{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CoQ10+Placebo&page=2",
    "query": {
      "intervention": "CoQ10 Placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CoQ10+Placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CoQ10+Placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T13:12:43.506Z",
  "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": "NCT07271316",
      "title": "Alii Supplement Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nutrient Deficiency",
        "Happiness",
        "Digestive Health",
        "Vulnerability to Disease",
        "Mood Swings",
        "Energy"
      ],
      "interventions": [
        {
          "name": "Alii Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas Christian University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 25 Years · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2026-01-12",
      "completion_date": "2026-04-20",
      "has_results": true,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07271316"
    },
    {
      "nct_id": "NCT01471652",
      "title": "Chronic Fatigue Syndrome: A Presumptive Mitochondrial Disorder",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Fatigue Syndrome"
      ],
      "interventions": [
        {
          "name": "Nutraceutical supplements",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 0,
      "start_date": "2012-03",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2015-04-13",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01471652"
    },
    {
      "nct_id": "NCT00432744",
      "title": "Phase III Trial of Coenzyme Q10 in Mitochondrial Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mitochondrial Diseases"
      ],
      "interventions": [
        {
          "name": "CoenzymeQ10",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Months to 17 Years"
      },
      "enrollment_count": 24,
      "start_date": "2007-01",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio • Cleveland, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00432744"
    },
    {
      "nct_id": "NCT00608881",
      "title": "Coenzyme Q10 in Huntington's Disease (HD)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Huntington's Disease"
      ],
      "interventions": [
        {
          "name": "coenzyme Q10",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 609,
      "start_date": "2008-03",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2016-03-30",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Fayetteville, Arkansas + 37 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00608881"
    },
    {
      "nct_id": "NCT00860847",
      "title": "Firefighter Aged Garlic Extract Investigation With CoQ10 as a Treatment for Heart Disease (FAITH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Coronary Atherosclerosis",
        "Coronary Artery Calcification",
        "Coronary Stenosis"
      ],
      "interventions": [
        {
          "name": "Aged garlic extract and Coenzyme Q10",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "84 Years",
        "sex": "MALE",
        "summary": "35 Years to 84 Years · Male only"
      },
      "enrollment_count": 65,
      "start_date": "2009-05",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2015-03-12",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 1,
      "location_summary": "Torrance, California",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00860847"
    },
    {
      "nct_id": "NCT00117403",
      "title": "Anti-Oxidant Treatment of Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Vitamin E, Vitamin C, and Alpha-lipoic Acid",
          "type": "DRUG"
        },
        {
          "name": "Coenzyme Q",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsules",
          "type": "DRUG"
        },
        {
          "name": "Placebo wafers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 75,
      "start_date": "2006-01",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2009-04-03",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 13,
      "location_summary": "Tucson, Arizona • Irvine, California • La Jolla, California + 10 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00117403"
    },
    {
      "nct_id": "NCT00891917",
      "title": "Liq-NOL Efficacy in Pediatric Patients With Down Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Down Syndrome"
      ],
      "interventions": [
        {
          "name": "Ubiquinol-10 Syrup",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "syrup (placebo)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "6 Years to 16 Years"
      },
      "enrollment_count": 0,
      "start_date": "2005-01",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2020-09-09",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00891917"
    },
    {
      "nct_id": "NCT01948063",
      "title": "Ubiquinol (Reduced COQ10) for Patients With Sepsis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Ubiquinol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Beth Israel Deaconess 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": 38,
      "start_date": "2012-10",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2017-04-24",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01948063"
    },
    {
      "nct_id": "NCT06515184",
      "title": "Coenzyme Q10 for Gulf War Illness: A Replication Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gulf War Syndrome",
        "Persian Gulf Syndrome",
        "Mitochondrial Disorder, Respiratory Chain"
      ],
      "interventions": [
        {
          "name": "PharmaNord Bio-Quinone Active CoQ10 Gold 100mg",
          "type": "DRUG"
        },
        {
          "name": "PharmaNord Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 192,
      "start_date": "2024-09-13",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06515184"
    },
    {
      "nct_id": "NCT07502924",
      "title": "Dose-Response Impact of Geranylgeraniol (GG) Supplementation on Muscle Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Health",
        "Muscle Strength",
        "Body Composition"
      ],
      "interventions": [
        {
          "name": "Dietary Supplement - Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Geranylgeraniol (150 mg)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Geranylgeraniol (300 mg)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Lindenwood University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 70,
      "start_date": "2025-03-03",
      "completion_date": "2026-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-09-30T13:12:43.506Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07502924"
    }
  ]
}