Testing Warning Labels for Retail Cannabis Products Using a Discrete Choice Experiment

Part of paid clinical trials in Oklahoma City, Oklahoma.

Sponsor
University of Oklahoma
Study ID
NCT07701304
Status
Recruiting
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Conditions

  • Cannabis Use
  • Decision Making
  • Risk Perception

Eligibility Criteria

Sex
ALL
Age
21 Years - N/A
Healthy Volunteers
Not accepted

Interventions

  • Discrete choice experiment (DCE) survey-experiment — BEHAVIORAL
    A discrete choice experiment (DCE) consisting of 16 distinct choice sets. Each choice set presents combinations of the following attributes: 1) Cannabis package style: 1) "Standardized" plain package, 2) plain package with brand logo and fonts, 3) brand color background with brand logo and fonts, and 4) fully branded with brand imagery, brand logo, and brand descriptors and fonts. Branding type: 1) Adventure brand vs. 2) Earthy brand. Health warning size: 1) Small (20% of packaging surface) - health warnings use currently mandated warning language from multiple jurisdictions vs. 2) Large (40% of packaging surface) - health warnings use currently mandated warning language from multiple jurisdictions. Product THC content: 1) Low THC vs. 2) High THC. Product type: 1) Joints, 2) Vape, 3) Edibles, and 4) Drinks. Participants will rate all combinations of product attributes.

Study Details

This discrete choice experiment (DCE) study aims to address gaps in cannabis packaging regulatory research by testing how variations in cannabis packaging and health warning design impact reactions to packaging and intentions about cannabis use. The goal of this work is to identify the most effective combination of health warning features to improve consumer awareness of cannabis health risks. Establishing criteria for cannabis products in the US is critical because inconsistent state guidelines have resulted in contradictory policies in legal retail states, arguably leading to increased hazardous use and failure to meet public health standards. The contributions of this study's outcomes are expected to be significant because they will benefit public health as cannabis becomes available in legal retail markets and regulatory and governmental agencies seek effective ways to communicate cannabis risks to the public.

Key Dates

First listed
Jul 14, 2026
Start date
May 19, 2026
Status verified
Jul 2026
Primary completion
Dec 31, 2026
Completion
Dec 31, 2026

Study Design

Enrollment
450 participants (estimated)
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION

Arms

  • Experimental: Discrete choice experiment (DCE) cohort
    Adult participants (21+) enrolled in this single-arm cohort will complete a computer-based discrete choice experiment during a single study visit (conducted online). They will review a series of hypothetical cannabis products and select their preferred options.

Primary Outcome Measure

Risk perceptions about cannabis products [ Time Frame: At the time of survey completion (approximately 15 minutes) ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
University of OKlahomaOklahoma CityOklahoma73104
Zachary Massey, PhD
[email protected]
405-271-6872

Find similar trials in Oklahoma City, OK

By research site
University of OKlahoma· Oklahoma City, OK

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