{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Procyanidins",
    "query": {
      "intervention": "Procyanidins"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Procyanidins&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T21:39:04.068Z",
  "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": "NCT01010841",
      "title": "Trial of Two Dietary Programs on Cardiometabolic Risk Factors in Subjects With Metabolic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome",
        "Overweight",
        "Obesity",
        "Hypercholesterolemia"
      ],
      "interventions": [
        {
          "name": "UltraMealPlus 360 (Medical food)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low-glycemic-load diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "MetaProteomics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 75 Years · Female only"
      },
      "enrollment_count": 89,
      "start_date": "2008-08",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2012-01-12",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01010841"
    },
    {
      "nct_id": "NCT00318019",
      "title": "Effect of OPC Factor on Energy Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "OPC Factor(TM)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "45 Years to 65 Years"
      },
      "enrollment_count": 27,
      "start_date": "2006-06",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2011-11-17",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00318019"
    },
    {
      "nct_id": "NCT01483508",
      "title": "Absorption and Metabolism of Dietary Cocoa Procyanidins in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Flavanol- and procyanidins-containing drink",
          "type": "OTHER"
        },
        {
          "name": "Procyanidins-containing drink",
          "type": "OTHER"
        },
        {
          "name": "Flavanol-containing drink",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2008-02",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2012-10-25",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01483508"
    },
    {
      "nct_id": "NCT03465345",
      "title": "Study of Metformin Plus Oligomeric Procyanidin Complex for Pharmacologic Manipulation of AGE (Advanced Glycation Endproducts) Levels in Prostate Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Oligomeric Procyanidin Complex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2018-07-11",
      "completion_date": "2018-07-11",
      "has_results": false,
      "last_update_posted_date": "2018-08-03",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03465345"
    },
    {
      "nct_id": "NCT03194620",
      "title": "Absorption, Metabolism and Excretion of Dietary Polyphenolic Bioactives in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Thearubigins",
          "type": "OTHER"
        },
        {
          "name": "Theaflavins",
          "type": "OTHER"
        },
        {
          "name": "Procyanidin Dimer B2 (DB2)",
          "type": "OTHER"
        },
        {
          "name": "(-)-Epigallocatechin-3-O-gallate (EGCG)",
          "type": "OTHER"
        },
        {
          "name": "(-)-Epicatechin-3-O-gallate (ECG)",
          "type": "OTHER"
        },
        {
          "name": "(-)-Epicatechin (EC)",
          "type": "OTHER"
        },
        {
          "name": "(-)-Epigallocatechin (EGC)",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "25 Years to 60 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2016-08",
      "completion_date": "2017-01-12",
      "has_results": false,
      "last_update_posted_date": "2017-11-06",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03194620"
    },
    {
      "nct_id": "NCT05130905",
      "title": "RiteStart Personal Nutritional Dietary Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Nutrition"
      ],
      "interventions": [
        {
          "name": "RiteStart Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "4Life Research, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2017-09-01",
      "completion_date": "2017-12-20",
      "has_results": false,
      "last_update_posted_date": "2021-11-23",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Sandy City, Utah",
      "locations": [
        {
          "city": "Sandy City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05130905"
    },
    {
      "nct_id": "NCT02408289",
      "title": "The Randomized Controlled Cocoa-Appetite Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Lo-Flav",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Hi-Flav",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Epicatechin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Procyanidins",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Brooklyn College of the City University of New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 28,
      "start_date": "2015-03",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2016-01-13",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02408289"
    },
    {
      "nct_id": "NCT01219595",
      "title": "Cranberry Proanthocyanidins for Modification of Intestinal E. Coli Flora and Prevention of Urinary Tract Infections in UTI-Susceptible Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Tract Infection"
      ],
      "interventions": [
        {
          "name": "Sweetened, dried cranberries",
          "type": "OTHER"
        },
        {
          "name": "Strawberry Fruit Pieces",
          "type": "OTHER"
        },
        {
          "name": "Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 65,
      "start_date": "2010-09",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2016-01-29",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01219595"
    },
    {
      "nct_id": "NCT01969994",
      "title": "Absorption, Metabolism, and Excretion of (-)-[2-14C]Epicatechin in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ADME"
      ],
      "interventions": [
        {
          "name": "Controlled dietary background",
          "type": "OTHER"
        },
        {
          "name": "(-)-[2-14C]epicatechin intake",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Institutes for Pharmaceutical Discovery, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2009-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2013-10-25",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01969994"
    },
    {
      "nct_id": "NCT03030716",
      "title": "Multiple Daily Condensed Tannin Supplementation and Iron Bioavailability: The Tannin Dose Response Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Deficiency Anemia",
        "Iron-deficiency"
      ],
      "interventions": [
        {
          "name": "95% condensed proanthocyanidins from grape seed extract",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Kansas State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2016-06-25",
      "completion_date": "2016-12-10",
      "has_results": false,
      "last_update_posted_date": "2017-01-25",
      "last_synced_at": "2026-09-02T21:39:04.068Z",
      "location_count": 1,
      "location_summary": "Manhattan, Kansas",
      "locations": [
        {
          "city": "Manhattan",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03030716"
    }
  ]
}