{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phone-based+weight+loss+intervention&page=3",
    "query": {
      "intervention": "Phone-based weight loss intervention",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "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=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phone-based+weight+loss+intervention&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T03:12:20.421Z",
  "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": "NCT04867902",
      "title": "Gaining Optimism After Weight Loss Surgery (GOALS) I",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bariatric Surgery"
      ],
      "interventions": [
        {
          "name": "Positive Psychology-Motivational Interviewing Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2021-06-29",
      "completion_date": "2022-06-22",
      "has_results": true,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04867902"
    },
    {
      "nct_id": "NCT01827800",
      "title": "New Media Obesity Treatment in Community Health Centers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "eHealth weight loss intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 351,
      "start_date": "2013-06",
      "completion_date": "2018-07-31",
      "has_results": false,
      "last_update_posted_date": "2018-08-13",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01827800"
    },
    {
      "nct_id": "NCT04868032",
      "title": "Gaining Optimism After Weight Loss Surgery (GOALS) II",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bariatric Surgery"
      ],
      "interventions": [
        {
          "name": "Positive Psychology-Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical Activity Education Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2022-07-01",
      "completion_date": "2025-06-03",
      "has_results": true,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04868032"
    },
    {
      "nct_id": "NCT02466061",
      "title": "TREC Lifestyle Beyond Cancer Study in Endometrial Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "Telemedicine Weight Management plus Wi-Fi Scale (Arm A)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text for Diet (Text4Diet) Group (Arm B)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care Group (Arm C)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "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": 207,
      "start_date": "2014-07",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-06-02",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • St Louis, Missouri • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02466061"
    },
    {
      "nct_id": "NCT06055972",
      "title": "Impact of Patient-Centered Approach for Communicating Coronary Calcium on Cardiovascular Health",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Cardiovascular Diseases",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Educational Letter Post CT Examination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "American College of Radiology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 800,
      "start_date": "2023-12-19",
      "completion_date": "2025-02-02",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Seattle, Washington",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06055972"
    },
    {
      "nct_id": "NCT02244411",
      "title": "Exercise and QUality Diet After Leukemia: The EQUAL Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adult Survivors of Childhood Leukemia"
      ],
      "interventions": [
        {
          "name": "individual diet & physical activity counselor and website through Healthways at Hopkins",
          "type": "BEHAVIORAL"
        },
        {
          "name": "self directed weight loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "fasting blood draw, measurement of height, weight and waist circumference, and blood pressure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 358,
      "start_date": "2014-09",
      "completion_date": "2025-07-16",
      "has_results": true,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 2,
      "location_summary": "New York, New York • Memphis, Tennessee",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02244411"
    },
    {
      "nct_id": "NCT05028205",
      "title": "EBT Fruit and Vegetable Prescription",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Obesity",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Prevention Plus",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "4 Years to 10 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-08-16",
      "completion_date": "2026-12-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 2,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05028205"
    },
    {
      "nct_id": "NCT07582536",
      "title": "Optimization of Dietary Adherence in a Mobile Weight Loss Intervention",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and/or Obesity"
      ],
      "interventions": [
        {
          "name": "Core",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Switch to Simplified Diet Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Goal Autonomy/Planning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Just-in-time (JIT) Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coach Sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 580,
      "start_date": "2027-03",
      "completion_date": "2029-10",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07582536"
    },
    {
      "nct_id": "NCT02110641",
      "title": "Lifestyle, Exercise and Nutrition Study 2 (LEAN 2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Weight Loss Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 51,
      "start_date": "2013-11",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02110641"
    },
    {
      "nct_id": "NCT02997943",
      "title": "SMART Weight Loss Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Step 1 Treatment: APP",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 1 Treatment: APP + Coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 2 Treatment Strategy: Modest Step-up",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 2 Treatment Strategy: Vigorous Step-up",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 400,
      "start_date": "2017-06-19",
      "completion_date": "2021-03-18",
      "has_results": false,
      "last_update_posted_date": "2021-05-18",
      "last_synced_at": "2026-10-18T03:12:20.421Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02997943"
    }
  ]
}