{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Childhood+Vaccination&page=2",
    "query": {
      "condition": "Childhood Vaccination",
      "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?condition=Childhood+Vaccination&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T04:21:06.074Z",
  "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": "NCT01199666",
      "title": "Text Message Reminder-Recalls For Early Childhood Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination"
      ],
      "interventions": [
        {
          "name": "Text message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "9 Months to 50 Years"
      },
      "enrollment_count": 2586,
      "start_date": "2011-06",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2014-07-25",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01199666"
    },
    {
      "nct_id": "NCT01117389",
      "title": "Human Papillomavirus (HPV) Vaccination Among Survivors of Childhood Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Papillomavirus"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "26 Years",
        "sex": "FEMALE",
        "summary": "9 Years to 26 Years · Female only"
      },
      "enrollment_count": 587,
      "start_date": "2010-05",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2015-08-27",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01117389"
    },
    {
      "nct_id": "NCT01794286",
      "title": "Improving Childhood Immunization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Improve Childhood Immunization Rates"
      ],
      "interventions": [
        {
          "name": "Provider bulletins",
          "type": "OTHER"
        },
        {
          "name": "Trigger alerts",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "28 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "28 Years to 40 Years"
      },
      "enrollment_count": 107,
      "start_date": "2010-01",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2013-02-18",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01794286"
    },
    {
      "nct_id": "NCT07422337",
      "title": "A Multi-site Study to Evaluate the Persistence of Protective Immunity to Routine Childhood Vaccinations in Participants With B-ALL/Ly Who Have Received Blinatumomab",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "B-Cell ALL",
        "B-Cell Acute Lymphoblastic Leukaemia",
        "B-Cell Lymphoblastic Leukemia",
        "B-Cell Lymphoblastic Leukemia/Lymphoma",
        "B-cell Acute Lymphoblastic Leukemia (B-ALL)",
        "B-cell Acute Lymphoblastic Leukemia",
        "B-cell Childhood Acute Lymphoblastic Leukemia",
        "B-cell Leukemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Arkansas Children's Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "23 Years",
        "sex": "ALL",
        "summary": "1 Year to 23 Years"
      },
      "enrollment_count": 300,
      "start_date": "2026-01-13",
      "completion_date": "2029-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 2,
      "location_summary": "Little Rock, Arkansas • Springdale, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07422337"
    },
    {
      "nct_id": "NCT03246100",
      "title": "Centralized IIS-based Reminder/Recall to Increase Childhood Influenza Vaccination Rates_2nd Trial in Colorado",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Reminder Systems",
        "Influenza Vaccines"
      ],
      "interventions": [
        {
          "name": "Reminders",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 25531,
      "start_date": "2017-09-06",
      "completion_date": "2019-04-30",
      "has_results": false,
      "last_update_posted_date": "2019-06-24",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03246100"
    },
    {
      "nct_id": "NCT07158814",
      "title": "Safety of RSV Preventive Monoclonal Antibody",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Fever",
        "Adverse Event Following Immunisation"
      ],
      "interventions": [
        {
          "name": "Respiratory Syncytial Virus (RSV) Preventive Monoclonal Antibody",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "30 Weeks",
        "sex": "ALL",
        "summary": "6 Weeks to 30 Weeks"
      },
      "enrollment_count": 524,
      "start_date": "2025-10-02",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 6,
      "location_summary": "Oakland, California • Atlanta, Georgia • New York, New York + 2 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07158814"
    },
    {
      "nct_id": "NCT03307642",
      "title": "Evaluation of the School Kids Influenza Prevention Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Influenza Vaccination",
        "School-located Influenza Vaccination"
      ],
      "interventions": [
        {
          "name": "Text message notification",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "4 Years to 19 Years"
      },
      "enrollment_count": 18540,
      "start_date": "2017-12-04",
      "completion_date": "2017-12-22",
      "has_results": false,
      "last_update_posted_date": "2018-03-12",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03307642"
    },
    {
      "nct_id": "NCT06038617",
      "title": "Safety of Simultaneous mRNA COVID-19 Vaccine With Other Childhood Vaccines in Young Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Fever After Vaccination",
        "Fever",
        "Seizures Fever"
      ],
      "interventions": [
        {
          "name": "mRNA COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Routine Childhood Vaccinations",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "4 Years",
        "sex": "ALL",
        "summary": "6 Months to 4 Years"
      },
      "enrollment_count": 347,
      "start_date": "2023-10-30",
      "completion_date": "2025-07-25",
      "has_results": true,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 5,
      "location_summary": "Oakland, California • Atlanta, Georgia • New York, New York + 2 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06038617"
    },
    {
      "nct_id": "NCT01664793",
      "title": "From Innovation to Solutions: Childhood Influenza Vaccination Planning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "4 Pillars Immunization Toolkit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Months to 18 Years"
      },
      "enrollment_count": 87665,
      "start_date": "2010-10",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01664793"
    },
    {
      "nct_id": "NCT01379885",
      "title": "Reducing Immunization Distress (RID)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Standard technique",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parent participation technique",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "4 Years to 6 Years"
      },
      "enrollment_count": 77,
      "start_date": "2011-06",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-02-01",
      "last_synced_at": "2026-07-24T04:21:06.074Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01379885"
    }
  ]
}