{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=33",
    "query": {
      "intervention": "blood biomarker",
      "page": 33
    },
    "page_size": 10
  },
  "pagination": {
    "page": 33,
    "page_size": 10,
    "total_count": 1741,
    "total_pages": 175,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=34&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=32&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T13:50:44.284Z",
  "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": "NCT05262036",
      "title": "The Effects of a Longevity Supplement on Aging and Photoaging",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photoaging"
      ],
      "interventions": [
        {
          "name": "Anti-aging Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Integrative Skin Science and Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 38,
      "start_date": "2022-08-04",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-23",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05262036"
    },
    {
      "nct_id": "NCT04272333",
      "title": "Intratumoral Microdosing of Motolimod in HNSCC",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "HNSCC"
      ],
      "interventions": [
        {
          "name": "Motolimod",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Motolimod + Nivolumab",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Presage Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2021-10-15",
      "completion_date": "2022-03-25",
      "has_results": false,
      "last_update_posted_date": "2022-04-14",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • Chicago, Illinois • Winston-Salem, North Carolina + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04272333"
    },
    {
      "nct_id": "NCT00851552",
      "title": "Bortezomib, Doxorubicin Hydrochloride Liposome, and Rituximab in Treating Patients With Diffuse Large B-Cell Lymphoma That Has Relapsed or Not Responded to Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "bortezomib",
          "type": "DRUG"
        },
        {
          "name": "pegylated liposomal doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling",
          "type": "GENETIC"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2009-01",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2014-07-21",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851552"
    },
    {
      "nct_id": "NCT00397384",
      "title": "Erlotinib Hydrochloride and Cetuximab in Treating Patients With Advanced Gastrointestinal Cancer, Head and Neck Cancer, Non-Small Cell Lung Cancer, or Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adenocarcinoma of the Colon",
        "Adenocarcinoma of the Rectum",
        "Advanced Adult Primary Liver Cancer",
        "Carcinoma of the Appendix",
        "Gastrointestinal Stromal Tumor",
        "Metastatic Gastrointestinal Carcinoid Tumor",
        "Metastatic Squamous Neck Cancer With Occult Primary",
        "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity",
        "Recurrent Adult Primary Liver Cancer",
        "Recurrent Anal Cancer",
        "Recurrent Basal Cell Carcinoma of the Lip",
        "Recurrent Colon Cancer",
        "Recurrent Esophageal Cancer",
        "Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Extrahepatic Bile Duct Cancer",
        "Recurrent Gallbladder Cancer",
        "Recurrent Gastric Cancer",
        "Recurrent Gastrointestinal Carcinoid Tumor",
        "Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Lymphoepithelioma of the Nasopharynx",
        "Recurrent Lymphoepithelioma of the Oropharynx",
        "Recurrent Metastatic Squamous Neck Cancer With Occult Primary",
        "Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity",
        "Recurrent Non-small Cell Lung Cancer",
        "Recurrent Pancreatic Cancer",
        "Recurrent Rectal Cancer",
        "Recurrent Salivary Gland Cancer",
        "Recurrent Small Intestine Cancer",
        "Recurrent Squamous Cell Carcinoma of the Hypopharynx",
        "Recurrent Squamous Cell Carcinoma of the Larynx",
        "Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Recurrent Squamous Cell Carcinoma of the Nasopharynx",
        "Recurrent Squamous Cell Carcinoma of the Oropharynx",
        "Recurrent Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Verrucous Carcinoma of the Larynx",
        "Recurrent Verrucous Carcinoma of the Oral Cavity",
        "Small Intestine Adenocarcinoma",
        "Small Intestine Leiomyosarcoma",
        "Small Intestine Lymphoma",
        "Stage IV Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IV Anal Cancer",
        "Stage IV Basal Cell Carcinoma of the Lip",
        "Stage IV Colon Cancer",
        "Stage IV Esophageal Cancer",
        "Stage IV Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Gastric Cancer",
        "Stage IV Inverted Papilloma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Lymphoepithelioma of the Nasopharynx",
        "Stage IV Lymphoepithelioma of the Oropharynx",
        "Stage IV Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage IV Non-small Cell Lung Cancer",
        "Stage IV Pancreatic Cancer",
        "Stage IV Rectal Cancer",
        "Stage IV Salivary Gland Cancer",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "Stage IV Squamous Cell Carcinoma of the Larynx",
        "Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IV Squamous Cell Carcinoma of the Nasopharynx",
        "Stage IV Squamous Cell Carcinoma of the Oropharynx",
        "Stage IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Verrucous Carcinoma of the Larynx",
        "Stage IV Verrucous Carcinoma of the Oral Cavity",
        "Tongue Cancer",
        "Unresectable Extrahepatic Bile Duct Cancer",
        "Unresectable Gallbladder Cancer"
      ],
      "interventions": [
        {
          "name": "cetuximab",
          "type": "DRUG"
        },
        {
          "name": "erlotinib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 43,
      "start_date": "2007-01",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2015-09-30",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00397384"
    },
    {
      "nct_id": "NCT03694483",
      "title": "Prostasomes as Diagnostic Tool for Prostate Cancer Detection",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Genetic analysis for the detection of prostasomes",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Hackensack Meridian Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 600,
      "start_date": "2018-10-03",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03694483"
    },
    {
      "nct_id": "NCT00507702",
      "title": "Identification of Key Blood Molecular Markers for Immunotherapy",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Squamous Cell Carcinoma",
        "Adenocarcinoma",
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "phlebotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 191,
      "start_date": "2006-07-06",
      "completion_date": "2015-02-25",
      "has_results": false,
      "last_update_posted_date": "2019-04-18",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00507702"
    },
    {
      "nct_id": "NCT04624256",
      "title": "Germline DNA-Based Radiosensitivity Biomarker Influence on Toxicity Following Prostate Radiotherapy, GARUDA Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Adenocarcinoma",
        "Stage I Prostate Cancer American Joint Committee on Cancer (AJCC) v8",
        "Stage II Prostate Cancer AJCC v8",
        "Stage IIA Prostate Cancer AJCC v8",
        "Stage IIB Prostate Cancer AJCC v8",
        "Stage IIC Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Discussion",
          "type": "PROCEDURE"
        },
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 208,
      "start_date": "2020-11-10",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04624256"
    },
    {
      "nct_id": "NCT04406831",
      "title": "The Role of MicroRNA in the Diagnosis, Prognosis and Response to Treatment in Pancreatic Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer Stage III",
        "Pancreatic Cancer Stage IV",
        "Pancreatic Ductal Adenocarcinoma",
        "Pancreatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Nuvance Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2015-04",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 1,
      "location_summary": "Norwalk, Connecticut",
      "locations": [
        {
          "city": "Norwalk",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04406831"
    },
    {
      "nct_id": "NCT01096381",
      "title": "Potential Biomarkers for Bevacizumab-Induced High Blood Pressure in Patients With Solid Tumor",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Cardiovascular Complications",
        "Colorectal Cancer",
        "Fallopian Tube Cancer",
        "Head and Neck Cancer",
        "Lung Cancer",
        "Ovarian Cancer",
        "Peritoneal Cavity Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 8,
      "start_date": "2010-03",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-02-27",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01096381"
    },
    {
      "nct_id": "NCT02853097",
      "title": "Cell-Free DNA and RNA in Blood fromMetastatic Prostate Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hormone-Resistant Prostate Cancer",
        "Metastatic Prostate Carcinoma",
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 7,
      "start_date": "2016-06-14",
      "completion_date": "2020-09-27",
      "has_results": false,
      "last_update_posted_date": "2021-04-05",
      "last_synced_at": "2026-10-17T13:50:44.284Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Pasadena, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02853097"
    }
  ]
}