{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Neutralizing+Antibody",
    "query": {
      "condition": "Neutralizing Antibody"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 98,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Neutralizing+Antibody&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-21T21:21:39.672Z",
  "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": "NCT04301778",
      "title": "Durvalumab and SNDX-6532 Following Chemo or Radio-Embolization for Patients With Intrahepatic Cholangiocarcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Unresectable Intrahepatic Cholangiocarcinoma"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "DRUG"
        },
        {
          "name": "SNDX-6352",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2021-08-24",
      "completion_date": "2024-02-06",
      "has_results": true,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301778"
    },
    {
      "nct_id": "NCT02484417",
      "title": "Respiratory Syncytial Virus Human Challenge in Healthy Adult Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Upper Respiratory Tract Infection"
      ],
      "interventions": [
        {
          "name": "RSV A2",
          "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": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 32,
      "start_date": "2015-07-21",
      "completion_date": "2016-08-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02484417"
    },
    {
      "nct_id": "NCT06003387",
      "title": "Efficacy and Safety of CSL222 (Etranacogene Dezaparvovec) Gene Therapy in Adults With Hemophilia B With Pretreatment Adeno-associated Virus Serotype 5 (AAV5) Neutralizing Antibodies (Nabs)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "CSL222 (AAV5-hFIXco-Padua)",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "CSL Behring",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2024-01-30",
      "completion_date": "2032-04-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 3,
      "location_summary": "San Diego, California • Ann Arbor, Michigan • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06003387"
    },
    {
      "nct_id": "NCT04524507",
      "title": "Coronavirus Disease 2019 (COVID-19) Antibody Plasma Research Study in Hospitalized Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "High-titer Convalescent COVID-19 Plasma (CCP1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard-titer Convalescent COVID-19 plasma (CCP2)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 56,
      "start_date": "2020-08-27",
      "completion_date": "2021-06-04",
      "has_results": true,
      "last_update_posted_date": "2021-12-03",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04524507"
    },
    {
      "nct_id": "NCT04645147",
      "title": "Safety and Immunogenicity of an Epstein-Barr Virus (EBV) gp350-Ferritin Nanoparticle Vaccine in Healthy Adults With or Without EBV Infection",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "EBV",
        "Epstein-Barr Virus Infection",
        "Infectious Mononucleosis"
      ],
      "interventions": [
        {
          "name": "EBV gp350-Ferritin Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Matrix-M1",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 83,
      "start_date": "2022-03-29",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-07-17",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04645147"
    },
    {
      "nct_id": "NCT06071767",
      "title": "Evaluation of Safety, Immunogenicity and Efficacy of a Triple Immune Regimen in Adults Initiated on ART During Acute HIV-1",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HIV-1-infection"
      ],
      "interventions": [
        {
          "name": "ChAdOx1.tHIVconsv1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ChAdOx1.HIVconsv62",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MVA.tHIVconsv3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MVA.tHIVconsv4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vesatolimod (VES)",
          "type": "DRUG"
        },
        {
          "name": "GS-5423",
          "type": "DRUG"
        },
        {
          "name": "GS-2872",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 36,
      "start_date": "2024-04-01",
      "completion_date": "2029-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 10,
      "location_summary": "San Diego, California • Atlanta, Georgia • Chicago, Illinois + 7 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06071767"
    },
    {
      "nct_id": "NCT05627258",
      "title": "A Study of the Safety and Pharmacokinetics of a Human Monoclonal Antibody, VRCHIVMAB0115-00-AB (VRC01.23LS), Administered Intravenously or Subcutaneously to Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "VRC-HIVMAB0115-00-AB",
          "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": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 23,
      "start_date": "2023-01-30",
      "completion_date": "2024-07-17",
      "has_results": true,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05627258"
    },
    {
      "nct_id": "NCT04543357",
      "title": "A Study to Evaluate AAV9 Neutralizing Antibody Seroconversion in Household Contacts.",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Household Contacts"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2022-08-17",
      "completion_date": "2024-02-27",
      "has_results": true,
      "last_update_posted_date": "2025-02-26",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04543357"
    },
    {
      "nct_id": "NCT03229278",
      "title": "Trigriluzole With Nivolumab and Pembrolizumab in Treating Patients With Metastatic or Unresectable Solid Malignancies or Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lymphoma",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Melanoma",
        "Metastatic Renal Cell Cancer",
        "Recurrent Bladder Carcinoma",
        "Recurrent Classical Hodgkin Lymphoma",
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Recurrent Lymphoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Renal Cell Carcinoma",
        "Stage III Bladder Cancer",
        "Stage III Lymphoma",
        "Stage III Non-Small Cell Lung Cancer AJCC v7",
        "Stage III Renal Cell Cancer",
        "Stage III Skin Melanoma",
        "Stage IIIA Non-Small Cell Lung Cancer AJCC v7",
        "Stage IIIA Skin Melanoma",
        "Stage IIIB Non-Small Cell Lung Cancer AJCC v7",
        "Stage IIIB Skin Melanoma",
        "Stage IIIC Skin Melanoma",
        "Stage IV Bladder Cancer",
        "Stage IV Lymphoma",
        "Stage IV Non-Small Cell Lung Cancer AJCC v7",
        "Stage IV Renal Cell Cancer",
        "Stage IV Skin Melanoma",
        "Stage IVA Bladder Cancer",
        "Stage IVB Bladder Cancer",
        "Unresectable Head and Neck Squamous Cell Carcinoma",
        "Unresectable Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Enzyme Inhibitor Therapy",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2017-10-03",
      "completion_date": "2022-10-30",
      "has_results": true,
      "last_update_posted_date": "2023-12-06",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03229278"
    },
    {
      "nct_id": "NCT03893240",
      "title": "Neutralizing Antibody Seroprevalence Study With a Retrospective Component in Participants With Late-Onset Pompe Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pompe Disease",
        "Pompe Disease (Late-onset)",
        "Glycogen Storage Disease Type 2",
        "LOPD",
        "Lysosomal Storage Diseases",
        "Acid Maltase Deficiency"
      ],
      "interventions": [
        {
          "name": "Neutralizing Antibody to SPK-3006 capsid",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Spark Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2019-06-12",
      "completion_date": "2020-10-27",
      "has_results": false,
      "last_update_posted_date": "2023-03-24",
      "last_synced_at": "2026-07-21T21:21:39.672Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Orange, California • Kansas City, Kansas + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03893240"
    }
  ]
}