Coronial
VIChome

Finding into death of Phillip George Black

Deceased

Phillip George Black

Demographics

29y, male

Coroner

Deputy State Coroner Paresa Spanos

Date of death

2010-09-25

Finding date

2015-02-20

Cause of death

Combined methadone, diazepam and clonazepam toxicity in a man commencing a methadone maintenance programme

AI-generated summary

Phillip Black, age 29, died from combined methadone, diazepam and clonazepam toxicity after commencing methadone maintenance therapy. He presented to Dr D. on 23 September 2010 seeking to re-commence MMT, having previously completed a course in 2009. Dr D. conducted a perfunctory assessment without corroborating the patient's self-reported heroin use, failed to obtain collateral history from the patient's partner or previous medical providers, and prescribed a 40mg starting dose (maximum permitted) without documented clinical justification. Clinical review arrangements were inadequate for a patient on maximum initial dose. Expert evidence established that Dr D. failed to follow national clinical guidelines recommending cautious dosing, comprehensive assessment, corroboration of drug use, and review prior to third dose. A starting dose of 20-30mg with structured follow-up would likely have prevented death. The coroner found sub-optimal clinical management caused or contributed to Mr Black's death and referred Dr D. to AHPRA.

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Specialties

addiction medicinegeneral practicepharmacy

Error types

diagnosticmedication

Drugs involved

methadonediazepamclonazepamheroinamphetamine

Clinical conditions

opioid dependenceheroin addictiontype 1 diabeteshepatitis Cmethadone toxicity

Contributing factors

  • Inadequate clinical assessment for methadone suitability
  • Failure to corroborate patient's reported opioid use
  • Failure to obtain collateral history from previous prescribers or patient's partner
  • Prescribing maximum permitted initial methadone dose (40mg) without sound clinical basis
  • Inadequate review arrangements given high initial dose
  • Patient had relapsed to occasional rather than daily heroin use, suggesting low opioid tolerance
  • Concomitant benzodiazepine use not identified
  • Failure to assess diabetes control and liver function before methadone commencement
  • Patient over-stated frequency and quantity of heroin use to obtain higher methadone dose

Coroner's recommendations

  1. That the Royal Australasian College of General Practitioners reminds its members who are methadone prescribers of the need to regularly review the National Clinical Guidelines and Procedures for the Use of Methadone in the Maintenance Treatment of Opioid Dependence to ensure that their practice accords with those guidelines, unless there is a sound and documented clinical basis for departure.
  2. That Drugs and Poisons Regulation (Department of Health and Human Service, Victoria) considers amending the Victorian Policy for Maintenance Pharmacotherapy for Opioid Dependence to include a mandatory requirement that health practitioners prescribing methadone comply with the National Clinical Guidelines and Procedures for the Use of Methadone in the Maintenance Treatment of Opioid Dependence, unless there is a sound and documented clinical basis for departure.
  3. That Drugs and Poisons Regulation considers amending the Victorian Policy for Maintenance Pharmacotherapy for Opioid Dependence to include a mandatory requirement that health practitioners prescribing methadone complete ongoing training in relation to the Victorian Policy and National Clinical Guidelines at regular intervals, and that compliance be audited.
  4. That the Australian Health Practitioner Regulation Authority considers the circumstances in which Mr Black died, and takes whatever action it seems appropriate in relation to Dr D..
Full text

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