{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blueberry+extract",
    "query": {
      "intervention": "Blueberry extract"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 72,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blueberry+extract&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T15:15:29.651Z",
  "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": "NCT06735599",
      "title": "Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension (Without Type 2 Diabetes Mellitus)",
        "High Blood Pressure",
        "Male",
        "Female",
        "Adult",
        "Cognition",
        "Endothelial Function (Reactive Hyperemia)",
        "Oxidative Stress",
        "Diet",
        "Overweight",
        "Body Composition Measurement",
        "Gut Microbiome",
        "Arterial Stiffness",
        "Caucasian Whites",
        "Inflammation",
        "Microvascular Function"
      ],
      "interventions": [
        {
          "name": "Wild Blueberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Georgia State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "45 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-09-17",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06735599"
    },
    {
      "nct_id": "NCT01594008",
      "title": "The Effects of Antioxidants in Blueberry Powder on Inflammation Induced by a Single High Fat Meal.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Breakfast meal with placebo powder",
          "type": "OTHER"
        },
        {
          "name": "Breakfast meal with 2 serving equivalents of blueberries",
          "type": "OTHER"
        },
        {
          "name": "Breakfast meal with 4 serving equivalents of blueberries",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 43,
      "start_date": "2012-01",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2015-03-24",
      "last_synced_at": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01594008"
    },
    {
      "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": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05764824"
    },
    {
      "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": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01746303"
    },
    {
      "nct_id": "NCT06264154",
      "title": "The Role of Flavor in the Substitutability of E-cigarettes for Combustible Cigarettes Among Persistent Smokers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Cigarette Smoking",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "E-cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2024-08-26",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06264154"
    },
    {
      "nct_id": "NCT05773794",
      "title": "Scavenging of Reactive Carbonyl Species by Dietary Flavonoids in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Health",
        "Reactive Carbonyl Species",
        "Polyphenols"
      ],
      "interventions": [
        {
          "name": "Soymilk, green tea, or blueberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control group",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "North Carolina Agriculture & Technical State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 48,
      "start_date": "2023-02-06",
      "completion_date": "2023-12-19",
      "has_results": true,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05773794"
    },
    {
      "nct_id": "NCT05184855",
      "title": "Blueberries and Exercise Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscular Injury"
      ],
      "interventions": [
        {
          "name": "Blueberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Appalachian 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": 49,
      "start_date": "2021-12-01",
      "completion_date": "2022-08-15",
      "has_results": false,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05184855"
    },
    {
      "nct_id": "NCT01888848",
      "title": "Effects of Blueberry on Cognition and Mobility in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging",
        "Age-Related Memory Disorders"
      ],
      "interventions": [
        {
          "name": "Freeze-dried Blueberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Blueberry Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "USDA Human Nutrition Research Center on Aging",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "60 Years to 75 Years"
      },
      "enrollment_count": 42,
      "start_date": "2013-01",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01888848"
    },
    {
      "nct_id": "NCT00303238",
      "title": "Study to Evaluate the Effect of Botanical Dietary Supplements on Inflammation in Healthy People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Rose hips extract + blueberry/blackberry extract + resveravine",
          "type": "DRUG"
        },
        {
          "name": "Rose hips extract + blueberry/blackberry extract + Aframomum melegueta extract",
          "type": "DRUG"
        },
        {
          "name": "Rose hips extract + resveravine + Aframomum melegueta extract",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Access Business Group",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2004-10",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2006-03-16",
      "last_synced_at": "2026-09-04T15:15:29.651Z",
      "location_count": 8,
      "location_summary": "Artesia, California • Buena Park, California • Burbank, California + 4 more",
      "locations": [
        {
          "city": "Artesia",
          "state": "California"
        },
        {
          "city": "Buena Park",
          "state": "California"
        },
        {
          "city": "Buena Park",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00303238"
    },
    {
      "nct_id": "NCT06372899",
      "title": "Noncombustible Nicotine Delivery Systems as Potential Harm Reduction Tools for Persistent Cigarette Smokers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-cigarette Use",
        "Cigarette Smoking",
        "Harm Reduction",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "E-cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Oral nicotine pouches",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2024-10-02",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-04T15:15:29.651Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06372899"
    }
  ]
}