{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=iohexol+GFR&page=2",
    "query": {
      "intervention": "iohexol GFR",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=iohexol+GFR&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T23:38:56.098Z",
  "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": "NCT01978314",
      "title": "FAST GFR: Pilot Study to Evaluate the Safety of the FAST GFR Test in Patients.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Acute Kidney Injury"
      ],
      "interventions": [
        {
          "name": "75 mg / 6 mL VFI™",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "FAST BioMedical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 33,
      "start_date": "2013-08",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2017-12-12",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01978314"
    },
    {
      "nct_id": "NCT01392313",
      "title": "Measurement of Renal Function With Iohexol in Subjects Ingesting Carnitine",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Carnitine Ingestion"
      ],
      "interventions": [
        {
          "name": "Carnitine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2010-05",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2018-07-23",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01392313"
    },
    {
      "nct_id": "NCT04074668",
      "title": "Control of Renal Oxygen Consumption, Mitochondrial Dysfunction, and Insulin Resistance",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Kidney Disease",
        "Type 1 Diabetes",
        "Diabetes",
        "Diabetes Mellitus",
        "Diabetes Complications",
        "Diabetic Nephropathies",
        "Type1diabetes",
        "Diabetes, Autoimmune",
        "Autoimmune Diabetes",
        "Juvenile Diabetes",
        "Type 1 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Aminohippurate Sodium Inj 20%",
          "type": "DRUG"
        },
        {
          "name": "Iohexol Inj 300 milligrams/milliliter (mg/ml)",
          "type": "DRUG"
        },
        {
          "name": "PET/CT Scan",
          "type": "RADIATION"
        },
        {
          "name": "Renal Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 58,
      "start_date": "2020-01-01",
      "completion_date": "2022-11-15",
      "has_results": false,
      "last_update_posted_date": "2023-02-09",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074668"
    },
    {
      "nct_id": "NCT07349797",
      "title": "MediBeacon® Transdermal GFR System for the Evaluation of Kidney Function in Adults With Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glomerular Filtration Rate",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Lumitrace",
          "type": "DEVICE"
        },
        {
          "name": "MediBeacon Transdermal Glomerular Filtration Rate Measurement System (tGFR)",
          "type": "DEVICE"
        },
        {
          "name": "Iohexol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "MediBeacon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2026-08-10",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07349797"
    },
    {
      "nct_id": "NCT03584217",
      "title": "Renal HEIR Study: Renal Hemodynamics, Energetics and Insulin Resistance in Youth Onset Type 2 Diabetes Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Obesity",
        "Nephropathy",
        "Adolescent Obesity"
      ],
      "interventions": [
        {
          "name": "Aminohippurate Sodium Inj 20%",
          "type": "DRUG"
        },
        {
          "name": "Iohexol Inj 300 MG/ML",
          "type": "DRUG"
        },
        {
          "name": "Renal Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 100,
      "start_date": "2018-10-01",
      "completion_date": "2023-10-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-15",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03584217"
    },
    {
      "nct_id": "NCT02276066",
      "title": "Kidney Response to Sepsis Affects Angiogenic Balance and Likelihood of CCI and PICS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "GFR by Iohexol",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood samples",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2015-02",
      "completion_date": "2023-05-20",
      "has_results": true,
      "last_update_posted_date": "2024-07-09",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02276066"
    },
    {
      "nct_id": "NCT04407481",
      "title": "PErfusioN, OxyGen ConsUmptIon and ENergetics in ADPKD (PENGUIN)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Polycystic Kidney Disease, Adult",
        "Polycystic Kidney, Autosomal Dominant"
      ],
      "interventions": [
        {
          "name": "Aminohippurate Sodium Inj 20%",
          "type": "DRUG"
        },
        {
          "name": "Iohexol Inj 300 milligrams per milliliter (MG/ML)",
          "type": "DRUG"
        },
        {
          "name": "PET/CT Scan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 22,
      "start_date": "2020-11-01",
      "completion_date": "2022-10-13",
      "has_results": false,
      "last_update_posted_date": "2023-02-03",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04407481"
    },
    {
      "nct_id": "NCT05530356",
      "title": "Renal Hemodynamics, Energetics and Insulin Resistance: A Follow-up Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 2 Diabetes",
        "Diabetes Type 2",
        "Diabetic Nephropathies",
        "Nephropathy",
        "Obesity",
        "Adolescent Obesity",
        "Diabetic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Aminohippurate Sodium Inj 20%",
          "type": "DRUG"
        },
        {
          "name": "Iohexol Inj 300 MG/ML",
          "type": "DRUG"
        },
        {
          "name": "Dextran 40",
          "type": "DRUG"
        },
        {
          "name": "Renal Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "12 Years to 26 Years"
      },
      "enrollment_count": 57,
      "start_date": "2022-09-30",
      "completion_date": "2024-06-19",
      "has_results": true,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05530356"
    },
    {
      "nct_id": "NCT07809919",
      "title": "A First-in-human, Safety, Tolerability, and Pharmacokinetics Study of LXE408 in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Visceral Leishmaniasis",
        "Chagas Disease"
      ],
      "interventions": [
        {
          "name": "LXE408",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Iohexol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 88,
      "start_date": "2018-12-21",
      "completion_date": "2021-09-27",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07809919"
    },
    {
      "nct_id": "NCT05777174",
      "title": "Study of MB-102 (Relmapirazin) and the Use of the MediBeacon® Transdermal GFR Measurement System Using the TGFR Reusable Sensor With Disposable Adhesive Ring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Kidney Diseases",
        "Kidney Injury",
        "Kidney Failure"
      ],
      "interventions": [
        {
          "name": "MB-102",
          "type": "DRUG"
        },
        {
          "name": "MediBeacon Transdermal Glomerular Filtration Rate Measurement System (TGFR)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "MediBeacon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 149,
      "start_date": "2023-03-20",
      "completion_date": "2024-04-15",
      "has_results": true,
      "last_update_posted_date": "2025-03-28",
      "last_synced_at": "2026-09-28T23:38:56.098Z",
      "location_count": 5,
      "location_summary": "Chicago, Illinois • Columbus, Ohio • Austin, Texas + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05777174"
    }
  ]
}