{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+message",
    "query": {
      "intervention": "Telephone message"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 761,
    "total_pages": 77,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+message&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T23:26:15.078Z",
  "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": "NCT01721226",
      "title": "CARE Corrections: Technology for Jail HIV/HCV Testing, Linkage, and Care (TLC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "Intervention Arm (computer-based CARE+ Corrections tool)",
          "type": "DEVICE"
        },
        {
          "name": "Educational video on opiate overdose prevention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2013-08",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-02-10",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01721226"
    },
    {
      "nct_id": "NCT02279017",
      "title": "mHealth Messages to Sustain Recent Weight Loss - Phase 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "mHealth Texting for Weight Loss",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 100,
      "start_date": "2014-10",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-26",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02279017"
    },
    {
      "nct_id": "NCT04095650",
      "title": "A New Model to Reach Vulnerable Older Adults With Pain Self-management Support",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "STEPS (Seniors using Technology to Engage in Pain Self-management)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2019-09-20",
      "completion_date": "2020-05-14",
      "has_results": false,
      "last_update_posted_date": "2021-01-06",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04095650"
    },
    {
      "nct_id": "NCT06698640",
      "title": "A Trial of AI-Powered Text Message Outreach on Well-Child Visit Completion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Well Child Visit",
        "Gaps in Care"
      ],
      "interventions": [
        {
          "name": "Automated SMS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated SMS + Conversational AI Scheduling Assistance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Traditional Passive Outreach",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Waymark",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "0 Years to 21 Years"
      },
      "enrollment_count": 2821,
      "start_date": "2025-06-01",
      "completion_date": "2026-03-17",
      "has_results": true,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06698640"
    },
    {
      "nct_id": "NCT03576274",
      "title": "Combined Technology Enhanced Home Exercise Program and Other Non-pharmacological Intervention for Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer-related Problem/Condition",
        "Exercise",
        "Acupressure"
      ],
      "interventions": [
        {
          "name": "Technology Enhanced Home Exercise (TEHE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Auricular Point Acupressure (APA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mindfulness body scan (MBI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2019-10-10",
      "completion_date": "2024-09-15",
      "has_results": true,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576274"
    },
    {
      "nct_id": "NCT01453790",
      "title": "Parent Specific Depression Education and Motivation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Symptoms"
      ],
      "interventions": [
        {
          "name": "Parent-Specific Depression Education and Motivation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General Depression Education-Motivation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 104,
      "start_date": "2011-04",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01453790"
    },
    {
      "nct_id": "NCT07173985",
      "title": "Strategies for Optimizing a Mailed FIT Program in Appalachia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colonic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Standard FIT kit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced FIT kit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone patient navigation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text message patient navigation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "45 Years to 74 Years"
      },
      "enrollment_count": 550,
      "start_date": "2026-01-20",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07173985"
    },
    {
      "nct_id": "NCT05412862",
      "title": "Positive Emotions Following Acute Cardiac Events",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Coronary Syndrome",
        "Physical Inactivity"
      ],
      "interventions": [
        {
          "name": "Positive Psychology + Motivational Interviewing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 280,
      "start_date": "2022-09-12",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05412862"
    },
    {
      "nct_id": "NCT03045276",
      "title": "Urological and Renal Disease Engaging Adolescents in Adherence Collaborative Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spina Bifida",
        "Kidney Transplant"
      ],
      "interventions": [
        {
          "name": "Behavioral Feedback and Economic Incentives: Arm 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Feedback and Economic Incentives: Arm 2",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "12 Years to 24 Years"
      },
      "enrollment_count": 465,
      "start_date": "2017-06-29",
      "completion_date": "2022-04-09",
      "has_results": true,
      "last_update_posted_date": "2023-11-09",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 6,
      "location_summary": "Atlanta, Georgia • Chicago, Illinois • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03045276"
    },
    {
      "nct_id": "NCT03548558",
      "title": "Testing Means to Scale Early Childhood Development Interventions in Rural Kenya",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Early Child Development"
      ],
      "interventions": [
        {
          "name": "Group sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group+Home sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Booster sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fathers invited",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 1152,
      "start_date": "2018-10-01",
      "completion_date": "2021-10-15",
      "has_results": true,
      "last_update_posted_date": "2023-10-13",
      "last_synced_at": "2026-09-07T23:26:15.078Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03548558"
    }
  ]
}