{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+ketone+testing",
    "query": {
      "intervention": "Blood ketone testing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+ketone+testing&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T22:35:44.641Z",
  "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": "NCT04130724",
      "title": "Characterization of a Portable Solid-State Breath Acetone Testing Device for Real-Time Ketosis Status",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ketogenic Dieting",
        "Ketosis"
      ],
      "interventions": [
        {
          "name": "Blood ketone testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Breath ketone testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Readout, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2019-10-16",
      "completion_date": "2019-11-30",
      "has_results": false,
      "last_update_posted_date": "2019-12-17",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04130724"
    },
    {
      "nct_id": "NCT06373016",
      "title": "Use of Ketosis in Modulating Metabolic Pathways in Bipolar Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Bipolar Disorder Type 1"
      ],
      "interventions": [
        {
          "name": "Glucose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ketones",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 100,
      "start_date": "2024-01-26",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 3,
      "location_summary": "Belmont, Massachusetts • Charlestown, Massachusetts • Stony Brook, New York",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        },
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06373016"
    },
    {
      "nct_id": "NCT02676648",
      "title": "Web-Delivered Interventions for Blood Sugar Control for Individuals With Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Multicomponent online program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Breath meter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diet-appropriate foods and cookbooks",
          "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": 44,
      "start_date": "2016-02",
      "completion_date": "2017-11-15",
      "has_results": false,
      "last_update_posted_date": "2021-08-09",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02676648"
    },
    {
      "nct_id": "NCT06080932",
      "title": "Ketogenic Intervention in Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Ketosis"
      ],
      "interventions": [
        {
          "name": "Ketogenic Diet",
          "type": "OTHER"
        },
        {
          "name": "NIH Toolbox",
          "type": "OTHER"
        },
        {
          "name": "gradCPT",
          "type": "OTHER"
        },
        {
          "name": "Resting-state fMRI",
          "type": "OTHER"
        },
        {
          "name": "Task-fMRI",
          "type": "OTHER"
        },
        {
          "name": "CGM/CKM",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sleep Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Ketone/Glucose Monitoring",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Body Composition",
          "type": "OTHER"
        },
        {
          "name": "PHQ-9",
          "type": "BEHAVIORAL"
        },
        {
          "name": "WHO-5",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SKID",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "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": 30,
      "start_date": "2023-02-20",
      "completion_date": "2024-12-21",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06080932"
    },
    {
      "nct_id": "NCT04920058",
      "title": "Optimal Metabolic Health Through Continuous Glucose Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Continuous Glucose Monitor",
          "type": "DEVICE"
        },
        {
          "name": "<Active Comparator?>",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 66,
      "start_date": "2021-05-10",
      "completion_date": "2022-04-18",
      "has_results": false,
      "last_update_posted_date": "2022-11-15",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "Wesley Chapel, Florida",
      "locations": [
        {
          "city": "Wesley Chapel",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04920058"
    },
    {
      "nct_id": "NCT04236388",
      "title": "Short Term Ketone Supplementation and Cardiometabolic Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "Ketone drink",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo drink",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 11,
      "start_date": "2020-10-02",
      "completion_date": "2022-05-25",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "Blacksburg, Virginia",
      "locations": [
        {
          "city": "Blacksburg",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04236388"
    },
    {
      "nct_id": "NCT05519644",
      "title": "Strategies to Augment Ketosis: Ketone Conferred Resiliency Against Sleep Restriction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Deprivation"
      ],
      "interventions": [
        {
          "name": "Sleep Deprivation",
          "type": "OTHER"
        },
        {
          "name": "Heart Rate",
          "type": "OTHER"
        },
        {
          "name": "Sleep Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Diet",
          "type": "OTHER"
        },
        {
          "name": "Exercise Performance",
          "type": "OTHER"
        },
        {
          "name": "Surveys, McGill Pain Questionnaire, Shortened Profile of Mood States, Pittsburg Sleep Index",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive performance",
          "type": "OTHER"
        },
        {
          "name": "Marksmanship Performance",
          "type": "OTHER"
        },
        {
          "name": "Quick Board",
          "type": "OTHER"
        },
        {
          "name": "Advanced Medical Technologies Inc, Jump Test",
          "type": "OTHER"
        },
        {
          "name": "CGM/CKM",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ketone Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL",
        "BIOLOGICAL",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-06-20",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05519644"
    },
    {
      "nct_id": "NCT06391099",
      "title": "Ketogenic Dietary Intervention to Improve Response to Immunotherapy in Patients With Metastatic Melanoma and Metastatic Kidney Cancer",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Clinical Stage IV Cutaneous Melanoma AJCC v8",
        "Metastatic Cutaneous Melanoma",
        "Metastatic Renal Cell Carcinoma",
        "Stage IV Renal Cell Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dietary Intervention",
          "type": "OTHER"
        },
        {
          "name": "Educational Activity",
          "type": "OTHER"
        },
        {
          "name": "Glucose Measurement",
          "type": "OTHER"
        },
        {
          "name": "Ketone Measurement",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University Comprehensive 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": 60,
      "start_date": "2025-11-17",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06391099"
    },
    {
      "nct_id": "NCT06837571",
      "title": "Methadone Dose Monitoring With a Remote Medication Monitor",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Methadone Toxicity",
        "Methadone Overdose",
        "Pain, Chronic",
        "Drug Metabolism, Poor, CYP2D6-Related",
        "Metabolism Medication Toxicity"
      ],
      "interventions": [
        {
          "name": "Measurement of Methadone in the Interstitial Fluid (ISF) before and after prescribed dose taken ex vivo",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Measurement of Methadone in the Interstitial Fluid before and after prescribed dose taken in vivo",
          "type": "DRUG"
        },
        {
          "name": "ISF Extraction Device 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Cari Health Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-04-26",
      "completion_date": "2025-06",
      "has_results": false,
      "last_update_posted_date": "2025-02-20",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "Lemon Grove, California",
      "locations": [
        {
          "city": "Lemon Grove",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06837571"
    },
    {
      "nct_id": "NCT05981573",
      "title": "Assessment of Methadone Dose Taken",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Methadone Toxicity",
        "Methadone Overdose",
        "Pain, Chronic",
        "Drug Metabolism, Poor, CYP2D6-Related",
        "Metabolism Medication Toxicity"
      ],
      "interventions": [
        {
          "name": "Measurement of Methadone in the Interstitial Fluid (ISF) before and after prescribed dose taken ex vivo",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Measurement of Methadone in the Interstitial Fluid before and after prescribed dose taken in vivo",
          "type": "DRUG"
        },
        {
          "name": "ISF Extraction Device 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Cari Health Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-08-26",
      "completion_date": "2026-04",
      "has_results": false,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-09-05T22:35:44.641Z",
      "location_count": 1,
      "location_summary": "Lemon Grove, California",
      "locations": [
        {
          "city": "Lemon Grove",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05981573"
    }
  ]
}