{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Immune+System+Disorders&page=19",
    "query": {
      "condition": "Immune System Disorders",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 20994,
    "total_pages": 2100,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Immune+System+Disorders&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Immune+System+Disorders&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T09:34:58.363Z",
  "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": "NCT04573634",
      "title": "A Registry Study of COVID-19 Serologic and Virologic Testing to Accelerate Recovery and Transition",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19",
        "SARS-CoV Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Jill M Kolesar",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-05-15",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-09-14",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04573634"
    },
    {
      "nct_id": "NCT01172821",
      "title": "Evaluation of Tiotropium 2.5 and 5 mcg Once Daily Delivered Via the Respimat® Inhaler Compared to Placebo and Salmeterol HydroFluoroAlkane (HFA) Metered Dose Inhaler (MDI) (50 mcg Twice Daily) in Patient With Moderate Persistent Asthma II",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "tiotropium Respimat® low dose",
          "type": "DRUG"
        },
        {
          "name": "tiotropium Respimat® high dose",
          "type": "DRUG"
        },
        {
          "name": "50 mcg salmeterol HFA MDI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "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": 1032,
      "start_date": "2010-08",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-06-09",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 18,
      "location_summary": "Los Angeles, California • Stockton, California • Centennial, Colorado + 15 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Panama City",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01172821"
    },
    {
      "nct_id": "NCT07021716",
      "title": "COVID-19 Knowledge, Attitudes, Practices and Perceived Risk: Cross Sectional Mixed Methods",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID - 19",
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "No Interventions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hunter College of City University of New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 148,
      "start_date": "2020-04-01",
      "completion_date": "2020-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07021716"
    },
    {
      "nct_id": "NCT06154304",
      "title": "BE Study of Albuterol Sulfate Inhalation Aerosol 90 mcg Per Actuation in Patients With Stable Mild Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bronchial Asthma"
      ],
      "interventions": [
        {
          "name": "Albuterol Sulfate Inhalation Aerosol (90 mcg per actuation)",
          "type": "DRUG"
        },
        {
          "name": "Ventolin HFA 90Mcg/Actuation Inhalation Aerosol_#1",
          "type": "DRUG"
        },
        {
          "name": "Ventolin HFA, 90 Mcg/Inh Inhalation Aerosol_#2",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cipla Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 120,
      "start_date": "2023-12-06",
      "completion_date": "2024-11-29",
      "has_results": false,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 1,
      "location_summary": "Medford, Oregon",
      "locations": [
        {
          "city": "Medford",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06154304"
    },
    {
      "nct_id": "NCT00005804",
      "title": "Bone Marrow Transplantation in Treating Patients With Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Precancerous/Nonmalignant Condition",
        "Small Intestine Cancer"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "Up to 50 Years"
      },
      "enrollment_count": null,
      "start_date": "1999-10",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2010-04-02",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005804"
    },
    {
      "nct_id": "NCT04545333",
      "title": "The clonoSEQ® Watch Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia, Adult B-Cell",
        "Chronic Lymphocytic Leukemia",
        "Multiple Myeloma",
        "Non-hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "clonoSEQ Assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Adaptive Biotechnologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 465,
      "start_date": "2020-10-13",
      "completion_date": "2023-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-01",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 14,
      "location_summary": "Stanford, California • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 10 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Skokie",
          "state": "Illinois"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04545333"
    },
    {
      "nct_id": "NCT04933552",
      "title": "Post-Authorization Safety Study for Assessment of Pregnancy Outcomes in Patients Treated With Mayzent",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Siponimod",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 867,
      "start_date": "2021-12-15",
      "completion_date": "2032-05-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04933552"
    },
    {
      "nct_id": "NCT00815347",
      "title": "Bosentan for Poorly Controlled Asthma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "bosentan",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 11,
      "start_date": "2008-12",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2012-10-01",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00815347"
    },
    {
      "nct_id": "NCT00006098",
      "title": "PS-341 in Treating Patients With Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "bortezomib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering 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": null,
      "start_date": "2000-04",
      "completion_date": "2001-10",
      "has_results": false,
      "last_update_posted_date": "2013-06-18",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006098"
    },
    {
      "nct_id": "NCT00002809",
      "title": "Bone Marrow Transplant Plus Cyclophosphamide and Total-Body Irradiation in Treating Patients With Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "therapeutic immune globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "17 Years to 60 Years"
      },
      "enrollment_count": 10,
      "start_date": "1996-08",
      "completion_date": "2003-12",
      "has_results": false,
      "last_update_posted_date": "2010-10-01",
      "last_synced_at": "2026-10-22T09:34:58.363Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002809"
    }
  ]
}