{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=B-Cell+Deficiency&page=3",
    "query": {
      "condition": "B-Cell Deficiency",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 85,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=B-Cell+Deficiency&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=B-Cell+Deficiency&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T22:33:59.967Z",
  "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": "NCT00014859",
      "title": "Epidemiology of Surfactant Protein-B Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Diseases",
        "Respiratory Distress Syndrome, Newborn",
        "Pulmonary Surfactant",
        "Lung Diseases, Interstitial"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "Up to 1 Year"
      },
      "enrollment_count": 5176,
      "start_date": "2001-06-01",
      "completion_date": "2024-04-26",
      "has_results": false,
      "last_update_posted_date": "2024-04-29",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00014859"
    },
    {
      "nct_id": "NCT03894618",
      "title": "SL-279252 (PD1-Fc-OX40L) in Subjects With Advanced Solid Tumors or Lymphomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of the Head and Neck",
        "Melanoma",
        "Non Small Cell Lung Cancer",
        "Urothelial Carcinoma",
        "Gastric Adenocarcinoma",
        "Gastroesophageal Junction Adenocarcinoma",
        "Squamous Cell Carcinoma of the Anus",
        "Squamous Cell Carcinoma of the Cervix",
        "Squamous Cell Carcinoma of the Skin",
        "Renal Cell Carcinoma",
        "Hodgkin Lymphoma",
        "Diffuse Large B Cell Lymphoma",
        "Mismatch Repair Deficient or MSI-High Solid Tumors"
      ],
      "interventions": [
        {
          "name": "SL-279252",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shattuck Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2019-03-26",
      "completion_date": "2023-05-04",
      "has_results": true,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee • Houston, Texas",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03894618"
    },
    {
      "nct_id": "NCT04097561",
      "title": "Safety of Belimumab in People With Idiopathic CD4 Lymphopenia and Autoantibodies (Phoebe)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Idiopathic CD4 Lymphopenia"
      ],
      "interventions": [
        {
          "name": "Belimumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2020-01-13",
      "completion_date": "2027-03-25",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04097561"
    },
    {
      "nct_id": "NCT06253507",
      "title": "pCCLCHIM-p47 (Lentiviral Vector Transduced CD34 Plus Cells) in Patients With p47 Autosomal Recessive Chronic Granulomatous Disease (AR-CGD)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "p47",
        "Autosomal Recessive",
        "Chronic Granulomatous Disease"
      ],
      "interventions": [
        {
          "name": "Cryopreserved Autologous CD34+ cells transduced with pCCLCHIM-p47",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "3 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-06-25",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06253507"
    },
    {
      "nct_id": "NCT00024934",
      "title": "B-Lymphocyte Stimulator (BLyS) To Treat Selective IgA Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "IgA Deficiency"
      ],
      "interventions": [
        {
          "name": "B-Lymphocyte Stimulator (BLyS)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2001-10",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2016-09-22",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00024934"
    },
    {
      "nct_id": "NCT01924169",
      "title": "Lenalidomide as Immune Adjuvant in Patient's With Chronic Lymphocytic Leukemia (CLL)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hematologic Disorder"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumovax Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "M.D. Anderson 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": 3,
      "start_date": "2014-11-24",
      "completion_date": "2017-02-21",
      "has_results": true,
      "last_update_posted_date": "2018-09-20",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01924169"
    },
    {
      "nct_id": "NCT00668564",
      "title": "Hematopoietic Stem Cell Transplantation (HCT) for Inborn Errors of Metabolism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hurler's Syndrome",
        "Maroteaux-Lamy Syndrome",
        "Sly Syndrome",
        "Alpha Mannosidosis",
        "Fucosidosis",
        "Aspartylglucosaminuria",
        "Sphingolipidoses",
        "Krabbe Disease",
        "Wolman's Disease",
        "Niemann-Pick Disease Type B",
        "Niemann-Pick Disease, Type C"
      ],
      "interventions": [
        {
          "name": "Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Campath-1H",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 18,
      "start_date": "2008-03",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2017-12-28",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00668564"
    },
    {
      "nct_id": "NCT01529827",
      "title": "Fludarabine Phosphate, Melphalan, and Low-Dose Total-Body Irradiation Followed by Donor Peripheral Blood Stem Cell Transplant in Treating Patients With Hematologic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Accelerated Phase Chronic Myelogenous Leukemia",
        "Adult Acute Lymphoblastic Leukemia in Remission",
        "Adult Acute Myeloid Leukemia in Remission",
        "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities",
        "Adult Acute Myeloid Leukemia With Del(5q)",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(15;17)(q22;q12)",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)",
        "Adult Grade III Lymphomatoid Granulomatosis",
        "Adult Nasal Type Extranodal NK/T-cell Lymphoma",
        "Anaplastic Large Cell Lymphoma",
        "Angioimmunoblastic T-cell Lymphoma",
        "Aplastic Anemia",
        "Burkitt Lymphoma",
        "Childhood Acute Lymphoblastic Leukemia in Remission",
        "Childhood Acute Myeloid Leukemia in Remission",
        "Childhood Chronic Myelogenous Leukemia",
        "Childhood Diffuse Large Cell Lymphoma",
        "Childhood Grade III Lymphomatoid Granulomatosis",
        "Childhood Immunoblastic Large Cell Lymphoma",
        "Childhood Myelodysplastic Syndromes",
        "Childhood Nasal Type Extranodal NK/T-cell Lymphoma",
        "Chronic Myelomonocytic Leukemia",
        "Chronic Phase Chronic Myelogenous Leukemia",
        "Congenital Amegakaryocytic Thrombocytopenia",
        "Diamond-Blackfan Anemia",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Hepatosplenic T-cell Lymphoma",
        "Juvenile Myelomonocytic Leukemia",
        "Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Paroxysmal Nocturnal Hemoglobinuria",
        "Peripheral T-cell Lymphoma",
        "Polycythemia Vera",
        "Post-transplant Lymphoproliferative Disorder",
        "Previously Treated Myelodysplastic Syndromes",
        "Primary Myelofibrosis",
        "Recurrent Adult Acute Lymphoblastic Leukemia",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Recurrent Adult Burkitt Lymphoma",
        "Recurrent Adult Diffuse Large Cell Lymphoma",
        "Recurrent Adult Diffuse Mixed Cell Lymphoma",
        "Recurrent Adult Diffuse Small Cleaved Cell Lymphoma",
        "Recurrent Adult Grade III Lymphomatoid Granulomatosis",
        "Recurrent Adult Hodgkin Lymphoma",
        "Recurrent Adult Immunoblastic Large Cell Lymphoma",
        "Recurrent Adult Lymphoblastic Lymphoma",
        "Recurrent Adult T-cell Leukemia/Lymphoma",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia",
        "Recurrent Childhood Anaplastic Large Cell Lymphoma",
        "Recurrent Childhood Grade III Lymphomatoid Granulomatosis",
        "Recurrent Childhood Large Cell Lymphoma",
        "Recurrent Childhood Lymphoblastic Lymphoma",
        "Recurrent Childhood Small Noncleaved Cell Lymphoma",
        "Recurrent Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Recurrent Mycosis Fungoides/Sezary Syndrome",
        "Recurrent Small Lymphocytic Lymphoma",
        "Recurrent/Refractory Childhood Hodgkin Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Hairy Cell Leukemia",
        "Refractory Multiple Myeloma",
        "Secondary Acute Myeloid Leukemia",
        "Secondary Myelodysplastic Syndromes",
        "Secondary Myelofibrosis",
        "Severe Combined Immunodeficiency",
        "Severe Congenital Neutropenia",
        "Shwachman-Diamond Syndrome",
        "Splenic Marginal Zone Lymphoma",
        "T-cell Large Granular Lymphocyte Leukemia",
        "Waldenstrom Macroglobulinemia",
        "Wiskott-Aldrich Syndrome"
      ],
      "interventions": [
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "total-body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "3 Years to 75 Years"
      },
      "enrollment_count": 94,
      "start_date": "2012-02-28",
      "completion_date": "2019-08-29",
      "has_results": true,
      "last_update_posted_date": "2019-09-24",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01529827"
    },
    {
      "nct_id": "NCT01955668",
      "title": "AZD6738 First Time in Patient Multiple Ascending Dose Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "11q-deleted Relapsed/Refractory Chronic Lymphocytic Leukaemia (CLL),",
        "Prolymphocytic Leukaemia (PLL)",
        "B Cell Lymphomas"
      ],
      "interventions": [
        {
          "name": "Administration of AZD6738",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2013-11",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-06-19",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01955668"
    },
    {
      "nct_id": "NCT04398628",
      "title": "ATHN Transcends: A Natural History Study of Non-Neoplastic Hematologic Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematologic Disorder",
        "Bleeding Disorder",
        "Connective Tissue Disorder",
        "Hemophilia",
        "Thrombosis",
        "Von Willebrand Diseases",
        "Thrombophilia",
        "Rare Bleeding Disorder",
        "Platelet Disorder",
        "Factor IX Deficiency",
        "Factor VIII Deficiency",
        "Thalassemia",
        "Sickle Cell Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American Thrombosis and Hemostasis Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3000,
      "start_date": "2020-09-30",
      "completion_date": "2035-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-11-01T22:33:59.967Z",
      "location_count": 76,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 60 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04398628"
    }
  ]
}