{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+and+urine+collection",
    "query": {
      "intervention": "Blood and urine collection"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 408,
    "total_pages": 41,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+and+urine+collection&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T12:20:10.130Z",
  "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": "NCT03047616",
      "title": "A Pilot Study to Develop Predictive Biomarkers for the Response to Immunotherapy in Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Blood and Urine Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2016-11-22",
      "completion_date": "2019-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-19",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03047616"
    },
    {
      "nct_id": "NCT05053152",
      "title": "Testing the Addition of the Drug Relugolix to the Usual Radiation Therapy for Advanced-Stage Prostate Cancer, The NRG Promethean Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oligometastatic Prostate Carcinoma",
        "Prostate Adenocarcinoma",
        "Prostate Ductal Adenocarcinoma",
        "Prostate Intraductal Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluciclovine F18",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "PSMA PET Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Relugolix",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 194,
      "start_date": "2022-04-20",
      "completion_date": "2034-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 242,
      "location_summary": "Phoenix, Arizona • Berkeley, California • Beverly Hills, California + 192 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05053152"
    },
    {
      "nct_id": "NCT06100250",
      "title": "Zenyth: Motivational Interviewing-based Telehealth Intervention for Bacterial Sexually Transmitted Infection Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sexually Transmitted Diseases",
        "Gonorrhea",
        "Chlamydia",
        "Syphilis",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Motivational interviewing and specimen self-collection",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2024-04-19",
      "completion_date": "2025-03-07",
      "has_results": true,
      "last_update_posted_date": "2025-07-01",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06100250"
    },
    {
      "nct_id": "NCT05946213",
      "title": "Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With High Risk Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Adenocarcinoma",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IVA Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1209,
      "start_date": "2023-12-14",
      "completion_date": "2041-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 402,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Little Rock, Arkansas + 303 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Antioch",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05946213"
    },
    {
      "nct_id": "NCT02791568",
      "title": "Advanced MRI for Uteroplacental Flow, Perfusion, Oxygenation & Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy",
        "Obesity",
        "Preeclampsia"
      ],
      "interventions": [
        {
          "name": "Ultrasound Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Ferumoxytol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 121,
      "start_date": "2017-01-31",
      "completion_date": "2020-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 2,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02791568"
    },
    {
      "nct_id": "NCT01973140",
      "title": "Effects of Tolvaptan in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Tolvaptan",
          "type": "DRUG"
        },
        {
          "name": "Hypertonic saline infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "21 Years to 55 Years · Male only"
      },
      "enrollment_count": 17,
      "start_date": "2013-11",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-09-28",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01973140"
    },
    {
      "nct_id": "NCT04165343",
      "title": "Evaluation of Multi-Organ Metabolism and Perfusion in NAFLD by Total Body Dynamic PET Scan on EXPLORER",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-Alcoholic Fatty Liver Disease (NAFLD)",
        "Nonalcoholic Steatohepatitis (NASH)"
      ],
      "interventions": [
        {
          "name": "Positron Emission Tomography (PET) on EXPLORER",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram and Electrocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2019-11-01",
      "completion_date": "2023-05-11",
      "has_results": false,
      "last_update_posted_date": "2023-09-01",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04165343"
    },
    {
      "nct_id": "NCT05874726",
      "title": "Biological Sample Repository for Gastrointestinal Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Obesity, Morbid",
        "Obesity, Primary",
        "Gastro-Intestinal Disorder",
        "Overweight and Obesity",
        "Overweight",
        "Overweight or Obesity",
        "Diabetes Type 2",
        "Diabetes Mellitus",
        "Diabetes Mellitus, Type 2",
        "Hypertension",
        "Hyperlipidemias",
        "Sleep Apnea",
        "GERD",
        "Gastroesophageal Reflux",
        "Musculoskeletal Pain Disorder",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tissue Sample Collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Pichamol Jirapinyo, MD, MPH",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2023-07-19",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05874726"
    },
    {
      "nct_id": "NCT04051346",
      "title": "Dietary Oxalate and Innate Immunity in Kidney Stone Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Low Oxalate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Oxalate Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-03-05",
      "completion_date": "2025-05-01",
      "has_results": true,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04051346"
    },
    {
      "nct_id": "NCT03534934",
      "title": "CT-Based Modeling of Bone Micro-Architecture and Fracture-Risk in COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Vital signs",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine Pregnancy Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Blood Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Duel-energy X-ray absorptiometry scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Multi-detector computed tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Dual-energy X-ray absorptiometry scan",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Punam K Saha",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "45 Years to 90 Years"
      },
      "enrollment_count": 560,
      "start_date": "2019-02-26",
      "completion_date": "2025-03-19",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-09-27T12:20:10.130Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa • New York, New York",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03534934"
    }
  ]
}