{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ketone+ester&page=2",
    "query": {
      "intervention": "ketone ester",
      "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=ketone+ester&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T08:41:14.081Z",
  "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": "NCT05686083",
      "title": "Pharmacokinetics of Two Fatty Acid Ketone Esters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "C6 ketone di-ester",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Novel ketone di-ester",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "BHB Therapeutics, Ireland LTD",
      "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": 12,
      "start_date": "2023-01-30",
      "completion_date": "2023-03-31",
      "has_results": false,
      "last_update_posted_date": "2023-04-20",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05686083"
    },
    {
      "nct_id": "NCT05778695",
      "title": "Brain Small Chain Fatty Acid Metabolism in Parkinson Disease: Ketones",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Lewy Body Dementia",
        "Parkinson Disease Dementia"
      ],
      "interventions": [
        {
          "name": "Ketone Ester (R)-3-Hydroxybutyl (R)-3-Hydroxybutyrate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2023-03-09",
      "completion_date": "2023-10-04",
      "has_results": true,
      "last_update_posted_date": "2025-02-12",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05778695"
    },
    {
      "nct_id": "NCT07097506",
      "title": "Effect of Ketone Esters on Liver Fat Content and Metabolic Function",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "MASLD - Metabolic Dysfunction-Associated Steatotic Liver Disease",
        "Obesity",
        "Overweight (BMI > 25)"
      ],
      "interventions": [
        {
          "name": "bis-octanoyl (R)-1,3-butanediol (C8 ketone di-ester)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 40,
      "start_date": "2025-09-26",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07097506"
    },
    {
      "nct_id": "NCT05545501",
      "title": "Ketone Ester and Salt (KEAS) in Young Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Salt; Excess",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "No Salt, No β-OHB",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Salt, No β-OHB",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Salt, High β-OHB",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "19 Years to 39 Years"
      },
      "enrollment_count": 35,
      "start_date": "2023-03-24",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05545501"
    },
    {
      "nct_id": "NCT06108076",
      "title": "Acute and Chronic Effects of Oral Ketones in Subjects With HFrEF and Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Heart Failure, Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Ketone Monoester (KE)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-01-16",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06108076"
    },
    {
      "nct_id": "NCT05888506",
      "title": "Ketone Ester Supplementation and Nocturnal Blood Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases in Old Age",
        "Aging",
        "Cardiovascular Diseases",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Ketone Ester",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Georgia Southern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2023-08-01",
      "completion_date": "2023-10-03",
      "has_results": false,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "Savannah, Georgia",
      "locations": [
        {
          "city": "Savannah",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05888506"
    },
    {
      "nct_id": "NCT06954675",
      "title": "Comparison of Microbiome Changes in Healthy Adults Following Ketone Ester Consumption",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Microbiome Analysis"
      ],
      "interventions": [
        {
          "name": "Exogenous ketone ester",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 20,
      "start_date": "2025-11-21",
      "completion_date": "2026-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06954675"
    },
    {
      "nct_id": "NCT04421014",
      "title": "Ketone Ester Effects on Biomarkers of Brain Metabolism and Cognitive Performance in Cognitively Intact Adults 55 Years Old or Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome",
        "Normal Cognition"
      ],
      "interventions": [
        {
          "name": "Ketone Ester drink",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo: isocaloric dextrose drink",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2021-06-24",
      "completion_date": "2025-06-02",
      "has_results": true,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421014"
    },
    {
      "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": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05501366"
    },
    {
      "nct_id": "NCT04289454",
      "title": "Sensory Analysis and Taste Modulation of Ketone Esters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Flavor Perception in Normal, Healthy Adults"
      ],
      "interventions": [
        {
          "name": "Flavor additive",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Monell Chemical Senses Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 19,
      "start_date": "2020-08-30",
      "completion_date": "2021-06-04",
      "has_results": false,
      "last_update_posted_date": "2022-03-21",
      "last_synced_at": "2026-09-29T08:41:14.081Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04289454"
    }
  ]
}