{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Portion+controlled+diet",
    "query": {
      "intervention": "Portion controlled diet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 187,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Portion+controlled+diet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T17:26:21.238Z",
  "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": "NCT04141878",
      "title": "Dementia and Diabetes Prevention Program",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Dementia"
      ],
      "interventions": [
        {
          "name": "Aerobic Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diet Skills",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2021-05-26",
      "completion_date": "2026-06-27",
      "has_results": false,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 1,
      "location_summary": "Walnut Creek, California",
      "locations": [
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04141878"
    },
    {
      "nct_id": "NCT04990817",
      "title": "Effects of Replacing Energy From Solid Fats and Added Sugars (SoFAS) With Avocado",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elevated Triglycerides",
        "Hypertriglyceridemia"
      ],
      "interventions": [
        {
          "name": "Average American Diet With SoFAS Replaced With Avocado",
          "type": "OTHER"
        },
        {
          "name": "Average American Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Midwest Center for Metabolic and Cardiovascular Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "21 Years to 74 Years"
      },
      "enrollment_count": 42,
      "start_date": "2021-06-18",
      "completion_date": "2024-04-17",
      "has_results": false,
      "last_update_posted_date": "2024-05-21",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Indianapolis, Indiana",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04990817"
    },
    {
      "nct_id": "NCT00138645",
      "title": "The Effects of Formula Diet on Body Weight, Body Composition, and Biomarkers for Disease Compared to a Standard Diet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Body Weight Changes"
      ],
      "interventions": [
        {
          "name": "MicroDiet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Healthy Diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research 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": 60,
      "start_date": "2005-04",
      "completion_date": "2006-05",
      "has_results": true,
      "last_update_posted_date": "2016-02-08",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00138645"
    },
    {
      "nct_id": "NCT01260337",
      "title": "The Effects of a Pre-packaged, Portion Controlled Meal Plan on Type 2 Diabetes and Glycemic Control: A Comparison Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Portion controlled diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diabetes Support and Education",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 100,
      "start_date": "2010-03",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2013-07-01",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01260337"
    },
    {
      "nct_id": "NCT03874988",
      "title": "Building an Evidence Base for Weight Loss Strategies Among Those With Chronic SCI-The GLB-SCI+",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries",
        "Obesity",
        "Weight Loss",
        "Diet Modification"
      ],
      "interventions": [
        {
          "name": "Portion-Controlled Meals",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Self-Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "GLB-SCI+",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2019-06-01",
      "completion_date": "2022-06-15",
      "has_results": false,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03874988"
    },
    {
      "nct_id": "NCT01662557",
      "title": "Treatment of Early Childhood Overweight in Primary Care: Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Family Behavior Modification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Minimal Nutrition Information",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "4 Years to 8 Years"
      },
      "enrollment_count": 51,
      "start_date": "2008-02",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2012-08-15",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01662557"
    },
    {
      "nct_id": "NCT05248737",
      "title": "Bioavailability of Vitamin D(25(OH)D) and Omega-3 Fatty Acid (DHA) Enhanced Chicken",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nutrition, Healthy"
      ],
      "interventions": [
        {
          "name": "DHA/EPA fortified chicken plus Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "non-25(OH)D fortified chicken/eggs plus vitamin D3 supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "non-DHA bio-enhanced chicken plus supplement DHA Omega-3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "25(OH)D bioenhanced chicken and eggs plus placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dietary Supplement: DHA/EPA fortified eggs plus Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "non-DHA bio-enhanced eggs plus supplement DHA Omega-3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "non-25(OH)D fortified chicken/eggs plus placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 84,
      "start_date": "2021-12-04",
      "completion_date": "2026-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 1,
      "location_summary": "Ithaca, New York",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05248737"
    },
    {
      "nct_id": "NCT03127631",
      "title": "A Study for Cardiovascular and Lifestyle Risk Factors in Prostate Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Nutrition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking cessation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Statin (such as Simvastatin, Atorvastatin, Rosuvastatin, Pravastatin)",
          "type": "DRUG"
        },
        {
          "name": "ACE inhibitor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "McMaster University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "45 Years and older · Male only"
      },
      "enrollment_count": 5000,
      "start_date": "2015-10-21",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 4,
      "location_summary": "Augusta, Georgia • Kansas City, Kansas • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03127631"
    },
    {
      "nct_id": "NCT02229708",
      "title": "Targeting Pregnancy-related Weight Gain to Reduce Disparities in Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Body Weight Changes",
        "Behavioral",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Healthy Lifestyle Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 262,
      "start_date": "2014-09",
      "completion_date": "2019-07-17",
      "has_results": false,
      "last_update_posted_date": "2019-10-17",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02229708"
    },
    {
      "nct_id": "NCT06930495",
      "title": "The Effect of Adiposity on Muscle and Microvascular Function in HFpEF",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction (HFPEF)"
      ],
      "interventions": [
        {
          "name": "Weight loss SOC Treatment with second generation anti-diabetic medications",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 95,
      "start_date": "2024-12-10",
      "completion_date": "2028-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-09-05T17:26:21.238Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06930495"
    }
  ]
}