{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adolescent+Vaccination&page=4",
    "query": {
      "condition": "Adolescent Vaccination",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 98,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adolescent+Vaccination&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adolescent+Vaccination&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T17:36:36.674Z",
  "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": "NCT01806714",
      "title": "Text Reminders to Immunize in a Managed Care Organization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Text-based reminder for recommended HPV vaccine or WCC",
          "type": "OTHER"
        },
        {
          "name": "Non-specific text-based reminder (general health tip)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 3812,
      "start_date": "2013-07",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01806714"
    },
    {
      "nct_id": "NCT06161831",
      "title": "HPV Vaccine Reminders - SEARCH II Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus Vaccination"
      ],
      "interventions": [
        {
          "name": "Text Message/automated phone reminder",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "14 Years",
        "sex": "FEMALE",
        "summary": "10 Years to 14 Years · Female only"
      },
      "enrollment_count": 396,
      "start_date": "2024-04-22",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06161831"
    },
    {
      "nct_id": "NCT02535845",
      "title": "Developing a Self-persuasion Intervention Promoting Adolescent HPV Vaccination: Feasibility Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus Vaccines"
      ],
      "interventions": [
        {
          "name": "Project Voice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HPV Informational Video",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "11 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2017-12-21",
      "completion_date": "2019-01-31",
      "has_results": true,
      "last_update_posted_date": "2024-01-30",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02535845"
    },
    {
      "nct_id": "NCT06704308",
      "title": "Parents' HPV Stories",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccination"
      ],
      "interventions": [
        {
          "name": "Web Application",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Provider Elaborated Prompts",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Anne E Ray",
      "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": 58,
      "start_date": "2026-10",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06704308"
    },
    {
      "nct_id": "NCT05537103",
      "title": "Adolescents Seeking COVID Vaccination (Teen COVID Vax)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ease Of Access To Covid Vaccine"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "15 Years to 17 Years"
      },
      "enrollment_count": 454,
      "start_date": "2022-09-26",
      "completion_date": "2023-07-12",
      "has_results": false,
      "last_update_posted_date": "2025-01-10",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05537103"
    },
    {
      "nct_id": "NCT02537756",
      "title": "Developing a Self-persuasion Intervention Promoting Adolescent HPV Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus Vaccines"
      ],
      "interventions": [
        {
          "name": "Project Voice",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 737,
      "start_date": "2016-04-05",
      "completion_date": "2019-10-26",
      "has_results": false,
      "last_update_posted_date": "2020-05-18",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02537756"
    },
    {
      "nct_id": "NCT02231957",
      "title": "Text Message Vaccine Reminders for Adolescents With Chronic Medical Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination"
      ],
      "interventions": [
        {
          "name": "educational text message reminders",
          "type": "OTHER"
        },
        {
          "name": "conventional text message reminders",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "11 Years and older"
      },
      "enrollment_count": 416,
      "start_date": "2014-07",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-30",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02231957"
    },
    {
      "nct_id": "NCT06838000",
      "title": "Study of the Safety and Immunogenicity of Catch-up Vaccination With a 21-valent Pneumococcal Conjugate Vaccine (PCV21) in Healthy Infants, Toddlers, Children, and Adolescents",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "PCV21",
          "type": "BIOLOGICAL"
        },
        {
          "name": "20vPCV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Months to 17 Years"
      },
      "enrollment_count": 1268,
      "start_date": "2025-02-28",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 17,
      "location_summary": "Paramount, California • Doral, Florida • Hialeah, Florida + 13 more",
      "locations": [
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06838000"
    },
    {
      "nct_id": "NCT05293392",
      "title": "Improving COVID-19 Vaccine Uptake Among Black and Latino Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Culturally-Tailored COVID-19 Vaccine Uptake Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nemours Children's Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 5792,
      "start_date": "2022-01-31",
      "completion_date": "2022-05-20",
      "has_results": true,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05293392"
    },
    {
      "nct_id": "NCT03604393",
      "title": "Increasing HPV Immunization Rates: The Rural Adolescent Vaccine Enterprise",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Practice facilitation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 22000,
      "start_date": "2019-06-01",
      "completion_date": "2023-06",
      "has_results": false,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-10-17T17:36:36.674Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03604393"
    }
  ]
}