{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=20",
    "query": {
      "intervention": "Telephone-based intervention",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 1707,
    "total_pages": 171,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone-based+intervention&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T22:10:51.306Z",
  "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": "NCT01671189",
      "title": "Automated SMS-Based Appointment Validation Tool",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Diabetes Mellitus Type 2",
        "Adult-onset Diabetes"
      ],
      "interventions": [
        {
          "name": "SMS Reminder Software Tool",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medic Mobile",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2012-10",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2012-08-23",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "San Mateo, California",
      "locations": [
        {
          "city": "San Mateo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01671189"
    },
    {
      "nct_id": "NCT04554706",
      "title": "Evaluating a Mobile Phone Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Rumination - Thoughts"
      ],
      "interventions": [
        {
          "name": "Mobile-phone delivered Treatment for Excessive Rumination",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2021-05-06",
      "completion_date": "2021-11-06",
      "has_results": false,
      "last_update_posted_date": "2021-11-10",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04554706"
    },
    {
      "nct_id": "NCT04440449",
      "title": "Effect of Behavioral Lifestyle Intervention on Frailty in Older Adults With Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Frailty",
        "Weight, Body",
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Lifestyle App",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Look AHEAD behavior lifestyle intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Abbreviated Look AHEAD behavior lifestyle intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2019-07-15",
      "completion_date": "2022-04-28",
      "has_results": true,
      "last_update_posted_date": "2022-05-24",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04440449"
    },
    {
      "nct_id": "NCT02341235",
      "title": "Self-monitoring Activity: a Randomized Trial of Game-oriented Applications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Game intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 75 Years · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2015-02",
      "completion_date": "2021-06-30",
      "has_results": true,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02341235"
    },
    {
      "nct_id": "NCT03605368",
      "title": "VR Intervention to Improve Police Safety",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Spectrum Disorder",
        "Autism"
      ],
      "interventions": [
        {
          "name": "Virtual Reality Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Modeling Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "12 Years to 60 Years"
      },
      "enrollment_count": 158,
      "start_date": "2017-11-17",
      "completion_date": "2022-10-12",
      "has_results": true,
      "last_update_posted_date": "2024-03-27",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03605368"
    },
    {
      "nct_id": "NCT04445168",
      "title": "Randomized Trial of Exercise Promotion in Primary Care",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes",
        "Diabetes",
        "Sedentary Behavior"
      ],
      "interventions": [
        {
          "name": "Telephone-based motivational interviews",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 451,
      "start_date": "2020-08-31",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "Pasadena, California",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04445168"
    },
    {
      "nct_id": "NCT03565731",
      "title": "Exercise Values of Life and Vitality Everyday",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity",
        "Lifestyle",
        "Behavior",
        "Lifestyle, Sedentary",
        "Acceptance and Commitment Therapy",
        "Exercise",
        "ACT"
      ],
      "interventions": [
        {
          "name": "ACT-PA",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2018-03-08",
      "completion_date": "2019-09-09",
      "has_results": false,
      "last_update_posted_date": "2020-06-11",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03565731"
    },
    {
      "nct_id": "NCT07553572",
      "title": "Remote Monitoring and Symptom Management Digital Application",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer (Locally Advanced or Metastatic)",
        "Lymphoma",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "ASSIST phone application",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Patrick C. Johnson, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-04-14",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07553572"
    },
    {
      "nct_id": "NCT02861157",
      "title": "Mobile Technology & Online Tools to Track Adherence in Chronic Illness Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "Planet T1D",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "3-C Institute for Social Development",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 200,
      "start_date": "2015-07-01",
      "completion_date": "2016-09-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-30",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02861157"
    },
    {
      "nct_id": "NCT07632053",
      "title": "Postpartum Intervention for Mothers With Opioid Use Disorders (R33)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder",
        "Parent-Child Relations"
      ],
      "interventions": [
        {
          "name": "Mom Power",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2025-07-01",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-20T22:10:51.306Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Stony Brook, New York",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07632053"
    }
  ]
}