{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Portal+message+only&page=2",
    "query": {
      "intervention": "Portal message only",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Portal+message+only&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T05:49:02.800Z",
  "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": "NCT00105898",
      "title": "Internet-based Diabetes Education and Case Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Web-based care management",
          "type": "PROCEDURE"
        },
        {
          "name": "Telephone and face-to-face care management",
          "type": "PROCEDURE"
        },
        {
          "name": "Internet access alone",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "25 Years to 79 Years"
      },
      "enrollment_count": 152,
      "start_date": "2005-02",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2015-04-07",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Brockton, Massachusetts",
      "locations": [
        {
          "city": "Brockton",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00105898"
    },
    {
      "nct_id": "NCT04026867",
      "title": "The DETECT HCV Linkage to Care Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Linkage Navigation",
          "type": "OTHER"
        },
        {
          "name": "Clinician Referral",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Denver Health and Hospital Authority",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 309,
      "start_date": "2019-11-20",
      "completion_date": "2024-07-12",
      "has_results": false,
      "last_update_posted_date": "2025-04-24",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04026867"
    },
    {
      "nct_id": "NCT05348603",
      "title": "Electronic Health Record Strategies to Promote Diverse Participation in Research",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patient Participation"
      ],
      "interventions": [
        {
          "name": "Traditional Letter",
          "type": "OTHER"
        },
        {
          "name": "Direct to Patient Message",
          "type": "OTHER"
        },
        {
          "name": "Chatbot",
          "type": "OTHER"
        },
        {
          "name": "Banner",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 726199,
      "start_date": "2022-09-13",
      "completion_date": "2023-11-14",
      "has_results": false,
      "last_update_posted_date": "2023-12-11",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05348603"
    },
    {
      "nct_id": "NCT05693649",
      "title": "Behavioral Economic Approaches for Population-Based Colorectal Cancer Screening",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "No Direct Patient Outreach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Direct Patient Outreach: Colonoscopy Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Direct Patient Outreach: Sequential Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visit-Based Nudge/Text",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Nudge/Text",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "50 Years to 72 Years"
      },
      "enrollment_count": 20000,
      "start_date": "2023-06-07",
      "completion_date": "2026-12-21",
      "has_results": false,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05693649"
    },
    {
      "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": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04533685"
    },
    {
      "nct_id": "NCT05509270",
      "title": "Efficacy of Communication Modalities for Promoting Flu Shots",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza Vaccination",
        "Health Promotion",
        "Health Behavior",
        "Risk Reduction"
      ],
      "interventions": [
        {
          "name": "Letter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient portal",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43225,
      "start_date": "2022-09-06",
      "completion_date": "2022-10-04",
      "has_results": false,
      "last_update_posted_date": "2022-10-12",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05509270"
    },
    {
      "nct_id": "NCT07228819",
      "title": "Sustainability Via Active Garden Education Wellness Implementation Strategies in Early Care and Education",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Implementation Science",
        "Diet, Food, and Nutrition",
        "Child Care",
        "Motor Behavior"
      ],
      "interventions": [
        {
          "name": "SAGE Basic",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SAGE e-support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SAGE in-person support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Learning collaborative",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 871,
      "start_date": "2025-10-02",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-17",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07228819"
    },
    {
      "nct_id": "NCT04323137",
      "title": "Encouraging Flu Vaccination Among High-Risk Patients Identified by ML",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Vaccination",
        "Health Promotion",
        "Health Behavior",
        "Risk Reduction"
      ],
      "interventions": [
        {
          "name": "Risk reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medical records-based recommendation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Algorithm-based recommendation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 117649,
      "start_date": "2020-09-21",
      "completion_date": "2021-09-21",
      "has_results": true,
      "last_update_posted_date": "2024-12-30",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04323137"
    },
    {
      "nct_id": "NCT07553325",
      "title": "Risk-informed Shared-decision Making Engagement Strategy for Patients With Prediabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prediabetes",
        "Prediabetes (Insulin Resistance, Impaired Glucose Tolerance)"
      ],
      "interventions": [
        {
          "name": "Risk Informed Shared Decision-Making Strategy (RISE)",
          "type": "OTHER"
        },
        {
          "name": "Low Touch Messaging Strategy (LTM)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 120,
      "start_date": "2026-08-07",
      "completion_date": "2028-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Frederick, Maryland",
      "locations": [
        {
          "city": "Frederick",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07553325"
    },
    {
      "nct_id": "NCT05503771",
      "title": "Improving Pediatrician Counseling About Infant Safe Sleep Using the Electronic Medical Record",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sudden Infant Death",
        "Sudden Unexplained Infant Death"
      ],
      "interventions": [
        {
          "name": "ISA-MI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care (SOC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Days",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "3 Days to 75 Years"
      },
      "enrollment_count": 350,
      "start_date": "2022-09-30",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-22T05:49:02.800Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05503771"
    }
  ]
}