deltatrials
Completed NA INTERVENTIONAL 2-arm NCT03786042

Trial on the Effect of E-cigarette Advertising on Cigarette Perceptions in Adolescents

Does Exposure to Electronic Nicotine Delivery Systems Advertising Affect Positive Smoking Expectancies and Social Normative Beliefs About Smoking?

Sponsor: Dartmouth College

Updated 12 times since 2019 Last updated: Sep 5, 2025 Started: Feb 4, 2019 Primary completion: Dec 9, 2021 Completion: Dec 9, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Attentional Bias and Positive Perceptions About Cigarette Smoking and is currently completed. Dartmouth College leads this study, which shows 12 recorded versions since 2019 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2019 – ~Mar 2019 · 59 days · monthly snapshotNot Yet Recruiting~Mar 2019 – ~Apr 2019 · 31 days · monthly snapshotRecruiting~Apr 2019 – ~Apr 2020 · 12 months · monthly snapshotRecruiting~Apr 2020 – ~May 2020 · 30 days · monthly snapshotSuspended~May 2020 – ~Jan 2021 · 8 months · monthly snapshotActive Not Recruiting~Jan 2021 – ~May 2021 · 4 months · monthly snapshotActive Not Recruiting~May 2021 – ~Sep 2021 · 4 months · monthly snapshotActive Not Recruiting~Sep 2021 – ~Jun 2022 · 9 months · monthly snapshotRecruiting~Jun 2022 – ~Jul 2024 · 25 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Oct 2025 · 13 months · monthly snapshotCompleted~Oct 2025 – present · 9 months · monthly snapshotCompleted

Change History

12 versions recorded
  1. Oct 2025 — Present [monthly]

    Completed NA

  2. Sep 2024 — Oct 2025 [monthly]

    Completed NA

  3. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  4. Jun 2022 — Jul 2024 [monthly]

    Completed NA

    Status: RecruitingCompleted

  5. Sep 2021 — Jun 2022 [monthly]

    Recruiting NA

    Status: Active Not RecruitingRecruiting

Show 7 earlier versions
  1. May 2021 — Sep 2021 [monthly]

    Active Not Recruiting NA

  2. Jan 2021 — May 2021 [monthly]

    Active Not Recruiting NA

  3. May 2020 — Jan 2021 [monthly]

    Active Not Recruiting NA

    Status: SuspendedActive Not Recruiting

  4. Apr 2020 — May 2020 [monthly]

    Suspended NA

    Status: RecruitingSuspended

  5. Apr 2019 — Apr 2020 [monthly]

    Recruiting NA

  6. Mar 2019 — Apr 2019 [monthly]

    Recruiting NA

    Status: Not Yet RecruitingRecruiting

  7. Jan 2019 — Mar 2019 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Dartmouth College
  • National Cancer Institute (NCI)
  • Trustees of Dartmouth College
Data source: Trustees of Dartmouth College

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations