{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phone-based+weight+loss+intervention&page=2",
    "query": {
      "intervention": "Phone-based weight loss intervention",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 109,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phone-based+weight+loss+intervention&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phone-based+weight+loss+intervention&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T17:08:09.940Z",
  "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": "NCT01433484",
      "title": "Heart-Healthy Lenoir Lifestyle Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Maintenance of Weight Loss--Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Maintenance of Weight Loss--Experimental",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 339,
      "start_date": "2011-09",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "Kinston, North Carolina",
      "locations": [
        {
          "city": "Kinston",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01433484"
    },
    {
      "nct_id": "NCT04872647",
      "title": "Pilot of Virtual Health Coaching Utilizing Lifestyle for Under-Resourced Patients With Type II Diabetes",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Phone-Based Health Coaching Utilizing Lifestyle Action Plans",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Beacon Health System",
      "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": 45,
      "start_date": "2020-12-18",
      "completion_date": "2021-05-20",
      "has_results": false,
      "last_update_posted_date": "2021-05-04",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "South Bend, Indiana",
      "locations": [
        {
          "city": "South Bend",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04872647"
    },
    {
      "nct_id": "NCT03801174",
      "title": "Using Partners to Enhance Long-Term Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Partner-assisted intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient-only intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 346,
      "start_date": "2019-01-15",
      "completion_date": "2023-03-20",
      "has_results": true,
      "last_update_posted_date": "2024-06-06",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03801174"
    },
    {
      "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": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03874988"
    },
    {
      "nct_id": "NCT05040152",
      "title": "Weight Loss Intervention for the Reduction of Cancer Risk and Health Disparities in Rural Ohio",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity-Related Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Dietary Counseling and Surveillance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise Intervention",
          "type": "OTHER"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "20 Years to 64 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-11-06",
      "completion_date": "2022-05-17",
      "has_results": true,
      "last_update_posted_date": "2025-06-17",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05040152"
    },
    {
      "nct_id": "NCT05921565",
      "title": "M-POWER Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Reduction",
        "Adherence, Patient"
      ],
      "interventions": [
        {
          "name": "Interventional Behavioral Arm",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "18 Years to 84 Years"
      },
      "enrollment_count": 26,
      "start_date": "2019-03-11",
      "completion_date": "2023-11-08",
      "has_results": false,
      "last_update_posted_date": "2023-11-09",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05921565"
    },
    {
      "nct_id": "NCT02163252",
      "title": "Using a State-wide Initiative to Disseminate Effective Behavioral Weight Loss Strategies: Study 5",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Standard",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Early Intervention",
          "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": 110,
      "start_date": "2014-02",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2015-02-19",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02163252"
    },
    {
      "nct_id": "NCT04753359",
      "title": "Mediterranean Diet and Weight Loss: Targeting the Bile Acid/Gut Microbiome Axis to Reduce Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Diet Habit"
      ],
      "interventions": [
        {
          "name": "Med",
          "type": "OTHER"
        },
        {
          "name": "WL",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 180,
      "start_date": "2022-02-01",
      "completion_date": "2025-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04753359"
    },
    {
      "nct_id": "NCT03680703",
      "title": "Bariatric Scalable Internet Treatments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bariatric Surgery",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Guided Self-Help Behavioral Weight Loss",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "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": 33,
      "start_date": "2018-07-20",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-07",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03680703"
    },
    {
      "nct_id": "NCT02815813",
      "title": "Lifestyle Intervention for Young Adults With Serious Mental Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Bipolar Disorder",
        "Major Depressive Disorder",
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "PeerFIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "BEAT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 150,
      "start_date": "2017-07-03",
      "completion_date": "2022-05-31",
      "has_results": true,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-10-17T17:08:09.940Z",
      "location_count": 2,
      "location_summary": "New Britain, Connecticut • Nashua, New Hampshire",
      "locations": [
        {
          "city": "New Britain",
          "state": "Connecticut"
        },
        {
          "city": "Nashua",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02815813"
    }
  ]
}