{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blueberry+powder",
    "query": {
      "intervention": "Blueberry powder"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blueberry+powder&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T10:27:22.791Z",
  "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": "NCT06828159",
      "title": "Dietary Wild Blueberries and Joint Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gut -Microbiota",
        "Inflammation Biomarkers",
        "Pain Assessment",
        "Joint Pain"
      ],
      "interventions": [
        {
          "name": "Wild blueberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Nevada, Las Vegas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-09-01",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06828159"
    },
    {
      "nct_id": "NCT07607158",
      "title": "Influence of the Gut Microbiome on Blueberry Polyphenol Metabolites",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Microbiome Analysis",
        "Metabolomics"
      ],
      "interventions": [
        {
          "name": "Freeze-dried blueberry powder beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2026-01-27",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07607158"
    },
    {
      "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": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02035592"
    },
    {
      "nct_id": "NCT02630797",
      "title": "Effect of Blueberries on Bone Turnover",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteoporosis, Postmenopausal",
        "Bone Loss, Age-related"
      ],
      "interventions": [
        {
          "name": "Blueberry Baseline",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Blueberry Low",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Blueberry Medium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Blueberry High",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Purdue University",
      "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": 20,
      "start_date": "2017-01-12",
      "completion_date": "2019-08",
      "has_results": false,
      "last_update_posted_date": "2018-05-07",
      "last_synced_at": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02630797"
    },
    {
      "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": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01399138"
    },
    {
      "nct_id": "NCT03445234",
      "title": "Blueberries, Bananas, Exercise Recovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammatory Response",
        "Metabolic Disturbance",
        "Immune Suppression"
      ],
      "interventions": [
        {
          "name": "Blueberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "banana",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "No banana",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Appalachian State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 60,
      "start_date": "2017-09-11",
      "completion_date": "2017-12-15",
      "has_results": false,
      "last_update_posted_date": "2018-02-26",
      "last_synced_at": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03445234"
    },
    {
      "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": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01746303"
    },
    {
      "nct_id": "NCT06495190",
      "title": "Cognition, Flavonoids, Exercise, Gut Microbiome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline, Mild"
      ],
      "interventions": [
        {
          "name": "Blueberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Walking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Stretching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "Appalachian State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 240,
      "start_date": "2025-01-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-12",
      "last_synced_at": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06495190"
    },
    {
      "nct_id": "NCT04049162",
      "title": "Blueberry Enhances Activity and Cognition Through Increased Vascular Efficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sedentary Lifestyle",
        "Blood Pressure",
        "Arterial Stiffness",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Blueberry Plus Exercise (BB-EX)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Blueberry Placebo Plus Exercise (P-EX)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2019-09-20",
      "completion_date": "2022-11-22",
      "has_results": false,
      "last_update_posted_date": "2023-01-20",
      "last_synced_at": "2026-09-03T10:27:22.791Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04049162"
    },
    {
      "nct_id": "NCT03934177",
      "title": "Impact of Blueberry Consumption on Gastrointestinal Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Blueberry powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Nebraska Lincoln",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "19 Years to 70 Years"
      },
      "enrollment_count": 28,
      "start_date": "2019-03-26",
      "completion_date": "2023-03-02",
      "has_results": false,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-09-03T10:27:22.791Z",
      "location_count": 2,
      "location_summary": "Lincoln, Nebraska • Omaha, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03934177"
    }
  ]
}