{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=29",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-11T08:32:55.414Z",
  "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": "NCT00047996",
      "title": "Blood Collection for Research Related to Certain Diseases Involving Blood Vessels",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 2000,
      "start_date": "2002-11-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Fairfax, Virginia",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00047996"
    },
    {
      "nct_id": "NCT06390826",
      "title": "Testing Sunitinib as Potentially Targeted Treatment in Cancers With cKIT Genetic Changes (MATCH - Subprotocol V)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Lymphoma",
        "Advanced Malignant Solid Neoplasm",
        "Refractory Lymphoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Radionuclide Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Sunitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "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": 10,
      "start_date": "2016-11-01",
      "completion_date": "2027-01-15",
      "has_results": true,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06390826"
    },
    {
      "nct_id": "NCT03407378",
      "title": "A Study to Investigate a New Treatment in Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "IPT803",
          "type": "DRUG"
        },
        {
          "name": "Optional pharmacogenetic assessment",
          "type": "GENETIC"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Optional Blood-Oxygen-level Dependent functionalMRI",
          "type": "OTHER"
        },
        {
          "name": "Motor Assessments before taking regular PD treatment",
          "type": "OTHER"
        },
        {
          "name": "Motor Assessments on regular PD treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Tools4Patient",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2018-06-26",
      "completion_date": "2020-03-31",
      "has_results": false,
      "last_update_posted_date": "2020-06-16",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 5,
      "location_summary": "Aurora, Colorado • Gainesville, Florida • Chicago, Illinois + 2 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "West Bloomfield",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03407378"
    },
    {
      "nct_id": "NCT04708418",
      "title": "A Study Evaluating Whether Pembrolizumab Alone or in Combination With CMP-001 Improves Efficacy of Treatment in Patients With Operable Melanoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clinical Stage III Cutaneous Melanoma AJCC v8",
        "Melanoma of Unknown Primary",
        "Recurrent Cutaneous Melanoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "VLP-encapsulated TLR9 Agonist CMP-001",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "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": 60,
      "start_date": "2021-10-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 187,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Tucson, Arizona + 134 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04708418"
    },
    {
      "nct_id": "NCT05687110",
      "title": "Studying the Safety and Determining the Optimal Dose of Novobiocin in Patients With Tumors That Have Alterations in DNA Repair Genes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Malignant Solid Neoplasm",
        "Unresectable Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Diagnostic Imaging Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Novobiocin Sodium",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 43,
      "start_date": "2023-07-06",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 22,
      "location_summary": "Duarte, California • Irvine, California • La Jolla, California + 14 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05687110"
    },
    {
      "nct_id": "NCT05828082",
      "title": "Testing the Effect of M1774 on Hard-to-Treat Refractory SPOP-mutant Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration-Resistant Prostate Carcinoma",
        "Metastatic Castration-Resistant Prostate Carcinoma",
        "Refractory Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Tuvusertib",
          "type": "DRUG"
        },
        {
          "name": "Ultrasound Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2023-10-16",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Orange, California • Aventura, Florida + 19 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Deerfield Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05828082"
    },
    {
      "nct_id": "NCT04428723",
      "title": "Mechanisms of Hypoglycemia in Patients Without Diabetes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoglycemia"
      ],
      "interventions": [
        {
          "name": "Entry of demographic and medical history data into a deidentified database",
          "type": "OTHER"
        },
        {
          "name": "Blood sample for DNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "Stool sample for microbiome analysis",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Mixed meal tolerance test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Continuous glucose monitoring",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "activity monitor",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Joslin Diabetes Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 33,
      "start_date": "2020-08-11",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04428723"
    },
    {
      "nct_id": "NCT01000558",
      "title": "SWOG-8947 Collecting and Storing Blood Samples From Patients With Previously Untreated Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 939,
      "start_date": "2005-03",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2013-05-20",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 203,
      "location_summary": "Mobile, Alabama • Anchorage, Alaska • Fort Smith, Arkansas + 137 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01000558"
    },
    {
      "nct_id": "NCT04156126",
      "title": "Measuring Immune Tolerance to Predict Miscarriage or Failed Embryo Transfer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility",
        "Pregnancy Loss",
        "Spontaneous Abortion"
      ],
      "interventions": [
        {
          "name": "Blood Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": 56,
      "start_date": "2019-08-23",
      "completion_date": "2024-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-25",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04156126"
    },
    {
      "nct_id": "NCT05672615",
      "title": "Mood Alterations in the Patients With Non-Muscle Invasive Bladder Cancer Treated With BCG",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-Muscle Invasive Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Daily Mood Diaries",
          "type": "OTHER"
        },
        {
          "name": "Urine Specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Research Blood Draw",
          "type": "OTHER"
        },
        {
          "name": "Utilize excess tissue from a standard of care procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2023-03-21",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-11-04",
      "last_synced_at": "2026-11-11T08:32:55.414Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05672615"
    }
  ]
}