- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT01754922
Effects of Deployment Exposures on Cardiopulmonary and Autonomic Function (AirHzds)
Přehled studie
Postavení
Detailní popis
Evidence is clear that Veterans deployed to Operations Enduring and Iraqi Freedom and Operation New Dawn (OEF/OIF/OND) have been exposed to high levels of particulate matter (PM) that exceeded environmental, occupational and military exposure guidelines. PM exposure is acknowledged as a risk factor for cardiovascular morbidity and mortality, and can increase the risk of and exacerbate airway disease. The reviewed epidemiology indicates a high prevalence of newly reported respiratory symptoms in OEF/OIF/OND Veterans that has significantly affected their deployment duties, including their physical exertion capability. Despite these retrospective data and limited air sampling reports, prospective studies are lacking. This pilot study will evaluate cardiorespiratory and autonomic function in OEF/OIF/OND Veterans as compared to Veterans never deployed to the region.
To evaluate cardiopulmonary function, each Veteran will undergo a standardized exercise challenge and bronchodilator spirometry. To evaluate autonomic nervous system function, investigators will examine indices of heart rate variability and cardiovascular reflex regulation (e.g. baroreflex sensitivity and cerebral autoregulation) during a variety of tasks.
Data derived from this pilot project will yield important insight on the extent and severity of cardiorespiratory and/or autonomic impairments - data that may provide intervention points for attenuating long-term adverse outcomes such as pulmonary and cardiovascular disease. Through early identification, treatment options (e.g. exercise therapy, pharmaceutical) may be implemented to enhance physiological function, with the goal of helping to alleviate symptoms and reduce chronic disease risk.
Typ studie
Zápis (Aktuální)
Kontakty a umístění
Studijní místa
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New Jersey
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East Orange, New Jersey, Spojené státy, 07018
- East Orange Campus of the VA New Jersey Health Care System, East Orange, NJ
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Metoda odběru vzorků
Studijní populace
Popis
Inclusion Criteria:
- Male and female Veterans between 18 - 55 years of age will be identified and screened for this study.
- Two study cohorts will be recruited and attempts will be made to match group composition on age, body mass index and smoking history.
- Veterans assigned to the Exposed group must have been deployed to OEF/OIF for a minimum of 90 consecutive days.
- The Control group will consist of Veterans never deployed to Southwest Asia (i.e. OEF/OIF, Persian Gulf War) but were deployed during the same time period.
- Each Veteran will complete a detailed exposure history questionnaire to confirm and support their group assignment.
Exclusion Criteria:
Participants must not meet any of the contraindications to exercise testing as described in the joint statement from the American College of Cardiology and American Heart Association. Also, individuals with history of any of the following will also be excluded:
- asthma (pre-military)
- cardiovascular disease
- neurological impairment/disorder
- pregnant
- uncontrollable hypertension (SBP > 160; DBP > 100)
- or have suffered severe/moderate traumatic brain injury within the last three years
- eye/chest/abdominal surgery in last 3 months
- tuberculosis exposure to self or household member
- history of aneurysm or collapsed lung
- history of detached retina
- stroke or heart attack in the last 3 months
- and history of coughing up blood in last three months
(With the exception of hypertension and pregnancy (urine test), all exclusion criteria will be determined via self-report)
Studijní plán
Jak je studie koncipována?
Detaily designu
Kohorty a intervence
Skupina / kohorta |
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Exposed
Veterans deployed to OEF/OIF/OND and environmentally exposed to high levels of particulate matter
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Control
OEF/OIF/OND Veterans deployed to regions other than Southwest Asia
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
---|---|---|
FEV1
Časové okno: Pre/post exercise; cross-sectional
|
Forced expiratory volume in 1 second (FEV1) measured before and after an exercise challenge
|
Pre/post exercise; cross-sectional
|
VO2 Peak
Časové okno: At peak exercise; cross-sectional
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Maximal oxygen consumption measured during exercise
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At peak exercise; cross-sectional
|
Heart Rate Variability
Časové okno: Resting baseline; cross-sectional
|
Ratio of low-frequency to high-frequency power for heart rate variability
|
Resting baseline; cross-sectional
|
Spolupracovníci a vyšetřovatelé
Vyšetřovatelé
- Vrchní vyšetřovatel: Michael Joseph Falvo, PhD, East Orange Campus of the VA New Jersey Health Care System, East Orange, NJ
Publikace a užitečné odkazy
Užitečné odkazy
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Odhad)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Další relevantní podmínky MeSH
Další identifikační čísla studie
- F1079-P
- 1I21RX001079-01A (Jiné číslo grantu/financování: VA ORD RR&D)
- 1I21RX001079-01 (Grant/smlouva NIH USA)
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