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OpenTrials
Completed

NCT Number: NCT06421168

Lung Function in Bariatric Surgery Candidates

This study aims to retrospectively investigate the impact of body mass index on lung function metrics, e.g. FEV1%, FVC%, FEV1/FVC%.

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Key information

Conditions

Lung Function Decreased Body Weight Nutrition Disorders Nutritional and Metabolic Diseases Obesity Overnutrition Overweight Pathological Conditions, Signs and Symptoms Respiration Disorders Respiratory Insufficiency Respiratory Tract Diseases Signs and Symptoms

Age range

16 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Yuntao Nie

Beijing, 100029, China

Who can participate

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

Inclusion criteria

  • Subjects with obesity (BMI ≥ 27.5 kg/m2 according to Chinese guidelines, guidelines from the American Society for Metabolic and Bariatric Surgery and International Federation for the Surgery of Obesity and Metabolic Disorders);
  • Age > 16 years;
  • Complete preoperative pulmonary function tests

Exclusion criteria

  • Patients with a history of lung surgery and/or respiratory diseases (e.g. asthma, pulmonary emphysema, and interstitial pulmonary fibrosis).

Treatment and study plan

Primary outcomes

  1. FEV1, FVC, FEV1/FVC% in class 1, 2, and 3 obesity

    Time frame: At the time of pulmonary function testing

    Class 1 obesity: 27.5 kg/m2 < body mass index < 32.5 kg/m2; Class 2 obesity: 32.5 kg/m2 < body mass index < 37.5 kg/m2; Class 2 obesity: body mass index > 37.5 kg/m2.

Sponsors and collaborators

Lead sponsor

China-Japan Friendship Hospital

Other

Registry information

Official study title

The Impact of Body Mass Index on Lung Function in Bariatric Surgery Candidates

Important dates

Study start
2017
Primary completion
2023
Study completion
2023
First posted
May 20, 2024
Registry last updated
May 20, 2024

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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