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Respiratory Effects of Treatment with a Glucagon-Like Peptide-1 Receptor Agonist in Patients Suffering from Obesity and Chronic Obstructive Pulmonary Disease

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Abstract

Purpose: Chronic obstructive pulmonary disease (COPD) affects millions of people worldwide. Obesity is commonly seen concomitantly with COPD. People with COPD have reduced quality of life, reduced physical activity, chronic respiratory symptoms, and may suffer from frequent clinical exacerbations. Liraglutide is a glucagon-like peptide-1 receptor agonist (GLP-1RA) approved for weight loss and treatment of type-2 diabetes mellitus. In addition, liraglutide exerts anti-inflammatory actions by reducing IL-6 and MCP-1 levels. We investigated the effect of liraglutide on pulmonary function in people suffering from obesity and COPD. Patients and Methods: In this controlled, double-blind trial, 40 people with obesity and COPD from two outpatient clinics were allocated randomly to receive liraglutide (3.0 mg, s.c.) or placebo (s.c.) for 40 weeks. At baseline and after 4, 20, 40, and 44 weeks, participants underwent pulmonary-function tests, 6-min walking test, and replied to a questionnaire regarding the clinical impact of COPD (COPD assessment test (CAT)-score). Results: Compared with placebo, liraglutide use resulted in significant weight loss, increased forced vital capacity (FVC) and carbon monoxide diffusion capacity, and improved CAT-score. We found no significant changes in forced expiratory volume in one second (FEV1), FEV1/FVC, or 6-min walking distance. Conclusion: In patients suffering from obesity and COPD, 40 weeks of treatment with liraglutide improved some measures of pulmonary function. Our study suggests that liraglutide at 3.0 mg may be appropriate treatment in patients with obesity and COPD.

Original languageEnglish
JournalInternational Journal of Chronic Obstructive Pulmonary Disease
Volume17
Pages (from-to)405-414
ISSN1178-2005
DOIs
Publication statusPublished - 2022

Bibliographical note

Publisher Copyright:
© 2022 Altintas Dogan et al.

Funding

Study medication and running costs were provided by Novo Nordisk as a part of the Investigator Sponsored Studies Program. We also had financial support from Karola Jørgensens Forskningsfond, Research Council of Hospital South West Jutland, University Hospital of Southern Denmark, and Region of Southern Denmark. We grateful to the Open Patient data Explorative Network. We are indebted to the Unit for Thrombosis Research, Department of Clinical Biochemistry, in Hospital South West Jutland, University Hospital of Southern Denmark, Esbjerg, Denmark for handling blood samples and biochemical measurements. We are also thankful to the study nurses at Hospital South West Jutland and to Sygehus Lillebaelt for excellent technical assistance. We thank Jeppe Gram (MD, PhD) for invaluable scientific advice. Study medication and running costs were provided by Novo Nordisk as a part of the Investigator Sponsored Studies Program. We also had financial support from Karola J?rgensens Forskningsfond, Research Council of Hospital South West Jutland, University Hospital of Southern Denmark, and Region of Southern Denmark.

Keywords

  • COPD
  • GLP-1 RA
  • Inflammation
  • Obesity
  • Spirometry

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