{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tailored+Vaccine+Messaging&page=2",
    "query": {
      "intervention": "Tailored Vaccine Messaging",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 30,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tailored+Vaccine+Messaging&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tailored+Vaccine+Messaging&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T19:07:02.346Z",
  "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": "NCT05910879",
      "title": "RADx-UP Phase 3D (Oregon Saludable: Juntos Podemos)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior",
        "Health Care Utilization",
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "Self-Affirmation Implementation Intentions (SAII) Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Promotores de Salud (Health Education)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 625,
      "start_date": "2023-04-22",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05910879"
    },
    {
      "nct_id": "NCT05234372",
      "title": "MiVacunaLA: an Intervention to Improve COVID-19 Vaccination Behaviors Among Latinos",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19 Pandemic"
      ],
      "interventions": [
        {
          "name": "mivacunaLA",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 468,
      "start_date": "2022-06-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Malibu, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Malibu",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05234372"
    },
    {
      "nct_id": "NCT06831929",
      "title": "HPV Ends Here: Increasing Uptake of the HPV Vaccine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccine"
      ],
      "interventions": [
        {
          "name": "Intervention Arm",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "10 Years to 12 Years"
      },
      "enrollment_count": 2232,
      "start_date": "2025-02-28",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06831929"
    },
    {
      "nct_id": "NCT02797054",
      "title": "Educational Intervention to Improve HPV Vaccination Decision Quality",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccination Decision Quality"
      ],
      "interventions": [
        {
          "name": "Tailored educational materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Untailored educational materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1205,
      "start_date": "2014-06",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2018-09-21",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02797054"
    },
    {
      "nct_id": "NCT07132125",
      "title": "Conversations With AI Chatbots Increase Short-Term Vaccine Intentions But Do Not Outperform Standard Public Health Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccination Intent"
      ],
      "interventions": [
        {
          "name": "Default-style LLM chatbot",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Conversational-style LLM chatbot",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Public health informational materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 930,
      "start_date": "2025-03-17",
      "completion_date": "2025-05-22",
      "has_results": false,
      "last_update_posted_date": "2025-08-20",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07132125"
    },
    {
      "nct_id": "NCT02145156",
      "title": "Educational Intervention to Minimize Disparities in Humanpapillomavirus Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccination Status"
      ],
      "interventions": [
        {
          "name": "Tailored educational materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Untailored educational materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey-only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1294,
      "start_date": "2014-06",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145156"
    },
    {
      "nct_id": "NCT06156228",
      "title": "Multilevel Intervention of COVID-19 Vaccine Uptake Among Latinos",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "Multilevel Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2024-03-06",
      "completion_date": "2025-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 2,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06156228"
    },
    {
      "nct_id": "NCT06482450",
      "title": "Improving Vaccine Acceptance Through EHR Integrated Patient- and Provider-Facing Decision Support",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Hesitancy",
        "Vaccine Refusal"
      ],
      "interventions": [
        {
          "name": "LetsTalkShots (patient-facing CDS)",
          "type": "OTHER"
        },
        {
          "name": "LetsTalkShots (provider-facing CDS)",
          "type": "OTHER"
        },
        {
          "name": "Appointment Reminder Message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3600,
      "start_date": "2025-06-11",
      "completion_date": "2026-08-24",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06482450"
    },
    {
      "nct_id": "NCT07878442",
      "title": "Tailored Vaccine Messaging for Parents/Caregivers of Adolescents",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Confidence",
        "Adolescent Vaccination",
        "Vaccine Uptake"
      ],
      "interventions": [
        {
          "name": "Tailored Vaccine Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Vaccine Message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2026-10",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07878442"
    },
    {
      "nct_id": "NCT04380623",
      "title": "A Tailored, Health Communication Intervention for HPV Vaccine Hesitant Families",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus",
        "HPV-Related Carcinoma",
        "Vaccine Refusal",
        "Parents",
        "Program, Communication"
      ],
      "interventions": [
        {
          "name": "Mobile Phone-Based Web-Page: HPV vaccine",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Meharry Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 244,
      "start_date": "2021-02-15",
      "completion_date": "2024-05-30",
      "has_results": false,
      "last_update_posted_date": "2021-09-08",
      "last_synced_at": "2026-10-17T19:07:02.346Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04380623"
    }
  ]
}