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Virtual coach aims to help smokers kick the habit and move more

NCT ID NCT06095999

Symptom relief Sponsor: Leiden University Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested a virtual coach delivered through a smartphone app to help adults quit smoking and increase physical activity. One hundred participants used the coach for about 16 weeks, with personalized chat conversations and exercises. The goal was to see if the program is feasible, acceptable, and shows early signs of helping people change their habits.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
virtual coaching intervention (behavioral)
What this could lead to
If successful, this could lead to a scalable, personalized eHealth tool that helps people quit smoking and become more active, reducing heart disease risk.
What could go wrong
This is a small, single-arm feasibility study with no control group, so results may not prove effectiveness. The intervention relies on self-reported data and may not work for everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

100 people

The number who actually took part.

Started

Sep 2023

Finished

Jul 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 18 years or older * Current smoker (cigarette, cigar, or rolling tobacco) * Intention to quit smoking between now and 6 weeks * Being able to walk without pain complaints * Being able to understand and read Dutch (B1 level) * Having access to the internet and a smartphone In addition, at least 50% of sample has ≥10% risk of CVD (Nederlands Huisartsen Genootschap, 2019), estimated on basis of: \- Being female and 55+ years old OR male and 50+ years old Finally, at least 75% of sample is: \- Living in region Leiden (region between Leiden/Amsterdam/Utrecht) Exclusion Criteria: * Being involved in smoking cessation therapy/counseling at the start of the intervention. * Has undergone major lower extremity surgery in the past year (to prevent giving PA advice that contradicts medical guidance). * Taking antipsychotics or having a serious psychiatric illness (e.g., schizophrenia/psychosis, bipolar disorder, major depression). * Being pregnant. * Not able to wear the smartwatch throughout the day (e.g., when individuals are not allowed to wear a watch at work)

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Conditions

The condition(s) this trial relates to.

Motor Activity Smoking Smoking Cessation

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Low physical activity level Smoking

Contacts and locations

Locations

  • Leiden University Medical Center (LUMC)

    Leiden, South Holland, 2333 RC, Netherlands

More trials for these conditions

Other studies related to the condition(s) this trial covers.