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Completed

NCT Number: NCT06967636

The Impact of Successful Quitting Smoking After Intensive Smoking Cessation Interventions on Morbidity and Mortality Among Smokers With Severe Mental Disorders - A Nationwide Cohort Study From the Danish Smoking Cessation Database

We evaluate intensive smoking cessation interventions (GSP) on morbidity and mortality in terms of assessing the impact among quitters and non-quitters with severe mental disorders (SMD)

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Key information

Conditions

Smoking Cessation, Mental Health Disorders, Inequality in Health Prevention Behavior Health Behavior Smoking Cessation

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • F20-F29, F30-F39, F60-F69, F10-F16, F18, F19
  • Participation in the GSP in Denmark

Exclusion criteria

  • Dual diagnosis (F00-F99 and a co-occurring substance-use disorder (F10-F16, F18, F19)
  • < 18 years
  • No consent to follow-up
  • No baseline smoking status

Treatment and study plan

Primary outcomes

  1. All-cause morbidity

    Time frame: January 2006 to January 2020

    Days of hospital contact of all causes

  2. All-cause mortality

    Time frame: January 2006 to January 2023

    Death from all causes

Sponsors and collaborators

Lead sponsor

Parker Research Institute

Other

Registry information

Official study title

The Impact of Successful Quitting Smoking After the Intensive Gold Standard Programme (GSP) on Morbidity and Mortality Among Smokers With Severe Mental Disorders - A Nationwide Cohort Study From the Danish STOPbase

Important dates

Study start
2006
Primary completion
2022
Study completion
2022
First posted
May 13, 2025
Registry last updated
May 13, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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