{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Dose+Citrulline",
    "query": {
      "intervention": "High Dose Citrulline"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T14:14:58.606Z",
  "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": "NCT01185041",
      "title": "Watermelon Supplementation and Arterial Stiffness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Watermelon Extract",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "45 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2010-08",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-03-20",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01185041"
    },
    {
      "nct_id": "NCT06025383",
      "title": "2 Weeks of Citrulline Supplementation on Arterial Function in Postmenopausal Women With Elevated Blood Pressure or Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopause",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "L-Citrulline",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas Tech University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 70 Years · Female only"
      },
      "enrollment_count": 19,
      "start_date": "2023-07-20",
      "completion_date": "2024-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06025383"
    },
    {
      "nct_id": "NCT02659644",
      "title": "A Study of Oral L-citrulline in Sickle Cell Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Oral L-citrulline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "10 Years to 25 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-12",
      "completion_date": "2017-12-31",
      "has_results": false,
      "last_update_posted_date": "2018-06-21",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02659644"
    },
    {
      "nct_id": "NCT02943161",
      "title": "Asthma L-Citrulline Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "L-Citrulline",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 41,
      "start_date": "2017-04-05",
      "completion_date": "2019-03-31",
      "has_results": false,
      "last_update_posted_date": "2020-02-27",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Durham, North Carolina",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02943161"
    },
    {
      "nct_id": "NCT06635902",
      "title": "Intravenous L-Citrulline for Vaso-occlusive Pain Episode in Sickle Cell Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Vaso-occlusive Pain Episode"
      ],
      "interventions": [
        {
          "name": "L-citrulline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Suvankar Majumdar",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "4 Years to 21 Years"
      },
      "enrollment_count": 99,
      "start_date": "2024-12-22",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06635902"
    },
    {
      "nct_id": "NCT01474863",
      "title": "Citrulline in Severe Sepsis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Severe Sepsis",
        "Acute Lung Injury"
      ],
      "interventions": [
        {
          "name": "High Dose Citrulline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Low Dose Citrulline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2012-08",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01474863"
    },
    {
      "nct_id": "NCT02143817",
      "title": "Whole Body Vibration Combined With L-citrulline Supplementation on Cardiovascular Function and Body Composition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Pre-hypertension",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "L-citrulline supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Whole Body Vibration Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 70 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2013-03",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2015-03-10",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02143817"
    },
    {
      "nct_id": "NCT06442293",
      "title": "Safety and Tolerability of 2 Dietary Supplement Beverages Designed to Maintain Healthy Blood Pressure.",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Safety Issues",
        "Tolerance"
      ],
      "interventions": [
        {
          "name": "Treatment 1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Treatment 2",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USANA Health Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 18,
      "start_date": "2024-07-01",
      "completion_date": "2024-08-15",
      "has_results": false,
      "last_update_posted_date": "2024-06-04",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06442293"
    },
    {
      "nct_id": "NCT03542812",
      "title": "L-citrulline and Pulmonary Hypertension Associated With Bronchopulmonary Dysplasia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Infant,Premature",
        "Bronchopulmonary Dysplasia",
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "L-Citrulline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Days",
        "maximum_age": "3 Months",
        "sex": "ALL",
        "summary": "14 Days to 3 Months"
      },
      "enrollment_count": 16,
      "start_date": "2019-07-30",
      "completion_date": "2022-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-10",
      "last_synced_at": "2026-09-13T14:14:58.606Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03542812"
    }
  ]
}