{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Essential+amino+acids&page=2", "query": { "intervention": "Essential amino acids", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 10, "total_pages": 1, "next_page_url": null, "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Essential+amino+acids&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-29T05:47:06.644Z", "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": "NCT03982160", "title": "L-arginine to Reduce Sympathetic Nerve Activity in CKD Patients", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Chronic Kidney Disease" ], "interventions": [ { "name": "L-Arginine", "type": "DRUG" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "The University of Texas at Arlington", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "35 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "35 Years to 75 Years" }, "enrollment_count": 15, "start_date": "2018-02-01", "completion_date": "2026-12-31", "has_results": false, "last_update_posted_date": "2026-06-18", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 2, "location_summary": "Newark, Delaware • Dallas, Texas", "locations": [ { "city": "Newark", "state": "Delaware" }, { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03982160" }, { "nct_id": "NCT00223717", "title": "Treatment of Supine Hypertension in Autonomic Failure", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Hypertension" ], "interventions": [ { "name": "Clonidine", "type": "DRUG" }, { "name": "Nitroglycerin transdermal", "type": "DRUG" }, { "name": "Dipyridamole/ Aspirin (Aggrenox)", "type": "DRUG" }, { "name": "Desmopressin (DDAVP)", "type": "DRUG" }, { "name": "Sildenafil", "type": "DRUG" }, { "name": "Nifedipine", "type": "DRUG" }, { "name": "Hydralazine", "type": "DRUG" }, { "name": "Hydrochlorothiazide", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Bosentan", "type": "DRUG" }, { "name": "Diltiazem", "type": "DRUG" }, { "name": "Eplerenone", "type": "DRUG" }, { "name": "guanfacine", "type": "DRUG" }, { "name": "L-arginine", "type": "DIETARY_SUPPLEMENT" }, { "name": "captopril", "type": "DRUG" }, { "name": "carbidopa", "type": "DRUG" }, { "name": "losartan", "type": "DRUG" }, { "name": "metoprolol tartrate", "type": "DRUG" }, { "name": "nebivolol hydrochloride", "type": "DRUG" }, { "name": "prazosin hydrochloride", "type": "DRUG" }, { "name": "tamsulosin hydrochloride", "type": "DRUG" }, { "name": "Head-up tilt.", "type": "OTHER" }, { "name": "aliskiren", "type": "DRUG" }, { "name": "Local heat stress", "type": "OTHER" } ], "intervention_types": [ "DRUG", "DIETARY_SUPPLEMENT", "OTHER" ], "sponsor": "Vanderbilt University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 152, "start_date": "2001-01", "completion_date": "2017-01", "has_results": false, "last_update_posted_date": "2017-10-13", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00223717" }, { "nct_id": "NCT01129557", "title": "Aldosterone Breakthrough During Diovan, Tekturna, and Combination Therapy in Patients With Proteinuric Kidney Disease", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Proteinuric Kidney Disease", "Diabetic Nephropathy", "Hypertensive Nephrosclerosis", "IgA Nephropathy", "Focal Segmental Glomerulosclerosis", "Glomerulopathy (Obesity-associated)", "Glomerulonephritis, Membranous" ], "interventions": [ { "name": "Aliskiren", "type": "DRUG" }, { "name": "Valsartan", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Columbia University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 46, "start_date": "2009-09", "completion_date": "2012-12", "has_results": true, "last_update_posted_date": "2014-05-15", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01129557" }, { "nct_id": "NCT01841281", "title": "L-arginine in Severe Asthma Patients Grouped by Exhaled Nitric Oxide Levels", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Asthma", "Inflammation" ], "interventions": [ { "name": "L-Arginine", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Nicholas Kenyon", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "19 Years", "maximum_age": null, "sex": "ALL", "summary": "19 Years and older" }, "enrollment_count": 54, "start_date": "2013-08", "completion_date": "2019-12", "has_results": true, "last_update_posted_date": "2020-04-21", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 1, "location_summary": "Sacramento, California", "locations": [ { "city": "Sacramento", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01841281" }, { "nct_id": "NCT00134420", "title": "Growth Hormone and Chromosome 18q- and Abnormal Growth", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Loss of Chromosome 18q", "Growth Hormone Deficiency" ], "interventions": [ { "name": "Nutropin AQ", "type": "DRUG" }, { "name": "Arginine and Clonidine Stimulation Testing", "type": "PROCEDURE" }, { "name": "Growth Factors Laboratory Testing", "type": "PROCEDURE" }, { "name": "Neuropsychological Testing", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "The University of Texas Health Science Center at San Antonio", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": null, "maximum_age": "18 Years", "sex": "ALL", "summary": "Up to 18 Years" }, "enrollment_count": 20, "start_date": "2001-02", "completion_date": "2005-06", "has_results": false, "last_update_posted_date": "2016-08-08", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 1, "location_summary": "San Antonio, Texas", "locations": [ { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00134420" }, { "nct_id": "NCT06954662", "title": "A Targeted Amino Acid Supplement for People With Parkinson's Disease", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Parkinson Disease, Idiopathic" ], "interventions": [ { "name": "Amino acid supplement", "type": "DRUG" }, { "name": "Whey Protein Supplement", "type": "DIETARY_SUPPLEMENT" }, { "name": "Isonitrogenous Placebo Supplement", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DRUG", "DIETARY_SUPPLEMENT" ], "sponsor": "UConn Health", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "55 Years", "maximum_age": null, "sex": "ALL", "summary": "55 Years and older" }, "enrollment_count": 3, "start_date": "2025-05-22", "completion_date": "2025-07-17", "has_results": false, "last_update_posted_date": "2026-08-13", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 1, "location_summary": "Farmington, Connecticut", "locations": [ { "city": "Farmington", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT06954662" }, { "nct_id": "NCT00646451", "title": "Pregabalin in the Treatment of Essential Tremor", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Essential Tremor" ], "interventions": [ { "name": "pregabalin (Lyrica)", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 20, "start_date": "2006-06", "completion_date": "2008-12", "has_results": true, "last_update_posted_date": "2021-04-26", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00646451" }, { "nct_id": "NCT01095822", "title": "Effects of Valsartan and Aliskiren on Hemostatic Indices in Hypertensive Diabetics", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Diabetes Mellitus" ], "interventions": [ { "name": "Aliskiren + Valsartan", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "HeartDrug Research LLC", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "21 Years to 65 Years" }, "enrollment_count": 50, "start_date": "2010-03", "completion_date": "2011-03", "has_results": false, "last_update_posted_date": "2010-03-30", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT01095822" }, { "nct_id": "NCT00690534", "title": "Insulin and Sarcopenia in the Elderly", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Sarcopenia" ], "interventions": [ { "name": "Insulin Regular", "type": "DRUG" }, { "name": "L-NMMA", "type": "DRUG" }, { "name": "Sodium Nitroprusside", "type": "DRUG" }, { "name": "mixed meal", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "The University of Texas Medical Branch, Galveston", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "18 Years to 85 Years" }, "enrollment_count": 88, "start_date": "2005-09", "completion_date": "2012-08", "has_results": false, "last_update_posted_date": "2016-12-12", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 1, "location_summary": "Galveston, Texas", "locations": [ { "city": "Galveston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00690534" }, { "nct_id": "NCT01920711", "title": "Efficacy and Safety of LCZ696 Compared to Valsartan, on Morbidity and Mortality in Heart Failure Patients With Preserved Ejection Fraction", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Heart Failure With Preserved Ejection Fraction" ], "interventions": [ { "name": "LCZ696", "type": "DRUG" }, { "name": "Valsartan", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 4822, "start_date": "2014-07-18", "completion_date": "2019-06-07", "has_results": true, "last_update_posted_date": "2020-09-29", "last_synced_at": "2026-09-29T05:47:06.644Z", "location_count": 110, "location_summary": "Huntsville, Alabama • Mobile, Alabama • Muscle Shoals, Alabama + 92 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Muscle Shoals", "state": "Alabama" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Beverly Hills", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01920711" } ] }