NCT04919590 is a NA clinical trial of This is Quitting in Vaping, sponsored by Truth Initiative.

Who is sponsoring NCT04919590?

NCT04919590 is sponsored by Truth Initiative.

What drugs are being tested in NCT04919590?

Interventions in NCT04919590: This is Quitting, Assessment only control, Waitlist control.

What condition does NCT04919590 study?

NCT04919590 studies Vaping, Cessation, Tobacco.

Is NCT04919590 still recruiting?

NCT04919590 is currently completed. Last updated 12 March 2025.

Are results published for NCT04919590?

Yes — primary outcome results have been posted to ClinicalTrials.gov. See the outcomes section above for details.

Last reviewed 2025-03-12 · How we verify

NCT04919590

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Text Message Quit Vaping Intervention for Adolescents

Completed NA Results posted Last updated 12 March 2025

What this trial tests

NA trial testing This is Quitting in Vaping in 1,681 participants. Completed in 18 October 2023.

Timeline

1 October 2021

Primary endpoint
18 October 2023

18 October 2023

Quick facts

Lead sponsor	Truth Initiative
Phase	NA
Status	Completed
Study type	INTERVENTIONAL
Allocation	randomized
Design	parallel
Masking	double
Primary purpose	treatment
Enrollment	1,681
Start date	1 October 2021
Primary completion	18 October 2023
Estimated completion	18 October 2023
Sites	1 location across United States

Drugs / interventions tested

This is Quitting
Assessment only control
Waitlist control

Conditions studied

Vaping — all drugs for Vaping →
Cessation, Tobacco — all drugs for Cessation, Tobacco →

Sponsor

Truth Initiative

Who can join

Adults 13 to 17, any sex, with Vaping or Cessation, Tobacco. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Self-reported 30-day Point Prevalence Abstinence Primary · 7 months post enrollment

In the past 30 days, did you vape at all, even a puff of someone else's?

Group	Value	95% CI
This is Quitting	287
Assessment Only Control	208
Waitlist Control	49

Sponsor's own description

This research study, conducted by Truth Initiative, will help us learn how text messaging can help adolescents between 13 and 17 years of age quit vaping.

Publications & conference data

4 peer-reviewed publications reference this trial (live from Europe PMC):

A Vaping Cessation Text Message Program for Adolescent E-Cigarette Users: A Randomized Clinical Trial.
Graham AL, Cha S, Jacobs MA, Amato MS, et al · · 2024 · cited 31× · PMID 39110436 · DOI 10.1001/jama.2024.11057
Interventions to prevent or cease electronic cigarette use in children and adolescents.
Barnes C, Turon H, McCrabb S, Hodder RK, et al · · 2023 · cited 14× · PMID 37965949 · DOI 10.1002/14651858.cd015511.pub2
Interventions for quitting vaping.
Butler AR, Lindson N, Livingstone-Banks J, Notley C, et al · · 2025 · cited 7× · PMID 39777614 · DOI 10.1002/14651858.cd016058.pub2
Dual abstinence from nicotine vaping and cannabis use among young people: secondary analyses from two U.S.-based randomized controlled trials of vaping cessation.
Graham AL, Cha S, Do EK, Jacobs MA, et al · · 2025 · PMID 41177894 · DOI 10.1186/s13011-025-00679-1

Verify or expand the search:

Other trials of This is Quitting

Trials testing the same drug.

NCT04251273 — Text Message Quit Vaping Intervention for Young Adults · NA · completed

Other recruiting trials for Vaping

Currently open trials in the same condition.

NCT07040566 — A Trial of Varenicline for E-cigarette Cessation · Phase 2 · recruiting
NCT07116837 — Perceived Effectiveness of Vaping Prevention Ads Among Adolescents and Young Adults · NA · recruiting
NCT06819969 — The Canadian Lung Outcomes in Users of Vaping Devices Study · recruiting
NCT05999383 — Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration · Phase 2 · recruiting
NCT06765291 — Behavioral Intervention for Youth to Promote Vaping Cessation · NA · recruiting

Other Truth Initiative trials

Trials by the same sponsor.

NCT06806098 — Cessation Clinical Trial · NA · active not recruiting
NCT04251273 — Text Message Quit Vaping Intervention for Young Adults · NA · completed
NCT02585206 — Optimizing Text Messaging to Improve Adherence to Web-Based Cessation Treatment · NA · completed

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT04919590 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Truth Initiative
Last refreshed: 12 March 2025

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04919590.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing