{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Vaccine+-+Aluminum+hydroxide",
    "query": {
      "intervention": "Placebo Vaccine - Aluminum hydroxide"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 57,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Vaccine+-+Aluminum+hydroxide&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T15:27:53.351Z",
  "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": "NCT03455309",
      "title": "Evaluation of NDV-3A Vaccine in Preventing S. Aureus Colonization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Staphylococcus Aureus"
      ],
      "interventions": [
        {
          "name": "NDV-3A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "NovaDigm Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "17 Years to 35 Years · Male only"
      },
      "enrollment_count": 382,
      "start_date": "2018-01-30",
      "completion_date": "2019-10-15",
      "has_results": false,
      "last_update_posted_date": "2020-01-29",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 1,
      "location_summary": "Fort Benning, Georgia",
      "locations": [
        {
          "city": "Fort Benning",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03455309"
    },
    {
      "nct_id": "NCT00057525",
      "title": "A New Anthrax Vaccine Administered by the Intramuscular (IM) Route in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anthrax"
      ],
      "interventions": [
        {
          "name": "Anthrax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Alhdryogel or PBS",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "DynPort Vaccine Company LLC, A GDIT Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 70,
      "start_date": "2003-04",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2011-06-30",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00057525"
    },
    {
      "nct_id": "NCT01995617",
      "title": "Safety and Immunogenicity Study of Prophylactic Streptococcus Pneumoniae Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Streptococcus Pneumoniae"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GEN-004 Low Dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GEN-004 Low Dose + Adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GEN-004 Mid Dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GEN-004 Mid Dose + Adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GEN-004 High Dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GEN-004 High Dose + Adjuvant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Genocea Biosciences, Inc.",
      "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": 90,
      "start_date": "2013-11",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2015-12-11",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01995617"
    },
    {
      "nct_id": "NCT04199169",
      "title": "Safety and Immunogenicity of a Nipah Virus Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nipah Virus Infection"
      ],
      "interventions": [
        {
          "name": "HeV-sG-V",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal Saline Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Auro Vaccines LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 192,
      "start_date": "2020-02-18",
      "completion_date": "2022-05-06",
      "has_results": false,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199169"
    },
    {
      "nct_id": "NCT03343626",
      "title": "Safety, Immunogenicity, and Dose Ranging Study of Inactivated Zika Virus Vaccine in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Virus, Zika",
        "Zika Virus Disease",
        "Flavivirus Infections",
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "PIZV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 271,
      "start_date": "2017-11-13",
      "completion_date": "2020-11-24",
      "has_results": true,
      "last_update_posted_date": "2022-02-11",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 7,
      "location_summary": "Coral Gables, Florida • Miami, Florida • Lenexa, Kansas + 3 more",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Endwell",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03343626"
    },
    {
      "nct_id": "NCT07003984",
      "title": "A Safety and Immunogenicity Study of CHIKV VLP Vaccine in Children.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chikungunya Virus"
      ],
      "interventions": [
        {
          "name": "CHIKV VLP vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bavarian Nordic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "1 Year to 11 Years"
      },
      "enrollment_count": 720,
      "start_date": "2025-06-05",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 8,
      "location_summary": "Fountain Valley, California • Washington D.C., District of Columbia • Miami, Florida + 4 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07003984"
    },
    {
      "nct_id": "NCT06007183",
      "title": "Long-term Follow-up Study to Evaluate Safety and Immunogenicity of CHIKV VLP Single or Booster Vaccination",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chikungunya Virus Infection"
      ],
      "interventions": [
        {
          "name": "CHIKV VLP vaccine booster",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo booster",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bavarian Nordic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 715,
      "start_date": "2023-08-30",
      "completion_date": "2028-02",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 24,
      "location_summary": "Mobile, Alabama • Tempe, Arizona • Melbourne, Florida + 20 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06007183"
    },
    {
      "nct_id": "NCT06719219",
      "title": "A First in Human Trial to Assess the Safety and Immunogenicity of LTB-SA7 Vaccine Against Staphylococcus Aureus.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Staphylococcus (S.) Aureus Infection"
      ],
      "interventions": [
        {
          "name": "LTB-SA7",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "LimmaTech Biologics AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 129,
      "start_date": "2025-01-07",
      "completion_date": "2026-03-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06719219"
    },
    {
      "nct_id": "NCT00280033",
      "title": "H5 Adult - Chiron Study of Bird Flu Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Aluminum hydroxide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Inactivated Influenza A/H5N1 Vaccine (Chiron)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MF-59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "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": 394,
      "start_date": "2006-02",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2013-09-13",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 4,
      "location_summary": "Stanford, California • St Louis, Missouri • Cincinnati, Ohio + 1 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00280033"
    },
    {
      "nct_id": "NCT03934541",
      "title": "Evaluating the Safety and Immunogenicity of an HIV-1 gp41 MPER-656 Liposome Vaccine in Healthy, HIV-uninfected Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "MPER-656 Liposome Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo for MPER-656 Liposome Vaccine",
          "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": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 24,
      "start_date": "2019-08-26",
      "completion_date": "2021-05-26",
      "has_results": true,
      "last_update_posted_date": "2025-09-25",
      "last_synced_at": "2026-09-29T15:27:53.351Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Boston, Massachusetts • New York, New York + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03934541"
    }
  ]
}