{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Walnut+supplementation",
    "query": {
      "intervention": "Walnut supplementation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T07:32:10.625Z",
  "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": "NCT00901043",
      "title": "Effects of Walnut Consumption on Endothelial Function in Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "DIABETES MELLITUS TYPE 2"
      ],
      "interventions": [
        {
          "name": "Walnut supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ad lib diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Griffin Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "35 Years to 75 Years"
      },
      "enrollment_count": 24,
      "start_date": "2007-10",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2020-03-26",
      "last_synced_at": "2026-09-03T07:32:10.625Z",
      "location_count": 1,
      "location_summary": "Derby, Connecticut",
      "locations": [
        {
          "city": "Derby",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00901043"
    },
    {
      "nct_id": "NCT04361617",
      "title": "Nuts and Oil Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Daily consumption of tree nuts and extra virgin olive oil",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2021-07-19",
      "completion_date": "2022-04-20",
      "has_results": true,
      "last_update_posted_date": "2023-09-18",
      "last_synced_at": "2026-09-03T07:32:10.625Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04361617"
    },
    {
      "nct_id": "NCT01413646",
      "title": "Effects of Walnuts on Endothelial Function in Overweight Adults With at Least One Factor of Metabolic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Walnut Supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "No walnut supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Griffin Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2010-02",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2019-08-02",
      "last_synced_at": "2026-09-03T07:32:10.625Z",
      "location_count": 1,
      "location_summary": "Derby, Connecticut",
      "locations": [
        {
          "city": "Derby",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01413646"
    }
  ]
}