deltatrials
Completed NA INTERVENTIONAL 2-arm NCT04315506

A Text-based Reduction Intervention for Smokeless Tobacco Cessation

Sponsor: Duke University

Updated 13 times since 2020 Last updated: Jul 16, 2024 Started: Oct 16, 2020 Primary completion: Jan 28, 2023 Completion: Jan 28, 2023
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 Smokeless Tobacco Cessation and is currently completed. Duke University leads this study, which shows 13 recorded versions since 2020 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Apr 2020 – ~Jul 2020 · 3 months · monthly snapshot~Jul 2020 – ~Sep 2020 · 2 months · monthly snapshot~Sep 2020 – ~Dec 2020 · 3 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshot~Dec 2021 – ~Sep 2022 · 9 months · monthly snapshot~Sep 2022 – ~Nov 2022 · 2 months · monthly snapshot~Nov 2022 – ~May 2023 · 6 months · monthly snapshot~May 2023 – ~Sep 2023 · 4 months · monthly snapshot~Sep 2023 – ~Jul 2024 · 10 months · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – present · 22 months · monthly snapshot

Change History

13 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed NA

  2. Aug 2024 — Sep 2024 [monthly]

    Completed NA

  3. Jul 2024 — Aug 2024 [monthly]

    Completed NA

  4. Sep 2023 — Jul 2024 [monthly]

    Completed NA

  5. May 2023 — Sep 2023 [monthly]

    Completed NA

    Status: Active Not RecruitingCompleted

Show 8 earlier versions
  1. Nov 2022 — May 2023 [monthly]

    Active Not Recruiting NA

  2. Sep 2022 — Nov 2022 [monthly]

    Active Not Recruiting NA

    Status: RecruitingActive Not Recruiting

  3. Dec 2021 — Sep 2022 [monthly]

    Recruiting NA

  4. Jan 2021 — Dec 2021 [monthly]

    Recruiting NA

  5. Dec 2020 — Jan 2021 [monthly]

    Recruiting NA

    Status: Not Yet RecruitingRecruiting

  6. Sep 2020 — Dec 2020 [monthly]

    Not Yet Recruiting NA

  7. Jul 2020 — Sep 2020 [monthly]

    Not Yet Recruiting NA

  8. Apr 2020 — Jul 2020 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Duke University
Data source: Duke University

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

Study Locations