{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+vaccine+placebo&page=3",
    "query": {
      "intervention": "DNA vaccine placebo",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 68,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+vaccine+placebo&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+vaccine+placebo&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T02:21:22.209Z",
  "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": "NCT02207920",
      "title": "Evaluating the Safety and Immune Response to Different Combinations of the DNA-HIV-PT123 and AIDSVAX® B/E Vaccines in Healthy, HIV-Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "AIDSVAX B/E Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DNA-HIV-PT123 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo for DNA-HIV-PT123",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo for AIDSVAX B/E",
          "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": 104,
      "start_date": "2014-07",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 7,
      "location_summary": "San Francisco, California • New York, New York • Rochester, New York + 3 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02207920"
    },
    {
      "nct_id": "NCT00045838",
      "title": "HIV-1 Vaccine Test in Uninfected Adult Volunteers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "VCR-HIVDNA006-00-VP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2002-08",
      "completion_date": "2003-04",
      "has_results": false,
      "last_update_posted_date": "2015-10-02",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00045838"
    },
    {
      "nct_id": "NCT05683457",
      "title": "A Study to Evaluate the Efficacy, Safety, and Immunogenicity of mRNA-1647 Cytomegalovirus (CMV) Vaccine in Allogenic Hematopoietic Cell Transplantation (HCT) Participants.",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cytomegalovirus Infection"
      ],
      "interventions": [
        {
          "name": "mRNA-1647",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2023-04-05",
      "completion_date": "2027-03-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • St Louis, Missouri • Seattle, Washington",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05683457"
    },
    {
      "nct_id": "NCT00574600",
      "title": "Safety of and Immune Response to Two HIV Vaccines: SAAVI DNA-C2 Boosted With SAAVIMVA-C, in HIV-Negative Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "SAAVI DNA-C2 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SAAVI MVA-C vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 48,
      "start_date": "2008-11",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00574600"
    },
    {
      "nct_id": "NCT02654080",
      "title": "Evaluating the Safety, Tolerability, and Immunogenicity of a Prime-Boost Regimen of HIV-1 Nef/Tat/Vif, Env pDNA Vaccine Delivered Intramuscularly With Electroporation and HIV-1 rVSV envC Vaccine in Healthy, HIV-Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "HIV-1 nef/tat/vif, env pDNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rVSV HIV envC vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": 14,
      "start_date": "2016-03",
      "completion_date": "2019-07-01",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02654080"
    },
    {
      "nct_id": "NCT06210854",
      "title": "Assessing Administration of pBI-11 Via Electroporation for the Treatment of Patients With HPV16/18+",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV Infection"
      ],
      "interventions": [
        {
          "name": "pBI-11 (3 doses)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "pBI-11 (1 dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (2 doses)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 48,
      "start_date": "2026-06-25",
      "completion_date": "2029-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Baltimore, Maryland",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06210854"
    },
    {
      "nct_id": "NCT01260727",
      "title": "Evaluating the Safety of and Immune Response to an HIV Vaccine Followed by Booster, Administered by Two Devices, in HIV-Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "PENNVAX-G DNA Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MVA-CMDR Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo PENNVAX-G Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo MVA-CMDR 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": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 92,
      "start_date": "2010-02",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01260727"
    },
    {
      "nct_id": "NCT04642638",
      "title": "Safety, Immunogenicity, and Efficacy of INO-4800 for COVID-19 in Adults at High Risk of SARS-CoV-2 Exposure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Coronavirus Infection",
        "Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)",
        "COVID-19 Disease"
      ],
      "interventions": [
        {
          "name": "INO-4800",
          "type": "DRUG"
        },
        {
          "name": "CELLECTRA® 2000",
          "type": "DEVICE"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Inovio Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1307,
      "start_date": "2020-11-30",
      "completion_date": "2022-09-13",
      "has_results": true,
      "last_update_posted_date": "2023-12-20",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 16,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • Tempe, Arizona + 12 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04642638"
    },
    {
      "nct_id": "NCT03110770",
      "title": "VRC 705: A Zika Virus DNA Vaccine in Healthy Adults and Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Zika Virus",
        "Zika Virus Infection",
        "Virus Diseases",
        "Flavivirus Infections",
        "Flaviviral Diseases",
        "Flaviviridae Infections",
        "RNA Virus Infections"
      ],
      "interventions": [
        {
          "name": "VRC-ZKADNA090-00-VP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VRC-PBSPLA043-00-VP",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "15 Years to 35 Years"
      },
      "enrollment_count": 2428,
      "start_date": "2017-03-29",
      "completion_date": "2019-10-04",
      "has_results": true,
      "last_update_posted_date": "2024-01-31",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Edinburg, Texas • Houston, Texas",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Edinburg",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03110770"
    },
    {
      "nct_id": "NCT00249106",
      "title": "Safety and Immunogenicity of a Plasmid HIV Vaccine in HIV Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "ADVAX",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "International AIDS Vaccine Initiative",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 45,
      "start_date": "2003-12",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2013-02-11",
      "last_synced_at": "2026-10-09T02:21:22.209Z",
      "location_count": 2,
      "location_summary": "New York, New York • Rochester, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00249106"
    }
  ]
}