{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+tests&page=18", "query": { "intervention": "Pulmonary function tests", "page": 18 }, "page_size": 10 }, "pagination": { "page": 18, "page_size": 10, "total_count": 611, "total_pages": 62, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+tests&page=19&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+tests&page=17&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-19T07:31:41.446Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT04475926", "title": "A Study of the Natural History of Participants With LGMD2E/R4, LGMD2D/R3, LGMD2C/R5, and LGMD2A/R1 ≥ 4 Years of Age, Who Are Managed in Routine Clinical Practice", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Limb-girdle Muscular Dystrophy" ], "interventions": [], "intervention_types": [], "sponsor": "Sarepta Therapeutics, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "4 Years", "maximum_age": null, "sex": "ALL", "summary": "4 Years and older" }, "enrollment_count": 205, "start_date": "2021-04-22", "completion_date": "2030-09-05", "has_results": false, "last_update_posted_date": "2025-11-06", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 11, "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • La Jolla, California + 8 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "La Jolla", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT04475926" }, { "nct_id": "NCT01398943", "title": "Nitric Oxide Bioavailability in Chronic Obstructive Pulmonary Disease (COPD)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Pulmonary Disease, Chronic Obstructive" ], "interventions": [ { "name": "Tetrahydrobiopterin (BH4)", "type": "DRUG" }, { "name": "Antioxidant Cocktail", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DRUG", "DIETARY_SUPPLEMENT" ], "sponsor": "Augusta University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 60, "start_date": "2010-09", "completion_date": "2015-06", "has_results": true, "last_update_posted_date": "2017-12-11", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 1, "location_summary": "Augusta, Georgia", "locations": [ { "city": "Augusta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT01398943" }, { "nct_id": "NCT02281318", "title": "Efficacy and Safety Study of Mepolizumab Adjunctive Therapy in Participants With Severe Eosinophilic Asthma on Markers of Asthma Control", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "Mepolizumab", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "DRUG" }, { "name": "SOC", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 556, "start_date": "2014-12-11", "completion_date": "2016-06-10", "has_results": true, "last_update_posted_date": "2018-08-06", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 24, "location_summary": "Birmingham, Alabama • Fresno, California • Long Beach, California + 20 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Fresno", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Newport Beach", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02281318" }, { "nct_id": "NCT02966665", "title": ": Vascular Function in Health and Disease", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Chronic Obstructive Pulmonary Disease", "Pulmonary Artery Hypertension", "Heart Failure", "Hypertension" ], "interventions": [ { "name": "Maximum Exercise Tests", "type": "OTHER" }, { "name": "BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate", "type": "DRUG" }, { "name": "BQ-123", "type": "DRUG" }, { "name": "Fexofenadine, Ranitidine", "type": "DRUG" }, { "name": "Angiotensin-II, Valsartan", "type": "OTHER" }, { "name": "Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine", "type": "DRUG" }, { "name": "BQ-123, MitoQ, BH4", "type": "DRUG" } ], "intervention_types": [ "OTHER", "DRUG" ], "sponsor": "D. Walter Wray", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 420, "start_date": "2008-09", "completion_date": "2030-08", "has_results": false, "last_update_posted_date": "2026-09-25", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 1, "location_summary": "Salt Lake City, Utah", "locations": [ { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT02966665" }, { "nct_id": "NCT04247971", "title": "Pulmonary Inflammation and Microbiome Changes With Bariatric Surgery in Obese Asthma", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Asthma", "Obesity" ], "interventions": [ { "name": "Blood draw", "type": "PROCEDURE" }, { "name": "Sputum collection", "type": "PROCEDURE" }, { "name": "Pulmonary function test", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "21 Years to 60 Years" }, "enrollment_count": 16, "start_date": "2021-04-30", "completion_date": "2023-02-09", "has_results": false, "last_update_posted_date": "2023-02-16", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04247971" }, { "nct_id": "NCT06983899", "title": "Exercise Training for the Improvement of Immune Activity and Treatment Outcomes During Immunotherapy for Non-small Cell Lung Cancer, BOOST Trial", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Lung Non-Small Cell Carcinoma" ], "interventions": [ { "name": "Aerobic Exercise", "type": "OTHER" }, { "name": "Exercise Intervention", "type": "OTHER" }, { "name": "Educational Intervention", "type": "OTHER" }, { "name": "Dual X-ray Absorptiometry", "type": "PROCEDURE" }, { "name": "Electronic Health Record Review", "type": "OTHER" }, { "name": "Cardiopulmonary Exercise Testing", "type": "OTHER" }, { "name": "Physical Performance Testing", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Pulmonary Function Test", "type": "PROCEDURE" } ], "intervention_types": [ "OTHER", "PROCEDURE" ], "sponsor": "Fred Hutchinson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 100, "start_date": "2026-01-28", "completion_date": "2028-05-31", "has_results": false, "last_update_posted_date": "2026-06-23", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT06983899" }, { "nct_id": "NCT02598752", "title": "Feasibility and Safety of Functional Performance Testing in Patients Undergoing Hematopoietic Cell Transplantation", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Acute Myeloid Leukemia", "Myelodysplastic Syndrome", "Hematological Malignancy", "Leukemia", "Lymphoma", "Myeloma" ], "interventions": [ { "name": "Symptom-limited cardiopulmonary exercise test (CPET)", "type": "OTHER" }, { "name": "Resting assessment of cardiac function by echocardiography", "type": "OTHER" }, { "name": "Post-exercise assessment of cardiac function by echocardiography", "type": "OTHER" }, { "name": "Pulmonary function", "type": "OTHER" }, { "name": "Patient-reported outcomes questionnaire", "type": "BEHAVIORAL" } ], "intervention_types": [ "OTHER", "BEHAVIORAL" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": null, "sex": "ALL", "summary": "21 Years and older" }, "enrollment_count": 11, "start_date": "2015-11", "completion_date": "2020-04-10", "has_results": false, "last_update_posted_date": "2020-04-16", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT02598752" }, { "nct_id": "NCT03642418", "title": "User-Friendly Spirometer and Mobile App for Self-Management and Home Monitoring of Asthma Patients", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Asthma Acute", "Asthma in Children", "Asthma Chronic", "Asthma Attack" ], "interventions": [], "intervention_types": [], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Years", "maximum_age": "15 Years", "sex": "ALL", "summary": "6 Years to 15 Years" }, "enrollment_count": 20, "start_date": "2018-08-13", "completion_date": "2020-01-31", "has_results": false, "last_update_posted_date": "2020-07-15", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03642418" }, { "nct_id": "NCT03683186", "title": "A Study Evaluating the Long-Term Efficacy and Safety of Ralinepag in Subjects With PAH Via an Open-Label Extension", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "PAH", "Pulmonary Hypertension", "Pulmonary Arterial Hypertension", "Hypertension", "Connective Tissue Diseases", "Familial Primary Pulmonary Hypertension", "Vascular Diseases", "Cardiovascular Diseases", "Hypertension, Pulmonary", "Lung Diseases", "Respiratory Tract Disease" ], "interventions": [ { "name": "Ralinepag", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "United Therapeutics", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1000, "start_date": "2019-09-23", "completion_date": "2026-12", "has_results": false, "last_update_posted_date": "2026-10-06", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 48, "location_summary": "Phoenix, Arizona • Tucson, Arizona • La Jolla, California + 38 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03683186" }, { "nct_id": "NCT03579173", "title": "Determinants of Early Cystic Fibrosis Lung Disease", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cystic Fibrosis in Children" ], "interventions": [ { "name": "Infant PFT", "type": "DIAGNOSTIC_TEST" }, { "name": "Lung Clearance Index", "type": "DIAGNOSTIC_TEST" }, { "name": "Passive tidal breathing", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "sponsor": "Indiana University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Month", "maximum_age": "5 Years", "sex": "ALL", "summary": "1 Month to 5 Years" }, "enrollment_count": 61, "start_date": "2018-05-08", "completion_date": "2019-02-06", "has_results": false, "last_update_posted_date": "2022-06-22", "last_synced_at": "2026-10-19T07:31:41.446Z", "location_count": 1, "location_summary": "Indianapolis, Indiana", "locations": [ { "city": "Indianapolis", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT03579173" } ] }