Ignite Creation Date:
2025-12-24 @ 11:45 PM
Ignite Modification Date:
2025-12-25 @ 9:38 PM
Study NCT ID:
NCT05222451
Status:
COMPLETED
Last Update Posted:
2025-02-04
First Post:
2022-01-05
Is NOT Gene Therapy:
False
Has Adverse Events:
False
Brief Title:
Nutrition for Asthmatics with Obesity
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D001249', 'term': 'Asthma'}, {'id': 'D009765', 'term': 'Obesity'}, {'id': 'D007662', 'term': 'Ketosis'}], 'ancestors': [{'id': 'D001982', 'term': 'Bronchial Diseases'}, {'id': 'D012140', 'term': 'Respiratory Tract Diseases'}, {'id': 'D008173', 'term': 'Lung Diseases, Obstructive'}, {'id': 'D008171', 'term': 'Lung Diseases'}, {'id': 'D012130', 'term': 'Respiratory Hypersensitivity'}, {'id': 'D006969', 'term': 'Hypersensitivity, Immediate'}, {'id': 'D006967', 'term': 'Hypersensitivity'}, {'id': 'D007154', 'term': 'Immune System Diseases'}, {'id': 'D050177', 'term': 'Overweight'}, {'id': 'D044343', 'term': 'Overnutrition'}, {'id': 'D009748', 'term': 'Nutrition Disorders'}, {'id': 'D009750', 'term': 'Nutritional and Metabolic Diseases'}, {'id': 'D001835', 'term': 'Body Weight'}, {'id': 'D012816', 'term': 'Signs and Symptoms'}, {'id': 'D013568', 'term': 'Pathological Conditions, Signs and Symptoms'}, {'id': 'D000138', 'term': 'Acidosis'}, {'id': 'D000137', 'term': 'Acid-Base Imbalance'}, {'id': 'D008659', 'term': 'Metabolic Diseases'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D055423', 'term': 'Diet, Ketogenic'}], 'ancestors': [{'id': 'D050528', 'term': 'Diet, Carbohydrate-Restricted'}, {'id': 'D004035', 'term': 'Diet Therapy'}, {'id': 'D044623', 'term': 'Nutrition Therapy'}, {'id': 'D013812', 'term': 'Therapeutics'}, {'id': 'D004032', 'term': 'Diet'}, {'id': 'D009747', 'term': 'Nutritional Physiological Phenomena'}, {'id': 'D000066888', 'term': 'Diet, Food, and Nutrition'}, {'id': 'D010829', 'term': 'Physiological Phenomena'}]}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'TRIPLE', 'whoMasked': ['PARTICIPANT', 'INVESTIGATOR', 'OUTCOMES_ASSESSOR'], 'maskingDescription': 'Participants will not be made aware of the diet allocation. However, due inherent differences in macronutrient content of the diets, participants may perceive differences in the quantity of various food groups or in the taste, texture or smell of foods present in the diet. To address this, diets will be designed to minimize noticeable differences for the participant. The investigator and outcomes assessor will remain fully masked to diet provision.'}, 'primaryPurpose': 'OTHER', 'interventionModel': 'FACTORIAL'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 10}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2022-06-27', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2025-01', 'completionDateStruct': {'date': '2024-12-31', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2025-02-03', 'studyFirstSubmitDate': '2022-01-05', 'studyFirstSubmitQcDate': '2022-01-24', 'lastUpdatePostDateStruct': {'date': '2025-02-04', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2022-02-03', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2024-12-18', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Asthma Control', 'timeFrame': 'Baseline', 'description': 'Asthma Control Questionnaire score (Juniper; 1 week recall period) Score range: 0-6. Minimally important difference = 0.5.'}, {'measure': 'Asthma Control', 'timeFrame': 'After 7 days on Diet#1', 'description': 'Asthma Control Questionnaire score (Juniper; 1 week recall period) Score range: 0-6. Minimally important difference = 0.5.'}, {'measure': 'Asthma Control', 'timeFrame': 'After 7 days on Diet#2', 'description': 'Asthma Control Questionnaire score (Juniper; 1 week recall period) Score range: 0-6. Minimally important difference = 0.5.'}, {'measure': 'Asthma Control', 'timeFrame': 'After 7 days on Diet#3', 'description': 'Asthma Control Questionnaire score (Juniper; 1 week recall period) Score range: 0-6. Minimally important difference = 0.5.'}], 'secondaryOutcomes': [{'measure': 'Lung Function', 'timeFrame': 'Baseline', 'description': 'FEV1 (forced expiratory volume in 1 second; % of predicted)'}, {'measure': 'Lung Function', 'timeFrame': 'After 7 days on Diet#1', 'description': 'FEV1 (forced expiratory volume in 1 second; % of predicted)'}, {'measure': 'Lung Function', 'timeFrame': 'After 7 days on Diet#2', 'description': 'FEV1 (forced expiratory volume in 1 second; % of predicted)'}, {'measure': 'Lung Function', 'timeFrame': 'After 7 days on Diet#3', 'description': 'FEV1 (forced expiratory volume in 1 second; % of predicted)'}, {'measure': 'FENO', 'timeFrame': 'Baseline', 'description': 'FENO (ppm)'}, {'measure': 'FENO', 'timeFrame': 'After 7 days on Diet#1', 'description': 'FENO (ppm)'}, {'measure': 'FENO', 'timeFrame': 'After 7 days on Diet#2', 'description': 'FENO (ppm)'}, {'measure': 'FENO', 'timeFrame': 'After 7 days on Diet#3', 'description': 'FENO (ppm)'}, {'measure': 'FEV1/FVC', 'timeFrame': 'Baseline', 'description': 'FEV1/Forced Vital Capacity (FVC) ratio'}, {'measure': 'FEV1/FVC', 'timeFrame': 'After 7 days on Diet#1', 'description': 'FEV1/Forced Vital Capacity (FVC) ratio'}, {'measure': 'FEV1/FVC', 'timeFrame': 'After 7 days on Diet#2', 'description': 'FEV1/Forced Vital Capacity (FVC) ratio'}, {'measure': 'FEV1/FVC', 'timeFrame': 'After 7 days on Diet#3', 'description': 'FEV1/Forced Vital Capacity (FVC) ratio'}]}, 'oversightModule': {'isUsExport': False, 'oversightHasDmc': True, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['ketone', 'diet', 'metabolism'], 'conditions': ['Asthma', 'Obesity']}, 'descriptionModule': {'briefSummary': 'This study will test the effect of diet on asthma in individuals with obesity.', 'detailedDescription': 'This is a crossover design pilot trial that will recruit 12 adults with obesity and asthma. Participants will undergo screening and a lead-in period before being randomized to a series of three, 7-day diets with a 7+ day washout period between each diet. Asthma control and lung function will be assessed at the completion of each diet.\n\nThe goal of this pilot trial is to understand the effect of diet on asthma and conduct an exploratory analysis on factors that may predict the response to diet.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '65 Years', 'minimumAge': '18 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Age: 18-65 years\n* BMI: 30-45 kg/m2\n* asthma diagnosed by medical specialist (confirmed in medical history)\n* partly controlled or uncontrolled asthma by Asthma Control Test score ≤22\n* owns a device compatible with ZEPHYRx platform\n* stable asthma medication use (no change in the past 2 months).\n\nExclusion Criteria:\n\n* Diabetes or using diabetes medications that may lower blood glucose levels\n* point of care fasting blood glucose ≥126 mg/dl or triglycerides ≥400 mg/dl\n* current smoking or smoking history of greater than 10 pack-years\n* other significant respiratory or cardiac disease or the presence of clinically important comorbidities, e.g., COPD, renal failure, liver disease; uncontrolled hypertension defined as systolic blood pressure ≥160 mm/Hg, or diastolic blood pressure ≥100 mm/Hg\n* pregnant or nursing women\n* food preferences or allergies inconsistent with study diet capabilities\n* noncompliance with lead-in period requirements.'}, 'identificationModule': {'nctId': 'NCT05222451', 'briefTitle': 'Nutrition for Asthmatics with Obesity', 'organization': {'class': 'OTHER', 'fullName': 'Pennington Biomedical Research Center'}, 'officialTitle': 'Nutritional Strategies to Enhance Lung Function in Asthmatics with Obesity', 'orgStudyIdInfo': {'id': 'PBRC 2022-001 A'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Dietary Guidelines for Americans', 'description': '7 days of a diet consistent with the Dietary Guidelines for Americans (DGA).', 'interventionNames': ['Other: DGA Diet']}, {'type': 'EXPERIMENTAL', 'label': 'Medium Chain Triglyceride Supplemented DGA', 'description': '7 days of a diet consistent with the Dietary Guidelines for Americans supplemented with medium chain triglycerides (MCT).', 'interventionNames': ['Other: MCT Diet']}, {'type': 'EXPERIMENTAL', 'label': 'Ketogenic Diet', 'description': '7 days of a ketogenic diet (KETO).', 'interventionNames': ['Other: KETO Diet']}], 'interventions': [{'name': 'DGA Diet', 'type': 'OTHER', 'description': 'A fully provisioned isocaloric, isonitrogenous study diet following the Dietary Guidelines for Americans (DGA)\n\nIncluding:\n\n* A variety of vegetables and fruits\n* Grains, at least half of which are whole grains\n* Fat-free or low-fat dairy\n* A variety of protein foods, including seafood, lean meats and poultry, eggs, legumes, nuts, and seeds\n* This healthy eating pattern also limits saturated fats and trans fats, added sugars, and sodium.', 'armGroupLabels': ['Dietary Guidelines for Americans']}, {'name': 'MCT Diet', 'type': 'OTHER', 'description': 'A fully provisioned isocaloric, isonitrogenous study diet following the Dietary Guidelines for Americans supplemented with medium chain triglycerides (MCT).', 'armGroupLabels': ['Medium Chain Triglyceride Supplemented DGA']}, {'name': 'KETO Diet', 'type': 'OTHER', 'description': 'A fully provisioned isocaloric, isonitrogenous ketogenic study diet.', 'armGroupLabels': ['Ketogenic Diet']}]}, 'contactsLocationsModule': {'locations': [{'zip': '70808', 'city': 'Baton Rouge', 'state': 'Louisiana', 'country': 'United States', 'facility': 'Pennington Biomedical Research Center', 'geoPoint': {'lat': 30.44332, 'lon': -91.18747}}], 'overallOfficials': [{'name': 'Jacob T Mey, PhD, RD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'Pennington Biomedical Research Center'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO', 'description': 'Study data will be provided upon request and approval by study PI.'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Pennington Biomedical Research Center', 'class': 'OTHER'}, 'collaborators': [{'name': 'The Cleveland Clinic', 'class': 'OTHER'}], 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Principal Investigator', 'investigatorFullName': 'Jacob T. Mey, PhD RD', 'investigatorAffiliation': 'Pennington Biomedical Research Center'}}}}