{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=2",
    "query": {
      "intervention": "Biomarker blood draw",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 1740,
    "total_pages": 174,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T04:46:49.186Z",
  "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": "NCT03003845",
      "title": "S1P1 Receptor Subtype (S1PR1) Axis in Patients With Interstitial Cystitis (IC) Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Interstitial Cystitis"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Collection of Blood samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2019-02-26",
      "completion_date": "2020-02-27",
      "has_results": false,
      "last_update_posted_date": "2021-07-23",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03003845"
    },
    {
      "nct_id": "NCT01692353",
      "title": "Cardiovascular Disease Biomarkers in Smokers and Moist Snuff Consumers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Disease",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Subject's usual brand (UB) tobacco product",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "R.J. Reynolds Tobacco Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "26 Years",
        "maximum_age": "49 Years",
        "sex": "MALE",
        "summary": "26 Years to 49 Years · Male only"
      },
      "enrollment_count": 168,
      "start_date": "2008-09",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2016-02-17",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01692353"
    },
    {
      "nct_id": "NCT00776412",
      "title": "Blood Markers of Inflammation, Blood Clotting and Blood Vessel Function in HIV-infected Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammation",
        "Pathologic Processes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 310,
      "start_date": "2008-11-20",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00776412"
    },
    {
      "nct_id": "NCT05429320",
      "title": "A Study of Local Ablative Therapy (LAT) in People With Non-Small Cell Lung Cancer (NSCLC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer",
        "Metastatic Non Small Cell Lung Cancer",
        "Nsclc",
        "NSCLC Stage IV",
        "Minimal Residual Disease",
        "Non Small Cell Lung Cancer Metastatic"
      ],
      "interventions": [
        {
          "name": "Local ablative therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood collection to assess for ctDNA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "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": 37,
      "start_date": "2022-06-15",
      "completion_date": "2026-01-28",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 9,
      "location_summary": "Hartford, Connecticut • Miami, Florida • Basking Ridge, New Jersey + 6 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05429320"
    },
    {
      "nct_id": "NCT02021682",
      "title": "CNS and Plasma Amyloid-Beta Kinetics in Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2013-12",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2017-12-05",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02021682"
    },
    {
      "nct_id": "NCT02566304",
      "title": "Reduced Intensity Chemotherapy and Radiation Therapy Before Donor Stem Cell Transplant in Treating Patients With Hematologic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Acute Myeloid Leukemia in Remission",
        "Aplastic Anemia",
        "Chronic Myelomonocytic Leukemia",
        "Hodgkin Lymphoma",
        "Indolent Non-Hodgkin Lymphoma",
        "Malignant Neoplasm",
        "Myelodysplastic Syndrome",
        "Myeloproliferative Neoplasm",
        "Plasma Cell Myeloma",
        "Refractory Anemia",
        "Refractory Anemia With Excess Blasts",
        "Refractory Anemia With Ring Sideroblasts",
        "Refractory Cytopenia With Multilineage Dysplasia",
        "Refractory Cytopenia With Multilineage Dysplasia and Ring Sideroblasts"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "T Cell-Depleted Donor Lymphocyte Infusion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2015-11-13",
      "completion_date": "2024-02-13",
      "has_results": true,
      "last_update_posted_date": "2025-04-24",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02566304"
    },
    {
      "nct_id": "NCT00084604",
      "title": "Irinotecan, Cisplatin, and Bevacizumab in Treating Patients With Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenocarcinoma of the Gastroesophageal Junction",
        "Diffuse Adenocarcinoma of the Stomach",
        "Intestinal Adenocarcinoma of the Stomach",
        "Mixed Adenocarcinoma of the Stomach",
        "Recurrent Gastric Cancer",
        "Stage IIIA Gastric Cancer",
        "Stage IIIB Gastric Cancer",
        "Stage IIIC Gastric Cancer",
        "Stage IV Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2004-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-04",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084604"
    },
    {
      "nct_id": "NCT04241133",
      "title": "The UnProcessed Pantry Project (UP3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diet, Healthy",
        "Diet Habit",
        "Disease, Chronic",
        "Health Behavior",
        "Rural Health"
      ],
      "interventions": [
        {
          "name": "The UnProcessed Pantry Project (UP3)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Montana State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 78,
      "start_date": "2020-01-24",
      "completion_date": "2020-08-15",
      "has_results": true,
      "last_update_posted_date": "2022-05-02",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 1,
      "location_summary": "Bozeman, Montana",
      "locations": [
        {
          "city": "Bozeman",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04241133"
    },
    {
      "nct_id": "NCT02978625",
      "title": "Talimogene Laherparepvec and Nivolumab in Treating Patients With Refractory Lymphomas or Advanced or Refractory Non-melanoma Skin Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anaplastic Large Cell Lymphoma, ALK-Negative",
        "Anaplastic Large Cell Lymphoma, ALK-Positive",
        "Apocrine Carcinoma",
        "Carcinoma Arising From Cylindroma",
        "Carcinoma Arising From Spiradenoma",
        "Digital Papillary Adenocarcinoma",
        "Endocrine Mucin-Producing Sweat Gland Carcinoma",
        "Extramammary Paget Disease",
        "Extraocular Sebaceous Carcinoma",
        "Hidradenocarcinoma",
        "Malignant Sweat Gland Neoplasm",
        "Merkel Cell Carcinoma",
        "Microcystic Adnexal Carcinoma",
        "NK-Cell Lymphoma, Unclassifiable",
        "Papillary Adenocarcinoma",
        "Porocarcinoma",
        "Primary Cutaneous Mucinous Carcinoma",
        "Recurrent Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma",
        "Recurrent T-Cell Non-Hodgkin Lymphoma",
        "Refractory Anaplastic Large Cell Lymphoma",
        "Refractory Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma",
        "Refractory Merkel Cell Carcinoma",
        "Refractory Mycosis Fungoides",
        "Refractory Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Refractory Skin Squamous Cell Carcinoma",
        "Refractory T-Cell Non-Hodgkin Lymphoma",
        "Sezary Syndrome",
        "Signet Ring Cell Adenocarcinoma",
        "Skin Adenoid Cystic Carcinoma",
        "Skin Adnexal Carcinoma",
        "Skin Basal Cell Carcinoma",
        "Skin Basosquamous Cell Carcinoma",
        "Skin Keratoacanthoma",
        "Skin Squamous Cell Carcinoma",
        "Squamoid Eccrine Ductal Carcinoma",
        "Squamous Cell Carcinoma of Unknown Primary",
        "Sweat Gland Carcinoma",
        "Trichilemmal Carcinoma",
        "Vulvar Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Mammography",
          "type": "PROCEDURE"
        },
        {
          "name": "Talimogene Laherparepvec",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2017-09-27",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 36,
      "location_summary": "Los Angeles, California • Orange, California • Pasadena, California + 28 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02978625"
    },
    {
      "nct_id": "NCT01915615",
      "title": "HCMR - Novel Markers of Prognosis in Hypertrophic Cardiomyopathy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "None - this is an observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 2750,
      "start_date": "2014-04",
      "completion_date": "2025-06",
      "has_results": false,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-10-07T04:46:49.186Z",
      "location_count": 17,
      "location_summary": "New Haven, Connecticut • Chicago, Illinois • Baltimore, Maryland + 10 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01915615"
    }
  ]
}