{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=C1-INH+%28Berinert%29",
    "query": {
      "intervention": "C1-INH (Berinert)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 50,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=C1-INH+%28Berinert%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T19:38:11.762Z",
  "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": "NCT01912456",
      "title": "A Study to Evaluate the Clinical Efficacy and Safety of Subcutaneously Administered C1-esterase Inhibitor in the Prevention of Hereditary Angioedema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hereditary Angioedema Types I and II"
      ],
      "interventions": [
        {
          "name": "Low-volume C1-esterase inhibitor",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Higher-volume C1-esterase inhibitor",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Low-volume placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Higher-volume placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "CSL Behring",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2014-01",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2021-01-29",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 19,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Bell Gardens, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Bell Gardens",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01912456"
    },
    {
      "nct_id": "NCT01147302",
      "title": "A Pilot Study to Evaluate the Use of C1 Esterase Inhibitor (Human) in Patients With Acute Antibody-Mediated Rejection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Graft Rejection"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "C1 Esterase Inhibitor (Human)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2011-08-24",
      "completion_date": "2013-06-28",
      "has_results": true,
      "last_update_posted_date": "2021-06-11",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Baltimore, Maryland • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01147302"
    },
    {
      "nct_id": "NCT04618211",
      "title": "Dose-ranging Study of Oral PHA-022121 for Acute Treatment of Angioedema Attacks in Patients With Hereditary Angioedema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hereditary Angioedema",
        "Hereditary Angioedema Type I",
        "Hereditary Angioedema Type II",
        "Hereditary Angioedema Types I and II",
        "Hereditary Angioedema Attack",
        "Hereditary Angioedema With C1 Esterase Inhibitor Deficiency",
        "Hereditary Angioedema - Type 1",
        "Hereditary Angioedema - Type 2",
        "C1 Esterase Inhibitor Deficiency",
        "C1 Inhibitor Deficiency"
      ],
      "interventions": [
        {
          "name": "Deucrictibant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharvaris Netherlands B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 74,
      "start_date": "2021-02-03",
      "completion_date": "2023-03-01",
      "has_results": true,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Paradise Valley, Arizona • San Diego, California + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Paradise Valley",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04618211"
    },
    {
      "nct_id": "NCT05047185",
      "title": "Dose-ranging Study of Oral PHA-022121 for Prophylaxis Against Angioedema Attacks in Patients With Hereditary Angioedema Type I or Type II",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hereditary Angioedema",
        "Hereditary Angioedema Type I",
        "Hereditary Angioedema Type II",
        "Hereditary Angioedema Types I and II",
        "Hereditary Angioedema Attack",
        "Hereditary Angioedema With C1 Esterase Inhibitor Deficiency",
        "Hereditary Angioedema - Type 1",
        "Hereditary Angioedema - Type 2",
        "C1 Esterase Inhibitor Deficiency",
        "C1 Inhibitor Deficiency"
      ],
      "interventions": [
        {
          "name": "Deucrictibant low dose",
          "type": "DRUG"
        },
        {
          "name": "Deucrictibant high dose",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharvaris Netherlands B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 34,
      "start_date": "2022-04-19",
      "completion_date": "2025-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Paradise Valley, Arizona • St Louis, Missouri",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Paradise Valley",
          "state": "Arizona"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05047185"
    },
    {
      "nct_id": "NCT04444895",
      "title": "A Study of Long-Term Safety and Efficacy of Lanadelumab for Prevention of Acute Attacks of Non-histaminergic Angioedema With Normal C1-Inhibitor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Angioedema"
      ],
      "interventions": [
        {
          "name": "Lanadelumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2021-02-05",
      "completion_date": "2023-05-05",
      "has_results": true,
      "last_update_posted_date": "2024-06-17",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • San Diego, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04444895"
    },
    {
      "nct_id": "NCT06919003",
      "title": "Improving Deceased-Donor Kidney Transplant Outcomes Via a Single Intragraft Injection of C1 Esterase Inhibitor (IMPROVE TRIAL)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Transplant"
      ],
      "interventions": [
        {
          "name": "Berinert",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo for Berinert",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 180,
      "start_date": "2025-09-22",
      "completion_date": "2032-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Chicago, Illinois • Kansas City, Kansas + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06919003"
    },
    {
      "nct_id": "NCT03576469",
      "title": "A Study to Evaluate the Benefit of RUCONEST® in Subjects Who Experience ADRs Related to IVIG Infusions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "CVI - Common Variable Immunodeficiency"
      ],
      "interventions": [
        {
          "name": "C1-esterase inhibitor [recombinant] (C1-INH-R)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "IMMUNOe Research Centers",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2018-06-13",
      "completion_date": "2020-03-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-15",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 1,
      "location_summary": "Centennial, Colorado",
      "locations": [
        {
          "city": "Centennial",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576469"
    },
    {
      "nct_id": "NCT02584959",
      "title": "Study to Evaluate the Clinical Efficacy and Safety of Subcutaneously Administered C1 Esterase Inhibitor for the Prevention of Angioedema Attacks in Adolescents and Adults With Hereditary Angioedema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hereditary Angioedema (HAE)"
      ],
      "interventions": [
        {
          "name": "C1 esterase inhibitor [human] liquid",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2015-11-01",
      "completion_date": "2017-07-24",
      "has_results": true,
      "last_update_posted_date": "2021-06-08",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 16,
      "location_summary": "Scottsdale, Arizona • Santa Monica, California • Walnut Creek, California + 13 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02584959"
    },
    {
      "nct_id": "NCT04583007",
      "title": "Expanded Access for the Prevention of Acute Attacks of 1) Hereditary Angioedema (HAE) in Children and 2) Non-histaminergic Angioedema With Normal C1-Inhibitor (C1-INH) in Teenagers and Adults",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Hereditary Angioedema (HAE)",
        "Angioedema"
      ],
      "interventions": [
        {
          "name": "Lanadelumab 150 mg",
          "type": "DRUG"
        },
        {
          "name": "Lanadelumab 300 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-07-24",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 14,
      "location_summary": "Scottsdale, Arizona • Santa Monica, California • Walnut Creek, California + 10 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04583007"
    },
    {
      "nct_id": "NCT01759602",
      "title": "C1-esterase Inhibitor (Cinryze) for Acute Treatment of Neuromyelitis Optica Exacerbation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuromyelitis Optica"
      ],
      "interventions": [
        {
          "name": "C1-esterase inhibitor (Cinryze)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Michael Levy",
      "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": 10,
      "start_date": "2013-01",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2014-07-18",
      "last_synced_at": "2026-10-03T19:38:11.762Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01759602"
    }
  ]
}