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Clinical Trial Summary

The goal of this study is to compare the effectiveness of two formulations of ketamine - Spravato® and racemic ketamine - in people with treatment-resistant depression (TRD). The main questions it aims to answer are: - How the two formulations compare in terms of their effectiveness in treating TRD. - How the two formulations compare in their acceptability to patients, safety, effects on patient quality of life and function, and cost effectiveness. Participants will be randomised to receive either Spravato® or racemic ketamine treatment and asked to complete some questionnaires to assess the effects on mood, treatment acceptability, side effects, quality of life and function, and health economic outcomes.


Clinical Trial Description

The TREK study is a randomized, prospective, rater blinded (primary outcome raters), parallel group, comparative effectiveness trial of racemic ketamine and Spravato®, comparing their effectiveness, acceptability, safety, effects on quality of life (QOL), function and cost effectiveness after 4 weeks - 6 months of treatment in people with TRD. Participants will be recruited from clinics/hospitals that are providing racemic ketamine and Spravato® treatment services for TRD. Participants will be referred, treated and followed up as per the clinic's normal clinical practice. Participants who consent to participate in this research study will undergo other processes in addition to the standard treatment procedures provided by their clinic: - Randomisation to receive racemic ketamine or Spravato®. - Completion of questionnaires to measure treatment effects on mood, acceptability, safety, quality of life and function and cost effectiveness. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06278779
Study type Interventional
Source The George Institute
Contact Simone Jacoby
Phone 80524300
Email sjacoby@georgeinstitute.org.au
Status Recruiting
Phase Phase 4
Start date June 3, 2024
Completion date April 2027

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