Perceptions of Proposed Warnings for Cannabis Edibles Packaging
2 other identifiers
interventional
1,250
1 country
1
Brief Summary
The purpose of this study is to compare a delayed-effects warning to an expanded warning developed in previous experiments on knowledge, harm perceptions, and willingness to try cannabis edibles. Additionally, this study will examine the effects of a corresponding icon on attention to and recall of the warning.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started May 2026
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 20, 2026
CompletedFirst Posted
Study publicly available on registry
March 27, 2026
CompletedStudy Start
First participant enrolled
May 28, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
August 1, 2026
May 29, 2026
March 1, 2026
2 months
March 20, 2026
May 28, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (6)
Product appeal score
One item to assess the appeal of the product. Results will be reported as means. Question: How appealing is this edible to you? Response options: (0) Not at all appealing to (10) Very appealing. Higher score denoting more appeal
Minute 1
Perception of product safety score
One item to assess the participants' perception of the safety of the product. Results will be presented as the frequency of each type of response. Question: How safe do you think it would be to eat this edible? Response options: (1) Not at all safe, (2) Slightly safe, (3) Somewhat safe, (4) Moderately safe, (5) Very safe. Higher score denoting more safe to eat
Minute 1
Perceived likelihood of experiencing unwanted effects score
One item to assess the participants' perception of the likelihood of experiencing unwanted effects. Results will be presented as the frequency of each type of response. Question: How likely are you to experience unwanted effects if you eat this edible? Response options: (1) Not at all likely, (2) Slightly likely, (3) Somewhat likely, (4) Moderately likely, (5) Very likely. Higher score denoting greater likelihood of experiencing side effects
Minute 1
Interest in a free sample score
One item to assess how interested a participant would be in a free sample of the product. Results will be presented as the frequency of each type of response. Question: How interested would you be in a free sample of this edible? Response options: (1) Not at all interested, (2) Slightly interested, (3) Somewhat interested, (4) Moderately interested, (5) Very interested. Higher score denoting more interest
Minute 1
Concern about the risks of overconsumption due to warning score
One item to assess how much the warning makes the participant concerned about the risks of overconsumption for participants randomized to view a package with a warning (intervention conditions only). Results will be presented as the frequency of each type of response. Question: How much does this warning make you concerned about potential risks from eating too much of this edible? Response options: (1) Not at all, (2) A little, (3) Somewhat, (4) Quite a bit, (5) A great deal. Higher score denotes more concern
Minute 1
Improved understanding of safe consumption due to warning score
One item to assess how much the warning gives the participant a better understanding of how to safely consume an edible (intervention conditions only). Results will be presented as the frequency of each type of response. Question: How much does this warning give you a better understanding of how to safely consume this edible? Response options: (1) Not at all, (2) a little, (3) somewhat, (4) quite a bit, (5) a great deal. Higher score denotes better understanding of safety
Minute 1
Secondary Outcomes (2)
Warning recall
Minute 1
Attention Score
Minute 1
Study Arms (5)
No Warning Control
EXPERIMENTALOne cannabis edibles package without a warning message.
Delayed Effects Text Only
EXPERIMENTALOne cannabis edibles package with a warning containing a delayed effects message
Delayed Effects Plus Icon
EXPERIMENTALOne cannabis edibles package with a warning containing a delayed effects message and a corresponding icon.
Delayed Effects Plus Dose
EXPERIMENTALOne cannabis edibles package with a warning containing delayed effects message and dosing instructions.
Delayed Effects Plus Dose Plus Adverse Effects
EXPERIMENTALOne cannabis edibles package with a warning containing delayed effects, dosing instructions, and adverse effects message.
Interventions
Participants in the control condition will see an edible cannabis package without a warning message.
Participants will see a cannabis edibles package with a warning containing a delayed effects message and a corresponding icon.
Participants will view a cannabis edibles package with a warning containing delayed effects message and dosing instructions.
Participants will see a cannabis edibles package with a warning message containing a delayed effects message.
Participants will view a cannabis edibles package with a warning containing delayed effects, dosing instructions, and adverse effects message.
Eligibility Criteria
You may qualify if:
- English-speaking by self-selection
- United States resident
You may not qualify if:
- Already participated in a precursor project (IRB00104038, IRB000111438)
- Eligible but demographic and user group strata have already been met
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Wake Forest University Health Sciences
Winston-Salem, North Carolina, 27157, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Beth Reboussin, PhD
Wake Forest University Health Sciences
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- OTHER
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 20, 2026
First Posted
March 27, 2026
Study Start
May 28, 2026
Primary Completion (Estimated)
August 1, 2026
Study Completion (Estimated)
August 1, 2026
Last Updated
May 29, 2026
Record last verified: 2026-03
Data Sharing
- IPD Sharing
- Will not share