{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Walnut+Intake",
    "query": {
      "intervention": "Walnut Intake"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T04:14:39.148Z",
  "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": "NCT02673281",
      "title": "Activation of Brain Centers by Short-term Walnut Consumption in Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Walnut shake",
          "type": "OTHER"
        },
        {
          "name": "Placebo shake",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical 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": 10,
      "start_date": "2016-01",
      "completion_date": "2023-03-20",
      "has_results": false,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-09-06T04:14:39.148Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02673281"
    },
    {
      "nct_id": "NCT03900403",
      "title": "Influence of Walnut Intake on Vascular Function and Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Endothelial Dysfunction",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "Walnut Intake",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 65 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2019-09-01",
      "completion_date": "2023-06-14",
      "has_results": false,
      "last_update_posted_date": "2023-08-31",
      "last_synced_at": "2026-09-06T04:14:39.148Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03900403"
    },
    {
      "nct_id": "NCT02675101",
      "title": "Nuts and Olestra for Persistent Organic Pollutant Reduction (NO-POPs) Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Persistent Organic Pollutants",
        "Endocrine Disrupting Chemicals",
        "Endocrine Disruptor Effects"
      ],
      "interventions": [
        {
          "name": "Whole Nuts",
          "type": "OTHER"
        },
        {
          "name": "Olestra: Fat Free Pringles",
          "type": "OTHER"
        },
        {
          "name": "Vegetable Oil: Original Pringles",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "45 Years to 70 Years"
      },
      "enrollment_count": 45,
      "start_date": "2016-03",
      "completion_date": "2019-04-01",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-09-06T04:14:39.148Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02675101"
    },
    {
      "nct_id": "NCT07081698",
      "title": "Walnuts as an Infant Solid Food for Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gut -Microbiota",
        "Inflammatory Markers",
        "Infant Development"
      ],
      "interventions": [
        {
          "name": "Infant walnut intake",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Months",
        "maximum_age": "5 Months",
        "sex": "ALL",
        "summary": "5 Months to 5 Months"
      },
      "enrollment_count": 90,
      "start_date": "2025-05-18",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-23",
      "last_synced_at": "2026-09-06T04:14:39.148Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07081698"
    },
    {
      "nct_id": "NCT07428187",
      "title": "Snacking Effects on the Brain Response to Foods and Satiety During Dieting",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight/Obesity"
      ],
      "interventions": [
        {
          "name": "Snack Type 1: Walnuts",
          "type": "OTHER"
        },
        {
          "name": "Snack Type 2: Pretzels",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "25 Years to 45 Years"
      },
      "enrollment_count": 70,
      "start_date": "2026-03-05",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-09-06T04:14:39.148Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07428187"
    },
    {
      "nct_id": "NCT02501889",
      "title": "The Lean Living Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Walnut-rich weight loss diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard weight loss diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 100,
      "start_date": "2015-08",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-09-06T04:14:39.148Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02501889"
    },
    {
      "nct_id": "NCT02330848",
      "title": "Walnut Ingestion in Adults at Risk for Diabetes: Effects on Body Composition, Diet Quality, and Cardiac Risk Measures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Walnut Ad libitum diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Walnut Calorie controlled",
          "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": 112,
      "start_date": "2012-02",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2020-03-26",
      "last_synced_at": "2026-09-06T04:14:39.148Z",
      "location_count": 1,
      "location_summary": "Derby, Connecticut",
      "locations": [
        {
          "city": "Derby",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02330848"
    }
  ]
}