{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=grapes&page=2",
    "query": {
      "intervention": "grapes",
      "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=grapes&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T09:10:46.494Z",
  "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": "NCT03409497",
      "title": "Effects of Grape Juice With Breakfast on Glycemia and Cognitive Function in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glycemic Response",
        "Appetitive Behavior"
      ],
      "interventions": [
        {
          "name": "Concord Grape Juice",
          "type": "OTHER"
        },
        {
          "name": "Low flavonoid low essence beverage",
          "type": "OTHER"
        },
        {
          "name": "Low flavonoid beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "25 Years to 60 Years"
      },
      "enrollment_count": 40,
      "start_date": "2019-05-17",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-11-05",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03409497"
    },
    {
      "nct_id": "NCT06428890",
      "title": "Effect of 7 Days of Grape Seed Extract Supplementation on Cold Pressor Test and Muscle Metaboreflex in Individuals With Elevated and Stage 1 Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prehypertension"
      ],
      "interventions": [
        {
          "name": "Grape Seed Extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "California Baptist University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2022-03-01",
      "completion_date": "2024-04-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-24",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "Riverside, California",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06428890"
    },
    {
      "nct_id": "NCT03409484",
      "title": "Effects of Concord Grape Juice Alone on Glycemia, Appetite and Cognitive Function in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glycemic Response",
        "Appetitive Behavior"
      ],
      "interventions": [
        {
          "name": "Concord Grape Juice",
          "type": "OTHER"
        },
        {
          "name": "Low flavoniod low essence beverage",
          "type": "OTHER"
        },
        {
          "name": "Low flavonoid beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "25 Years to 60 Years"
      },
      "enrollment_count": 40,
      "start_date": "2018-10-10",
      "completion_date": "2019-09-20",
      "has_results": false,
      "last_update_posted_date": "2020-11-05",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03409484"
    },
    {
      "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": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02677649"
    },
    {
      "nct_id": "NCT00979732",
      "title": "The Effect of Grape Seed Extract on Blood Pressure in People With Pre-Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "grape seed extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "grape seed extract placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 33,
      "start_date": "2009-11-15",
      "completion_date": "2014-10-15",
      "has_results": true,
      "last_update_posted_date": "2021-02-11",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00979732"
    },
    {
      "nct_id": "NCT02033941",
      "title": "Phase 2 Study to Examine Grape Seed Extract as an Anti-Oligomerization Agent in Alzheimer's Disease (AD)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Meganatural-Az Grapeseed Extract",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hillel Grossman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2018-07-03",
      "completion_date": "2019-10-04",
      "has_results": false,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02033941"
    },
    {
      "nct_id": "NCT06476795",
      "title": "The Influence of Chardonnay Marc Intake on Gut and Cardiometabolic Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Adiposity",
        "Cardiometabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Chardonnay Marc",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 70 Years · Female only"
      },
      "enrollment_count": 5,
      "start_date": "2024-06-01",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06476795"
    },
    {
      "nct_id": "NCT02502253",
      "title": "BDPP Treatment for Mild Cognitive Impairment (MCI) and Prediabetes or Type 2 Diabetes Mellitus (T2DM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "grape seed polyphenolic extract, resveratrol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 14,
      "start_date": "2015-06",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-07-22",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02502253"
    },
    {
      "nct_id": "NCT00554242",
      "title": "Effect of Grape Seed Extract Plus Ascorbic Acid on Endothelial Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Grape seed extract and ascorbic acid",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2007-07",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2009-06-18",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00554242"
    },
    {
      "nct_id": "NCT00678431",
      "title": "Randomized Trial of a Nutritional Supplement in Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Resveratrol with Glucose, and Malate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 27,
      "start_date": "2008-01",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-11-15",
      "last_synced_at": "2026-09-16T09:10:46.494Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00678431"
    }
  ]
}