{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+message&page=12",
    "query": {
      "intervention": "Telephone message",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 769,
    "total_pages": 77,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+message&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+message&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T05:35:43.098Z",
  "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": "NCT01852656",
      "title": "Effectiveness of Influenza Vaccine Reminder Systems",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma",
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Postcard and IVR Reminder Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Postcard Only Reminder Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IVR Only Reminder Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "19 Years to 64 Years"
      },
      "enrollment_count": 12255,
      "start_date": "2012-09",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2013-05-14",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01852656"
    },
    {
      "nct_id": "NCT01548183",
      "title": "Text-message Program to Reduce Risky Sexual Behavior in Young Adult Female Emergency Department (ED) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Education, Sex"
      ],
      "interventions": [
        {
          "name": "Lifestyle counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 25 Years · Female only"
      },
      "enrollment_count": 52,
      "start_date": "2011-08",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01548183"
    },
    {
      "nct_id": "NCT01609842",
      "title": "Hybrid Effectiveness-Implementation Study to Improve Clopidogrel Adherence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease",
        "Acute Coronary Syndrome"
      ],
      "interventions": [
        {
          "name": "Multifaceted Intervention with pharmacist and IVR",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "91 Years",
        "sex": "ALL",
        "summary": "18 Years to 91 Years"
      },
      "enrollment_count": 14573,
      "start_date": "2014-01-20",
      "completion_date": "2022-02-07",
      "has_results": true,
      "last_update_posted_date": "2023-07-21",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 15,
      "location_summary": "Aurora, Colorado • Washington D.C., District of Columbia • Gainesville, Florida + 12 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01609842"
    },
    {
      "nct_id": "NCT04657250",
      "title": "mHealth for Smoking Cessation in Public Housing",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smoking cessation + quitline linkage text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Passive quitline referral",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-10-26",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-08",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "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/NCT04657250"
    },
    {
      "nct_id": "NCT00696449",
      "title": "Analysis of Adherence in Subjects Undergoing Differin Gel, 0.1% Treatment of Moderate to Severe Acne Vulgaris",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Adapalene",
          "type": "DRUG"
        },
        {
          "name": "frequent visits",
          "type": "BEHAVIORAL"
        },
        {
          "name": "electronic reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parent reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "13 Years to 18 Years"
      },
      "enrollment_count": 61,
      "start_date": "2006-06",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2018-09-10",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00696449"
    },
    {
      "nct_id": "NCT01691235",
      "title": "SIMpill Medication Dispensing Device in the Treatment of HCV",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Hepatitis C Virus"
      ],
      "interventions": [
        {
          "name": "SIMpill device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "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": 0,
      "start_date": "2012-09",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2014-10-08",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691235"
    },
    {
      "nct_id": "NCT02202096",
      "title": "A Pilot Randomized Trial of a Comprehensive Transitional Care Program for Colorectal Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Comprehensive Transitional Care Program"
      ],
      "interventions": [
        {
          "name": "Patient education: One-on-one visit",
          "type": "OTHER"
        },
        {
          "name": "Discharge planning: Assessment of barriers to discharge",
          "type": "OTHER"
        },
        {
          "name": "Medication reconciliation: Patient medication review",
          "type": "OTHER"
        },
        {
          "name": "Appointment before discharge: Additional measure to ensure awareness of next clinic visit",
          "type": "OTHER"
        },
        {
          "name": "Transition coach",
          "type": "OTHER"
        },
        {
          "name": "Patient-centered discharge instructions: Enhanced",
          "type": "OTHER"
        },
        {
          "name": "Provider continuity: Specific surgeons responsible for coordinating care with medical/radiation oncology",
          "type": "OTHER"
        },
        {
          "name": "Timely follow-up: Barriers to clinic follow-up visits will be discussed",
          "type": "OTHER"
        },
        {
          "name": "Timely PCP communication",
          "type": "OTHER"
        },
        {
          "name": "Follow-up telephone call",
          "type": "OTHER"
        },
        {
          "name": "Patient hotline: 24 hour follow-up following call to Ask My Nurse number",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2015-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-06-14",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02202096"
    },
    {
      "nct_id": "NCT00214474",
      "title": "Improving Diabetes Efforts Across Language and Literacy (IDEALL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "ATSM Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "GMV Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Agency for Healthcare Research and Quality (AHRQ)",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 339,
      "start_date": "2002-11",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2013-02-13",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00214474"
    },
    {
      "nct_id": "NCT01200459",
      "title": "SMART: A Social and Mobile Weight Control Program for Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Social/mobile weight loss promotion intervention.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 404,
      "start_date": "2011-05",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-12-08",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01200459"
    },
    {
      "nct_id": "NCT00310362",
      "title": "Use of Telehealth In-home Messaging to Improve GI (Gastrointestinal) Endoscopy Completion Rates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Use of Interactive Voice Response (IVR) system to improve adherence to GI appointments and prep procedures",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3610,
      "start_date": "2007-07",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2020-06-30",
      "last_synced_at": "2026-10-24T05:35:43.098Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00310362"
    }
  ]
}