{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=IgG+Deficiency&page=2",
    "query": {
      "condition": "IgG Deficiency",
      "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?condition=IgG+Deficiency&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T14:42:39.382Z",
  "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": "NCT04736524",
      "title": "Immune Response Following COVID-19 Vaccination",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "IgM and IgG in Blood"
      ],
      "interventions": [
        {
          "name": "Rapid antibody test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas Cardiac Arrhythmia Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "16 Years to 85 Years"
      },
      "enrollment_count": 500,
      "start_date": "2021-01-15",
      "completion_date": "2022-03",
      "has_results": false,
      "last_update_posted_date": "2021-02-03",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04736524"
    },
    {
      "nct_id": "NCT00468273",
      "title": "A Clinical Study of Intravenous Immunoglobulin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Immunologic Deficiency Syndromes"
      ],
      "interventions": [
        {
          "name": "Immune Globulin Intravenous (Human) Omr-IgG-am IGIV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "FFF Enterprises",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "3 Years to 75 Years"
      },
      "enrollment_count": 57,
      "start_date": "2006-11",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2014-08-11",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Centennial, Colorado • North Palm Beach, Florida + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "North Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00468273"
    },
    {
      "nct_id": "NCT00000876",
      "title": "Safety and Effectiveness of CD4-IgG2 in HIV-Positive Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "CD4-IgG2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "2 Years to 12 Years"
      },
      "enrollment_count": 12,
      "start_date": null,
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 8,
      "location_summary": "Long Beach, California • Los Angeles, California • Orange, California + 4 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000876"
    },
    {
      "nct_id": "NCT00000675",
      "title": "A Phase I Study of the Safety and Pharmacokinetics of Recombinant Human CD4 Immunoglobulin (rCd4-IgG) Administered by Intravenous Bolus in Patients With AIDS and AIDS Related Complex",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "CD4-IgG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 2,
      "location_summary": "Stanford, California • Seattle, Washington",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000675"
    },
    {
      "nct_id": "NCT05193552",
      "title": "Usage of Spirometry in Managing IgG Therapy in CVID With Airway Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Common Variable Immunodeficiency"
      ],
      "interventions": [
        {
          "name": "Hizentra",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2024-01-15",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05193552"
    },
    {
      "nct_id": "NCT01406470",
      "title": "Phase 3 Study of Immune Globulin Intravenous (Human)IVIG-SN™ in Subjects With Primary Immunodeficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Immunologic Deficiency Syndrome"
      ],
      "interventions": [
        {
          "name": "Immune Globulin Intravenous (Human) 5% Liquid, IVIG-SN™",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Green Cross Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "2 Years to 70 Years"
      },
      "enrollment_count": 45,
      "start_date": "2011-09",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2014-01-10",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • North Palm Beach, Florida • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "North Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01406470"
    },
    {
      "nct_id": "NCT00001145",
      "title": "Study of Immune Responses and Safety of Recombinant Human CD40 Ligand in Patients With X-Linked Hyper-IgM Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Immunoproliferative Disorder"
      ],
      "interventions": [
        {
          "name": "Bacteriophage",
          "type": "DRUG"
        },
        {
          "name": "rhuCD40L",
          "type": "DRUG"
        },
        {
          "name": "KLH",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 5,
      "start_date": "1999-10",
      "completion_date": "2003-10",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001145"
    },
    {
      "nct_id": "NCT03164967",
      "title": "Study to Evaluate Safety and Pharmacokinetics of BIVIGAM® in Primary Immune Deficiency Subjects Aged 2 to 16",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Humoral Immune Response"
      ],
      "interventions": [
        {
          "name": "Bivigam",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ADMA Biologics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "2 Years to 16 Years"
      },
      "enrollment_count": 16,
      "start_date": "2016-12-29",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-01",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 8,
      "location_summary": "Centennial, Colorado • Durham, Florida • North Palm Beach, Florida + 5 more",
      "locations": [
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Durham",
          "state": "Florida"
        },
        {
          "city": "North Palm Beach",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Mayfield Heights",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03164967"
    },
    {
      "nct_id": "NCT01646411",
      "title": "300 Antibody Diagnostic Test Kit",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Bacterial Infections",
        "Acute Viral Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Plasma Source",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 300,
      "start_date": "2012-08",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2012-07-20",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 1,
      "location_summary": "Southampton, Pennsylvania",
      "locations": [
        {
          "city": "Southampton",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01646411"
    },
    {
      "nct_id": "NCT00220766",
      "title": "Rapid Infusion of Immune Globulin Intravenous (Human) In Primary Immunodeficiency Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Immunologic Deficiency Syndrome",
        "Agammaglobulinemia",
        "Severe Combined Immunodeficiency",
        "Wiskott-Aldrich Syndrome",
        "Common Variable Immunodeficiency"
      ],
      "interventions": [
        {
          "name": "Immune Globulin Intravenous [Human], 10% Caprylate/Chromatography Purified",
          "type": "DRUG"
        },
        {
          "name": "Dextrose, 5% in Water",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "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": 100,
      "start_date": "2002-08",
      "completion_date": "2004-03",
      "has_results": false,
      "last_update_posted_date": "2009-09-25",
      "last_synced_at": "2026-07-22T14:42:39.382Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Denver, Colorado • Washington D.C., District of Columbia + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "North Palm Beach",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00220766"
    }
  ]
}