Related Experiment Video
Updated: Oct 17, 2025
Author Spotlight: Traditional Chinese Medicine for Sleep Disorders in Acute COPD — A Safe, Cost-Effective Approach
Published on: October 18, 2024
Novel pharmacological strategies to treat cognitive dysfunction in chronic obstructive pulmonary disease
Aleksandar Dobric1, Simone N De Luca1, Sarah J Spencer2
1School of Health & Biomedical Sciences, RMIT University, Melbourne, VIC, Australia.
Insights
Chronic obstructive pulmonary disease (COPD) causes cognitive dysfunction due to systemic inflammation. Targeting lung inflammation may treat both COPD and brain impairments.
Area of Science:
- Pulmonary Medicine
- Neurology
- Immunology
Background:
- Chronic obstructive pulmonary disease (COPD) is a leading cause of death and disability worldwide.
- COPD significantly impacts quality of life, survival, and healthcare costs, largely due to comorbidities and acute exacerbations.
- Cognitive dysfunction affects up to 60% of COPD patients, impairing executive function, memory, and attention.
Purpose of the Study:
- To explore the link between pulmonary oxidative stress and inflammation in COPD and subsequent cognitive dysfunction.
- To propose a mechanism where systemic inflammation from the lungs damages the brain.
- To highlight novel therapeutic opportunities for treating both COPD and associated cognitive impairments.
Main Methods:
- This review synthesizes current clinical and research findings on COPD, cognitive function, and neuropathology.
- It proposes a "spill-over" hypothesis linking pulmonary inflammation to brain damage.
- The review discusses potential therapeutic strategies targeting both pulmonary and neurological aspects.
Main Results:
- Cognitive dysfunction is highly prevalent in COPD patients, negatively impacting adherence and disease progression.
- Pulmonary oxidative burden and inflammation in COPD are hypothesized to cause systemic effects leading to brain damage.
- This systemic inflammation is proposed as the key mechanism underlying cognitive impairments in COPD.
Conclusions:
- Treating the underlying pulmonary inflammation and oxidative stress in COPD may concurrently address cognitive dysfunction.
- Simultaneous targeting of lung and brain pathologies offers a unique therapeutic avenue.
- Developing novel treatments that target this systemic inflammatory pathway could prevent and reverse cognitive decline in COPD.
Abstract:
Chronic obstructive pulmonary disease (COPD) is a major incurable global health burden and currently the 3rd largest cause of death in the world, with approximately 3.23 million deaths per year. Globally, the financial burden of COPD is approximately €82 billion per year and causes substantial morbidity and mortality. Importantly, much of the disease burden and health care utilisation in COPD is associated with the management of its comorbidities and viral and bacterial-induced acute exacerbations (AECOPD). Recent clinical studies have shown that cognitive dysfunction is present in up to 60% of people with COPD, with impairments in executive function, memory, and attention, impacting on important outcomes such as quality of life, hospitalisation and survival. The high prevalence of cognitive dysfunction in COPD may also help explain the insufficient adherence to therapeutic plans and strategies, thus worsening disease progression in people with COPD. However, the mechanisms underlying the impaired neuropathology and cognition in COPD remain largely unknown. In this review, we propose that the observed pulmonary oxidative burden and inflammatory response of people with COPD 'spills over' into the systemic circulation, resulting in damage to the brain and leading to cognitive dysfunction. As such, drugs targeting the lungs and comorbidities concurrently represent an exciting and unique therapeutic opportunity to treat COPD and cognitive impairments, which may lead to the production of novel targets to prevent and reverse the debilitating and life-threatening effects of cognitive dysfunction in COPD.
More Related Videos
05:34Author Spotlight: Utilizing Traditional Chinese Acupuncture of the Ear to Improve Sleep Disorders
Published on: August 18, 2023
04:59Heat-sensitive Moxibustion as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Insomnia
Published on: May 30, 2025
Related Concept Videos
01:29Chronic Obstructive Pulmonary Disease-V: Management
Smoking Cessation
01:26COPD: Management Using Bronchodilators and Corticosteroids
01:20Chronic Obstructive Pulmonary Disease-I: Introduction
01:30Chronic Obstructive Pulmonary Disease-V: Nursing Management
Assessment
01:30Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists
01:22Chronic Obstructive Pulmonary Disease
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...