{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Food+portion+size&page=2",
    "query": {
      "intervention": "Food portion size",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Food+portion+size&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T13:38:04.401Z",
  "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": "NCT05485168",
      "title": "Combined Effects of Sequential Variety and Portion Size on Meal Intake of Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eating Behavior"
      ],
      "interventions": [
        {
          "name": "Sequential Variety",
          "type": "OTHER"
        },
        {
          "name": "Single-Food",
          "type": "OTHER"
        },
        {
          "name": "Small Portion",
          "type": "OTHER"
        },
        {
          "name": "Large Portion",
          "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": 52,
      "start_date": "2022-09-06",
      "completion_date": "2023-04-07",
      "has_results": false,
      "last_update_posted_date": "2023-09-22",
      "last_synced_at": "2026-09-27T13:38:04.401Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05485168"
    },
    {
      "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": "2026-09-27T13:38:04.401Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00123526"
    },
    {
      "nct_id": "NCT02853435",
      "title": "To Assess Bioavailability, Food Effect and Pharmacokinetics of Gepotidacin Tablets: A Phase I, Single-Dose, 2 Part Study in Healthy Subjects.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Infections, Bacterial"
      ],
      "interventions": [
        {
          "name": "Gepotidacin RC Tablet",
          "type": "DRUG"
        },
        {
          "name": "Gepotidacin HSWG Tablet",
          "type": "DRUG"
        },
        {
          "name": "Gepotidacin Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 48,
      "start_date": "2016-08-04",
      "completion_date": "2017-10-17",
      "has_results": true,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-09-27T13:38:04.401Z",
      "location_count": 2,
      "location_summary": "Anaheim, California • Austin, Texas",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02853435"
    },
    {
      "nct_id": "NCT05798780",
      "title": "The ENHANCE Study: Exercise and Nutrition in Head And Neck CancEr Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oral Cavity Cancer",
        "Oropharynx Cancer",
        "Hypopharynx Cancer",
        "Larynx Cancer"
      ],
      "interventions": [
        {
          "name": "ENHANCE Intervention - Exercise and Nutrition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ENHANCE Intervention - Nutrition Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2023-04-06",
      "completion_date": "2025-12-17",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-09-27T13:38:04.401Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05798780"
    },
    {
      "nct_id": "NCT04720703",
      "title": "A Theory Driven, Rurally Tailored, Family-Based, Telehealth Intervention for Childhood Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Obesity"
      ],
      "interventions": [
        {
          "name": "Newsletters",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Family-based Telehealth Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 41,
      "start_date": "2021-08-15",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-06-02",
      "last_synced_at": "2026-09-27T13:38:04.401Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04720703"
    },
    {
      "nct_id": "NCT07341841",
      "title": "Assessing Obesity Related Risk Factors in Adult Population: A Genetic and Behavioral Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity Prevention"
      ],
      "interventions": [
        {
          "name": "Diet and exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lifestyle Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-01-01",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-14",
      "last_synced_at": "2026-09-27T13:38:04.401Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07341841"
    },
    {
      "nct_id": "NCT01211301",
      "title": "Medifast 5 & 1 Plan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Body Weight",
        "Weight Loss",
        "Overweight",
        "Nutrition Disorders"
      ],
      "interventions": [
        {
          "name": "Food-based, Reduced Energy Diet Plan",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medifast 5 & 1 Plan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 120,
      "start_date": "2010-10",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2013-06-19",
      "last_synced_at": "2026-09-27T13:38:04.401Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01211301"
    },
    {
      "nct_id": "NCT04807218",
      "title": "Virta Intervention in CommuniTies in cOloRado (VICTOR-Pilot)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Virta Health",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Colorado Prevention Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 51,
      "start_date": "2021-03-02",
      "completion_date": "2024-08-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-11",
      "last_synced_at": "2026-09-27T13:38:04.401Z",
      "location_count": 3,
      "location_summary": "Craig, Colorado • Lamar, Colorado • Salida, Colorado",
      "locations": [
        {
          "city": "Craig",
          "state": "Colorado"
        },
        {
          "city": "Lamar",
          "state": "Colorado"
        },
        {
          "city": "Salida",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04807218"
    },
    {
      "nct_id": "NCT06263621",
      "title": "Changing Portion Size Descriptions in a Cafeteria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Selection",
        "Obesity",
        "Weight Gain",
        "Food Preferences"
      ],
      "interventions": [
        {
          "name": "Intervention \"Standard\"",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 101481,
      "start_date": "2024-01-11",
      "completion_date": "2024-05-29",
      "has_results": false,
      "last_update_posted_date": "2024-07-11",
      "last_synced_at": "2026-09-27T13:38:04.401Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06263621"
    },
    {
      "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": "2026-09-27T13:38:04.401Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05152693"
    }
  ]
}