{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=50",
    "query": {
      "intervention": "Telephone-based intervention",
      "page": 50
    },
    "page_size": 10
  },
  "pagination": {
    "page": 50,
    "page_size": 10,
    "total_count": 1710,
    "total_pages": 171,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=51&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=49&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T07:54:09.749Z",
  "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": "NCT02840435",
      "title": "Study on Sit to Quit Phone Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Sit to Quit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quit for Life",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2016-09",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2019-09-13",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02840435"
    },
    {
      "nct_id": "NCT05014984",
      "title": "WOOP VA: Promoting Weight Management in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "mental contrasting with implementation intentions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "telephone-delivered, telehealth-delivered, and or in-person MOVE! or TeleMOVE!",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information About Diet, Physical Activity, and Weight Management (Baseline Visit - 10 minutes): All",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone MCII Check-ins (30 minutes at 3 days, 4 weeks, and 2 months after baseline visit)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 405,
      "start_date": "2022-02-15",
      "completion_date": "2026-02-11",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05014984"
    },
    {
      "nct_id": "NCT03921840",
      "title": "A Personalized Behavioral Intervention for Older Adults With Musculoskeletal Pain and Sleep Complaints",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Pain"
      ],
      "interventions": [
        {
          "name": "ELDERFITNESS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 27,
      "start_date": "2019-07-01",
      "completion_date": "2020-09-10",
      "has_results": true,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03921840"
    },
    {
      "nct_id": "NCT02653768",
      "title": "STepped Exercise Program for Knee OsteoArthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Stepped Exercise Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Arthritis Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 345,
      "start_date": "2016-07-01",
      "completion_date": "2019-07-26",
      "has_results": true,
      "last_update_posted_date": "2024-02-14",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02653768"
    },
    {
      "nct_id": "NCT04546971",
      "title": "Using Telehealth to Address Alcohol Misuse in HIV Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Drinking",
        "HIV Viremia"
      ],
      "interventions": [
        {
          "name": "Brief Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telehealth Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 226,
      "start_date": "2021-06-22",
      "completion_date": "2026-09-13",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04546971"
    },
    {
      "nct_id": "NCT03442192",
      "title": "A Comparative Effectiveness Demonstration Project for Linkage and Retention in PrEP Care for Men Who Have Sex With Men",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adherence, Patient"
      ],
      "interventions": [
        {
          "name": "PrEP Care Anywhere Services",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "MALE",
        "summary": "18 Years to 99 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2018-07-30",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-12-09",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03442192"
    },
    {
      "nct_id": "NCT03270111",
      "title": "High Physical Activity During a Weight Loss Intervention for Breast Cancer Survivors and High Risk Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer Female"
      ],
      "interventions": [
        {
          "name": "Supervised Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home-based Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced Energy Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group Phone Calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Carol Fabian, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 70 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2017-09-25",
      "completion_date": "2018-07-24",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03270111"
    },
    {
      "nct_id": "NCT07481214",
      "title": "Lupus Walking Intervention to Address Fatigue/Quality of Life",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "System Lupus Erythematosus(SLE)"
      ],
      "interventions": [
        {
          "name": "guided increases in daily walking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2022-07-01",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07481214"
    },
    {
      "nct_id": "NCT03824145",
      "title": "Every Day Counts: A Lifestyle Program for Women With Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Lifestyle Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": 180,
      "start_date": "2022-11-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 2,
      "location_summary": "Maywood, Illinois • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03824145"
    },
    {
      "nct_id": "NCT03398902",
      "title": "Personalizing Sleep Interventions to Prevent Type 2 Diabetes in Community Dwelling Adults With Pre-Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes"
      ],
      "interventions": [
        {
          "name": "Sleep extension",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Habitual sleep",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "New York University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "21 Years to 64 Years"
      },
      "enrollment_count": 393,
      "start_date": "2021-03-15",
      "completion_date": "2023-09-18",
      "has_results": true,
      "last_update_posted_date": "2025-09-04",
      "last_synced_at": "2026-10-26T07:54:09.749Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03398902"
    }
  ]
}