{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sampling&page=3",
    "query": {
      "intervention": "Sampling",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 872,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sampling&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sampling&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T00:04:04.339Z",
  "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": "NCT04121689",
      "title": "Time Course of Postprandial Protein Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Protein Synthesis",
        "Protein Metabolism"
      ],
      "interventions": [
        {
          "name": "Milk Protein Concentrate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 7,
      "start_date": "2014-10-01",
      "completion_date": "2019-08-26",
      "has_results": false,
      "last_update_posted_date": "2019-10-10",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04121689"
    },
    {
      "nct_id": "NCT01909362",
      "title": "Biomarker Analysis for Patients With Metastatic Colorectal Cancer (MCC)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Neoplasms",
        "Advanced Metastatic Colorectal Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "US Oncology Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2013-07",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2014-02-26",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 1,
      "location_summary": "Incl Greenville, SC and Tyler, TX, Texas",
      "locations": [
        {
          "city": "Incl Greenville, SC and Tyler, TX",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01909362"
    },
    {
      "nct_id": "NCT05627596",
      "title": "Free Samples for Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Ask-Advise-Refer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Patch, 14 Mg/24 Hr Transdermal Film, Extended Release",
          "type": "DRUG"
        },
        {
          "name": "Nicotine lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Sandra Japuntich",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1239,
      "start_date": "2023-06-12",
      "completion_date": "2025-06-24",
      "has_results": true,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05627596"
    },
    {
      "nct_id": "NCT02474160",
      "title": "Collection and Storage of Tissue and Blood Samples From Patients With Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm",
        "Metastatic Malignant Solid Neoplasm",
        "Recurrent Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Cancer Institute LAO",
      "sponsor_class": "UNKNOWN",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Months and older"
      },
      "enrollment_count": 5000,
      "start_date": "2015-05-19",
      "completion_date": "2028-05-04",
      "has_results": false,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 140,
      "location_summary": "Birmingham, Alabama • Fort Smith, Arkansas • Arroyo Grande, California + 95 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Arroyo Grande",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02474160"
    },
    {
      "nct_id": "NCT00433173",
      "title": "Insulin Sensitivity in Men With the Metabolic Syndrome",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "intravenous glucose tolerance test",
          "type": "PROCEDURE"
        },
        {
          "name": "testosterone",
          "type": "DRUG"
        },
        {
          "name": "anastrozole",
          "type": "DRUG"
        },
        {
          "name": "goserelin acetate implant",
          "type": "DRUG"
        },
        {
          "name": "aerobic capacity (VO2 Max)",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "muscle biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "measurement of resting metabolic rate (energy expenditure)",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual energy x-ray absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Fasting oral glucose tolerance test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "50 Years to 75 Years · Male only"
      },
      "enrollment_count": 72,
      "start_date": "2006-05",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2010-03-02",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Boston, Massachusetts",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00433173"
    },
    {
      "nct_id": "NCT02979509",
      "title": "Evaluation of Diagnostic Yield of EUS-Guided Tissue Sampling",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastroenterology",
        "Lesions"
      ],
      "interventions": [
        {
          "name": "Endoscopic ultrasound- (EUS) guided tissue sampling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 54,
      "start_date": "2016-06",
      "completion_date": "2019-08-30",
      "has_results": false,
      "last_update_posted_date": "2020-01-06",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02979509"
    },
    {
      "nct_id": "NCT04309552",
      "title": "Tumor Hypoxia and Proliferation in Patients With High-Grade Glioma",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glioma"
      ],
      "interventions": [
        {
          "name": "18F-FMISO PET",
          "type": "DRUG"
        },
        {
          "name": "18F-FLT PET",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 8,
      "start_date": "2021-02-01",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04309552"
    },
    {
      "nct_id": "NCT01132755",
      "title": "Rapid Gastric and Pancreas Cancer Staging Utilizing Peritoneal Lavage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gastric Cancer",
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Diagnostic peritoneal lavage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2010-05",
      "completion_date": "2017-08-16",
      "has_results": true,
      "last_update_posted_date": "2019-06-14",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01132755"
    },
    {
      "nct_id": "NCT01810315",
      "title": "Influence of Reproductive Cycle and Menopause on HIV-1 Infection and TFV Gel Activity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "TFV 1% gel",
          "type": "DRUG"
        },
        {
          "name": "Estradiol vaginal cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CONRAD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 89 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2013-09",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-04-10",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01810315"
    },
    {
      "nct_id": "NCT01435174",
      "title": "Pharmacokinetics of Single-Dose Oral Ranolazine in Hemodialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "End-stage Renal Disease",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Ranolazine",
          "type": "DRUG"
        },
        {
          "name": "Pharmacokinetic Blood and Dialysate Sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "QT Interval",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 17,
      "start_date": "2011-10",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2017-10-16",
      "last_synced_at": "2026-10-31T00:04:04.339Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01435174"
    }
  ]
}