Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT02515500 · ClinicalTrials.gov registry record · NA

Cigarette Reduction Using the Quitbit Digital Lighter and Mobile Application for Smoking Cessation: a Randomized Controlled Trial

A NA study, sponsored by University of California, San Francisco.

Completed
Registry status
NA
Development phase
124
Enrollment target

NCT02515500: Completed NA study, sponsored by University of California, San Francisco.

NCT02515500 is a NA study that has completed, run by University of California, San Francisco. The registered enrollment target is 124 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (91% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT02515500, a NA study, has completed, sponsored by University of California, San Francisco.

COMPLETED
Registry status
NA
Development phase
124 participants
Enrollment target

Study Summary

The study is designed to evaluate the efficacy of a cigarette reduction intervention using a novel device called the Quitbit, a digital lighter paired with a smartphone mobile application, to enhance self-regulatory techniques for reducing cigarettes smoked per day toward cessation.

Interventions

  • BEHAVIORAL Gradual Cessation
  • BEHAVIORAL Gradual Cessation w/ Quitbit

Trial Details

FieldValue
Enrollment Target 124 participants
Start Date 2016-06
Est. Completion 2018-06
Phase NA

What the finished NCT02515500 record still lists

NCT02515500 is an interventional study that assigns participants to a tested intervention. The registered 124 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (91% lower).

The record links to 0 conditions, and to 2 interventions - of which Gradual Cessation is the first listed.

NCT02515500 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT02515500 about?

NCT02515500 is a clinical study titled "Cigarette Reduction Using the Quitbit Digital Lighter and Mobile Application for Smoking Cessation: a Randomized Controlled Trial". The study is designed to evaluate the efficacy of a cigarette reduction intervention using a novel device called the Quitbit, a digital lighter paired with a smartphone mobile application, to enhance self-regulatory techniques for reducing cigarettes smoked per day toward cessation.

What is the current status of trial NCT02515500?

This trial is currently completed. It is a NA study. The enrollment target is 124 participants. The study started on 2016-06. Estimated completion is 2018-06.

What interventions are being tested in trial NCT02515500?

The interventions under investigation include: Gradual Cessation (BEHAVIORAL), Gradual Cessation w/ Quitbit (BEHAVIORAL).

Who is sponsoring clinical trial NCT02515500?

This trial is sponsored by University of California, San Francisco, which has 1,713 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT02515500's enrollment target sits among peer trials

124 758th of 2000 higher than 1,239 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02523014 · 124 participants · Phase 2

    Vismodegib, FAK Inhibitor GSK2256098, Capivasertib, and Abemaciclib in Treating Patients With Progressive Meningiomas

  • NCT02670707 · 124 participants · Phase 3

    Vinblastine/Prednisone Versus Single Therapy With Cytarabine for Langerhans Cell Histiocytosis (LCH)

  • NCT02830724 · 124 participants · Phase 1

    Administering Peripheral Blood Lymphocytes Transduced With a CD70-Binding Chimeric Antigen Receptor to People With CD70 Expressing Cancers

  • NCT04748809 · 124 participants · NA

    Effect of Anti-inflammatory Diet in Rheumatoid Arthritis

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT02515500, the US trial registry maintained by the National Library of Medicine. NCT02515500 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.