Nicotine Use Disorder Clinical Trial
Official title:
Examining Appeal and Addiction Potential of Novel E-cigarette Constituents Among Adults
This study is an examination of the influence of cooling components of WS-3, WS-23, and menthol on the appeal and addiction potential of nicotine-containing e-liquids among adults.
Status | Not yet recruiting |
Enrollment | 66 |
Est. completion date | November 2025 |
Est. primary completion date | November 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - 18 years or older - Able to read and write - Some current e-cigarette use - Willing to abstain from tobacco/nicotine use 2 hours prior to sessions Exclusion Criteria: - Current use of non-prescription substances besides nicotine, marijuana, alcohol - Any significant current medical or psychiatric condition - Known hypersensitivity to propylene glycol - Pregnant or lactating females - Uncontrolled asthma - Nut/e-liquid flavorant allergy - Current marijuana (tetrahydrocannabinol) vaping + E-cigarette or vaping use Associated Lung Injury (EVALI) symptoms |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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Yale University | National Institute on Drug Abuse (NIDA) |
Lim J, Wood A, Green BG. Derivation and evaluation of a labeled hedonic scale. Chem Senses. 2009 Nov;34(9):739-51. doi: 10.1093/chemse/bjp054. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Liking: Score change in liking/wanting of each e-cigarette condition (5 conditions in total) | The Labeled Hedonic Scale will be used to ask about liking and wanting of the e-cigarette (one item Visual Analog Scale with ratings ranging from "most disliked sensation imaginable" to "most liked sensation imaginable" with higher values indicating greater liking). | Following administration of e-cigarette condition 1 (at 10 minutes), following administration of e-cigarette condition 2 (at 40 minutes)...following administration of e-cigarette condition 5 (at 130 minutes) | |
Primary | Reinforcing Efficacy: Score change in drug effects of each e-cigarette condition (5 conditions in total) | Difference between e-cigarette effects for each e-cigarette condition as measured by the computerized version of the Drug Effects Questionnaire (DEQ). Participants will self-report their responses using a computer mouse to indicate where on the scale response falls. A modified version of the Drug Effects Questionnaire (DEQ) will be used in which participants rate acute responses to the e-cigarette on a 0-100mm scale from "not at all" (0mm) to "extremely" (100mm). | Following administration of e-cigarette condition 1 (at 10 minutes), following administration of e-cigarette condition 2 (at 40 minutes)...following administration of e-cigarette condition 5 (at 130 minutes) | |
Primary | Irritation/Harshness: Score change in irritation of harshness of each e-cigarette condition (5 conditions in total) | Difference in irritation at each e-cigarette condition as measured by the computerized Generalized Labeled Magnitude Scale (gLMS). Participants will self-report their responses using a computer mouse to indicate where on the scale response falls. The Generalized Labeled Magnitude Scales (gLMS) are category ratio scales with seven semantic labels: "no sensation", "barely detectable", "weak", "moderate", "strong", "very strong", and "strongest imaginable", positioned quasi-logarithmically as per empirically determined semantic magnitudes on a 0-100 scale (strongest imaginable at the 100 end). | Following administration of e-cigarette condition 1 (at 10 minutes), following administration of e-cigarette condition 2 (at 40 minutes)...following administration of e-cigarette condition 5 (at 130 minutes) | |
Secondary | Craving: Change in craving score for e-cigarette from baseline at each e-cigarette condition (5 conditions in total) | Difference from baseline in craving for each e-cigarette condition will be measured by the Generalized Labeled Magnitude Scale (gLMS). Participants will self-report their craving for e cigarettes using a computer mouse to indicate where on the scale response falls. The Generalized Labeled Magnitude Scales (gLMS) are category ratio scales with seven semantic labels: "no sensation", "barely detectable", "weak", "moderate", "strong", "very strong", and "strongest imaginable", positioned quasi-logarithmically as per empirically determined semantic magnitudes on a 0-100 scale (strongest imaginable at the 100 end). | At baseline (at 0 minute), following administration of e-cigarette condition 1 (at 10 minutes), following administration of e-cigarette condition 2 (at 40 minutes)...following administration of e-cigarette condition 5 (at 130 minutes) | |
Secondary | Changes of salivary Nicotine and Cotinine Levels from baseline at each e-cigarette condition (5 conditions in total) | Saliva samples will be collected following each exposure to product and before each lab sessions to assess change in nicotine/cotinine levels. These levels will be used for correlational analyses with behavioral measures and will be determined using LC/MS techniques at the core laboratory of university. | At baseline (at 0 minute), Following administration of e-cigarette condition 1 (at 10 minutes), following administration of e-cigarette condition 2 (at 40 minutes)...following administration of e-cigarette condition 5 (at 130 minutes) |
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