{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Alpha-1+Antitrypsin+%28human%29",
    "query": {
      "intervention": "Alpha-1 Antitrypsin (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+Antitrypsin+%28human%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T02:49:29.891Z",
  "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": "NCT01731691",
      "title": "Safety and Efficacy of (α1Proteinase Inhibitor, α1PI) in HIV Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "HIV Disease"
      ],
      "interventions": [
        {
          "name": "α1 Proteinase Inhibitor",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Institute for Human Genetics and Biochemistry",
      "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": 12,
      "start_date": "2012-04",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2020-08-31",
      "last_synced_at": "2026-09-27T02:49:29.891Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01731691"
    },
    {
      "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": "2026-09-27T02:49:29.891Z",
      "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": "NCT01684410",
      "title": "Safety and Tolerability Trial of Inhaled Alpha1-Proteinase Inhibitor (Human), Hydrophobic Chromatography Process (Alpha-1 HC) in Subjects With Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Alpha-1 HC 100 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Alpha-1 HC 200 mg",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 30,
      "start_date": "2012-08",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2016-02-08",
      "last_synced_at": "2026-09-27T02:49:29.891Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Denver, Colorado • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01684410"
    },
    {
      "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": "ACTIVE_NOT_RECRUITING",
      "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": "2013-11",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-09-27T02:49:29.891Z",
      "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"
    },
    {
      "nct_id": "NCT01651351",
      "title": "GLASSIA Infusion Rate Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alpha1-antitrypsin Deficiency",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Alpha1-proteinase inhibitor",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo: Human albumin 2.5%",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baxalta now part of Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2012-07-31",
      "completion_date": "2013-01-16",
      "has_results": true,
      "last_update_posted_date": "2021-05-25",
      "last_synced_at": "2026-09-27T02:49:29.891Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01651351"
    },
    {
      "nct_id": "NCT04722887",
      "title": "A Study to Evaluate Safety, Tolerability and Pharmacokinetics of Two Different Doses of Alpha1-Proteinase Inhibitor Subcutaneous (Human) 15% in Participants With Alpha1-Antitrypsin Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alpha1-Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "Alpha-1 15%",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Liquid Alpha1-Proteinase Inhibitor (Human)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 17,
      "start_date": "2021-08-13",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-09-27T02:49:29.891Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Gainesville, Florida • Miami, Florida + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04722887"
    },
    {
      "nct_id": "NCT05856331",
      "title": "Study of SAR447537 (INBRX-101) Compared to Plasma-derived A1PI Therapy in Adults With AATD Emphysema",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alpha 1-Antitrypsin Deficiency",
        "Emphysema"
      ],
      "interventions": [
        {
          "name": "SAR447537",
          "type": "DRUG"
        },
        {
          "name": "Zemaira",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 99,
      "start_date": "2023-10-12",
      "completion_date": "2025-08-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-09-27T02:49:29.891Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05856331"
    },
    {
      "nct_id": "NCT02282527",
      "title": "A Study to Assess Safety and PK of Liquid Alpha₁-Proteinase Inhibitor (Human) in Treating Alpha₁-Antitrypsin Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Alpha₁-Antitrypsin Deficiency"
      ],
      "interventions": [
        {
          "name": "Liquid Alpha₁-PI",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prolastin-C",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 32,
      "start_date": "2014-10",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2017-03-13",
      "last_synced_at": "2026-09-27T02:49:29.891Z",
      "location_count": 6,
      "location_summary": "Denver, Colorado • Gainesville, Florida • Miami, Florida + 3 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Wilmington",
          "state": "North Carolina"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02282527"
    },
    {
      "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": "2026-09-27T02:49:29.891Z",
      "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": "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": "2026-09-27T02:49:29.891Z",
      "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"
    }
  ]
}