{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sample+Collection&page=3",
    "query": {
      "condition": "Sample Collection",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 269,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sample+Collection&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sample+Collection&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T05:25:05.213Z",
  "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": "NCT04510129",
      "title": "A Multicenter Cancer Biospecimen Collection Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer of Head and Neck",
        "Lung Cancer, Nonsmall Cell",
        "Small-cell Lung Cancer",
        "Urothelial Carcinoma",
        "Gastroesophageal Junction Adenocarcinoma",
        "Cervical Cancer",
        "Esophageal Squamous Cell Carcinoma",
        "Triple Negative Breast Cancer",
        "Hepatocellular Carcinoma",
        "Renal Cell Carcinoma",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "OncoPrism™ assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Cofactor Genomics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1650,
      "start_date": "2020-02-05",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2025-03-12",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04510129"
    },
    {
      "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": "2026-10-22T05:25:05.213Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06369441"
    },
    {
      "nct_id": "NCT03895320",
      "title": "Protecting Our Future Generation: Promotion of Protective Sexual Health Practices Among Native American Youth and Young Adults Through an Assets-based Self-care Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sexual Behavior",
        "Unprotected Sex",
        "Gonorrhea",
        "Chlamydia",
        "Trichomonas",
        "Sexually Transmitted Diseases",
        "Adolescent Behavior",
        "Self Evaluation"
      ],
      "interventions": [
        {
          "name": "Sexual Health Risk Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sexual Health Score",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sexual Health Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Water SSB Quiz",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Water SSB Score",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Water SSB Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "STI Screening",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "14 Years to 26 Years"
      },
      "enrollment_count": 219,
      "start_date": "2019-03-01",
      "completion_date": "2022-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-23",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "location_count": 1,
      "location_summary": "Whiteriver, Arizona",
      "locations": [
        {
          "city": "Whiteriver",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03895320"
    },
    {
      "nct_id": "NCT00001884",
      "title": "Specimen Collection for Individuals With Lung Disease Associated With Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Fibrosis",
        "Rheumatoid Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1999-03-21",
      "completion_date": "2007-12-28",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001884"
    },
    {
      "nct_id": "NCT00819143",
      "title": "Collection of Blood and Bone Marrow Samples From Select Patients With CML to Measure Minimal Residual Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia"
      ],
      "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": 3,
      "start_date": "2008-12-29",
      "completion_date": "2011-07-13",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00819143"
    },
    {
      "nct_id": "NCT00507325",
      "title": "Sample Collection From Melanoma Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Blood Sample",
          "type": "PROCEDURE"
        },
        {
          "name": "Tumor Sample",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 131,
      "start_date": "2006-06-13",
      "completion_date": "2022-08-01",
      "has_results": false,
      "last_update_posted_date": "2022-09-02",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00507325"
    },
    {
      "nct_id": "NCT01336855",
      "title": "Collection of Blood for Multiple Collaborative Studies",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "1988-01",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01336855"
    },
    {
      "nct_id": "NCT01087307",
      "title": "Sample Collection Registry for Quality Control of Biological and Environmental Specimens and Assay Development and Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Exposure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5326,
      "start_date": "2010-03-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "location_count": 1,
      "location_summary": "Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01087307"
    },
    {
      "nct_id": "NCT00802607",
      "title": "Collection of Tissue Specimens for Analysis and Establishment of Cell Cultures",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bone Diseases",
        "Connective Tissue Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Dental and Craniofacial Research (NIDCR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 50,
      "start_date": "2008-12-02",
      "completion_date": "2010-10-04",
      "has_results": false,
      "last_update_posted_date": "2025-10-02",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "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/NCT00802607"
    },
    {
      "nct_id": "NCT03688906",
      "title": "AI-EMERGE: Development and Validation of a Multi-analyte, Blood-based Colorectal Cancer Screening Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colo-rectal Cancer",
        "Cancer Colon",
        "Cancer, Rectum",
        "Neoplasms,Colorectal",
        "Polyps",
        "Polyp of Colon",
        "Adenoma",
        "Adenoma Colon"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Freenome Holdings Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3275,
      "start_date": "2018-01-12",
      "completion_date": "2019-11-25",
      "has_results": false,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-10-22T05:25:05.213Z",
      "location_count": 29,
      "location_summary": "Huntsville, Alabama • Chandler, Arizona • Tucson, Arizona + 25 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03688906"
    }
  ]
}