{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sample+Collection&page=4",
    "query": {
      "condition": "Sample Collection",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 269,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sample+Collection&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sample+Collection&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T05:25:05.763Z",
  "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": "NCT03269578",
      "title": "Sample Collection and Tracking for the Developmental Therapeutics Clinic",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms",
        "Lymphoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 3000,
      "start_date": "2017-08-28",
      "completion_date": "2027-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03269578"
    },
    {
      "nct_id": "NCT00340028",
      "title": "Hormonal Changes in Early Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 35 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2005-01-18",
      "completion_date": "2014-04-22",
      "has_results": false,
      "last_update_posted_date": "2025-01-01",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00340028"
    },
    {
      "nct_id": "NCT03460067",
      "title": "Omission of Radiation in Patients With Her-2 Positive Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HER2-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Omission of Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2018-02-23",
      "completion_date": "2027-07-16",
      "has_results": false,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03460067"
    },
    {
      "nct_id": "NCT00691639",
      "title": "Collection of Blood Specimens From Patients in AL-3789 Studies for Elevated Intraocular Pressure (IOP)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Open-Angle Glaucoma"
      ],
      "interventions": [
        {
          "name": "Blood Collection Only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2008-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-10-01",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00691639"
    },
    {
      "nct_id": "NCT04699695",
      "title": "A Prospective Sample Collection Study Using Non-invasive Methods to Investigate Biomarkers in AD Patients",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Biologic therapy versus no biologic therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "DermTech",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 500,
      "start_date": "2021-02-15",
      "completion_date": "2025-04-15",
      "has_results": false,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 2,
      "location_summary": "New York, New York • Rochester, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04699695"
    },
    {
      "nct_id": "NCT00870428",
      "title": "Predicitve Use of Spot Urine Protein/Creatinine Ratios in Preeclampsia",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preeclampsia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "MemorialCare",
      "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": 117,
      "start_date": "2009-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-03-27",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 1,
      "location_summary": "Long Beach, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00870428"
    },
    {
      "nct_id": "NCT06776367",
      "title": "Project REMOTE (REimagining Measurements and Operations of Translational Endpoints)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Remote study participation and self-collection of specimens",
          "type": "OTHER"
        },
        {
          "name": "Traditional clinical trial participation with clinician-collected specimens",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Biomedical Advanced Research and Development Authority",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1753,
      "start_date": "2024-12-20",
      "completion_date": "2026-08-19",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 16,
      "location_summary": "Vestavia Hills, Alabama • Mesa, Arizona • Fair Oaks, California + 12 more",
      "locations": [
        {
          "city": "Vestavia Hills",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Fair Oaks",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06776367"
    },
    {
      "nct_id": "NCT04145141",
      "title": "National Translational Science Network of Precision-based Immunotherapy for Primary Liver Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatocellular Carcinoma",
        "Liver Cancer",
        "Cholangiocarcinoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 132,
      "start_date": "2021-07-28",
      "completion_date": "2026-08-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 4,
      "location_summary": "Bethesda, Maryland • New York, New York • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04145141"
    },
    {
      "nct_id": "NCT00340353",
      "title": "Collection of Alveolar Soft Part Sarcoma and Blood Specimens for Research",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alveolar Soft Part Sarcoma",
        "Sarcoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 99999,
      "start_date": "2005-04-07",
      "completion_date": "2012-04-12",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00340353"
    },
    {
      "nct_id": "NCT06046651",
      "title": "Blood Specimen Collection For Laboratory Assay Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "General; Metabolic Disorder",
        "Sexual Dysfunction",
        "Hair Loss",
        "Pathology"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Roman Health Ventures Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2023-08-16",
      "completion_date": "2033-08-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-22T05:25:05.763Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06046651"
    }
  ]
}