Monoamine Oxidase B Inhibitors for Parkinson's Disease
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Questions and Answers

Which MAO-B inhibitor provides modest improvements in motor function as monotherapy in early PD?

  • Rasagiline (correct)
  • Selegiline
  • Meperidine
  • Safinamide
  • What is the essential moiety for conferring irreversible inhibition of MAO-B in rasagiline and selegiline?

  • Norepinephrine
  • Propargylamine (correct)
  • Dopamine
  • Serotonin
  • Which opioid analgesic is contraindicated with concomitant use of MAO-B inhibitors due to serotonin syndrome?

  • Methadone
  • Morphine
  • Meperidine (correct)
  • Fentanyl
  • Which MAO-B inhibitor provides reversible inhibition of MAO-B?

    <p>Safinamide</p> Signup and view all the answers

    Which MAO-B inhibitor can worsen preexisting dyskinesias or psychiatric symptoms, such as delusions?

    <p>Selegiline</p> Signup and view all the answers

    Which adverse effect is associated with selegiline?

    <p>Hallucinations</p> Signup and view all the answers

    Which MAO-B inhibitor can increase levodopa peak effects and worsen preexisting dyskinesias or psychiatric symptoms, such as delusions?

    <p>Selegiline</p> Signup and view all the answers

    Which opioid analgesic is contraindicated with concomitant use of MAO-B inhibitors due to serotonin syndrome?

    <p>Meperidine</p> Signup and view all the answers

    Which two MAO-B inhibitors contain a propargylamine moiety for conferring irreversible inhibition of MAO-B?

    <p>Rasagiline and Selegiline</p> Signup and view all the answers

    Study Notes

    MAO-B Inhibitors in Parkinson's Disease

    • Rasagiline provides modest improvements in motor function as monotherapy in early Parkinson's disease (PD).

    Mechanism of Action

    • The essential moiety for conferring irreversible inhibition of MAO-B in rasagiline and selegiline is the propargylamine moiety.

    Contraindications and Interactions

    • Meperidine (an opioid analgesic) is contraindicated with concomitant use of MAO-B inhibitors due to serotonin syndrome.

    Types of MAO-B Inhibitors

    • Selegiline and rasagiline are MAO-B inhibitors that provide irreversible inhibition of MAO-B.
    • Safinamide is a MAO-B inhibitor that provides reversible inhibition of MAO-B.

    Adverse Effects

    • Selegiline can cause insomnia and orthostatic hypotension.
    • Rasagiline can worsen preexisting dyskinesias or psychiatric symptoms, such as delusions.
    • Safinamide can increase levodopa peak effects and worsen preexisting dyskinesias or psychiatric symptoms, such as delusions.

    Structural Characteristics

    • Rasagiline and selegiline are the two MAO-B inhibitors that contain a propargylamine moiety for conferring irreversible inhibition of MAO-B.

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    Description

    Test your knowledge about the selective Monoamine Oxidase B (MAO-B) inhibitors rasagiline, safinamide, and selegiline used in the treatment of Parkinson's Disease. Learn about their unique properties and contraindications.

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