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Cannabinoid Modulation of Pain

Early Phase 1
Completed
Conditions
Pain
Interventions
Other: Thermal
Other: Electrical
Other: Capsaicin
Drug: Placebo
Registration Number
NCT01595620
Lead Sponsor
Yale University
Brief Summary

The purpose of this study is to test the effects of cannabinoids on pain response using a variety of human experimental pain models.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
6
Inclusion Criteria
  • At least one lifetime exposure to cannabis
  • Acceptable Birth Control methods for females
Exclusion Criteria
  • Cannabis naive
  • Medical or psychiatric contraindications
  • Analgesic medication
  • Previous sensitivity to THC or cannabis

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
THC 0.01 mg/kgCapsaicin-
THC 0.01 mg/kgThermal-
THC 0.01 mg/kgElectrical-
THC 0.01 mg/kgTHC-
PlaceboThermal-
PlaceboElectrical-
PlaceboCapsaicin-
PlaceboPlacebo-
THC 0.03 mg/kgThermal-
THC 0.03 mg/kgElectrical-
THC 0.03 mg/kgCapsaicin-
THC 0.03 mg/kgTHC-
Primary Outcome Measures
NameTimeMethod
Capsaicin-induced hyperalgesiaOn each test day at baseline (-30), peak (+20) and post (+120) drug administration
Secondary Outcome Measures
NameTimeMethod
Pain MeasuresOn each test day at baseline (-30), peak (+20) and post (+120) drug administration
Non-pain subjective responsesOn each test day at baseline (-30), peak (+20) and post (+120) drug administration
Cognitive subjective responsesOn each test day at baseline (-30), peak (+20) and post (+120) drug administration

Trial Locations

Locations (1)

VA Connecticut Healthcare System

🇺🇸

West Haven, Connecticut, United States

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