{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Samples+for+Biomarkers&page=5",
    "query": {
      "intervention": "Blood Samples for Biomarkers",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 1293,
    "total_pages": 130,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Samples+for+Biomarkers&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Samples+for+Biomarkers&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T14:21:51.792Z",
  "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": "NCT00003204",
      "title": "Combination Chemotherapy With or Without Monoclonal Antibody Therapy in Treating Patients With Stage III or Stage IV Low-Grade Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stage III Grade 1 Follicular Lymphoma",
        "Stage III Grade 2 Follicular Lymphoma",
        "Stage III Grade 3 Follicular Lymphoma",
        "Stage III Small Lymphocytic Lymphoma",
        "Stage IV Grade 1 Follicular Lymphoma",
        "Stage IV Grade 2 Follicular Lymphoma",
        "Stage IV Grade 3 Follicular Lymphoma",
        "Stage IV Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "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": 515,
      "start_date": "1998-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-27",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003204"
    },
    {
      "nct_id": "NCT01897441",
      "title": "Chemotherapy Before Surgery and Tissue Sample Collection in Patients With Stage IIA-IIIC Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Endocrine therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2013-06",
      "completion_date": "2023-10-25",
      "has_results": true,
      "last_update_posted_date": "2024-12-24",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01897441"
    },
    {
      "nct_id": "NCT04632992",
      "title": "A Study Evaluating Targeted Therapies in Participants Who Have Advanced Solid Tumors With Genomic Alterations or Protein Expression Patterns Predictive of Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Unresectable or Metastatic Solid Malignancy"
      ],
      "interventions": [
        {
          "name": "Entrectinib",
          "type": "DRUG"
        },
        {
          "name": "Inavolisib",
          "type": "DRUG"
        },
        {
          "name": "Alectinib",
          "type": "DRUG"
        },
        {
          "name": "Ipatasertib",
          "type": "DRUG"
        },
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab Emtansine",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf",
          "type": "DRUG"
        },
        {
          "name": "Tucatinib",
          "type": "DRUG"
        },
        {
          "name": "Investigator's Choice of Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Tiragolumab",
          "type": "DRUG"
        },
        {
          "name": "Pralsetinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 252,
      "start_date": "2021-01-13",
      "completion_date": "2024-02-27",
      "has_results": true,
      "last_update_posted_date": "2025-01-08",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 38,
      "location_summary": "Anchorage, Alaska • Oro Valley, Arizona • Hot Springs, Arkansas + 33 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Oro Valley",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04632992"
    },
    {
      "nct_id": "NCT01471106",
      "title": "Phase II Short-term Adjuvant Therapy and Biomarker Studies With Targeted Agents in Women With Estrogen Receptor Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Dasatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "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": 26,
      "start_date": "2014-01-21",
      "completion_date": "2024-05-30",
      "has_results": true,
      "last_update_posted_date": "2024-07-10",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Houston, Texas",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01471106"
    },
    {
      "nct_id": "NCT03784898",
      "title": "Collection of Blood Samples From Patients With Relapsing MS Who Developed ITP After Receiving Lemtrada",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Blood draw for future biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2019-02-08",
      "completion_date": "2019-12-11",
      "has_results": true,
      "last_update_posted_date": "2022-03-28",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03784898"
    },
    {
      "nct_id": "NCT00847171",
      "title": "Trastuzumab, Cyclophosphamide, and Vaccine Therapy in Treating Patients With High-Risk or Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "allogeneic GM-CSF-secreting breast cancer vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 20,
      "start_date": "2008-12",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2018-09-26",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00847171"
    },
    {
      "nct_id": "NCT00110071",
      "title": "Iodine I 131 Tositumomab and Fludarabine Phosphate in Treating Older Patients Who Are Undergoing an Autologous or Syngeneic Stem Cell Transplant for Relapsed or Refractory Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Nodal Marginal Zone B-cell Lymphoma",
        "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 Immunoblastic Large Cell Lymphoma",
        "Recurrent Adult Lymphoblastic Lymphoma",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "Waldenström Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "iodine I 131 tositumomab",
          "type": "RADIATION"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2005-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-08-06",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00110071"
    },
    {
      "nct_id": "NCT02227199",
      "title": "Brentuximab Vedotin, Ifosfamide, Carboplatin, and Etoposide in Treating Patients With Relapsed or Refractory Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Hodgkin Lymphoma",
        "Refractory Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Brentuximab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2014-10-10",
      "completion_date": "2025-07-28",
      "has_results": true,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02227199"
    },
    {
      "nct_id": "NCT01642121",
      "title": "Studying Biomarkers in Samples From Younger Patients With Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Acute Monoblastic Leukemia (M5a)",
        "Childhood Acute Monocytic Leukemia (M5b)",
        "Childhood Acute Myeloblastic Leukemia Without Maturation (M1)",
        "Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies",
        "Childhood Acute Myelomonocytic Leukemia (M4)"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2012-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-05-19",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 1,
      "location_summary": "Monrovia, California",
      "locations": [
        {
          "city": "Monrovia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01642121"
    },
    {
      "nct_id": "NCT02483000",
      "title": "Anti-CD20 Radioimmunotherapy Before Chemotherapy and Stem Cell Transplant in Treating Patients With High-Risk B-Cell Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Burkitt Lymphoma",
        "CD20-Positive Neoplastic Cells Present",
        "Diffuse Large B-Cell Lymphoma",
        "Indolent Non-Hodgkin Lymphoma",
        "Mantle Cell Lymphoma",
        "Recurrent B-Cell Non-Hodgkin Lymphoma",
        "Refractory Mature B-Cell Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Anti-CD20 B9E9 scFv-Streptavidin Fusion Protein",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Autologous Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Carmustine",
          "type": "DRUG"
        },
        {
          "name": "Clearing Agent",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Indium In 111-DOTA-Biotin",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Yttrium Y 90-DOTA-Biotin",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson 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": "2017-02-01",
      "completion_date": "2020-09-02",
      "has_results": true,
      "last_update_posted_date": "2020-11-23",
      "last_synced_at": "2026-10-06T14:21:51.792Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02483000"
    }
  ]
}