deltatrials
Completed PHASE4 INTERVENTIONAL 2-arm NCT03950427

PARQuit Smoking Cessation Intervention for Adults With Serious Mental Illness (PARQuit)

Sponsor: Tobacco Related Disease Research Program

Conditions Mental Illness Smoking Cessation Smoking, Tobacco Tobacco Use Disorder
Interventions Bupropion Counseling Sedentary videogame Videogame-based physical activity
Updated 11 times since 2019 Last updated: Jul 30, 2025 Started: Jul 8, 2019 Primary completion: Jul 30, 2025 Completion: Jul 30, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Mental Illness and Smoking Cessation and is currently completed. Tobacco Related Disease Research Program leads this study, which shows 11 recorded versions since 2019 — indicating substantial longitudinal coverage. This study adds to the longitudinal dataset for psychiatric treatment development.

Status Flow

~Jun 2019 – ~Sep 2019 · 3 months · monthly snapshotNot Yet Recruiting~Sep 2019 – ~Sep 2020 · 12 months · monthly snapshotRecruiting~Sep 2020 – ~Jan 2021 · 4 months · monthly snapshotRecruiting~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshotRecruiting~Sep 2021 – ~Sep 2022 · 12 months · monthly snapshotRecruiting~Sep 2022 – ~Oct 2023 · 13 months · monthly snapshotRecruiting~Oct 2023 – ~Jul 2024 · 9 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotRecruiting~Sep 2024 – ~Jan 2025 · 4 months · monthly snapshotRecruiting~Jan 2025 – ~Sep 2025 · 8 months · monthly snapshotRecruiting~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

11 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE4

    Status: Recruiting → Completed

  2. Jan 2025 — Sep 2025 [monthly]

    Recruiting PHASE4

  3. Sep 2024 — Jan 2025 [monthly]

    Recruiting PHASE4

  4. Jul 2024 — Sep 2024 [monthly]

    Recruiting PHASE4

  5. Oct 2023 — Jul 2024 [monthly]

    Recruiting PHASE4

▶ Show 6 earlier versions

  1. Sep 2022 — Oct 2023 [monthly]

    Recruiting PHASE4

  2. Sep 2021 — Sep 2022 [monthly]

    Recruiting PHASE4

  3. Jan 2021 — Sep 2021 [monthly]

    Recruiting PHASE4

  4. Sep 2020 — Jan 2021 [monthly]

    Recruiting PHASE4

  5. Sep 2019 — Sep 2020 [monthly]

    Recruiting PHASE4

    Status: Not Yet Recruiting → Recruiting

  6. Jun 2019 — Sep 2019 [monthly]

    Not Yet Recruiting PHASE4

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Tobacco Related Disease Research Program
  • University of California, San Francisco
Data source: University of California, San Francisco

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

Study Locations