{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Urine+sample-+Sub-study+group",
    "query": {
      "intervention": "Urine sample- Sub-study group"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Urine+sample-+Sub-study+group&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T06:15:30.147Z",
  "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": "NCT03369821",
      "title": "EXtremely Early-onset Type 1 Diabetes EXtremely Early-onset Type 1 Diabetes (A Musketeers' Memorandum Study)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type1 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Beta Cell Loss and Immune Function",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Immune Function with RNAseq",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of Exeter",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "Up to 70 Years"
      },
      "enrollment_count": 300,
      "start_date": "2017-09-19",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03369821"
    },
    {
      "nct_id": "NCT05126901",
      "title": "Evaluate the Safety and Efficacy of Ferric Maltol Oral Suspension vs. Ferrous Sulfate Oral Liquid in Children and Adolescents Aged 2 to 17 Years With Iron-deficiency Anaemia, With a Single Arm Study in Infants Aged 1 Month to Less Than 2 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Iron-deficiency"
      ],
      "interventions": [
        {
          "name": "Ferric Maltol",
          "type": "DRUG"
        },
        {
          "name": "Ferrous sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shield Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Month to 17 Years"
      },
      "enrollment_count": 65,
      "start_date": "2021-11-03",
      "completion_date": "2024-06-09",
      "has_results": true,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 14,
      "location_summary": "Saraland, Alabama • Homestead, Florida • Kissimmee, Florida + 10 more",
      "locations": [
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Homestead",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05126901"
    },
    {
      "nct_id": "NCT04219540",
      "title": "Long-acting Buprenorphine vs. Naltrexone Opioid Treatments in CJS-involved Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "XR-B (SUBLOCADETM)",
          "type": "DRUG"
        },
        {
          "name": "XR-NTX",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 675,
      "start_date": "2021-01-07",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-05-14",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 6,
      "location_summary": "New Haven, Connecticut • Baltimore, Maryland • Hanover, New Hampshire + 3 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Hanover",
          "state": "New Hampshire"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04219540"
    },
    {
      "nct_id": "NCT01641692",
      "title": "A 3-period Crossover Study With GSK573719 as Monotherapy in Adult Subjects With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "GSK573719 Active treatment or Placebo",
          "type": "DRUG"
        },
        {
          "name": "GSK573719 (Sub-group cohort)",
          "type": "PROCEDURE"
        },
        {
          "name": "Salbutamol/Albuterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2012-05",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2017-03-09",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 12,
      "location_summary": "Newport Beach, California • Sunset, Louisiana • Bethesda, Maryland + 9 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Sunset",
          "state": "Louisiana"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Columbia",
          "state": "Missouri"
        },
        {
          "city": "Rolla",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01641692"
    },
    {
      "nct_id": "NCT03122964",
      "title": "Multi Institutional Study in Patient Presenting With Hematuria",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Cancer",
        "Hematuria"
      ],
      "interventions": [
        {
          "name": "AssureMDx",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "MDx Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 1148,
      "start_date": "2017-03-31",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2019-03-06",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03122964"
    },
    {
      "nct_id": "NCT04057742",
      "title": "AlloSure for the Monitoring of Antibody Mediated Processes After Kidney Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "AlloSure ddcfDNA assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "AlloMap assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Inflammatory Cytokines",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Immune Cell Phenotypes",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 52,
      "start_date": "2019-10-07",
      "completion_date": "2024-04-07",
      "has_results": false,
      "last_update_posted_date": "2024-09-03",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04057742"
    },
    {
      "nct_id": "NCT06521502",
      "title": "The APS Phenotyping Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ARDS",
        "Sepsis",
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "OTHER"
        },
        {
          "name": "Urine Collection",
          "type": "OTHER"
        },
        {
          "name": "Nasal, oral, and rectal swabs",
          "type": "OTHER"
        },
        {
          "name": "Stool collection",
          "type": "OTHER"
        },
        {
          "name": "Heat Moisture Exchange Filter collection",
          "type": "OTHER"
        },
        {
          "name": "Tracheal Aspirate sample collection",
          "type": "OTHER"
        },
        {
          "name": "Non-bronchoscopic bronchoalveolar lavage (NBBAL)",
          "type": "PROCEDURE"
        },
        {
          "name": "Surveys",
          "type": "OTHER"
        },
        {
          "name": "Short physical performance battery",
          "type": "OTHER"
        },
        {
          "name": "Hand grip strength",
          "type": "OTHER"
        },
        {
          "name": "CNS Vital Signs",
          "type": "OTHER"
        },
        {
          "name": "Muscle Ultrasound",
          "type": "OTHER"
        },
        {
          "name": "Muscle Strength",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "OTHER"
        },
        {
          "name": "Lung Diffusion Testing (DLCO)",
          "type": "OTHER"
        },
        {
          "name": "Chest CT Scan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2024-07-25",
      "completion_date": "2029-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 20,
      "location_summary": "Fresno, California • Palo Alto, California • San Francisco, California + 12 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06521502"
    },
    {
      "nct_id": "NCT02967315",
      "title": "Effects of Changes in Fluid Status on Right Ventricular Volumes and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tetralogy of Fallot"
      ],
      "interventions": [
        {
          "name": "Cardiac Magnetic Resonance Imaging (CMRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Central venous line placement",
          "type": "PROCEDURE"
        },
        {
          "name": "Chest X-ray",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluid administration",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Pregnancy test",
          "type": "PROCEDURE"
        },
        {
          "name": "Electrocardiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2014-06-06",
      "completion_date": "2021-03-18",
      "has_results": false,
      "last_update_posted_date": "2021-04-14",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02967315"
    },
    {
      "nct_id": "NCT04306939",
      "title": "Genomic Resources for Enhancing Available Therapies (GREAT1.0) Study",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pancreatitis",
        "Inflammatory Bowel Diseases",
        "Hepatitis",
        "NASH - Nonalcoholic Steatohepatitis",
        "Acute Pancreatitis",
        "Rheumatoid Arthritis",
        "Diabetes Mellitus",
        "Dyslipidemias",
        "Multiple Sclerosis",
        "Irritable Bowel Syndrome",
        "Chronic Pain",
        "Chronic Disease",
        "Chronic Kidney Diseases",
        "Crohn Disease",
        "Celiac Disease",
        "Biliary Cirrhosis",
        "Bile Acid Synthesis Defect",
        "Gastritis",
        "Cholecystitis",
        "Cholelithiases",
        "IPMN",
        "Cyst Pancreas",
        "Cystic Fibrosis",
        "Pancreatic Exocrine Insufficiency",
        "Diarrhea Chronic",
        "Constipation - Functional",
        "Constipation Chronic Idiopathic"
      ],
      "interventions": [
        {
          "name": "venipuncture",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Additional Sample Collections",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 120000,
      "start_date": "2014-11-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04306939"
    },
    {
      "nct_id": "NCT02381626",
      "title": "DRIIVE (Data and Research on Interventions to Improve the Vehicular Environment)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vehicular Environment"
      ],
      "interventions": [
        {
          "name": "HEPA air purifier",
          "type": "DEVICE"
        },
        {
          "name": "questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Log-book",
          "type": "OTHER"
        },
        {
          "name": "Urine sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "21 Years to 90 Years · Male only"
      },
      "enrollment_count": 39,
      "start_date": "2014-12",
      "completion_date": "2020-10-18",
      "has_results": true,
      "last_update_posted_date": "2021-10-05",
      "last_synced_at": "2026-09-11T06:15:30.147Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02381626"
    }
  ]
}