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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03431103
Other study ID # MM 0013
Secondary ID
Status Recruiting
Phase N/A
First received December 21, 2017
Last updated February 9, 2018
Start date December 5, 2016
Est. completion date May 1, 2019

Study information

Verified date February 2018
Source Salem Veterans Affairs Medical Center
Contact Kristine Allred
Phone 540-982-2463
Email kristine.allred@va.gov
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The overlap syndrome (OS), i.e. the association of both Chronic Obstructive Pulmonary Disease (COPD) and Obstructive Sleep Apnea (OSA) in a single Veteran, is prevalent and associated with increased cardiovascular disease (CVD) morbidity. Home-based exercise interventions that translate to a lifestyle with increased physical activity (PA) are an ideal strategy as 150 minutes of leisure time PA a week is associated with a significant reduction in risk of CVD related events and death. This novel research study will help develop a home exercise intervention that is largely accepted by OS Veterans, as a first step toward implementing PA into the routine medical care of the large Veteran population with COPD and OSA. This data will be used for larger studies on CVD risk and its modification with exercise in OS, a research area that is urgently needed given its high impact on Veterans' morbidity, mortality and health-care associated costs.


Description:

The term "overlap syndrome" (OS) is used to describe the association of both chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea disease (OSA) in a single Veteran. Given the high prevalence of both COPD and OSA, it is expected that a third of Veterans with OSA could be affected by OS. Importantly, Veterans with OS have a higher cardiovascular morbidity and mortality than either OSA or COPD-only Veterans, likely due to worse nocturnal hypoxia and subsequent inflammation and endothelial dysfunction. Therefore, therapy for Veterans with OS that decreases cardiovascular disease (CVD) by targeting inflammation is a high priority. Home-based exercise interventions that translate to a lifestyle with increased physical activity (PA) are an ideal strategy as 150 minutes of leisure time PA a week is associated with reduction in risk of CVD-related events and death. Further, PA decreases biomarkers of systemic inflammation. However, no data is available on the effect of exercise on biomarkers of systemic inflammation in Veterans with OS. It is difficult to increase the leisure time PA in adults with COPD and OSA as this population is more sedentary due to a combination of increased obesity, daytime sleepiness and dyspnea. Therefore, home-based exercise would be ideal for these Veterans. The objective of this proposal is to conduct a single arm 12-week home-based exercise pilot intervention to determine the effect on biomarkers of systemic inflammation in 50 Veterans with OS on CPAP. The investigator hypothesizes that 1) Baseline PA intensity and duration will correlate inversely with the biomarkers of systemic inflammation independently of nocturnal hypoxia; and 2) Exercise training using a home-based computer exercise program will decrease biomarkers of systemic inflammation and increase exercise capacity in Veterans.


Recruitment information / eligibility

Status Recruiting
Enrollment 50
Est. completion date May 1, 2019
Est. primary completion date May 1, 2019
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria:

- Veterans from the Salem VAMC pulmonary clinics will be screened for a diagnosis of OSA and treatment with CPAP therapy. In addition, an inclusion criterion also will be a recent PFT diagnostic of COPD (FEV1/FVC <0.7 and FEV1< 80%). Only Veterans with OS who are compliant with CPAP therapy will be enrolled in the study.

Exclusion Criteria:

- orthopedic problems, fall-risk, balance problems;

- any regular participation in structured exercise sessions;

- other concomitant sleep disorder;

- unstable cardiovascular or pulmonary disease;

- acute infectious illness in the prior month;

- hospitalization in prior month;

- prescription of systemic glucocorticoids or immune-suppressive agents in the prior month and

- weight above 330 pounds, the limit allowed by the Wii pressure sensor floor mat.

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Exercise
12 week home exercise program

Locations

Country Name City State
United States Salem VAMC Salem Virginia

Sponsors (1)

Lead Sponsor Collaborator
Salem Veterans Affairs Medical Center

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary To assess the relationship between baseline physical activity (meters obtained from 6 minute walk test) and serum hs-CRP (mg/L) We will measure baseline physical activity (meters obtained from 6 minute walk test) and serum hs-CRP (mg/L) prior to the home-based computer exercise program (Wii Fit) 24 months
Secondary To determine the impact of a 12-week home-based Wii Fit exercise program on physical activity (meters obtained from 6 minute walk test) and serum hs-CRP (mg/L) Physical activity (meters obtained from 6 minute walk test) and serum hs-CRP (mg/L) will be measured before and after a 12-week home-based Wii Fit exercise program 3 months
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