{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Biological+Specimens&page=2",
    "query": {
      "condition": "Biological Specimens",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Biological+Specimens&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T01:00:45.183Z",
  "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": "NCT06369441",
      "title": "Collection of Biological Specimens and Associated Health Information",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Other Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ovation.io, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2024-04",
      "completion_date": "2034-04",
      "has_results": false,
      "last_update_posted_date": "2024-04-17",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06369441"
    },
    {
      "nct_id": "NCT00025831",
      "title": "Biological Specimen Collection for Laboratory Methods Development and Training Purposes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2001-10",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00025831"
    },
    {
      "nct_id": "NCT00995891",
      "title": "Collection of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers for Center for Human Immunology, Autoimmunity, and Inflammatory Diseases (CHI) Laboratory Research Studies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2009-09-09",
      "completion_date": "2018-09-05",
      "has_results": false,
      "last_update_posted_date": "2019-12-05",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00995891"
    },
    {
      "nct_id": "NCT01281995",
      "title": "Effects of Systemically Administered Hydrocortisone on the Immune System in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immunosuppression",
        "Healthy",
        "Healthy Subjects"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 22,
      "start_date": "2011-01-21",
      "completion_date": "2018-08-30",
      "has_results": false,
      "last_update_posted_date": "2018-09-04",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01281995"
    },
    {
      "nct_id": "NCT00995527",
      "title": "Characterization of the Innate Immune Response in Healthy NIH Employees at Baseline and After Immunization With the H1N1 Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2009-09-30",
      "completion_date": "2014-06-25",
      "has_results": false,
      "last_update_posted_date": "2017-10-06",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00995527"
    },
    {
      "nct_id": "NCT00472589",
      "title": "A Biological Sample Collection Protocol of Women With and Without Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hoosier Cancer Research Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 400,
      "start_date": "2007-05",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2016-08-23",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 11,
      "location_summary": "Galesburg, Illinois • Bloomington, Indiana • Evansville, Indiana + 6 more",
      "locations": [
        {
          "city": "Galesburg",
          "state": "Illinois"
        },
        {
          "city": "Bloomington",
          "state": "Indiana"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00472589"
    },
    {
      "nct_id": "NCT01578317",
      "title": "Immune Responses to H5N1 Vaccine With and Without AS03 Adjuvant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "H5N1 vaccine plus AS03 adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "H5N1 vaccine without adjuvant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 43,
      "start_date": "2012-03-20",
      "completion_date": "2016-01-31",
      "has_results": true,
      "last_update_posted_date": "2019-02-26",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01578317"
    },
    {
      "nct_id": "NCT00067054",
      "title": "Apheresis and Specimen Collection Procedures to Obtain Plasma, Peripheral Blood Mononuclear Cells (PBMCs) and Other Specimens for Research Studies",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sample Collection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 3000,
      "start_date": "2003-09-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Kirkland, Washington",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Kirkland",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00067054"
    },
    {
      "nct_id": "NCT01180387",
      "title": "Reproductive Medicine Network Biologic Specimen Repository",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1640,
      "start_date": "2010-09",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-03-04",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Stanford, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01180387"
    },
    {
      "nct_id": "NCT00299481",
      "title": "Tissue Bank of Biological Specimens From Patients With Gynecologic Disease",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Neoplasms",
        "Uterine Cervical Neoplasms",
        "Ovarian Neoplasms",
        "Leiomyoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 7000,
      "start_date": "2006-03",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2008-06-30",
      "last_synced_at": "2026-07-24T01:00:45.183Z",
      "location_count": 7,
      "location_summary": "Washington D.C., District of Columbia • Detroit, Michigan • Durham, North Carolina + 3 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00299481"
    }
  ]
}