Study Results
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Basic Information
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ENROLLING_BY_INVITATION
EARLY_PHASE1
60 participants
INTERVENTIONAL
2011-01-31
2026-06-30
Brief Summary
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The overarching aims of the AIR program are to conceptualize, develop, and test the next-generation therapeutics, and novel asthma diagnostic and prognostic tools that will allow us to improve the standard of asthma care.
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Detailed Description
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Current diagnostic evaluation and monitoring are inadequate for proposed practice guidelines. The most commonly used test for evaluation of asthma is the measurement of airflow obstruction by spirometry. The National Asthma Education Prevention Program (NAEPP) and Expert Panel Reports set forth grading of asthma severity based on the frequency of symptoms, airflow, and the need for inhaled beta-agonists. Practice guidelines outline that the goals of therapy for asthma are to: maintain normal activity with near normal parameters of lung function, prevent exacerbations that lead to tissue injury, and avoid medication toxicity. In order to facilitate these goals, NAEPP defines key components for management including disease monitoring and stepped care pharmacotherapy. Unfortunately, there is no optimal plan for monitoring inflammation, which causes us to fail in key components in management of asthma. Limited options for anti-inflammatory treatments to control asthma likewise often lead to substantial morbidities due to treatment with high doses of corticosteroids. Our AIR program plans to develop novel asthma monitoring tests and design targeted therapeutics, which altogether may reduce toxicities and improve the long-term health of patients.
Impact on broad scientific advancement. Our cumulative studies provide fundamental information on the molecular mechanisms that contribute to unresolving and excessive inflammation that leads to tissue remodeling. This mechanistic knowledge is of broad scientific importance as nearly all chronic human diseases are defined by prolonged and active inflammation, with tissue destruction, and failed attempts at healing. Thus, our investigations will provide comprehensive knowledge and consequent translational deliverables that may be widely applicable as diagnostic strategies and therapies in other chronic inflammatory diseases.
Conditions
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Study Design
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RANDOMIZED
SINGLE_GROUP
OTHER
QUADRUPLE
Study Groups
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Nutritional Approach for Asthma
individuals will be provide a pre measured dose of medium chain triglyceride to consume along with their meals. They will be instructed to add the MCT to their meal 3 times per day
Nutritional approach for asthma
participants will be provided a medium chain triglyceride supplement or placebo
Standard American Diet
patients will consume their usual diet with a pre measured dose of canola oil in place of the medium chain triglyceride as a control group. They will be instructed to add the placebo dose to their meal 3 times a day
Nutritional approach for asthma
participants will be provided a medium chain triglyceride supplement or placebo
Alternate Day Diet
patients will consume a regular "Standard American Diet" for 4 weeks and then provided a regulated dosed quantity of low caloric value "shakes". they will consume this on alternating days
Low Caloric Shake
participants will be provided a low caloric dietary shake
Whole Lung Allergen Challenge
patients with or without asthma will be given controlled doses of specified allergens
whole lung allergen challenge
inhalation of allergens by allergic patients with or without asthma, will be used to define mechanisms underlying the development of airway inflammation
Interventions
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Nutritional approach for asthma
participants will be provided a medium chain triglyceride supplement or placebo
Low Caloric Shake
participants will be provided a low caloric dietary shake
whole lung allergen challenge
inhalation of allergens by allergic patients with or without asthma, will be used to define mechanisms underlying the development of airway inflammation
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* FEV1 is within acceptable limits
* Informed Consent is present
Exclusion Criteria
* Any milk allergies
* Coconut allergies
* BMI \>40 kg/m2,
* Inability to maintain diet intervention
* Current smoking or smoking history of greater than 10 pack-years
* Any other significant respiratory or cardiac disease or the presence of clinically important comorbidities, including, uncontrolled coronary artery disease, acute or and chronic renal failure
18 Years
75 Years
ALL
Yes
Sponsors
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The Cleveland Clinic
OTHER
Responsible Party
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Serpil Erzurum
Chair of Lerner Research Institute
Principal Investigators
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Serpil Erzurum, MD
Role: PRINCIPAL_INVESTIGATOR
The Cleveland Clinic
Locations
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Cleveland Clinic
Cleveland, Ohio, United States
Countries
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References
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National Asthma Education and Prevention Program. National Asthma Education and Prevention Program. Expert Panel Report: Guidelines for the Diagnosis and Management of Asthma Update on Selected Topics--2002. J Allergy Clin Immunol. 2002 Nov;110(5 Suppl):S141-219. No abstract available.
National Asthma Education and Prevention Program. Expert Panel Report 3 (EPR-3): Guidelines for the Diagnosis and Management of Asthma-Summary Report 2007. J Allergy Clin Immunol. 2007 Nov;120(5 Suppl):S94-138. doi: 10.1016/j.jaci.2007.09.043.
Dweik RA, Sorkness RL, Wenzel S, Hammel J, Curran-Everett D, Comhair SA, Bleecker E, Busse W, Calhoun WJ, Castro M, Chung KF, Israel E, Jarjour N, Moore W, Peters S, Teague G, Gaston B, Erzurum SC; National Heart, Lung, and Blood Institute Severe Asthma Research Program. Use of exhaled nitric oxide measurement to identify a reactive, at-risk phenotype among patients with asthma. Am J Respir Crit Care Med. 2010 May 15;181(10):1033-41. doi: 10.1164/rccm.200905-0695OC. Epub 2010 Feb 4.
Crapo RO, Morris AH, Gardner RM. Reference spirometric values using techniques and equipment that meet ATS recommendations. Am Rev Respir Dis. 1981 Jun;123(6):659-64. doi: 10.1164/arrd.1981.123.6.659.
Standardization of Spirometry, 1994 Update. American Thoracic Society. Am J Respir Crit Care Med. 1995 Sep;152(3):1107-36. doi: 10.1164/ajrccm.152.3.7663792. No abstract available.
Hankinson JL, Odencrantz JR, Fedan KB. Spirometric reference values from a sample of the general U.S. population. Am J Respir Crit Care Med. 1999 Jan;159(1):179-87. doi: 10.1164/ajrccm.159.1.9712108.
Juniper EF, Guyatt GH, Epstein RS, Ferrie PJ, Jaeschke R, Hiller TK. Evaluation of impairment of health related quality of life in asthma: development of a questionnaire for use in clinical trials. Thorax. 1992 Feb;47(2):76-83. doi: 10.1136/thx.47.2.76.
Dweik RA, Comhair SA, Gaston B, Thunnissen FB, Farver C, Thomassen MJ, Kavuru M, Hammel J, Abu-Soud HM, Erzurum SC. NO chemical events in the human airway during the immediate and late antigen-induced asthmatic response. Proc Natl Acad Sci U S A. 2001 Feb 27;98(5):2622-7. doi: 10.1073/pnas.051629498. Epub 2001 Feb 20.
Dweik RA, Lewis M, Kavuru M, Buhrow L, Erzurum SC, Thomassen MJ. Inhaled corticosteroids and beta-agonists inhibit oxidant production by bronchoalveolar lavage cells from normal volunteers in vivo. Immunopharmacology. 1997 Oct;37(2-3):163-6. doi: 10.1016/s0162-3109(97)00043-x.
Dweik RA, Mehta AC, Meeker DP, Arroliga AC. Analysis of the safety of bronchoscopy after recent acute myocardial infarction. Chest. 1996 Sep;110(3):825-8. doi: 10.1378/chest.110.3.825.
Dweik RA, Stoller JK. Role of bronchoscopy in massive hemoptysis. Clin Chest Med. 1999 Mar;20(1):89-105. doi: 10.1016/s0272-5231(05)70129-5.
American Thoracic Society; European Respiratory Society. ATS/ERS recommendations for standardized procedures for the online and offline measurement of exhaled lower respiratory nitric oxide and nasal nitric oxide, 2005. Am J Respir Crit Care Med. 2005 Apr 15;171(8):912-30. doi: 10.1164/rccm.200406-710ST. No abstract available.
Khatri SB, Hammel J, Kavuru MS, Erzurum SC, Dweik RA. Temporal association of nitric oxide levels and airflow in asthma after whole lung allergen challenge. J Appl Physiol (1985). 2003 Jul;95(1):436-40; discussion 435. doi: 10.1152/japplphysiol.01127.2002. Epub 2003 Feb 7.
Khatri SB, Ozkan M, McCarthy K, Laskowski D, Hammel J, Dweik RA, Erzurum SC. Alterations in exhaled gas profile during allergen-induced asthmatic response. Am J Respir Crit Care Med. 2001 Nov 15;164(10 Pt 1):1844-8. doi: 10.1164/ajrccm.164.10.2106119.
Wu W, Samoszuk MK, Comhair SA, Thomassen MJ, Farver CF, Dweik RA, Kavuru MS, Erzurum SC, Hazen SL. Eosinophils generate brominating oxidants in allergen-induced asthma. J Clin Invest. 2000 May;105(10):1455-63. doi: 10.1172/JCI9702.
Other Identifiers
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PAR-09-185
Identifier Type: OTHER
Identifier Source: secondary_id
10-1049
Identifier Type: -
Identifier Source: org_study_id
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