Obstructive Sleep Apnea Clinical Trial
Official title:
Pulmonary Abnormalities, Diastolic Dysfunction, and World Trade Center Exposure: Implications for Diagnosis and Treatment
This project will evaluate the effects of World Trade Center (WTC) exposure in WTC responders 10-13 years following the events of 9/11. Prior studies have described persistent pulmonary function abnormalities in a significant portion of responders. The investigators study seeks to examine the relationship between pulmonary function abnormalities and other markers of chronic cardiopulmonary disease and further elucidate the pathophysiologic effects of exposure to inhaled particulate matter (PM) on 9/11. This study will provide critical information regarding risk of exposure to PM, risk factors for disease and potential for improvements in diagnosis and treatment.
Status | Completed |
Enrollment | 1012 |
Est. completion date | June 2014 |
Est. primary completion date | June 2014 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 40 Years and older |
Eligibility |
Inclusion Criteria: - World Trade Center responders who are currently enrolled in the World Trade Center Health Program-Clinical Center of Excellence, formerly known as the WTC Medical Monitoring and Treatment Program - Over the age of 39 years |
Observational Model: Case-Only, Time Perspective: Cross-Sectional
Country | Name | City | State |
---|---|---|---|
United States | Icahn School of Medicine at Mount Sinai | New York | New York |
Lead Sponsor | Collaborator |
---|---|
Icahn School of Medicine at Mount Sinai | National Institute for Occupational Safety and Health (NIOSH/CDC) |
United States,
Brook RD, Franklin B, Cascio W, Hong Y, Howard G, Lipsett M, Luepker R, Mittleman M, Samet J, Smith SC Jr, Tager I; Expert Panel on Population and Prevention Science of the American Heart Association. Air pollution and cardiovascular disease: a statement for healthcare professionals from the Expert Panel on Population and Prevention Science of the American Heart Association. Circulation. 2004 Jun 1;109(21):2655-71. Review. — View Citation
Brook RD, Rajagopalan S, Pope CA 3rd, Brook JR, Bhatnagar A, Diez-Roux AV, Holguin F, Hong Y, Luepker RV, Mittleman MA, Peters A, Siscovick D, Smith SC Jr, Whitsel L, Kaufman JD; American Heart Association Council on Epidemiology and Prevention, Council on the Kidney in Cardiovascular Disease, and Council on Nutrition, Physical Activity and Metabolism. Particulate matter air pollution and cardiovascular disease: An update to the scientific statement from the American Heart Association. Circulation. 2010 Jun 1;121(21):2331-78. doi: 10.1161/CIR.0b013e3181dbece1. Epub 2010 May 10. Review. — View Citation
Clark RN, Green R, Swayze G, et al. Environmental studies of the World Trade Center area after the September 11, 2001 attack. Available at: http://pubs.usgs.gov/of/2001/ofr-01-0429.
Croft L, McLaughlin MA, Bander J, et al. First Documentation of Cardiac Dysfunction Following Exposure to the World Trade Center Disaster. JACC. 2010;55:A86.E810.
Dominici F, Peng RD, Bell ML, Pham L, McDermott A, Zeger SL, Samet JM. Fine particulate air pollution and hospital admission for cardiovascular and respiratory diseases. JAMA. 2006 Mar 8;295(10):1127-34. — View Citation
Hamade AK, Tankersley CG. Interstrain variation in cardiac and respiratory adaptation to repeated ozone and particulate matter exposures. Am J Physiol Regul Integr Comp Physiol. 2009 Apr;296(4):R1202-15. doi: 10.1152/ajpregu.90808.2008. Epub 2009 Jan 21. — View Citation
Herbert R, Moline J, Skloot G, Metzger K, Baron S, Luft B, Markowitz S, Udasin I, Harrison D, Stein D, Todd A, Enright P, Stellman JM, Landrigan PJ, Levin SM. The World Trade Center disaster and the health of workers: five-year assessment of a unique medical screening program. Environ Health Perspect. 2006 Dec;114(12):1853-8. — View Citation
Landrigan PJ, Lioy PJ, Thurston G, Berkowitz G, Chen LC, Chillrud SN, Gavett SH, Georgopoulos PG, Geyh AS, Levin S, Perera F, Rappaport SM, Small C; NIEHS World Trade Center Working Group. Health and environmental consequences of the world trade center disaster. Environ Health Perspect. 2004 May;112(6):731-9. Review. — View Citation
Lioy PJ, Weisel CP, Millette JR, Eisenreich S, Vallero D, Offenberg J, Buckley B, Turpin B, Zhong M, Cohen MD, Prophete C, Yang I, Stiles R, Chee G, Johnson W, Porcja R, Alimokhtari S, Hale RC, Weschler C, Chen LC. Characterization of the dust/smoke aerosol that settled east of the World Trade Center (WTC) in lower Manhattan after the collapse of the WTC 11 September 2001. Environ Health Perspect. 2002 Jul;110(7):703-14. — View Citation
McGee JK, Chen LC, Cohen MD, Chee GR, Prophete CM, Haykal-Coates N, Wasson SJ, Conner TL, Costa DL, Gavett SH. Chemical analysis of World Trade Center fine particulate matter for use in toxicologic assessment. Environ Health Perspect. 2003 Jun;111(7):972-80. — View Citation
McLaughlin MA, Tamler R, Woodward M, Moline J, Sawit ST, O'Boyle J, Berookhim B, Lu K, Bar-Chama N. Hypogonadism is Independently Associated with Obstructive Sleep Apnea in Middle-aged Men. Poster session presented at: American Heart Association Quality of Care and Outcomes Research 2011 Scientific Sessions; 2011 May 12-14; Washington, DC.
Pope CA 3rd, Hansen ML, Long RW, Nielsen KR, Eatough NL, Wilson WE, Eatough DJ. Ambient particulate air pollution, heart rate variability, and blood markers of inflammation in a panel of elderly subjects. Environ Health Perspect. 2004 Mar;112(3):339-45. — View Citation
Shamsuzzaman AS, Gersh BJ, Somers VK. Obstructive sleep apnea: implications for cardiac and vascular disease. JAMA. 2003 Oct 8;290(14):1906-14. Review. — View Citation
Tankersley CG, Champion HC, Takimoto E, Gabrielson K, Bedja D, Misra V, El-Haddad H, Rabold R, Mitzner W. Exposure to inhaled particulate matter impairs cardiac function in senescent mice. Am J Physiol Regul Integr Comp Physiol. 2008 Jul;295(1):R252-63. doi: 10.1152/ajpregu.00697.2007. Epub 2008 Apr 30. — View Citation
Webber MP, Lee R, Soo J, Gustave J, Hall CB, Kelly K, Prezant D. Prevalence and incidence of high risk for obstructive sleep apnea in World Trade Center-exposed rescue/recovery workers. Sleep Breath. 2011 Sep;15(3):283-94. doi: 10.1007/s11325-010-0379-7. Epub 2010 Jul 1. — View Citation
* Note: There are 15 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Spirometry | To evaluate the persistent longitudinal effects of pulmonary function abnormalities (spirometry) and additionally demonstrate prevalence of impaired DLCO in WTC responders. | day 1 | No |
Secondary | RV diastolic dysfunction | To determine the relationship between pulmonary function abnormalities (spirometry and DLCO) and cardiac dysfunction using echocardiograms to measure right ventricular (RV) diastolic dysfunction. | day 1 | No |
Secondary | LV diastolic function | To evaluate the association between levels of exposure to inhaled particulate matter on cardiac dysfunction as measured by left ventricular (LV) diastolic function or evidence of subclinical atherosclerosis with high risk coronary calcium scores in WTC responders. | day 1 | No |
Secondary | obstructive sleep apnea risk | To determine the risks of developing obstructive sleep apnea (OSA) in the WTC responder population, and to evaluate the effect of OSA on mediating diastolic dysfunction. | day 1 | No |
Secondary | microvascular and cardiovascular disease | To demonstrate specific mediators and pathways that link effects of inhaled particulate matter to microvascular and cardiovascular disease. This objective will be explored using measurements of vascular reactivity (peripheral arterial tonometry) and serum inflammatory and hemostatic markers from blood stored at the initial monitoring visit, as well as current blood samples. | day 1 | No |
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