{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hereditary+Angioedema+With+C1+Esterase+Inhibitor+Deficiency",
    "query": {
      "condition": "Hereditary Angioedema With C1 Esterase Inhibitor Deficiency"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 59,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hereditary+Angioedema+With+C1+Esterase+Inhibitor+Deficiency&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:49:37.466Z",
  "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": "NCT07046806",
      "title": "Oral Deucrictibant for Prophylactic and Acute Treatment in Hereditary Angioedema Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hereditary Angioedema (HAE)",
        "Angioedema",
        "Bradykinin-mediated Angioedema",
        "C1 Inhibitor Deficiency"
      ],
      "interventions": [
        {
          "name": "Deucrictibant XR tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo comparator to XR tablet",
          "type": "DRUG"
        },
        {
          "name": "Deucrictibant 20 mg capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo comparator to 20 mg capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Institute for Asthma and Allergy",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2025-03-10",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 1,
      "location_summary": "Wheaton, Maryland",
      "locations": [
        {
          "city": "Wheaton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07046806"
    },
    {
      "nct_id": "NCT04030598",
      "title": "A Study to Assess the Clinical Efficacy of Donidalorsen (Also Known as IONIS-PKK-LRx and ISIS 721744) in Participants With Hereditary Angioedema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hereditary Angioedema"
      ],
      "interventions": [
        {
          "name": "Donidalorsen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ionis Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2020-01-07",
      "completion_date": "2021-03-01",
      "has_results": true,
      "last_update_posted_date": "2023-04-03",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 7,
      "location_summary": "Scottsdale, Arizona • San Diego, California • Santa Monica, California + 4 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Plymouth",
          "state": "Minnesota"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04030598"
    },
    {
      "nct_id": "NCT06361537",
      "title": "Study of IV Human Plasma-derived C1 Esterase Inhibitor Concentrate in Patients With Congenital C1-INH Deficiency for Treatment and Pre-procedure Preventing of Acute Hereditary Angioedema Attacks",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Hereditary Angio Edema"
      ],
      "interventions": [
        {
          "name": "OCTA-C1-INH",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Octapharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 124,
      "start_date": "2024-04-30",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 3,
      "location_summary": "Centennial, Colorado • Farmington Hills, Michigan • Toledo, Ohio",
      "locations": [
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Farmington Hills",
          "state": "Michigan"
        },
        {
          "city": "Toledo",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06361537"
    },
    {
      "nct_id": "NCT04307381",
      "title": "An Extension Study of Donidalorsen (IONIS-PKK-LRx) in Participants With Hereditary Angioedema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hereditary Angioedema"
      ],
      "interventions": [
        {
          "name": "Donidalorsen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ionis Pharmaceuticals, Inc.",
      "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": "2020-03-31",
      "completion_date": "2025-01-24",
      "has_results": true,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 6,
      "location_summary": "Scottsdale, Arizona • Santa Monica, California • Plymouth, Minnesota + 3 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Plymouth",
          "state": "Minnesota"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04307381"
    },
    {
      "nct_id": "NCT07428499",
      "title": "Phase 3 Extension Study of ADX-324 in Participants With Hereditary Angioedema (HAE)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hereditary Angioedema (HAE)",
        "Hereditary Angioedema - Type 1",
        "Hereditary Angioedema - Type 2",
        "HAE"
      ],
      "interventions": [
        {
          "name": "ADX-324 Dose Level 1",
          "type": "DRUG"
        },
        {
          "name": "ADX-324 Dose Level 2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ADARx Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2026-04-02",
      "completion_date": "2030-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 15,
      "location_summary": "Litchfield Park, Arizona • Little Rock, Arkansas • San Diego, California + 12 more",
      "locations": [
        {
          "city": "Litchfield Park",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07428499"
    },
    {
      "nct_id": "NCT06634420",
      "title": "HAELO: A Phase 3 Study to Evaluate NTLA-2002 in Participants With Hereditary Angioedema (HAE)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hereditary Angioedema"
      ],
      "interventions": [
        {
          "name": "NTLA-2002",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal Saline IV Administration",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Intellia Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-01-15",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 14,
      "location_summary": "Scottsdale, Arizona • San Diego, California • Santa Monica, California + 11 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06634420"
    },
    {
      "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": "2026-05-22T08:49:37.466Z",
      "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": "NCT00168103",
      "title": "Human C1 Esterase Inhibitor (C1-INH) in Subjects With Acute Abdominal or Facial Hereditary Angioedema (HAE) Attacks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Hereditary Angioedema"
      ],
      "interventions": [
        {
          "name": "C1 Esterase Inhibitor",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "CSL Behring",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2005-06",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2015-03-31",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 17,
      "location_summary": "Granada Hills, California • Weston, Florida • Atlanta, Georgia + 14 more",
      "locations": [
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "Weston",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00168103"
    },
    {
      "nct_id": "NCT01426763",
      "title": "A Study to Evaluate the Safety and Pharmacology of Subcutaneous Administration of CINRYZE With Recombinant Human Hyaluronidase",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hereditary Angioedema"
      ],
      "interventions": [
        {
          "name": "CINRYZE with rHuPH20",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 12,
      "start_date": "2011-09-12",
      "completion_date": "2011-11-28",
      "has_results": true,
      "last_update_posted_date": "2021-07-19",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 4,
      "location_summary": "Scottsdale, Arizona • Walnut Creek, California • Atlanta, Georgia + 1 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01426763"
    },
    {
      "nct_id": "NCT06679881",
      "title": "Long-Term, Open-label Study of Oral Deucrictibant Extended-Release Tablet for Prophylaxis Against Angioedema Attacks in Adolescents and Adults With HAE",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hereditary Angioedema (HAE)"
      ],
      "interventions": [
        {
          "name": "Deucrictibant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharvaris Netherlands B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2025-02-01",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-05-22T08:49:37.466Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06679881"
    }
  ]
}