{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Food-based+diet+plan+for+weight+loss+and+weight+maintenance",
    "query": {
      "intervention": "Food-based diet plan for weight loss and weight maintenance"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T23:48:34.284Z",
  "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": "NCT04605653",
      "title": "Individualized Diet Improvement Program for Weight Loss and Maintenance, Cohort 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss",
        "Diet Habit"
      ],
      "interventions": [
        {
          "name": "Weight Management Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 14,
      "start_date": "2018-01-23",
      "completion_date": "2019-07-28",
      "has_results": false,
      "last_update_posted_date": "2020-11-03",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04605653"
    },
    {
      "nct_id": "NCT06800794",
      "title": "Investigating Metabolic and Psychological Adaptations in a Clinical Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity and Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Behavioral Skill Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Meal Provisioning",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2025-07-16",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06800794"
    },
    {
      "nct_id": "NCT00415974",
      "title": "PACE-PC: Primary Care Management of Adolescent Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Physician Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Educator",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health promotion materials on physical activity and nutrition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "11 Years to 13 Years"
      },
      "enrollment_count": 106,
      "start_date": "2008-02",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2012-08-16",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00415974"
    },
    {
      "nct_id": "NCT04130698",
      "title": "Comparing Two Treatments That Both Target Smoking Cessation and Weight Loss at the Same Time.",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Distress Tolerance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "transdermal nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Active Health Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Rhode Island College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-06-01",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04130698"
    },
    {
      "nct_id": "NCT05587790",
      "title": "EMPOWER Rural Extension Weight Management Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Weight Management Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 16,
      "start_date": "2022-05-09",
      "completion_date": "2023-05-23",
      "has_results": false,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 3,
      "location_summary": "Freeport, Illinois • Hillsboro, Illinois • Marshall, Illinois",
      "locations": [
        {
          "city": "Freeport",
          "state": "Illinois"
        },
        {
          "city": "Hillsboro",
          "state": "Illinois"
        },
        {
          "city": "Marshall",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05587790"
    },
    {
      "nct_id": "NCT05410574",
      "title": "Family-Based Behavioral Treatment for Childhood Survivors of Acute Lymphoblastic Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Family-based Behavioral Weight Loss Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2022-07-22",
      "completion_date": "2024-03-26",
      "has_results": false,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05410574"
    },
    {
      "nct_id": "NCT07228130",
      "title": "Microrandomized Trial to Optimize Use of Burden-reducing Self-monitoring Approaches in Behavioral Obesity Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity & Overweight"
      ],
      "interventions": [
        {
          "name": "Online Behavioral Obesity Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Full Dietary Self-monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced-frequency Dietary Self-monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Monitoring of Dietary Lapses Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smartwatch-based Self-monitoring of Energy Intake",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-monitoring of Body Weight Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 275,
      "start_date": "2026-01-07",
      "completion_date": "2029-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07228130"
    },
    {
      "nct_id": "NCT04635722",
      "title": "EMPOWER Weight Management",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss",
        "Diet Habit"
      ],
      "interventions": [
        {
          "name": "Weight Management Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 31,
      "start_date": "2021-06-11",
      "completion_date": "2023-08-11",
      "has_results": false,
      "last_update_posted_date": "2023-07-13",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04635722"
    },
    {
      "nct_id": "NCT04605640",
      "title": "Individualized Diet Improvement Program for Weight Loss and Maintenance, Cohort 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss",
        "Diet Habit"
      ],
      "interventions": [
        {
          "name": "Weight Management Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-03-26",
      "completion_date": "2021-04-10",
      "has_results": false,
      "last_update_posted_date": "2021-07-23",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04605640"
    },
    {
      "nct_id": "NCT01011491",
      "title": "Comparison of Medifast's 5 & 1 Plan to a Food-based Plan of Equal Calories",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Medifast 5 & 1 Plan for weight loss and weight maintenance",
          "type": "OTHER"
        },
        {
          "name": "Food-based diet plan for weight loss and weight maintenance",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medifast, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 90,
      "start_date": "2008-03",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2009-11-11",
      "last_synced_at": "2026-10-10T23:48:34.284Z",
      "location_count": 1,
      "location_summary": "Owings Mills, Maryland",
      "locations": [
        {
          "city": "Owings Mills",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01011491"
    }
  ]
}