Sustained abstinence in severe ketamine use disorder following ibogaine treatment case report - Summary - MDSpire

Long-term Abstinence Achieved in Severe Ketamine Use Disorder After Ibogaine Intervention: A Case Study

  • By

  • Sergio R. Pérez Rosal

  • Sonya C. Faber

  • Markus Backmund

  • July 20, 2026

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Objective:

To document the long-term abstinence achieved in a patient with severe ketamine use disorder following ibogaine treatment.

Approach:
  • Patient Profile: A 30-year-old male with a five-year history of severe polysubstance dependence, including daily intranasal ketamine use, cocaine, and alcohol, comorbid with recurrent depressive disorder.
  • Treatment Protocol: The patient underwent a 13-day residential program in Mexico, receiving an 800 mg ibogaine HCl flood dose followed by two booster doses of 300 mg, with continuous medical and ECG monitoring.
  • Follow-up: Approximately 17 months of follow-up included a medically supervised fractionated ibogaine intervention and serial toxicology and psychometric assessments.
Key Findings:
  • The patient reported an immediate cessation of cravings for all substances post-treatment.
  • Serial assessments indicated continued abstinence from ketamine, cocaine, alcohol, and other substances over 17 months, with PHQ-9 scores improving from 0 to 3 and WHOQOL-BREF scores increasing from 55 to 71.
  • Significant improvements in depression and quality of life were observed.
Interpretation:

This case provides evidence for ibogaine's effects in treating chronic ketamine dependence.

Limitations:
  • The study is based on a single case report, limiting generalizability.
  • The lack of controlled clinical trials limits the ability to substantiate findings.
Conclusion:

This case highlights the findings related to ibogaine treatment for severe ketamine use disorder.

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