{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Breath+ketone+testing",
    "query": {
      "intervention": "Breath ketone testing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T03:06:12.024Z",
  "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": "2026-09-12T03:06:12.024Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04130724"
    },
    {
      "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": "2026-09-12T03:06:12.024Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02676648"
    },
    {
      "nct_id": "NCT05541484",
      "title": "Ketone Monitoring in T1D: Effect of SGLT2i During Usual Care and With Insulin Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "SGLT2 inhibitor",
          "type": "DRUG"
        },
        {
          "name": "Biosense Breath Ketone Analyzer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 21,
      "start_date": "2022-10-14",
      "completion_date": "2023-12-23",
      "has_results": true,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-09-12T03:06:12.024Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05541484"
    },
    {
      "nct_id": "NCT05501366",
      "title": "Strategies to Augment Ketosis: Optimization of Ketone Delivery Strategies",
      "overall_status": "ACTIVE_NOT_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": "Breath Reading",
          "type": "OTHER"
        },
        {
          "name": "Heart Rate Variability",
          "type": "OTHER"
        },
        {
          "name": "CGM/CKM",
          "type": "OTHER"
        },
        {
          "name": "DXA",
          "type": "RADIATION"
        },
        {
          "name": "Urine Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "20 Years to 30 Years · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2023-06-05",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-09-12T03:06:12.024Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05501366"
    }
  ]
}