{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Portal+Pre-Appointment+Reminder",
    "query": {
      "intervention": "Portal Pre-Appointment Reminder"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T12:10:24.422Z",
  "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": "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": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05052190"
    },
    {
      "nct_id": "NCT05525494",
      "title": "Patient Portal Flu Vaccine Reminders (5)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Text Fixed R/R Messages with Direct Appointment Schedule Link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Pre-Appointment Reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal Fixed R/R Messages with 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": 262085,
      "start_date": "2022-09-07",
      "completion_date": "2023-04-01",
      "has_results": true,
      "last_update_posted_date": "2024-08-07",
      "last_synced_at": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05525494"
    },
    {
      "nct_id": "NCT06347172",
      "title": "Deprescribing in Patients Living With Dementia With Caregiver and Provider Nudges",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Mild Cognitive Impairment",
        "Dementia"
      ],
      "interventions": [
        {
          "name": "Nudge Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 262,
      "start_date": "2024-08-01",
      "completion_date": "2025-12-15",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06347172"
    },
    {
      "nct_id": "NCT06872346",
      "title": "Personalized Risk-based Follow-up of Cervical Cancer Screening in Practice, RCT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Cancer Screening"
      ],
      "interventions": [
        {
          "name": "Visit-based IT reminders to patients and practitioners",
          "type": "OTHER"
        },
        {
          "name": "Population outreach",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 70 Years · Female only"
      },
      "enrollment_count": 7500,
      "start_date": "2026-07-22",
      "completion_date": "2029-01-22",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06872346"
    },
    {
      "nct_id": "NCT04983641",
      "title": "Pre-visit Digital Messaging Improves Patient Reported Outcome Measure Participation Prior to the Orthopedic Ambulatory Visit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Orthopedic Disorder"
      ],
      "interventions": [
        {
          "name": "Pre-Visit Messages",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 291,
      "start_date": "2020-08-01",
      "completion_date": "2020-12-07",
      "has_results": false,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04983641"
    },
    {
      "nct_id": "NCT04533685",
      "title": "Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- UCLA Portal R/R Influenza RCT 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Portal Reminders for Influenza Vaccination: Direct scheduling link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal Reminders for Influenza Vaccination: No direct scheduling link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pre-Commitment Prompt",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pre-Appointment flu vaccine reminders",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Months and older"
      },
      "enrollment_count": 213773,
      "start_date": "2020-09-01",
      "completion_date": "2021-04-01",
      "has_results": true,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04533685"
    },
    {
      "nct_id": "NCT07314697",
      "title": "Arrival Time Implementation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Care"
      ],
      "interventions": [
        {
          "name": "Behaviorally informed appointment communications",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control appointment communications",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300000,
      "start_date": "2026-01-05",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07314697"
    },
    {
      "nct_id": "NCT03923790",
      "title": "Stroke Telemedicine Outpatient Prevention Program for Blood Pressure Reduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke Prevention",
        "Blood Pressure",
        "Telemedicine",
        "Psychosocial Impairment"
      ],
      "interventions": [
        {
          "name": "Educational Packet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone call at 72 hours by discharge nurse navigator",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telehealth visit at 7 days, 1 month, 3 months, and 5 months after discharge",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational messages every other week",
          "type": "BEHAVIORAL"
        },
        {
          "name": "BP monitoring by QardioARM with periodic transmission of BP data",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "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": 83,
      "start_date": "2019-03-04",
      "completion_date": "2021-10-14",
      "has_results": true,
      "last_update_posted_date": "2022-11-09",
      "last_synced_at": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03923790"
    },
    {
      "nct_id": "NCT07322367",
      "title": "A Mobile Patient Health Technology Intervention for Improving Lung Cancer Screening Rates in Eligible High Risk Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Portal Message with Reminder Text Messages",
          "type": "OTHER"
        },
        {
          "name": "Text Message with Reminder Text Messages",
          "type": "OTHER"
        },
        {
          "name": "Portal message only",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "50 Years to 77 Years"
      },
      "enrollment_count": 27000,
      "start_date": "2026-03-25",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-09-16T12:10:24.422Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07322367"
    }
  ]
}