{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+vaccine&page=2",
    "query": {
      "intervention": "Control vaccine",
      "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=Control+vaccine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T23:16:39.146Z",
  "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": "NCT05541393",
      "title": "Engaging Church Health Ministries to Decrease Coronavirus Disease-19 Vaccine Hesitancy in Underserved Populations",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Active Intervention Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-04-15",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05541393"
    },
    {
      "nct_id": "NCT03887793",
      "title": "Quality Improvement Strategies to Increase Human Papillomavirus (HPV) Vaccination in Integrated Healthcare Delivery Systems",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus Infection"
      ],
      "interventions": [
        {
          "name": "VACs",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2020-01",
      "completion_date": "2020-07-31",
      "has_results": false,
      "last_update_posted_date": "2020-02-26",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 2,
      "location_summary": "Albany, New York • Madison, Wisconsin",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03887793"
    },
    {
      "nct_id": "NCT06566534",
      "title": "Personalized Nudging to Increase Influenza Vaccinations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Reminder",
          "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": 77482,
      "start_date": "2024-09-09",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-16",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06566534"
    },
    {
      "nct_id": "NCT05293665",
      "title": "Platform Trial to Compare Homologous Boost of Authorized COVID-19 Vaccines and Heterologous Boost With UB-612 Vaccine",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19 Vaccines"
      ],
      "interventions": [
        {
          "name": "UB-612",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BNT162b2 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ChAdOx1-S vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sinopharm BIBP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vaxxinity, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 944,
      "start_date": "2022-03-16",
      "completion_date": "2023-09",
      "has_results": false,
      "last_update_posted_date": "2022-10-14",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 1,
      "location_summary": "Brownsville, Texas",
      "locations": [
        {
          "city": "Brownsville",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05293665"
    },
    {
      "nct_id": "NCT01097096",
      "title": "Safety, Tolerability and Abeta-specific Antibody Response of Repeated i.m. Injections of Adjuvanted CAD106 in Mild Alzheimer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "CAD106",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Alum",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MF59",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "Up to 85 Years"
      },
      "enrollment_count": 177,
      "start_date": "2010-03",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2021-03-05",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 5,
      "location_summary": "Costa Mesa, California • Boulder, Colorado • Hollywood, Florida + 2 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Eatontown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01097096"
    },
    {
      "nct_id": "NCT00656097",
      "title": "A Randomized Phase II Trial to Compare the Safety and Neutralizing Activity of CL184 in Combination With Rabies Vaccine vs. HRIG or Placebo in Combination With Rabies Vaccine in Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rabies"
      ],
      "interventions": [
        {
          "name": "CL184",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HRIG",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo matching CL184",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Crucell Holland BV",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 140,
      "start_date": "2008-03",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2011-09-21",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00656097"
    },
    {
      "nct_id": "NCT05831124",
      "title": "A Study to Learn About a Type of Pneumococcal Vaccine With a New Ingredient (PF-07872411) Intended to Enhance the Effects of the Vaccine Which is Given to Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "Low dose multivalent pneumococcal conjugate vaccine formulation A",
          "type": "OTHER"
        },
        {
          "name": "Low dose multivalent pneumococcal conjugate vaccine formulation B",
          "type": "OTHER"
        },
        {
          "name": "Low dose of multivalent pneumococcal conjugate vaccine control",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard dose multivalent pneumococcal conjugate vaccine control",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "50 Years to 64 Years"
      },
      "enrollment_count": 90,
      "start_date": "2023-04-19",
      "completion_date": "2024-06-26",
      "has_results": false,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 9,
      "location_summary": "Hialeah, Florida • Hollywood, Florida • Columbia, Maryland + 4 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        },
        {
          "city": "Elkridge",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05831124"
    },
    {
      "nct_id": "NCT01342224",
      "title": "Immunochemoradiotherapy in Patients With Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Locally Advanced Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "tadalafil and vaccination",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Providence Health & Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2011-01",
      "completion_date": "2018-04",
      "has_results": false,
      "last_update_posted_date": "2018-04-12",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01342224"
    },
    {
      "nct_id": "NCT02046148",
      "title": "Safety and Immunogenicity of a Trivalent Group B Streptococcus Vaccine in Healthy Pregnant Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "GBS Disease",
        "Streptococcus Agalactiae"
      ],
      "interventions": [
        {
          "name": "GBS trivalent vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2014-03-18",
      "completion_date": "2016-03-26",
      "has_results": true,
      "last_update_posted_date": "2020-12-29",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 6,
      "location_summary": "Aurora, Colorado • Baltimore, Maryland • Durham, North Carolina + 3 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02046148"
    },
    {
      "nct_id": "NCT05621226",
      "title": "Message Communicating Latest Data on COVID-19 Transmission in Patient's Area",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "COVID Booster text messages",
          "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": 520000,
      "start_date": "2022-11-03",
      "completion_date": "2023-02-06",
      "has_results": false,
      "last_update_posted_date": "2023-03-03",
      "last_synced_at": "2026-09-19T23:16:39.146Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05621226"
    }
  ]
}