{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+and+urine+samples+collection&page=4",
    "query": {
      "intervention": "Blood and urine samples collection",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 158,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+and+urine+samples+collection&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+and+urine+samples+collection&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T17:00:56.131Z",
  "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": "NCT00898365",
      "title": "Study of Kidney Tumors in Younger Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adult Cystic Nephroma",
        "Anaplastic Kidney Wilms Tumor",
        "Angiolipoma",
        "Cellular Congenital Mesoblastic Nephroma",
        "Classic Congenital Mesoblastic Nephroma",
        "Clear Cell Sarcoma of the Kidney",
        "Congenital Mesoblastic Nephroma",
        "Cystic Partially Differentiated Kidney Nephroblastoma",
        "Diffuse Hyperplastic Perilobar Nephroblastomatosis",
        "Extrarenal Rhabdoid Tumor",
        "Kidney Medullary Carcinoma",
        "Kidney Neoplasm",
        "Kidney Oncocytoma",
        "Kidney Wilms Tumor",
        "Metanephric Adenofibroma",
        "Metanephric Adenoma",
        "Metanephric Stromal Tumor",
        "Metanephric Tumor",
        "Mixed Congenital Mesoblastic Nephroma",
        "Ossifying Renal Tumor of Infancy",
        "Papillary Renal Cell Carcinoma",
        "Renal Cell Carcinoma",
        "Renal Cell Carcinoma Associated With Xp11.2 Translocations/TFE3 Gene Fusions",
        "Rhabdoid Tumor of the Kidney",
        "Wilms Tumor"
      ],
      "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": "29 Years",
        "sex": "ALL",
        "summary": "Up to 29 Years"
      },
      "enrollment_count": 8000,
      "start_date": "2006-02-27",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 214,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 153 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898365"
    },
    {
      "nct_id": "NCT06449287",
      "title": "Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ketogenic Diet",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Diet",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ketone/Glucose Monitoring",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Body Composition",
          "type": "OTHER"
        },
        {
          "name": "Urine Analysis",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Neuropsychological Measures - ANAM",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 37,
      "start_date": "2018-07-05",
      "completion_date": "2019-08-21",
      "has_results": false,
      "last_update_posted_date": "2024-12-19",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06449287"
    },
    {
      "nct_id": "NCT05924295",
      "title": "Variations in Ketone Metabolism",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ketosis"
      ],
      "interventions": [
        {
          "name": "Ketone Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Beverage Tolerability Questionnaire (BTQ) and satiety visual analogue scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood Draw",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Urine Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "20 Years to 70 Years"
      },
      "enrollment_count": 400,
      "start_date": "2023-06-20",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 2,
      "location_summary": "Novato, California • Columbus, Ohio",
      "locations": [
        {
          "city": "Novato",
          "state": "California"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05924295"
    },
    {
      "nct_id": "NCT06205368",
      "title": "Evaluating the Effectiveness of a Mobile HIV Prevention App to Increase HIV and Sexually Transmitted Infections (STI) Testing and PrEP Initiation Among Rural Men Who Have Sex With Men",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "STI",
        "HIV Pre-exposure Prophylaxis"
      ],
      "interventions": [
        {
          "name": "Combine mobile app",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational interview",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HIV/STI testing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 473,
      "start_date": "2024-03-27",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06205368"
    },
    {
      "nct_id": "NCT01059474",
      "title": "Transdermal Absorption of Dimercaptopropane-1-Sulfonate (DMPS) and Effect on Urinary Mercury Excretion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Toxicity"
      ],
      "interventions": [
        {
          "name": "transdermal DMPS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Banner Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2010-04",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2011-06-22",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01059474"
    },
    {
      "nct_id": "NCT03868202",
      "title": "Follicle Stimulating Hormone (FSH) Glycosylation in Women: Effect of Estradiol",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Follicle Stimulating Hormone Glycosylation",
        "Urinary FSH21/FSH24 Ratio",
        "Estradiol Effect"
      ],
      "interventions": [
        {
          "name": "Estradiol Transdermal Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 55 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2019-07-03",
      "completion_date": "2020-01",
      "has_results": false,
      "last_update_posted_date": "2019-07-12",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03868202"
    },
    {
      "nct_id": "NCT04641351",
      "title": "Corticosteroid Meniscectomy Randomized Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Meniscus Tear",
        "Meniscus; Degeneration",
        "Synovitis"
      ],
      "interventions": [
        {
          "name": "Zilretta Injectable Product or Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2021-05-27",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Cleveland, Ohio",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04641351"
    },
    {
      "nct_id": "NCT05326815",
      "title": "A Comparison of Serum and Urine N-telopeptide Marker",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoporosis",
        "Fractures, Bone"
      ],
      "interventions": [
        {
          "name": "N-Telopeptide, Bone Marker",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 54,
      "start_date": "2022-06-23",
      "completion_date": "2023-10-27",
      "has_results": true,
      "last_update_posted_date": "2024-09-24",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05326815"
    },
    {
      "nct_id": "NCT03559101",
      "title": "Effects of Amino Acid/Electrolyte-based Beverages on Hydration Status",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dehydration"
      ],
      "interventions": [
        {
          "name": "Distilled water",
          "type": "OTHER"
        },
        {
          "name": "Medical Food 1",
          "type": "OTHER"
        },
        {
          "name": "Medical Food 2",
          "type": "OTHER"
        },
        {
          "name": "Pedialyte",
          "type": "OTHER"
        },
        {
          "name": "Gatorade",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "W. Larry Kenney",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 32,
      "start_date": "2017-05-25",
      "completion_date": "2017-12-18",
      "has_results": false,
      "last_update_posted_date": "2018-06-15",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03559101"
    },
    {
      "nct_id": "NCT02233478",
      "title": "Comparing the Effect of Whey and Soy Protein on the Absorption of Pomegranate Polyphenols in the Human Body",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Pomegranate Juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soybean Flour Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soy Isolate Protein",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "20 Years to 45 Years"
      },
      "enrollment_count": 18,
      "start_date": "2014-08",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2019-09-19",
      "last_synced_at": "2026-10-09T17:00:56.131Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02233478"
    }
  ]
}