{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=L-Arginine+Hydrochloride&page=3",
    "query": {
      "intervention": "L-Arginine Hydrochloride",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 100,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=L-Arginine+Hydrochloride&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=L-Arginine+Hydrochloride&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T15:26:47.643Z",
  "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": "NCT02165267",
      "title": "Evaluating the Safety and Drug Levels of an Antibody Against HIV in Healthy, HIV-Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "VRC01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SC placebo for VRC01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IV placebo for VRC01",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 88,
      "start_date": "2014-08",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 6,
      "location_summary": "Boston, Massachusetts • New York, New York • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02165267"
    },
    {
      "nct_id": "NCT03953326",
      "title": "HeartPhone Cancer Survivors Trial 2019",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Leukemia",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "HeartPhone app",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Acetylcholine",
          "type": "DRUG"
        },
        {
          "name": "Sodium Nitroprusside",
          "type": "DRUG"
        },
        {
          "name": "L-Arginine, N2-((4-Methylphenyl)Sulfonyl)-, Methyl Ester",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 2,
      "start_date": "2019-04-23",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03953326"
    },
    {
      "nct_id": "NCT02936687",
      "title": "Mechanisms of Cerebrovascular Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metabolic Syndrome X"
      ],
      "interventions": [
        {
          "name": "NOS Inhibition",
          "type": "DRUG"
        },
        {
          "name": "ET-1 Inhibition",
          "type": "DRUG"
        },
        {
          "name": "NOS Inhibition Placebo",
          "type": "DRUG"
        },
        {
          "name": "3 Tesla MRI",
          "type": "DEVICE"
        },
        {
          "name": "Intravenous Catheter",
          "type": "DEVICE"
        },
        {
          "name": "Oral Glucose Tolerance Test",
          "type": "OTHER"
        },
        {
          "name": "ET-1 Inhibition Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 59,
      "start_date": "2017-01-31",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2021-10-18",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02936687"
    },
    {
      "nct_id": "NCT01339494",
      "title": "Nitric Oxide Production in MELAS Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "MELAS Syndrome"
      ],
      "interventions": [
        {
          "name": "Arginine and citrulline supplementations",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "3 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-07",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-04-05",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01339494"
    },
    {
      "nct_id": "NCT00835224",
      "title": "Safety and Efficacy of L-NAME and Midodrine to Increase MAP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Orthostatic Hypotension",
        "Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "L-NAME",
          "type": "DRUG"
        },
        {
          "name": "Midodrine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 34,
      "start_date": "2010-05",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2014-04-23",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00835224"
    },
    {
      "nct_id": "NCT06424756",
      "title": "Effects of an Antioxidant Supplement on Blood Vessel Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "MitoQ",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "MitoTempo",
          "type": "DRUG"
        },
        {
          "name": "Tempol",
          "type": "DRUG"
        },
        {
          "name": "L-NAME",
          "type": "DRUG"
        },
        {
          "name": "SNP - Sodium Nitroprusside",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "University of Georgia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-07-01",
      "completion_date": "2030-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-09",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06424756"
    },
    {
      "nct_id": "NCT04054973",
      "title": "L-arginine Study for Persistent Symptoms of Schizophrenia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizo Affective Disorder",
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "L-arginine",
          "type": "DRUG"
        },
        {
          "name": "Sapropterin Dihydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-09-11",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-01-20",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04054973"
    },
    {
      "nct_id": "NCT06633198",
      "title": "Heat, Microvascular Function and Aging",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Passive Heating",
          "type": "PROCEDURE"
        },
        {
          "name": "L-NAME",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "William Hughes",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-05-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06633198"
    },
    {
      "nct_id": "NCT06182267",
      "title": "Maximal Use Study to Determine the Pharmacokinetics of L-arginine After Exaggerated Oral Use of COL101",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Caries,Dental"
      ],
      "interventions": [
        {
          "name": "L Arginine",
          "type": "DRUG"
        },
        {
          "name": "Sodium Fluoride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Colgate Palmolive",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 29,
      "start_date": "2023-11-27",
      "completion_date": "2023-12-22",
      "has_results": false,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "Fair Lawn, New Jersey",
      "locations": [
        {
          "city": "Fair Lawn",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06182267"
    },
    {
      "nct_id": "NCT00753948",
      "title": "Exhaled Levels of Nitric Oxide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Tetraplegia",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "N-Nitro L-arginine-methylester (L-NAME)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 23,
      "start_date": "2006-12",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2020-02-28",
      "last_synced_at": "2026-10-09T15:26:47.643Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00753948"
    }
  ]
}