{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Data+Collection",
    "query": {
      "intervention": "Biomarker Data Collection"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 186,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Data+Collection&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T06:17:34.117Z",
  "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": "NCT03521180",
      "title": "A Study to Evaluate Gluten Challenge on Immune Responses in Subjects With Celiac Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Celiac Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Celgene",
      "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": 5,
      "start_date": "2018-05-11",
      "completion_date": "2019-07-18",
      "has_results": false,
      "last_update_posted_date": "2020-02-26",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • Seattle, Washington",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03521180"
    },
    {
      "nct_id": "NCT05071859",
      "title": "Genetic Overlap Between Anomalies and Cancer in Kids in the Children's Oncology Group: The COG GOBACK Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Anomaly",
        "Pediatric Cancer"
      ],
      "interventions": [
        {
          "name": "Whole Genome Sequencing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen collection",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2021-09-10",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05071859"
    },
    {
      "nct_id": "NCT01649661",
      "title": "MRI Parenchymal Enhancement: A New Marker of Breast Cancer Risk",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer Free Women"
      ],
      "interventions": [
        {
          "name": "questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 437,
      "start_date": "2012-07",
      "completion_date": "2023-01-25",
      "has_results": false,
      "last_update_posted_date": "2023-01-26",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01649661"
    },
    {
      "nct_id": "NCT02868268",
      "title": "Neuroblastoma Precision Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Gene panel sequencing of tumor specimens",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New Approaches to Neuroblastoma Therapy Consortium",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "1 Year to 30 Years"
      },
      "enrollment_count": 93,
      "start_date": "2016-08-22",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • San Francisco, California • Aurora, Colorado + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02868268"
    },
    {
      "nct_id": "NCT01820117",
      "title": "Brain Integrity in Survivors of Hodgkin Lymphoma Treated With Thoracic Radiation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Neurocognitive Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Quantitative Brain Imaging",
          "type": "OTHER"
        },
        {
          "name": "Neurologic Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Health Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Vascular Testing",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary Exercise Testing",
          "type": "OTHER"
        },
        {
          "name": "Echocardiography",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Function Testing",
          "type": "OTHER"
        },
        {
          "name": "Serum Biomarkers",
          "type": "PROCEDURE"
        },
        {
          "name": "Ophthalmology Examination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 416,
      "start_date": "2013-04-26",
      "completion_date": "2018-02-20",
      "has_results": false,
      "last_update_posted_date": "2018-03-01",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01820117"
    },
    {
      "nct_id": "NCT06934096",
      "title": "Ultrasound of the Spleen Utilizing Low-energy (Diagnostic Level) Insonification.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemostasis",
        "Blood Biomarkers",
        "Ultrasound"
      ],
      "interventions": [
        {
          "name": "Ultrasound Pulsed Doppler Imaging System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 39,
      "start_date": "2026-01-08",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06934096"
    },
    {
      "nct_id": "NCT04864080",
      "title": "Transdiagnostic Cognitive Biomarkers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Computer game/task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health surveys online",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2022-04-11",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04864080"
    },
    {
      "nct_id": "NCT05287347",
      "title": "Panc CA Risk Model & Biomarker Testing In High-Risk Cohort",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Blood Specimen",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "50 Years to 100 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-01-01",
      "completion_date": "2024-12-03",
      "has_results": false,
      "last_update_posted_date": "2025-05-25",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05287347"
    },
    {
      "nct_id": "NCT07478016",
      "title": "EXploring Inflammation and Social deTerminants Study in Breast Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Ductal Carcinoma In Situ"
      ],
      "interventions": [
        {
          "name": "Survey Assessments",
          "type": "OTHER"
        },
        {
          "name": "Diet Recall",
          "type": "OTHER"
        },
        {
          "name": "Blood Biomarker Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2022-12-21",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07478016"
    },
    {
      "nct_id": "NCT07296107",
      "title": "In Vitro Fertilization (IVF) and Prenatal Effects Independent of Genetics",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Maternal Distress",
        "Child Development"
      ],
      "interventions": [
        {
          "name": "Prenatal maternal psychosocial and biological assessment protocol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 360,
      "start_date": "2026-05-08",
      "completion_date": "2030-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-04T06:17:34.117Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07296107"
    }
  ]
}