{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Grape+Powder&page=2",
    "query": {
      "intervention": "Grape Powder",
      "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=Grape+Powder&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T16:15:52.936Z",
  "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": "NCT05991700",
      "title": "Anthocyanin-Rich Table Grape Powder for Prophylaxis of Post-Operative Atrial Fibrillation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Post-operative Atrial Fibrillation (POAF)"
      ],
      "interventions": [
        {
          "name": "Freeze-Dried California Table Grape",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 70,
      "start_date": "2026-03-23",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05991700"
    },
    {
      "nct_id": "NCT03659695",
      "title": "Cardioprotective Effects of Freeze Dried Grape Powder on Blood Pressure and Plasma Lipids/Lipoproteins",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "Grape Powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 16,
      "start_date": "2020-04-01",
      "completion_date": "2024-02-13",
      "has_results": false,
      "last_update_posted_date": "2024-02-15",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03659695"
    },
    {
      "nct_id": "NCT03203915",
      "title": "Metabolic Response to Chardonnay Grape Marc Powder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dyslipidemia",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Chardonnay grape marc marc high polyphenol dose (120mg)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Chardonnay grape marc powder low polyphenol dose (75mg)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (0mg)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "35 Years to 65 Years"
      },
      "enrollment_count": 31,
      "start_date": "2017-08-01",
      "completion_date": "2019-06-28",
      "has_results": false,
      "last_update_posted_date": "2021-07-16",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03203915"
    },
    {
      "nct_id": "NCT00256334",
      "title": "Resveratrol for Patients With Colon Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Colon Cancer",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Resveratrol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2005-07",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2014-06-20",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00256334"
    },
    {
      "nct_id": "NCT05873530",
      "title": "Circadian Modulation of Grape Consumption and Oxidative Stress Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oxidative Stress"
      ],
      "interventions": [
        {
          "name": "Grape",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Idaho State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 32,
      "start_date": "2021-09-01",
      "completion_date": "2023-05-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-24",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "Pocatello, Idaho",
      "locations": [
        {
          "city": "Pocatello",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05873530"
    },
    {
      "nct_id": "NCT02677649",
      "title": "Microbiota Diversity and Composition and Polyphenol Bioavailability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fecal Microbiota"
      ],
      "interventions": [
        {
          "name": "cranberry",
          "type": "OTHER"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 11,
      "start_date": "2015-12",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2017-02-23",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02677649"
    },
    {
      "nct_id": "NCT07214428",
      "title": "Effects of Grape Powder on Psychological Distress and Gut Microbiota in College Students",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gut Microbiota",
        "Psychological Distress"
      ],
      "interventions": [
        {
          "name": "freeze-dried table grape powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-10-20",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07214428"
    },
    {
      "nct_id": "NCT01443884",
      "title": "Anti-Inflammatory Activities of Grapes in Humans at Risk for Cardiovascular Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Grape powder, followed by placebo powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo powder followed by grape powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "20 Years to 60 Years"
      },
      "enrollment_count": 24,
      "start_date": "2009-10",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2011-12-12",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01443884"
    },
    {
      "nct_id": "NCT07797803",
      "title": "Grape Impact on Human Gut Microbiome",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gut Microbiomes"
      ],
      "interventions": [
        {
          "name": "Grape Powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Powder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "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": 40,
      "start_date": "2026-09",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07797803"
    },
    {
      "nct_id": "NCT00599508",
      "title": "Nutritional Supplementation in Cognitive Aging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Aging"
      ],
      "interventions": [
        {
          "name": "Concord grape juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "blueberry juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "whole fruit blueberry powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "berry placebo powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "66 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "66 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2006-06",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2016-10-10",
      "last_synced_at": "2026-09-06T16:15:52.936Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00599508"
    }
  ]
}