Virtual Reality-Based Smoking Cessation Treatment in Patients With Schizophrenia

May 29, 2026 updated by: Emine Ilgın Hoşgelen, Dokuz Eylul University

Schizophrenia is associated with high rates of cigarette smoking, which contributes to serious physical health problems and reduced life expectancy. Existing smoking cessation treatments have shown limited long-term success in this population. Virtual Reality-based interventions may provide a new approach for supporting smoking cessation.

This study evaluated the effects of a 10-week virtual reality-based smoking cessation program in patients with schizophrenia and healthy smokers. Participants were assigned to either a virtual reality intervention group or a no-intervention control group. Smoking behavior, nicotine dependence, clinical symptoms, cognitive functioning, and quality of life were assessed before and after the intervention period.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Schizophrenia is associated with elevated rates of cigarette smoking compared with the general population. Smoking is considered one of the major contributors to reduced life expectancy and increased physical morbidity in individuals with schizophrenia. Previous pharmacological and behavioral smoking cessation interventions have demonstrated limited effectiveness in this population, with low long-term abstinence rates and frequent relapse.

Virtual Reality has recently emerged as a promising therapeutic tool in mental health research. Studies conducted in non-clinical populations suggest that virtual reality-based interventions may support smoking cessation by providing immersive and controlled environments related to smoking behavior and craving management. However, there is currently limited research examining the effectiveness of virtual reality-based smoking cessation interventions in schizophrenia.

The present study investigated the effects of a 10-week virtual reality-based smoking cessation intervention in patients with schizophrenia and healthy smokers. The study included four parallel groups: schizophrenia patients receiving virtual reality intervention, schizophrenia patients receiving no intervention, healthy controls receiving virtual reality intervention, and healthy controls receiving no intervention. Participants were evaluated before and after the intervention period using measures of nicotine dependence, cigarette consumption, clinical symptoms, neuropsychological performance, quality of life, and social condition.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
160

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Turkey (Türkiye)
    • Balçova
      • Izmir, Balçova, Turkey (Türkiye), 35330
        • Dokuz Eylul University Faculty of Medicine

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Being between 18 and 60 years of age
  • Being on a stable dose of the same antipsychotic medication for the previous 12 weeks
  • Being able to read and write in Turkish
  • Scoring at least 3 on the Fagerström Test for Nicotine Dependence

Exclusion Criteria:

  • Diagnosis of any severe physical or neurological disorder affecting clinical functioning
  • Presence of auditory or visual impairment
  • Alcohol or substance use disorder/dependence
  • Having Intellectual disability
  • Suicidal risk or harmful/aggressive behavior
  • Any pulmonary disease or severe respiratory condition
  • Having prior smoking cessation treatment or intervention history
  • Having received electroconvulsive therapy (ECT) within the past 6 months

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Schizophrenia VR Intervention Group
Patients with schizophrenia who received Virtual Reality-based smoking cessation treatment for 10 weeks.
Behavioral: Schizophrenia VR Intervention Group
Participants received Virtual Reality-based smoking cessation treatment consisting of immersive virtual scenarios designed to reduce smoking behavior and support smoking cessation. The intervention was administered over 10 weeks through structured virtual reality sessions.
No Intervention: Schizophrenia Control Group
Patients with Schizophrenia who received no smoking cessation intervention during the 10-week study period.
Experimental: Healthy Control VR Intervention Group
Healthy control participants who received Virtual Reality-based smoking cessation treatment for 10 weeks.
Behavioral: Healthy Control VR Intervention Group
Participants received Virtual Reality-based smoking cessation treatment consisting of immersive virtual scenarios designed to reduce smoking behavior and support smoking cessation. The intervention was administered over 10 weeks through structured virtual reality sessions.
No Intervention: Healthy Control No-Intervention Group
Healthy control participants who received no smoking cessation intervention during the 10-week study period.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Fagerstrom Test for Nicotine Dependence (FTND)
Time Frame: From enrollment to the end of treatment at 10 weeks.
The Fagerström Test for Nicotine Dependence, developed by Karl Fagerström in 1996 (Fagerström et al., 1996), was used to assess the level of nicotine dependence. The FTND is a self-report measure consisting of six items, with total scores ranging from 0 to 10; higher scores indicate greater nicotine dependence. In this study, the FTND was administered at baseline before the intervention and again at the post-treatment assessment conducted 10 weeks later.
From enrollment to the end of treatment at 10 weeks.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Dokuz Eylul University

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
The Scientific and Technological Research Council of Turkey

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Köksal Alptekin, Professor, Dokuz Eylul University Faculty of Medicine

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 17, 2018

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
January 15, 2020

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
January 15, 2020

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
May 24, 2026

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 24, 2026

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
June 1, 2026

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 2, 2026

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 29, 2026

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • TBTK-116S399

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Data may be shared upon reasonable request to the study investigators, provided that the proposed use is scientifically justified and complies with ethical and confidentiality requirements.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • ICF

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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