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ClinicalTrials.gov public records Last synced Sep 3, 2026, 6:40 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
QuitBot Smoking Cessation Chatbot Program, QuitBot Smoking Cessation Text Messaging Program, Survey Administration, Interview, Carbon Monoxide Measurement
Device · Other · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
772 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Trial of the First Conversational Agent for Smoking Cessation (QuitBot)

NCT03585231
Conditions
Smoking Cessation
Interventions
Immediate access to novel messaging program intervention, Immediate access to standard of care messaging program intervention, Delayed access to novel novel messaging program intervention
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
404 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers Results available

An Innovative Conversational Agent (Quitbot) for Smoking Cessation

NCT04308759
Conditions
Smoking &Amp; Tobacco Cessation
Interventions
Experimental Smoking Cessation Program, Control Smoking Cessation Program
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,647 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Seattle, Washington