{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vaccinated&page=2",
    "query": {
      "intervention": "vaccinated",
      "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=vaccinated&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T23:22:42.536Z",
  "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": "NCT06848309",
      "title": "Dissecting Human Immune Responses to Infection With Influenza or SARS-CoV-2",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza",
        "SARS-CoV-2 (COVID-19) Infection",
        "Immune Response of Host"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 300,
      "start_date": "2025-03-07",
      "completion_date": "2029-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06848309"
    },
    {
      "nct_id": "NCT06036134",
      "title": "Reducing COVID-19 Vaccine Hesitancy Among Hispanic Parents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine-Preventable Diseases",
        "COVID-19 Pandemic",
        "Health-Related Behavior",
        "Health Knowledge, Attitudes, Practice",
        "Narration"
      ],
      "interventions": [
        {
          "name": "Baseline surveys",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital Storytelling Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information Control Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona 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": 80,
      "start_date": "2023-12-01",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06036134"
    },
    {
      "nct_id": "NCT01164553",
      "title": "Comparison of Flu Vaccine Doses in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent Inactivated Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "35 Months",
        "sex": "ALL",
        "summary": "6 Months to 35 Months"
      },
      "enrollment_count": 243,
      "start_date": "2010-10",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2013-04-29",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 7,
      "location_summary": "Atlanta, Georgia • Iowa City, Iowa • Baltimore, Maryland + 3 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01164553"
    },
    {
      "nct_id": "NCT05925127",
      "title": "Phase 2/3 Heterologous Boosting Study With Different Dose Levels of Monovalent SARS-CoV-2 rS Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "NVX-CoV2373 (5μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NVX-CoV2601(5μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NVX-CoV2601(35μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NVX-CoV2601(50μg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bivalent BA.4/5",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "50 Years to 99 Years"
      },
      "enrollment_count": 994,
      "start_date": "2023-10-16",
      "completion_date": "2024-05-21",
      "has_results": false,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 50,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Banning, California + 44 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Banning",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05925127"
    },
    {
      "nct_id": "NCT07221162",
      "title": "A Safety and Immunogenicity Trial of Boost-2867 Vaccine, Via Intranasal and Intramuscular Routes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Aluminum Hydroxide Suspension",
          "type": "DRUG"
        },
        {
          "name": "Boost-2867",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CpG 7909",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sodium Chloride, 0.9%",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 140,
      "start_date": "2025-12-05",
      "completion_date": "2026-11-24",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 8,
      "location_summary": "San Francisco, California • Baltimore, Maryland • St Louis, Missouri + 5 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07221162"
    },
    {
      "nct_id": "NCT04980391",
      "title": "A Study on the Safety and Immune Response to an Unadjuvanted RSV Maternal Vaccine, in High Risk Pregnant Women Aged 15 to 49 Years and Infants Born to the Vaccinated Mothers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSV MAT",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 49 Years · Female only"
      },
      "enrollment_count": 384,
      "start_date": "2021-08-03",
      "completion_date": "2023-05-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-20",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 16,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Mobile, Alabama + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Covington",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04980391"
    },
    {
      "nct_id": "NCT03803202",
      "title": "A Single Ascending Dose Study in Adults (Stage 1) and Single Ascending Dose-Finding Study (Stage 2) in Elderly Subjects With ASP3772, A Pneumococcal Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pneumonia, Bacterial",
        "Healthy Volunteers",
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "ASP3772",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PCV13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PPSV23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 630,
      "start_date": "2019-01-24",
      "completion_date": "2020-09-28",
      "has_results": true,
      "last_update_posted_date": "2023-12-21",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 26,
      "location_summary": "Banning, California • San Diego, California • San Marcos, California + 21 more",
      "locations": [
        {
          "city": "Banning",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Marcos",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03803202"
    },
    {
      "nct_id": "NCT06441968",
      "title": "Safety and Immunogenicity Trial of MPV/S-2P SARS-CoV-2 Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "MPV/S-2P",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-07-01",
      "completion_date": "2025-11-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 3,
      "location_summary": "Decatur, Georgia • Mineola, New York • Houston, Texas",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Mineola",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06441968"
    },
    {
      "nct_id": "NCT00316589",
      "title": "Safety and Immunogenicity of IMVAMUNE® (MVA-BN®) Smallpox Vaccine in HIV Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "IMVAMUNE (MVA-BN)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bavarian Nordic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 581,
      "start_date": "2006-06",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2019-01-03",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 34,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Burbank, California + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00316589"
    },
    {
      "nct_id": "NCT02675608",
      "title": "Vaccine Efficacy in Diabetic and Elderly Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 164,
      "start_date": "2015-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-01-13",
      "last_synced_at": "2026-09-22T23:22:42.536Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02675608"
    }
  ]
}