{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Food+portion+size",
    "query": {
      "intervention": "Food portion size"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 83,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Food+portion+size&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T11:35:31.531Z",
  "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": "NCT07478016",
      "title": "EXploring Inflammation and Social deTerminants Study in Breast Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Ductal Carcinoma In Situ"
      ],
      "interventions": [
        {
          "name": "Survey Assessments",
          "type": "OTHER"
        },
        {
          "name": "Diet Recall",
          "type": "OTHER"
        },
        {
          "name": "Blood Biomarker Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2022-12-21",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07478016"
    },
    {
      "nct_id": "NCT03572218",
      "title": "Psychological Intervention to Reduce Weight Bias Internalization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stigmatization",
        "Obesity",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "BWL",
          "type": "BEHAVIORAL"
        },
        {
          "name": "BIAS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 72,
      "start_date": "2018-04-10",
      "completion_date": "2019-10-18",
      "has_results": true,
      "last_update_posted_date": "2020-10-23",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03572218"
    },
    {
      "nct_id": "NCT00436878",
      "title": "Intake Promoting Effects of Large Portions in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eating"
      ],
      "interventions": [
        {
          "name": "Food portion size",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "5 Years to 6 Years"
      },
      "enrollment_count": 100,
      "start_date": "2005-10",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2018-07-12",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00436878"
    },
    {
      "nct_id": "NCT01304615",
      "title": "Foundations for Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obese"
      ],
      "interventions": [
        {
          "name": "Decrease Energy Density of the Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Increase Steps per Day",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Consumption of Self-made Meals",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "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": 10,
      "start_date": "2011-02",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01304615"
    },
    {
      "nct_id": "NCT05152693",
      "title": "Effects of Variety and Portion Size on Meal Intake of Adults",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eating Behavior"
      ],
      "interventions": [
        {
          "name": "Low variety",
          "type": "OTHER"
        },
        {
          "name": "High Variety",
          "type": "OTHER"
        },
        {
          "name": "Small Portion Size",
          "type": "OTHER"
        },
        {
          "name": "Large Portion Size",
          "type": "OTHER"
        },
        {
          "name": "With Beverage",
          "type": "OTHER"
        },
        {
          "name": "Without Beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 65 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2022-01-20",
      "completion_date": "2023-01-27",
      "has_results": false,
      "last_update_posted_date": "2021-12-10",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05152693"
    },
    {
      "nct_id": "NCT02135562",
      "title": "Protein-Sparing Modified Fast Intervention for Weight Loss in Obese Endometrial Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Dietary Intervention",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Informational Material",
          "type": "OTHER"
        },
        {
          "name": "Dietary Education",
          "type": "OTHER"
        },
        {
          "name": "Weight Maintenance",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Average score of Obesity and Weight-Loss Quality of Life Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2014-08-08",
      "completion_date": "2017-04-19",
      "has_results": false,
      "last_update_posted_date": "2017-09-20",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02135562"
    },
    {
      "nct_id": "NCT01481948",
      "title": "Food, Fun, & Fitness Internet Program for Girls: Outcome Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Food, Fun, & Fitness Internet Program for Girls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "10 Years",
        "sex": "FEMALE",
        "summary": "8 Years to 10 Years · Female only"
      },
      "enrollment_count": 342,
      "start_date": "2012-01",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2016-01-20",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01481948"
    },
    {
      "nct_id": "NCT02489396",
      "title": "Promoting Healthier Food Purchases By Leveraging the Online-Grocery Environment",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Nutrition facts automatically or not automatically displayed",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nutrition facts in color",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nutrition Facts Label in Larger Font",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Healthier Items First",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 400,
      "start_date": "2015-08",
      "completion_date": "2019-08",
      "has_results": false,
      "last_update_posted_date": "2018-05-03",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02489396"
    },
    {
      "nct_id": "NCT03235440",
      "title": "Feasibility of the Camp Power Up Program on Children's Body Weight and Quality of Life",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity, Childhood",
        "Weight Change, Body",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Kids N Fitness Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "6 Years to 14 Years"
      },
      "enrollment_count": 27,
      "start_date": "2017-06-19",
      "completion_date": "2018-06-15",
      "has_results": true,
      "last_update_posted_date": "2024-12-16",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03235440"
    },
    {
      "nct_id": "NCT00123526",
      "title": "Workplace-Sponsored Diet and Exercise Program to Reduce Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity",
        "Cardiovascular Diseases",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical Activity",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 899,
      "start_date": "2004-09",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2013-09-24",
      "last_synced_at": "2026-09-04T11:35:31.531Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00123526"
    }
  ]
}