Ketum and Pain Tolerence

Sponsor
Universiti Sains Malaysia (Other)
Overall Status
Recruiting
CT.gov ID
NCT03414099
Collaborator
Yale University (Other)
20
1
2
47.2
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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
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

Study Type:
Interventional
Anticipated Enrollment :
20 participants
Allocation:
Randomized
Intervention Model:
Crossover Assignment
Intervention Model Description:
Within-subject, repeated measuresWithin-subject, repeated measures
Masking:
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Masking Description:
Ketum and placebo drinks will be matched for taste and appearence. Each study participant will receive a sequence of ketum and placebo drinks in random order.
Primary Purpose:
Other
Official Title:
Ketum and Pain Tolerence
Actual Study Start Date :
Jan 23, 2018
Anticipated Primary Completion Date :
Dec 30, 2021
Anticipated Study Completion Date :
Dec 30, 2021

Arms and Interventions

Arm Intervention/Treatment
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:
  • Kratom
  • 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

    Outcome Measures

    Primary Outcome Measures

    1. Pain tolerance [3 hours]

      The duration (seconds) participants can keep their hands immersed in the water bath

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years to 65 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    Yes

    Inclusion Criteria: Individuals who report drinking ketum decoction more than once a day, daily for the past 12 months.

    -

    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.

    -

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    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.
    Responsible Party:
    Vicknasingam B Kasinather, Professor, Universiti Sains Malaysia
    ClinicalTrials.gov Identifier:
    NCT03414099
    Other Study ID Numbers:
    • USM/JEPeM/17050243
    First Posted:
    Jan 29, 2018
    Last Update Posted:
    Apr 28, 2021
    Last Verified:
    Apr 1, 2021
    Individual Participant Data (IPD) Sharing Statement:
    No
    Plan to Share IPD:
    No
    Studies a U.S. FDA-regulated Drug Product:
    No
    Studies a U.S. FDA-regulated Device Product:
    No
    Product Manufactured in and Exported from the U.S.:
    No
    Keywords provided by Vicknasingam B Kasinather, Professor, Universiti Sains Malaysia

    Study Results

    No Results Posted as of Apr 28, 2021