{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Text+message+appointment+reminder",
    "query": {
      "intervention": "Text message appointment reminder"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Text+message+appointment+reminder&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T06:02:51.584Z",
  "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": "NCT01641380",
      "title": "Meaningful Use of Technology to Improve Health Care Delivery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraceptive Behavior"
      ],
      "interventions": [
        {
          "name": "Text Messaging Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 21 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2011-01",
      "completion_date": "2017-09-01",
      "has_results": true,
      "last_update_posted_date": "2021-03-02",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01641380"
    },
    {
      "nct_id": "NCT01676337",
      "title": "Text Message Appointment Reminders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Text Messages",
        "Emergencies"
      ],
      "interventions": [
        {
          "name": "Text message appointment reminder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 374,
      "start_date": "2012-07",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01676337"
    },
    {
      "nct_id": "NCT07636187",
      "title": "Preventive Reminder Ordering AssistanCe Via Texting for Improved Visit Encounters",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior, Health"
      ],
      "interventions": [
        {
          "name": "Pre-visit and post-visit patient messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Default pended order",
          "type": "BEHAVIORAL"
        },
        {
          "name": "EHR communication",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16416,
      "start_date": "2026-07-28",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07636187"
    },
    {
      "nct_id": "NCT07279129",
      "title": "Decision Support Tool to Integrate PrEP Into Emergency Departments",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Decision support tool",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PrEP Delivery",
          "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": 120,
      "start_date": "2027-01-15",
      "completion_date": "2028-09-09",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Baltimore, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07279129"
    },
    {
      "nct_id": "NCT04519970",
      "title": "Clinical Opportunities and Management to Exploit Biktarvy as Asynchronous Connection Key (COMEBACK)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiv"
      ],
      "interventions": [
        {
          "name": "Case Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Gregory Huhn",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2020-09-03",
      "completion_date": "2024-04-06",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04519970"
    },
    {
      "nct_id": "NCT05052190",
      "title": "Patient Portal Flu Vaccine Reminders_RCT 4",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Text Message R/R with Direct Appointment Schedule Link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Message R/R without Direct Appointment Schedule Link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Pre-Appointment Reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal Message R/R with Direct Appointment Schedule Link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal Message R/R without Direct Appointment Schedule Link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal Pre-Appointment Reminder",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 239567,
      "start_date": "2021-10-14",
      "completion_date": "2022-04-01",
      "has_results": true,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05052190"
    },
    {
      "nct_id": "NCT07599943",
      "title": "Population Health Management -Increase Lung Cancer Screening in Community Health Centers (LungSMART)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Text Messages (TM+)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Chatbot (CA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video (VID)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reactive Patient Navigation (RPN)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Proactive Patient Navigation (PPN)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 18894,
      "start_date": "2026-08",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07599943"
    },
    {
      "nct_id": "NCT05586165",
      "title": "Effects of Prompt to Bundle COVID-19 Booster and Flu Shot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Vaccines"
      ],
      "interventions": [
        {
          "name": "Reminder to boost protection against COVID-19",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Flu Tag Along",
          "type": "BEHAVIORAL"
        },
        {
          "name": "COVID-19 Booster & Flu Bundle",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 109493,
      "start_date": "2022-10-18",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-05",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05586165"
    },
    {
      "nct_id": "NCT04739462",
      "title": "SMS Maama Project COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy Complications",
        "Birth Injuries"
      ],
      "interventions": [
        {
          "name": "mHealth Platform",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 248,
      "start_date": "2021-09-28",
      "completion_date": "2021-10-21",
      "has_results": false,
      "last_update_posted_date": "2022-04-14",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04739462"
    },
    {
      "nct_id": "NCT01731496",
      "title": "The Efficacy of Reminders to Complete HPV Series",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Completion of Three Dose Series of HPV",
        "Improvement in Vaccine Intervals Between HPV Doses"
      ],
      "interventions": [
        {
          "name": "Telephone reminder",
          "type": "OTHER"
        },
        {
          "name": "Text Message reminder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "10 Years to 21 Years"
      },
      "enrollment_count": 749,
      "start_date": "2012-04",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-02-06",
      "last_synced_at": "2026-09-04T06:02:51.584Z",
      "location_count": 3,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01731496"
    }
  ]
}