{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=15",
    "query": {
      "intervention": "sample collection",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 3664,
    "total_pages": 367,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T02:38:59.946Z",
  "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": "NCT03752528",
      "title": "Evaluation of Long-term Buprenorphine Plasma Exposure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Blood sample collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine sample collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Indivior Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 53,
      "start_date": "2019-02-19",
      "completion_date": "2019-07-18",
      "has_results": true,
      "last_update_posted_date": "2020-08-21",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 11,
      "location_summary": "Hamilton, Alabama • Tampa, Florida • Prairie Village, Kansas + 7 more",
      "locations": [
        {
          "city": "Hamilton",
          "state": "Alabama"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Prairie Village",
          "state": "Kansas"
        },
        {
          "city": "Watertown",
          "state": "Massachusetts"
        },
        {
          "city": "Berlin",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03752528"
    },
    {
      "nct_id": "NCT01092611",
      "title": "Long-term Follow-up of Participants From Studies Evaluating GSK HIV Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "AIDS"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "PROCEDURE"
        },
        {
          "name": "GSK HIV vaccine 732462",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 190,
      "start_date": "2010-03-22",
      "completion_date": "2014-05-19",
      "has_results": false,
      "last_update_posted_date": "2018-03-02",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 11,
      "location_summary": "Bakersfield, California • Fort Lauderdale, Florida • Orlando, Florida + 7 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01092611"
    },
    {
      "nct_id": "NCT06222164",
      "title": "The Use of Residual De-identified Specimens and/or Samples From Patients for Clinical Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematologic Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Invivoscribe, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2024-03-30",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06222164"
    },
    {
      "nct_id": "NCT04709081",
      "title": "A Drug Interaction Study of ACH-0145228",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "ACH-0145228",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Digoxin",
          "type": "DRUG"
        },
        {
          "name": "Itraconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 38,
      "start_date": "2019-12-22",
      "completion_date": "2020-04-16",
      "has_results": false,
      "last_update_posted_date": "2021-01-14",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04709081"
    },
    {
      "nct_id": "NCT04981119",
      "title": "Solid Tumor Analysis for HLA Loss of Heterozygosity (LOH) and Apheresis for CAR T- Cell Manufacturing",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Solid Tumor, Adult",
        "Colorectal Cancer",
        "Non Small Cell Lung Cancer",
        "Pancreatic Cancer",
        "CRC",
        "NSCLC",
        "Pancreas Cancer",
        "Mesothelioma",
        "Ovarian Cancer",
        "Ovarian Neoplasms",
        "Ovarian Carcinoma",
        "Mesothelioma, Malignant",
        "Mesothelioma; Lung",
        "Cancer",
        "Triple Negative Breast Cancer (TNBC)",
        "Renal Cell Carcinoma (Kidney Cancer)",
        "Head and Neck Squamous Cell Carcinoma HNSCC"
      ],
      "interventions": [
        {
          "name": "Apheresis",
          "type": "OTHER"
        },
        {
          "name": "Next Generation Sequencing (NGS)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Long Range NGS HLA typing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "A2 Biotherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2021-10-29",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 16,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • Duarte, California + 13 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04981119"
    },
    {
      "nct_id": "NCT04880044",
      "title": "Detection of Barrett s Esophagus in Patients Without GERD Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett's Esophagus"
      ],
      "interventions": [
        {
          "name": "EsoCheck/EsoGuard (EC/EG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Esophago-gastro-duodenoscopy (EGD)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2022-01-05",
      "completion_date": "2025-02-25",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04880044"
    },
    {
      "nct_id": "NCT04693546",
      "title": "Protocol to Validate the Performance of the LifeKit® Prevent Colorectal Neoplasia Test for CRC Screening",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Colorectal Adenoma"
      ],
      "interventions": [
        {
          "name": "LifeKit Prevent Colorectal Neoplasia Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "FIT Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Metabiomics Corp",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 12000,
      "start_date": "2026-03-01",
      "completion_date": "2028-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-26",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 1,
      "location_summary": "Carlsbad, California",
      "locations": [
        {
          "city": "Carlsbad",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04693546"
    },
    {
      "nct_id": "NCT00425386",
      "title": "Sunitinib and Erlotinib in Treating Patients With Unresectable or Metastatic Kidney Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Cancer"
      ],
      "interventions": [
        {
          "name": "erlotinib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "sunitinib malate",
          "type": "DRUG"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2006-08",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2017-05-03",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Portland, Oregon • Salem, Oregon",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Salem",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00425386"
    },
    {
      "nct_id": "NCT01585805",
      "title": "Gemcitabine Hydrochloride and Cisplatin With or Without Veliparib or Veliparib Alone in Treating Patients With Locally Advanced or Metastatic Pancreatic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Pancreatic Adenocarcinoma",
        "Metastatic Pancreatic Adenocarcinoma",
        "Stage III Pancreatic Cancer AJCC v8",
        "Stage IV Pancreatic Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Veliparib",
          "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": 83,
      "start_date": "2012-05-15",
      "completion_date": "2027-03-09",
      "has_results": true,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 9,
      "location_summary": "Chicago, Illinois • Harvey, Illinois • Ann Arbor, Michigan + 6 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Harvey",
          "state": "Illinois"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01585805"
    },
    {
      "nct_id": "NCT06074133",
      "title": "A Combined Biomarker Model for Risk Stratification of Indeterminate Pulmonary Nodules",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Nodule"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Chest Computed Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 103,
      "start_date": "2024-03-07",
      "completion_date": "2029-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-10-23T02:38:59.946Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Nashville, Tennessee",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06074133"
    }
  ]
}