{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Histidine&page=2",
    "query": {
      "intervention": "Histidine",
      "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=Histidine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T12:23:53.172Z",
  "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": "NCT00069017",
      "title": "Effects of MEDI-522 On Disease Activity and Progression of Joint Damage in Patients With Active Rheumatoid Arthritis Suboptimally Responding to Methotrexate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "MEDI-522",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2003-09",
      "completion_date": "2006-04",
      "has_results": false,
      "last_update_posted_date": "2007-11-27",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Phoenix, Arizona + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00069017"
    },
    {
      "nct_id": "NCT02569632",
      "title": "Investigating the Immunogenicity of a U.S.-Licensed Meningococcal Serogroup B Vaccine (Trumenba)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Meningococcal Infections"
      ],
      "interventions": [
        {
          "name": "Trumenba Vaccine (Wyeth/Pfizer Pharmaceuticals)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "UCSF Benioff Children's Hospital Oakland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2015-01",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 2,
      "location_summary": "Oakland, California • Worcester, Massachusetts",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02569632"
    },
    {
      "nct_id": "NCT06579391",
      "title": "Targeted Nutritional Supplement After Lumbar Spine Surgery: A Randomized, Placebo-Controlled, Double-Blind Trial",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lumbar Spinal Stenosis"
      ],
      "interventions": [
        {
          "name": "Essential amino acids",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Alanine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Irvine",
      "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": 0,
      "start_date": "2025-01",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06579391"
    },
    {
      "nct_id": "NCT04722003",
      "title": "Mucosal Immunity Against Neisseria Gonorrhoeae After 4CMenB Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gonorrhoea"
      ],
      "interventions": [
        {
          "name": "Meningococcal Group B Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 52,
      "start_date": "2021-11-01",
      "completion_date": "2023-10-02",
      "has_results": true,
      "last_update_posted_date": "2024-11-05",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04722003"
    },
    {
      "nct_id": "NCT04678830",
      "title": "Double Blind, Placebo Controlled Study of Safety and Efficacy of Leronlimab in Patients With \"Long\" COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronavirus Disease 2019"
      ],
      "interventions": [
        {
          "name": "Placebos",
          "type": "DRUG"
        },
        {
          "name": "Leronlimab (700mg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CytoDyn, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2021-03-01",
      "completion_date": "2021-07-08",
      "has_results": true,
      "last_update_posted_date": "2024-04-11",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 2,
      "location_summary": "Aventura, Florida • Gainesville, Georgia",
      "locations": [
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04678830"
    },
    {
      "nct_id": "NCT06801951",
      "title": "Oral Supplement and Acute Resistance Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "acute resistance exercise with oral nutrition supplementation",
          "type": "OTHER"
        },
        {
          "name": "stable tracer infusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "45 Years to 100 Years"
      },
      "enrollment_count": 16,
      "start_date": "2017-12-11",
      "completion_date": "2020-02-27",
      "has_results": false,
      "last_update_posted_date": "2025-01-30",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06801951"
    },
    {
      "nct_id": "NCT00417417",
      "title": "Rilonacept to Improve Artery Function in Patients With Atherosclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Atherosclerosis",
        "Inflammation",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Rilonacept",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2006-12",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2012-04-30",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00417417"
    },
    {
      "nct_id": "NCT02145949",
      "title": "Mechanistic Approach to Preventing Atrophy and Restoring Function in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Muscle Atrophy",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Essential Amino Acids (EAA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Alanine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 80,
      "start_date": "2014-12",
      "completion_date": "2020-02",
      "has_results": true,
      "last_update_posted_date": "2024-07-23",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 2,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145949"
    },
    {
      "nct_id": "NCT04764383",
      "title": "Histaminergic Basis of Fatigue in Multiple Sclerosis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "L-Histidine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Lodosyn",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-01-01",
      "completion_date": "2022-10-30",
      "has_results": false,
      "last_update_posted_date": "2021-07-29",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04764383"
    },
    {
      "nct_id": "NCT02780219",
      "title": "Chronic Obstructive Pulmonary Disorder and Acute Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "stable amino acid infusion",
          "type": "OTHER"
        },
        {
          "name": "acute exercise with amino acid infusion",
          "type": "OTHER"
        },
        {
          "name": "24-hour post exercise amino acid infusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2016-02-04",
      "completion_date": "2020-03-06",
      "has_results": false,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-09-21T12:23:53.172Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02780219"
    }
  ]
}