{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Lymphopenia",
    "query": {
      "condition": "Lymphopenia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Lymphopenia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T20:42:51.384Z",
  "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": "NCT05600920",
      "title": "A Single-arm, Dose-escalation Trial of Long-acting Recombinant Human IL-7 (NT-I7, Efineptakin Alfa) for Idiopathic CD4 Lymphopenia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Idiopathic CD4 Lymphopenia"
      ],
      "interventions": [
        {
          "name": "Recombinant human interleukin (IL) 7-hyFc",
          "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": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-11-06",
      "completion_date": "2026-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05600920"
    },
    {
      "nct_id": "NCT00639639",
      "title": "Vaccine Therapy in Treating Patients With Newly Diagnosed Glioblastoma Multiforme",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malignant Neoplasms of Brain"
      ],
      "interventions": [
        {
          "name": "tetanus toxoid",
          "type": "BIOLOGICAL"
        },
        {
          "name": "therapeutic autologous dendritic cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "therapeutic autologous lymphocytes",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Gary Archer Ph.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2006-02-06",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-13",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00639639"
    },
    {
      "nct_id": "NCT00278954",
      "title": "Efficacy, Safety and Pharmacokinetics of Gammaplex in Primary Immunodeficiency Diseases.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Immunodeficiency",
        "Common Variable Hypogammaglobulinemia",
        "X-linked Hypogammaglobulinemia",
        "Hypogammaglobulinemia",
        "Immunodeficiency With Hyper-IgM",
        "Wiskott-Aldrich Syndrome"
      ],
      "interventions": [
        {
          "name": "Gammaplex (Intravenous immunoglobulin)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bio Products Laboratory",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2006-01",
      "completion_date": "2007-11",
      "has_results": true,
      "last_update_posted_date": "2013-01-24",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 7,
      "location_summary": "North Palm Beach, Florida • Atlanta, Georgia • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "North Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Irving",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00278954"
    },
    {
      "nct_id": "NCT00385450",
      "title": "Cardiopulmonary Bypass-Induced Lymphocytopenia and the Potential Effects of Protease Inhibitor",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cardiopulmonary Bypass"
      ],
      "interventions": [
        {
          "name": "Nelfinavir/placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 41,
      "start_date": "2006-10",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2015-04-28",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00385450"
    },
    {
      "nct_id": "NCT01410825",
      "title": "Pilot and Feasibility Study of Hematopoietic Stem Cell Gene Transfer for the Wiskott-Aldrich Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Wiskott-Aldrich Syndrome"
      ],
      "interventions": [
        {
          "name": "Retrovirus-mediated gene transfer",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "David Williams",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "3 Months to 35 Years · Male only"
      },
      "enrollment_count": 5,
      "start_date": "2011-07",
      "completion_date": "2024-09",
      "has_results": false,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01410825"
    },
    {
      "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": "2026-06-10T20:42:51.384Z",
      "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"
    },
    {
      "nct_id": "NCT00091143",
      "title": "Fludarabine Followed by Vaccine Therapy and White Blood Cell Infusions in Treating Patients With Unresectable or Metastatic Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma (Skin)"
      ],
      "interventions": [
        {
          "name": "gp100 antigen",
          "type": "BIOLOGICAL"
        },
        {
          "name": "incomplete Freund's adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "keyhole limpet hemocyanin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Providence Cancer Center, Earle A. Chiles Research Institute",
      "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": "2004-07",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2013-04-04",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00091143"
    },
    {
      "nct_id": "NCT00909363",
      "title": "Thrombocytopenia and Bleeding in Wiskott-Aldrich Syndrome (WAS) Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Wiskott-Aldrich Syndrome",
        "Thrombocytopenia",
        "Bleeding"
      ],
      "interventions": [
        {
          "name": "Promacta",
          "type": "DRUG"
        },
        {
          "name": "blood drawing in patients with WAS",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "blood drawing in healthy controls",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "3 Months to 80 Years · Male only"
      },
      "enrollment_count": 24,
      "start_date": "2009-06",
      "completion_date": "2017-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-03-18",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909363"
    },
    {
      "nct_id": "NCT01917708",
      "title": "Bone Marrow Transplant With Abatacept for Non-Malignant Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hurler Syndrome",
        "Fanconi Anemia",
        "Glanzmann Thrombasthenia",
        "Wiskott-Aldrich Syndrome",
        "Chronic Granulomatous Disease",
        "Severe Congenital Neutropenia",
        "Leukocyte Adhesion Deficiency",
        "Shwachman-Diamond Syndrome",
        "Diamond-Blackfan Anemia",
        "Dyskeratosis-congenita",
        "Chediak-Higashi Syndrome",
        "Severe Aplastic Anemia",
        "Thalassemia Major",
        "Hemophagocytic Lymphohistiocytosis",
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Abatacept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 10,
      "start_date": "2014-01",
      "completion_date": "2019-09-19",
      "has_results": false,
      "last_update_posted_date": "2019-12-26",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01917708"
    },
    {
      "nct_id": "NCT00001319",
      "title": "Evaluation of HIV-Negative Patients With Low CD4+ T Lymphocyte Counts",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "CD4 Lymphocytopenia",
        "Idiopathic CD4 Positive T Lymphocytopenia"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 100,
      "start_date": "1992-09",
      "completion_date": "2003-07",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T20:42:51.384Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001319"
    }
  ]
}