{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blueberry+powder+group",
    "query": {
      "intervention": "Blueberry powder group"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blueberry+powder+group&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T05:10:54.319Z",
  "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": "NCT04398784",
      "title": "Effect of Whole Blueberry Powder Consumption on Depression in a Central Louisiana Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Depression, Anxiety",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Freeze Dried Blueberry Powder - 71717",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "USHBC Blueberry Placebo Formula #114",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Louisiana State University, Baton Rouge",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 45,
      "start_date": "2019-04-15",
      "completion_date": "2019-11-26",
      "has_results": false,
      "last_update_posted_date": "2020-05-21",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 2,
      "location_summary": "Cottonport, Louisiana • Marksville, Louisiana",
      "locations": [
        {
          "city": "Cottonport",
          "state": "Louisiana"
        },
        {
          "city": "Marksville",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04398784"
    },
    {
      "nct_id": "NCT02075307",
      "title": "Effect of Blueberry Consumption on Metabolic Syndrome & DNA Damage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome",
        "Insulin Resistance",
        "DNA Damage"
      ],
      "interventions": [
        {
          "name": "Blueberry Powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "UCSF Benioff Children's Hospital Oakland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 7,
      "start_date": "2014-01",
      "completion_date": "2017-04-04",
      "has_results": false,
      "last_update_posted_date": "2020-12-23",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02075307"
    },
    {
      "nct_id": "NCT05764824",
      "title": "Long-term Effects of Blueberry Supplementation on Brain Health in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline",
        "Nutrition, Healthy",
        "Brain Injuries"
      ],
      "interventions": [
        {
          "name": "Blueberry powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Controlled and matched powder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "65 Years to 99 Years"
      },
      "enrollment_count": 67,
      "start_date": "2023-10-01",
      "completion_date": "2024-09-11",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05764824"
    },
    {
      "nct_id": "NCT02035592",
      "title": "The Health Effects of Blueberry Anthocyanins in Metabolic Syndrome (the CIRCLES-study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Resistance",
        "Metabolic Syndrome X"
      ],
      "interventions": [
        {
          "name": "Full dose blueberry",
          "type": "OTHER"
        },
        {
          "name": "Half dose blueberry",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of East Anglia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "50 Years to 74 Years"
      },
      "enrollment_count": 144,
      "start_date": "2014-01",
      "completion_date": "2016-11-07",
      "has_results": false,
      "last_update_posted_date": "2017-09-29",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02035592"
    },
    {
      "nct_id": "NCT01399138",
      "title": "The Effect of Blueberry Powder Supplementation on Cardiovascular Risk Factors in Subjects With the Metabolic Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Blueberry Powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2010-07",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2023-06-12",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01399138"
    },
    {
      "nct_id": "NCT04329962",
      "title": "Metabolism and Absorption of Anthocyanins From Extract and Whole Blueberry Powder Confections in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Diet",
        "Nutrition Aspect of Cancer"
      ],
      "interventions": [
        {
          "name": "Blueberry Powder Food Product",
          "type": "OTHER"
        },
        {
          "name": "Dietary Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2018-05-08",
      "completion_date": "2018-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04329962"
    },
    {
      "nct_id": "NCT01746303",
      "title": "Omega-3 and Blueberry Supplementation in Age-Related Cognitive Decline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age-related Memory Disorders",
        "Mood Disorders"
      ],
      "interventions": [
        {
          "name": "Omega-3 fatty acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Blueberry powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo oil",
          "type": "OTHER"
        },
        {
          "name": "Placebo powder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "62 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "62 Years to 80 Years"
      },
      "enrollment_count": 94,
      "start_date": "2010-01",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-05-27",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01746303"
    },
    {
      "nct_id": "NCT01005420",
      "title": "The Effect of Blueberries on Enhancing Insulin Sensitivity in Humans: A Pilot Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Sensitivity"
      ],
      "interventions": [
        {
          "name": "Blueberry Powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "20 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-02",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2023-06-12",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01005420"
    },
    {
      "nct_id": "NCT05006989",
      "title": "Blueberry Intake and Infant Gut Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infant Development"
      ],
      "interventions": [
        {
          "name": "Blueberry Powder",
          "type": "OTHER"
        },
        {
          "name": "Placebo Powder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Months",
        "maximum_age": "5 Months",
        "sex": "ALL",
        "summary": "4 Months to 5 Months"
      },
      "enrollment_count": 75,
      "start_date": "2021-09-01",
      "completion_date": "2025-03-30",
      "has_results": false,
      "last_update_posted_date": "2025-04-30",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05006989"
    },
    {
      "nct_id": "NCT01515098",
      "title": "Effect of Blueberries on Cognition and Body Composition in Elderly With Mild Cognitive Decline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "Freeze-dried blueberries",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dextrose Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "65 Years to 79 Years"
      },
      "enrollment_count": 123,
      "start_date": "2012-01",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2022-03-08",
      "last_synced_at": "2026-09-19T05:10:54.319Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01515098"
    }
  ]
}