An interventional study of E-cigarette cessation text-messaging intervention and Standard care control using standard national resources in E-cigarette Use, sponsored by Jovan Gwon, PhD, RN, FIAAN. Recruiting at 1 site in United States. Open to participants aged 18 Years to 24 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-08-07.
Sponsored by Jovan Gwon, PhD, RN, FIAAN · Not applicable, Interventional, and Treatment
This is a small pilot randomized controlled trial to evaluate the feasibility, acceptability, and preliminary efficacy of the e-cigarette cessation text-messaging intervention with young adults in rural areas.
160 studies on the registry are indexed under Vaping; 72 are open to participants now.
This study's planned enrollment of 50 is below the median of 110 across 135 interventional studies indexed under Vaping.
Browse Vaping studies →This is the only study on the registry with Jovan Gwon, PhD, RN, FIAAN as lead sponsor.
Counted across the registry records on this site, refreshed daily.
Exclusion Criteria:
Behavioral: E-cigarette cessation text-messaging intervention
This standard care group will receive standard care resources from smokefree.gov.
Behavioral: Standard care control using standard national resources
This is the intervention for e-cigarette cessation using text messages targeting young adults in rural areas.
This is the standard care with national resources from smokefree.gov.
Number of participants recruited and randomized
Number of participants recruited and randomized
Time frame: Throughout 12 months
Self-reported proportion of text messages read
Proportion of text messages read during the intervention or standard care at 1 month
Time frame: At 1 month
Retention rates (proportion of participants remained until 1 month post-intervention from enrollment)
Proportion of participants from enrollment to 1 month post-intervention or standard-care
Time frame: At 1 month
Level of acceptability of the intervention
1. When you had received our text messages from our VapeFreeTXT program 1 month ago, how many of our text messages did you read on a typical day? Not at all (1) Read about 25% messages (2) Read about half messages (3) Read about 75% messages (4) Read the entire messages (5) 2. How useful was our VapeFreeTXT program in helping you quit vaping? Not at all useful (1) Slightly useful (2) Moderately useful (3) Very useful (4) Extremely useful (5) 3. Did our VapeFreeTXT program make you think about quitting vaping? Not at all (1) Probably not (2) Neither yes nor no (3) Probably yes (4) Definitely yes (5) 4. Do you think our VapeFreeTXT program will change your vaping? Not at all (1) Probably not (2) Neither yes nor no (3) Probably yes (4) Definitely yes (5) 5. Would you recommend this program to a friend or others? Not at all (1) Probably not (2) Neither yes nor no (3) Probably yes (4) Definitely yes (5)
Time frame: At 1 month
Proportion of salivary cotinine samples returned
Proportion of salivary cotinine samples returned to the office lab for cotinine analysis
Time frame: At 1 month
Self-reported 7-days point prevalence abstinence from ENDS and other tobacco
Self-reported 7-days point prevalence abstinence from ENDS and other tobacco
Time frame: At 1 month
Concentration of cotinine in saliva
Biochemically verified abstinence evaluated by salivary cotinine samples
Time frame: At 1 month
Nicotine dependence (Penn State Electronic Cigarette Dependence Index)
Nicotine dependence (minimum 0 to maximum 20, higher scores mean a worse outcome.)
Time frame: At 1 month
Plan to share: No
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