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DEUTETRABENAZINE TAB

Clinical Criteria Summary

Document 276

Exclusion Criteria

  • Actively suicidal or has untreated or inadequately treated depression
  • Congenital long QT interval, or a QTc >450 ms for men or QTc >470 ms for women
  • History of cardiac arrhythmias (ventricular), cardiac conduction system disease (LBBB or RBBB), or cardiac device (can be considered candidates with cardiology evaluation)
  • Concurrent use of a monoamine oxidase inhibitor (MAOI) or within 14 days of discontinuing therapy with an MAOI
  • Current or use of reserpine within the past 20 days
  • Concurrent use of another VMAT2 inhibitor (i.e., tetrabenazine, valbenazine)
  • History of neuroleptic malignant syndrome (NMS)
  • Current clinically significant hyperprolactinemia
  • Pregnant or lactating
  • Hepatic impairment

Inclusion Criteria: Treatment of Huntington Disease

  • Initial prescriber is a resident, fellow, or other trainee: an attending psychiatrist or neurologist has verified the diagnosis and need for deutetrabenazine
  • Diagnosis of Huntington disease documented in the medical record
  • Chorea is disabling or painful and interferes with functional status (including self-care and ambulation), quality of life, or creates a social stigma sufficient to cause social isolation or embarrassment
  • Prescriber has documented specific movement(s) (e.g., facial, oral, extremity, or trunk) in the medical record along with how the chorea is affecting function, quality of life, or socialization

Inclusion Criteria: Treatment of Dystonia

  • Initial prescriber is a resident, fellow, or other trainee: an attending psychiatrist or neurologist has verified the diagnosis and need for deutetrabenazine
  • No response or intolerant to alternative agents (local botulinum toxin injections, anticholinergics, or benzodiazepines)

Inclusion Criteria: Treatment of Tardive Dyskinesia

  • Diagnosis of tardive dyskinesia (TD) secondary to a dopaminergic blocking agent (e.g., antipsychotic or metoclopramide)
  • TD interferes with functional status (including self-care and ambulation), quality of life, or creates a social stigma sufficient to cause social isolation or embarrassment
  • Prescriber has documented specific movement(s) (e.g., facial, oral, extremity, or trunk) in the medical record along with how TD is affecting function, quality of life, or socialization
  • Recent Abnormal Involuntary Movement Scale (AIMS) score is recorded in the medical record
  • ECG performed to confirm a QTc <450 ms for men or QTc <470 ms for women
  • Initial prescriber is a resident, fellow, or other trainee: an attending psychiatrist or neurologist has verified the diagnosis and need for deutetrabenazine

Document 299

Indications

  • Management of chorea associated with Huntington disease (HD)
  • Management of tardive dyskinesia (TD)

Dosage & Administration

  • Dosage form: Oral tablets (6 mg, 9 mg, 12 mg); non-formulary status
  • Administer with food; swallow tablets whole (do not crush, chew, or break)
  • HD dosing: 6 mg once daily; may increase dose weekly based on response and tolerability in increments of 6 mg/day. If total daily dose is ≥12 mg, administer in two divided doses. Maximum recommended dose: 48 mg/day.
  • TD dosing: 6 mg twice daily; may increase dose weekly based on response and tolerability in increments of 6 mg/day. If total daily dose is ≥12 mg, administer in two divided doses. Maximum recommended dose: 48 mg/day.

Contraindications

  • Suicidal/untreated depression
  • Hepatic impairment
  • Taking reserpine
  • Taking MAOI (monoamine oxidase inhibitor)
  • Taking another VMAT-2 inhibitor

Warnings & Precautions

  • Box warning for depression and suicidality
  • Neuroleptic malignant syndrome
  • Akathisia, restlessness, agitation
  • Parkinsonism
  • Sedation and somnolence
  • QTc prolongation

Adverse Reactions

  • HD: Somnolence, diarrhea, dry mouth, fatigue, insomnia
  • TD: Insomnia, nasopharyngitis, depression, akathisia

Drug Interactions

  • Strong CYP2D6 inhibitors
  • Reserpine
  • MAOIs
  • Alcohol/Sedating drugs
  • Drugs causing QTc prolongation
  • Neuroleptic drugs
  • Concomitant VMAT-2 inhibitors

Efficacy

  • HD: Demonstrated reduction in Total Chorea Score compared to placebo (p<0.0001) in a 12-week randomized, double-blind, placebo-controlled study.
  • TD: Demonstrated reduction in Abnormal Involuntary Movement Scale (AIMS) scores compared to placebo at week 12 in the AIM-TD and ARM-TD trials.

Place in Therapy & Utilization

  • VMAT-2 inhibitor utilized for management of HD chorea and TD.
  • Indirect evidence suggests better tolerability compared to tetrabenazine, though VA ADERS data does not fully support this finding.
  • Sequencing of VMAT-2 inhibitors is not warranted based on current evidence and utilization data.

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