Ketum and Pain Tolerence
Study Details
Study Description
Brief Summary
The study aim is to evaluate potential analgesic properties of ketum using the cold pressor task.
Condition or Disease | Intervention/Treatment | Phase |
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N/A |
Detailed Description
Participants in the proposed study will be individuals who report consuming ketum more than once a day, daily for the past 12 months. The study is a placebo-controlled, double-blind within-subject repeated mesaures design. Participants will ingest a sequence of ketum and placebo drinks prepared by pharmacologists at USM Centre for Drug Research and their pain tolerance will be measured by the cold pressor task after ingesting ketum or placebo.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
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Experimental: Ketum Each participant will consume a sequence of active ketum or placebo drinks. Pain tolerance will be measured using the cold pressor task after consuming each drink. |
Drug: Ketum
Ketum (Mitragyna speciosa) is an indigenous plant of Southeast Asia reported to have medicinal value in traditional culture
Other Names:
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Placebo Comparator: Placebo Each participant will consume a sequence of active ketum or placebo drinks. Pain tolerance will be measured using the cold pressor task after consuming each drink. |
Drug: Placebo
Placebo drink matched for taste and appereance
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Outcome Measures
Primary Outcome Measures
- Pain tolerance [3 hours]
The duration (seconds) participants can keep their hands immersed in the water bath
Eligibility Criteria
Criteria
Inclusion Criteria: Individuals who report drinking ketum decoction more than once a day, daily for the past 12 months.
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Exclusion Criteria: (1) tested positive for illicit drug use including morphine, cannabis, methamphetamine, amphetamine, methadone, benzodiazepine and ketamine; (2) have current or previous history of psychological or neurological problems (self-report); (3) have current or previous alcohol use history (self-report); (4) HIV infections; (5) history of chronic liver disease (e.g. cirrhosis, hepatitis A, B, C, etc.) 6) non-alcoholic fatty liver disease; (7) history of coronary heart disease and diabetes; (8) existing chronic pain condition and (9) history of psychiatric disorders. Exclusion criteria for female particiapns: (1) pregnancy, (2) nursing.
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Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
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1 | Centre for Drug Research, Univerisiti Sains Malaysia | George Town | Penang | Malaysia | 11800 |
Sponsors and Collaborators
- Universiti Sains Malaysia
- Yale University
Investigators
- Principal Investigator: Vicknasingam Kasinather, PhD, Director
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- USM/JEPeM/17050243