{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=overfeeding",
    "query": {
      "intervention": "overfeeding"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=overfeeding&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T04:00:07.359Z",
  "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": "NCT00072917",
      "title": "The Effects of Overfeeding on Obesity-Prone (OP) and Obesity-Resistant (OR) Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Thinness",
        "Weight Gain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "25 Years to 35 Years"
      },
      "enrollment_count": 100,
      "start_date": "2003-10",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2010-01-18",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00072917"
    },
    {
      "nct_id": "NCT04583514",
      "title": "Testing the Adipose Expandability Hypothesis In Vivo During Overfeeding",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Overfeeding",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "ALL",
        "summary": "18 Years to 42 Years"
      },
      "enrollment_count": 58,
      "start_date": "2020-09-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04583514"
    },
    {
      "nct_id": "NCT02703766",
      "title": "Weight Gain and Adipose Tissue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "overfeeding induced weight gain",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 14,
      "start_date": "2016-04",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2019-01-09",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 2,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02703766"
    },
    {
      "nct_id": "NCT01672632",
      "title": "Fat Cell Size and Overfeeding and Etopic Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Over Eating"
      ],
      "interventions": [
        {
          "name": "Overfeeding",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 40,
      "start_date": "2008-05",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2021-05-03",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01672632"
    },
    {
      "nct_id": "NCT02809482",
      "title": "White Adipose Tissue Clocks and High Calorie Feeding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Eucaloric feeding",
          "type": "OTHER"
        },
        {
          "name": "Overfeeding",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "20 Years to 35 Years"
      },
      "enrollment_count": 10,
      "start_date": "2016-07",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2019-07-01",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02809482"
    },
    {
      "nct_id": "NCT04069351",
      "title": "Body Composition Changes During Overfeeding Plus Resistance Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Gain",
        "Resistance Training",
        "Overeating"
      ],
      "interventions": [
        {
          "name": "High-calorie mass gainer supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Resistance Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Texas Tech University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "18 Years to 40 Years · Male only"
      },
      "enrollment_count": 32,
      "start_date": "2019-09-18",
      "completion_date": "2019-11-26",
      "has_results": false,
      "last_update_posted_date": "2020-05-07",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04069351"
    },
    {
      "nct_id": "NCT02701868",
      "title": "Unintentional Overfeeding of Formula Fed Infants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Obesity",
        "Infant Development"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 171,
      "start_date": "2016-07",
      "completion_date": "2017-04",
      "has_results": true,
      "last_update_posted_date": "2021-01-14",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02701868"
    },
    {
      "nct_id": "NCT02903186",
      "title": "Multi-site Trial Using SMS to Improve Infant Weight",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "SMS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Puerto Rico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "Up to 2 Months"
      },
      "enrollment_count": 202,
      "start_date": "2016-01",
      "completion_date": "2016-08-31",
      "has_results": false,
      "last_update_posted_date": "2018-05-29",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "Honolulu, Hawaii",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02903186"
    },
    {
      "nct_id": "NCT01184170",
      "title": "Metabolically Normal and Metabolically Abnormal Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "overfeeding",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 71,
      "start_date": "2010-08",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01184170"
    },
    {
      "nct_id": "NCT00565149",
      "title": "PROOF: PROtein OverFeeding Effect on Body Weight",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "PROOF",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "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": 60,
      "start_date": "2005-03",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2021-08-25",
      "last_synced_at": "2026-09-04T04:00:07.359Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00565149"
    }
  ]
}