deltatrials
Terminated OBSERVATIONAL NCT05669716

Adolescent Vaping Characterization and Parent Views on Adolescent Vaping Protocol

Sponsor: National Institute on Drug Abuse (NIDA)

Conditions Healthy Volunteers Vaping Teens
Updated 22 times since 2023 Last updated: Dec 19, 2025 Started: Mar 9, 2023 Primary completion: Sep 25, 2025 Completion: Sep 25, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Principal Investigator is leaving NIDA.

Other terminated trials from National Institute on Drug Abuse (NIDA)

See all terminations from National Institute on Drug Abuse (NIDA)

A observational or N/A phase clinical study on Healthy Volunteers and Vaping Teens, this trial is terminated or withdrawn. The trial is conducted by National Institute on Drug Abuse (NIDA) and has accumulated 22 data snapshots since 2023. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Feb 2023 – ~Mar 2023 · 28 days · monthly snapshot~Mar 2023 – ~Apr 2023 · 31 days · monthly snapshot~Apr 2023 – ~May 2023 · 30 days · monthly snapshot~May 2023 – ~Jun 2023 · 31 days · monthly snapshot~Jun 2023 – ~Jul 2023 · 30 days · monthly snapshot~Jul 2023 – ~Aug 2023 · 31 days · monthly snapshot~Aug 2023 – ~Sep 2023 · 31 days · monthly snapshot~Sep 2023 – ~Feb 2024 · 5 months · monthly snapshot~Feb 2024 – ~Mar 2024 · 29 days · monthly snapshot~Mar 2024 – ~May 2024 · 2 months · monthly snapshot~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Oct 2024 · 30 days · monthly snapshot~Oct 2024 – ~Mar 2025 · 5 months · monthly snapshot~Mar 2025 – ~Apr 2025 · 31 days · monthly snapshot~Apr 2025 – ~May 2025 · 30 days · monthly snapshot~May 2025 – ~Jul 2025 · 2 months · monthly snapshot~Jul 2025 – ~Aug 2025 · 31 days · monthly snapshot~Aug 2025 – ~Nov 2025 · 3 months · monthly snapshot~Nov 2025 – ~Jan 2026 · 2 months · monthly snapshot~Jan 2026 – present · 7 months · monthly snapshot

Change History

22 versions recorded

  1. Jan 2026 — Present [monthly]

    Terminated

    Status: Recruiting → Terminated

  2. Nov 2025 — Jan 2026 [monthly]

    Recruiting

  3. Aug 2025 — Nov 2025 [monthly]

    Recruiting

  4. Jul 2025 — Aug 2025 [monthly]

    Recruiting

  5. May 2025 — Jul 2025 [monthly]

    Recruiting

▶ Show 17 earlier versions

  1. Apr 2025 — May 2025 [monthly]

    Recruiting

  2. Mar 2025 — Apr 2025 [monthly]

    Recruiting

  3. Oct 2024 — Mar 2025 [monthly]

    Recruiting

  4. Sep 2024 — Oct 2024 [monthly]

    Recruiting

  5. Aug 2024 — Sep 2024 [monthly]

    Recruiting

  6. Jul 2024 — Aug 2024 [monthly]

    Recruiting

  7. May 2024 — Jul 2024 [monthly]

    Recruiting

  8. Mar 2024 — May 2024 [monthly]

    Recruiting

  9. Feb 2024 — Mar 2024 [monthly]

    Recruiting

  10. Sep 2023 — Feb 2024 [monthly]

    Recruiting

  11. Aug 2023 — Sep 2023 [monthly]

    Recruiting

  12. Jul 2023 — Aug 2023 [monthly]

    Recruiting

  13. Jun 2023 — Jul 2023 [monthly]

    Recruiting

  14. May 2023 — Jun 2023 [monthly]

    Recruiting

  15. Apr 2023 — May 2023 [monthly]

    Recruiting

  16. Mar 2023 — Apr 2023 [monthly]

    Recruiting

  17. Feb 2023 — Mar 2023 [monthly]

    Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Institute on Drug Abuse (NIDA)
Data source: National Institutes of Health Clinical Center (CC)

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

Study Locations