{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cinnamon+Extract",
    "query": {
      "intervention": "Cinnamon Extract"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cinnamon+Extract&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T05:53:13.476Z",
  "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": "NCT00331279",
      "title": "The Effect of Cinnamon Extract on Insulin Resistance Parameters in Polycystic Ovary Syndrome: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "Oral Cinnamon Extract",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "23 Years",
        "maximum_age": "47 Years",
        "sex": "FEMALE",
        "summary": "23 Years to 47 Years · Female only"
      },
      "enrollment_count": 1,
      "start_date": "2005-08",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2012-12-10",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00331279"
    },
    {
      "nct_id": "NCT05832463",
      "title": "Effects of a Novel Supplement on Glycemic Variability Measured by Continuous Glucose Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Carbohydrate blocking supplement (CBS)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo capsule",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "dōTERRA International",
      "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": 43,
      "start_date": "2021-05-14",
      "completion_date": "2022-07-15",
      "has_results": false,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "Pleasant Grove, Utah",
      "locations": [
        {
          "city": "Pleasant Grove",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05832463"
    },
    {
      "nct_id": "NCT02404701",
      "title": "Effect of Over-the-counter Dietary Supplements on Kidney Stone Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "Aloe vera with cactus",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Cranberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Green tea extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Bilberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Cinnamon",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Milk thistle",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Turmeric",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Aloe vera",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2015-02",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2016-10-27",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02404701"
    },
    {
      "nct_id": "NCT01483118",
      "title": "Cinnamon Extract on Menstrual Cycles in PolyCystic Ovary Syndrome (PCOS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "Cinnamon Extract",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Rogerio A. Lobo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "38 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 38 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2011-03",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2017-10-03",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01483118"
    },
    {
      "nct_id": "NCT01302743",
      "title": "Cinnamon Bark, Water-Soluble Cinnamon Extract, and Metformin for Treatment of Type 2 DM.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Group 1: Metformin",
          "type": "DRUG"
        },
        {
          "name": "Group 2: Cinnamon Bark",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Group 3: Cinnulin PF",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Mike O'Callaghan Military Hospital",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2010-11",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "Nellis Air Force Base, Nevada",
      "locations": [
        {
          "city": "Nellis Air Force Base",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01302743"
    },
    {
      "nct_id": "NCT05900024",
      "title": "A Study to Evaluate the Effect of Funk It Cycle Bites on PMS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premenstrual Syndrome"
      ],
      "interventions": [
        {
          "name": "Funk It Cycle Bites",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Funk It Wellness",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2023-05-01",
      "completion_date": "2023-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-29",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05900024"
    },
    {
      "nct_id": "NCT00970541",
      "title": "Effect of Cinnamon Extract on Insulin Resistance in Polycystic Ovary Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Cinnamon Supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (wheat flour)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 40 Years · Female only"
      },
      "enrollment_count": 8,
      "start_date": "2009-08",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2021-08-25",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00970541"
    },
    {
      "nct_id": "NCT01847053",
      "title": "Bioavailability Study of Cinnamon in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy Males"
      ],
      "interventions": [
        {
          "name": "cinnamon",
          "type": "OTHER"
        },
        {
          "name": "Oatmeal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "McCormick and Company, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "18 Years to 40 Years · Male only"
      },
      "enrollment_count": 8,
      "start_date": "2013-01",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2020-03-06",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01847053"
    },
    {
      "nct_id": "NCT07442864",
      "title": "Hunger Perception and Weight-Related Outcomes Following Use of a Leptin-Supporting Dietary Supplement",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hunger",
        "Weight Change"
      ],
      "interventions": [
        {
          "name": "Leptin Balance Formula",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Efforia, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-09-10",
      "completion_date": "2026-09-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07442864"
    },
    {
      "nct_id": "NCT01301521",
      "title": "Cinnamon Trial-lIfestyle iNtervention Plus Water-soluble Cinnamon Extract On loweriNg Blood Glucose in Pre-diabetics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Pre-Diabetes"
      ],
      "interventions": [
        {
          "name": "water-soluble cinnamon extract (Cinnulin PF)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mike O'Callaghan Military Hospital",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 229,
      "start_date": "2013-06-11",
      "completion_date": "2019-04-26",
      "has_results": true,
      "last_update_posted_date": "2024-04-03",
      "last_synced_at": "2026-09-07T05:53:13.476Z",
      "location_count": 4,
      "location_summary": "Travis Air Force Base, California • Eglin Air Force Base, Florida • Offutt Air Force Base, Nebraska + 1 more",
      "locations": [
        {
          "city": "Travis Air Force Base",
          "state": "California"
        },
        {
          "city": "Eglin Air Force Base",
          "state": "Florida"
        },
        {
          "city": "Offutt Air Force Base",
          "state": "Nebraska"
        },
        {
          "city": "Lackland Air Force Base",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01301521"
    }
  ]
}