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An Innovative Conversational Agent (Quitbot) for Smoking Cessation

NCT04308759 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 1647

Last updated 2026-05-22

Study results available
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Summary

This phase III trial compares two remote digital smoking cessation programs to see how well they work for quitting smoking.

Conditions

  • Smoking &Amp; Tobacco Cessation

Interventions

OTHER

Experimental Smoking Cessation Program

Participate in Quitbot experimental cessation program

OTHER

Control Smoking Cessation Program

Participate in Quitbot control cessation program

Sponsors & Collaborators

  • National Cancer Institute (NCI)

    collaborator NIH

  • Fred Hutchinson Cancer Center

    lead OTHER

Principal Investigators

  • Jonathan B. Bricker · Fred Hutch/University of Washington Cancer Consortium

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2022-07-24
Primary Completion
2025-05-01
Completion
2026-04-08

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04308759 on ClinicalTrials.gov