists have the most active metabolites and longer half lives?
Netupitant
Rolapitant
Initial pregnancy N/V treatment?
Doxylamine + B6
H1 receptor antagonist
Initial pregnancy N/V treatment?
Doxylamine + B6
H1 receptor antagonist
Adverse effects of Histamine1 Receptor Antagonists?
Anticholinergic:
- Drowsy, blurred vision, low BP
- Constipation and urinary retention
Adverse effects of Histamine1 Receptor Antagonists?
Anticholinergic:
- Drowsy, blurred vision, low BP
- Urinary retention, constipation
What is the only indication to use Meclizine and Cyclizine?
Motion sickness/vertigo
What is the only indication to use Meclizine and Cyclizine?
Motion sickness/vertigo
Which Histamine1 Receptor Antagonists are used to treat motion sickness/vertigo?
Meclizine
Cyclizine
What Dopamine (D2) Receptor Antagonist is used ONLY for Post-op N/V?
Amisulpride
Amisulpride is only used for?
Post-op N/V
D2 receptor antagonist
Amisulpride is only used for?
Post-op N/V
D2 receptor antagonist
What Dopamine (D2) Receptor Antagonist can also enhance GI motility/treat gastroparesis?
Metoclopramide
Metoclopramide can also treat?
GI dysmotility
Gastroparesis
Metoclopramide can also treat?
GI dysmotility
Gastroparesis
Adverse effect of ALL of the D2 Receptor Antagonists?
Drowsy
Adverse effect of ALL of the D2 Receptor Antagonists?
Drowsy
Adverse effects of Prochlorperazine?
- urinary retention and constipation
- dry mouth and blurred vision
Adverse effects of Amisulpride?
Chills, hypokalemia, hyperprolactinemia
Which drug/class is a patch that can be worn for 72 hours?
Scopolamine
- Muscarinic1 Receptor Antagonist
When is Scopolamine most commonly used?
Motion sickness
End-of-life care for excessive secretions
When is Scopolamine most commonly used?
Motion sickness
End-of-life care for excessive secretions
Adverse effects of Scopolamine?
Anticholinergic:
- Drowsy and blurred vision
- Urinary retention and constipation
- Dry mouth
What drug class is FDA-scheduled (controlled) due to abuse potential?
Cannabinoid (CB) Receptor Agonists
Cannabinoid receptor agonists (+) which receptors?
Central (CB1) and Peripheral (CB2)
Once the CB1/2 receptors are activated, what does that do?
Decreases excitability of neurons
When are CB receptor agonists used?
TREATMENT-RESISTANT scenarios
When are CB receptor agonists used?
Treatment - Resistant scenarios
Adverse effects of CB receptor agonists usually effect?
CNS
The proper focus of therapy from Chemo-induced N/V is on?
Prevention
Acute chemo-induced N/V
Less than 24 hours after chemo
Chronic chemo-induced N/V
More than 24 hours after chemo
Anticipatory chemo-induced N/V
BEFORE chemo
HIGH-ematogenic regimen involves how many drugs?
4
What 4 drug classes are chosen for HIGH-ematogenic regimens?
- D2 receptor antagonist
- NK1 antagonist
- 5HT antagonist
- Corticosteroid (Dexamethasone)
4 drugs are given the day of chemo for HIGH-ematogenic regimens. For 3 days after, what 3 drugs are given?
- D2 receptor antagonist
- NK1 antagonist
- Corticosteroid (Dexamethasone)
MODERATE-ematogenic regimen involves how many drugs?
3
What 3 drug classes are chosen for MODERATE-ematogenic regimens?
- NK1 antagonist
- 5HT antagonist
- Corticosteroid (Dexamethasone)
3 drugs are given the day of chemo for MODERATE-ematogenic regimens. For 2 days after, what 2 drugs are given?
- NK1 antagonist
2. Corticosteroid (Dexamethasone)
LOW-ematogenic regimens involve how many drugs?
1
Minimal-ematogenic regimens involve how many drugs?
0
For Breakthrough Emesis, what drug do you give?
ANY in this lecture
For Breakthrough Emesis, what drug do you give?
ANY in this lecture