{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=alpha-1+proteinase+inhibitor+%28human%29",
    "query": {
      "intervention": "alpha-1 proteinase inhibitor (human)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=alpha-1+proteinase+inhibitor+%28human%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T17:44:09.151Z",
  "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": "NCT00295061",
      "title": "Comparison of Pharmacokinetic, Safety, Tolerability of Alpha-1 MP and Prolastin In Alpha1-antitrypsin Deficient Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alpha 1-Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "Alpha-1 MP",
          "type": "DRUG"
        },
        {
          "name": "alpha-1 proteinase inhibitor (human)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2006-05",
      "completion_date": "2007-02",
      "has_results": true,
      "last_update_posted_date": "2014-09-09",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 8,
      "location_summary": "Denver, Colorado • Gainesville, Florida • Miami, Florida + 5 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00295061"
    },
    {
      "nct_id": "NCT04547140",
      "title": "Study to Evaluate the Safety and Efficacy of Liquid Alpha1-Proteinase Inhibitor (Human) in Hospitalized Participants With Coronavirus Disease (COVID-19)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Liquid Alpha1-Proteinase Inhibitor (Human)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard Medical Treatment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2021-01-29",
      "completion_date": "2022-01-28",
      "has_results": true,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Miami, Florida + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Lansing",
          "state": "Michigan"
        },
        {
          "city": "Hannibal",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04547140"
    },
    {
      "nct_id": "NCT02796937",
      "title": "Long Term Safety of Alpha1-Proteinase Inhibitor in Subjects With Alpha1 Antitrypsin Deficiency",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Emphysema in Alpha-1 Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "Alpha-1 MP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "20 Years to 72 Years"
      },
      "enrollment_count": 290,
      "start_date": "2016-07",
      "completion_date": "2029-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Miami, Florida • Wilmington, North Carolina + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Wilmington",
          "state": "North Carolina"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02796937"
    },
    {
      "nct_id": "NCT06049082",
      "title": "A Study of KB408 for the Treatment of Alpha-1 Antitrypsin Deficiency",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alpha 1-Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "KB408 (Nebulization)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Krystal Biotech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 15,
      "start_date": "2024-02-15",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-07-22",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 3,
      "location_summary": "Gainesville, Florida • Charleston, South Carolina • The Woodlands, Texas",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "The Woodlands",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06049082"
    },
    {
      "nct_id": "NCT00301366",
      "title": "The Safety and Tolerability of Alpha-1 Modified Process (MP) In Subjects With Alpha-1-antitrypsin (AAT) Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alpha 1-Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "alpha-1 proteinase inhibitor (human)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2006-06",
      "completion_date": "2007-03",
      "has_results": true,
      "last_update_posted_date": "2014-08-19",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 8,
      "location_summary": "Denver, Colorado • Gainesville, Florida • Miami, Florida + 5 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00301366"
    },
    {
      "nct_id": "NCT02722304",
      "title": "Stage 1 Study of ARALAST NP and GLASSIA in A1PI Deficiency",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Alpha1-antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "ARALAST NP 60 mg/kg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ARALAST NP 120 mg/kg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GLASSIA 60 mg/kg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GLASSIA 120 mg/kg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Human Albumin 2%",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baxalta now part of Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2016-11-02",
      "completion_date": "2018-09-14",
      "has_results": true,
      "last_update_posted_date": "2021-05-13",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 14,
      "location_summary": "Peoria, Arizona • Newport Beach, California • Kissimmee, Florida + 11 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02722304"
    },
    {
      "nct_id": "NCT01523821",
      "title": "Alpha 1 Anti-Trypsin (AAT) in Treating Patients With Acute Graft-Versus-Host Disease GVHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Graft-Versus-Host Disease (GVHD) Acute on Chronic"
      ],
      "interventions": [
        {
          "name": "Alpha 1-Proteinase Inhibitor, Human 1 MG [Glassia]",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2013-10-11",
      "completion_date": "2017-01-15",
      "has_results": true,
      "last_update_posted_date": "2018-10-30",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01523821"
    },
    {
      "nct_id": "NCT01054339",
      "title": "Safety & Efficacy Study of rAAV1-CB-hAAT for Alpha-1 Antitrypsin Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alpha-1 Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "rAAV1-CB-hAAT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beacon Therapeutics",
      "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": 9,
      "start_date": "2010-06",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2019-03-28",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • Worcester, Massachusetts • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01054339"
    },
    {
      "nct_id": "NCT01183455",
      "title": "A Research Trial of Aralast NP in New Onset Diabetes (RETAIN) - Part II",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "Aralast NP",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "8 Years to 35 Years"
      },
      "enrollment_count": 0,
      "start_date": "2010-10",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2014-12-31",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 15,
      "location_summary": "La Jolla, California • Aurora, Colorado • New Haven, Connecticut + 10 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01183455"
    },
    {
      "nct_id": "NCT01983241",
      "title": "Efficacy and Safety of Alpha1-Proteinase Inhibitor (Human), Modified Process (Alpha-1 MP) in Subjects With Pulmonary Emphysema Due to Alpha1 Antitrypsin Deficiency (AATD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Emphysema in Alpha-1 PI Deficiency"
      ],
      "interventions": [
        {
          "name": "Alpha-1 MP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "0.9% Sodium Chloride for Injection, USP",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 345,
      "start_date": "2014-04-01",
      "completion_date": "2026-08-05",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-03T17:44:09.151Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Gainesville, Florida • Leesburg, Florida + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Leesburg",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01983241"
    }
  ]
}