{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+sampling&page=7",
    "query": {
      "intervention": "Specimen sampling",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 317,
    "total_pages": 32,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+sampling&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+sampling&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T07:33:56.220Z",
  "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": "NCT03742154",
      "title": "Hollings Cancer Center Varenicline Sampling Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Smoking, Tobacco",
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Varenicline 0.5 MG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2018-12-03",
      "completion_date": "2020-04-06",
      "has_results": true,
      "last_update_posted_date": "2020-10-28",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03742154"
    },
    {
      "nct_id": "NCT00286611",
      "title": "Determination of Amifostine Levels During Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood and salivary sampling of amifostine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2004-10",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2008-06-10",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00286611"
    },
    {
      "nct_id": "NCT00839709",
      "title": "Peripheral Immunologic Response of Solid Organ Transplant Recipients to Depletion Versus Non-depletion Protocols",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Liver Disease",
        "Liver Transplantation"
      ],
      "interventions": [
        {
          "name": "blood sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-03",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2011-03-03",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00839709"
    },
    {
      "nct_id": "NCT06110494",
      "title": "A New Clinical Use of Ferumoxytol Nanoparticles: An Antibiofilm Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Apical Periodontitis",
        "Pulp Disease, Dental"
      ],
      "interventions": [
        {
          "name": "Iron oxide nanoparticles treatment Ferumoxytol/H2O2",
          "type": "DRUG"
        },
        {
          "name": "NaOCl",
          "type": "DRUG"
        },
        {
          "name": "NaCl",
          "type": "DRUG"
        },
        {
          "name": "supplementary irrigation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2020-07-13",
      "completion_date": "2022-03-10",
      "has_results": true,
      "last_update_posted_date": "2024-08-28",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06110494"
    },
    {
      "nct_id": "NCT00919269",
      "title": "Collecting and Storing Tissue, Blood, and Bone Marrow Samples From Patients With Rhabdomyosarcoma or Other Soft Tissue Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adult Rhabdomyosarcoma",
        "Childhood Desmoplastic Small Round Cell Tumor",
        "Chordoma",
        "Desmoid-Type Fibromatosis",
        "Metastatic Childhood Soft Tissue Sarcoma",
        "Non-Metastatic Childhood Soft Tissue Sarcoma",
        "Previously Treated Childhood Rhabdomyosarcoma",
        "Recurrent Adult Soft Tissue Sarcoma",
        "Recurrent Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Soft Tissue Sarcoma",
        "Rhabdomyosarcoma",
        "Stage I Adult Soft Tissue Sarcoma AJCC v7",
        "Stage II Adult Soft Tissue Sarcoma AJCC v7",
        "Stage III Adult Soft Tissue Sarcoma AJCC v7",
        "Stage IV Adult Soft Tissue Sarcoma AJCC v7",
        "Untreated Childhood Rhabdomyosarcoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "Up to 50 Years"
      },
      "enrollment_count": 150,
      "start_date": "1999-03-15",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-03",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 214,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 149 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919269"
    },
    {
      "nct_id": "NCT01155375",
      "title": "A Trial of Ferumoxytol for the Treatment of Iron Deficiency Anemia in Pediatric Participants With Chronic Kidney Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Iron Deficiency Anemia"
      ],
      "interventions": [
        {
          "name": "Ferumoxytol",
          "type": "DRUG"
        },
        {
          "name": "Oral Iron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AMAG Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 14,
      "start_date": "2011-10-17",
      "completion_date": "2014-06-24",
      "has_results": true,
      "last_update_posted_date": "2022-04-04",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01155375"
    },
    {
      "nct_id": "NCT03870022",
      "title": "Pivot Breath Sensor Performance Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Pivot Breath Sensor System",
          "type": "DEVICE"
        },
        {
          "name": "Similar Carbon Monoxide breath sensor system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jennifer Marler, MD",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 70,
      "start_date": "2019-03-01",
      "completion_date": "2019-04-18",
      "has_results": true,
      "last_update_posted_date": "2024-07-01",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03870022"
    },
    {
      "nct_id": "NCT02331212",
      "title": "Role of Hyaluronic Acid in Causing Cancer Stem Cell Growth in the Bones of Patients With Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Carcinoma Metastatic to the Bone",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 60 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2015-03",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2018-07-02",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02331212"
    },
    {
      "nct_id": "NCT01356030",
      "title": "Endoscopic Ultrasound Versus Endoscopic Retrograde Cholangiopancreatography (ERCP) Tissue Sampling for the Diagnosis of Suspected Pancreatico-Biliary Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pancreaticobiliary Cancers",
        "Jaundice",
        "Bile Duct Obstruction"
      ],
      "interventions": [
        {
          "name": "ERCP",
          "type": "PROCEDURE"
        },
        {
          "name": "EUS FNA",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "California Pacific Medical Center Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2011-05",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2013-07-09",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01356030"
    },
    {
      "nct_id": "NCT06587828",
      "title": "A Biospecimen Collection Study to Identify the Targets of Disease-Reactive T Cells in Patients With Autoimmune Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autoimmune Diseases",
        "Ulcerative Colitis",
        "Multiple Sclerosis",
        "Scleroderma",
        "Ankylosing Spondylitis",
        "Celiac Disease",
        "Non-radiographic Axial Spondyloarthritis (Nr-axSpA)",
        "Crohn&Amp;#39;s Disease",
        "Birdshot Chorioretinitis"
      ],
      "interventions": [
        {
          "name": "Companion blood samples with procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "TScan Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2023-01-03",
      "completion_date": "2026-09-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-31T07:33:56.220Z",
      "location_count": 11,
      "location_summary": "Orange, California • Sherman Oaks, California • Skokie, Illinois + 7 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sherman Oaks",
          "state": "California"
        },
        {
          "city": "Skokie",
          "state": "Illinois"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06587828"
    }
  ]
}