{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+vaccine+placebo&page=2",
    "query": {
      "intervention": "DNA vaccine placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 68,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+vaccine+placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DNA+vaccine+placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T16:26:05.047Z",
  "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": "NCT00115960",
      "title": "Safety of and Immune Response to an HIV Preventive Vaccine (HIV-1 Gag DNA Alone or With IL-15 DNA) Given With or Without 2 Different Booster Vaccinations in HIV Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "HIV-1 gag DNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IL-15 DNA adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IL-12 DNA adjuvant",
          "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": 120,
      "start_date": null,
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 6,
      "location_summary": "Boston, Massachusetts • New York, New York • Rochester, New York + 2 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00115960"
    },
    {
      "nct_id": "NCT03606213",
      "title": "Therapeutic Vaccination in Treated HIV Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HIV-1-infection"
      ],
      "interventions": [
        {
          "name": "PENNVAX-GP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "INO-6145",
          "type": "BIOLOGICAL"
        },
        {
          "name": "INO-9012",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CELLECTRA® 2000",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "Steven Deeks",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 56,
      "start_date": "2018-08-01",
      "completion_date": "2021-05-17",
      "has_results": true,
      "last_update_posted_date": "2023-05-31",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • San Francisco, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03606213"
    },
    {
      "nct_id": "NCT03560258",
      "title": "HIV-1-Gag Conserved-Element DNA Vaccine (p24CE) Vaccine Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "p24CE1/2 pDNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "p24CE1/2 pDNA vaccine admixed with full-length p55^gag pDNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Full-length p55^gag pDNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 45,
      "start_date": "2019-03-26",
      "completion_date": "2021-02-10",
      "has_results": true,
      "last_update_posted_date": "2022-04-26",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03560258"
    },
    {
      "nct_id": "NCT01571960",
      "title": "Evaluating the Safety and Immune Response of a Prime-Boost HIV Vaccine Regimen in Healthy, HIV-Uninfected, Vaccinia-Naive Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "GEO-D03 DNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MVA/HIV62B (MVA62B) vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo for GEO-D03 DNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo for MVA62B:",
          "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": 48,
      "start_date": "2012-04",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571960"
    },
    {
      "nct_id": "NCT01578889",
      "title": "Evaluating the Safety of and Immune Response to HIV-MAG DNA Vaccine With or Without Plasmid IL-12 Adjuvant Delivered Intramuscularly Via Electroporation Followed by VSV-gag HIV Vaccine Boost in Healthy, HIV-Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "HIV-MAG vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IL-12 pDNA adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VSV HIV gag vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ichor Medical Systems TriGrid™ Delivery System (TDS) electroporation (EP) device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "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": 100,
      "start_date": "2012-05",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 5,
      "location_summary": "New York, New York • Rochester, New York • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01578889"
    },
    {
      "nct_id": "NCT02852005",
      "title": "Evaluating the Immunogenicity of the AIDSVAX B/E Vaccine and the MVA/HIV62B Vaccine in Healthy, HIV-1-Uninfected Adults Who Previously Received MVA/HIV62B in DNA/MVA or MVA/MVA Regimens in HVTN 205",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "MVA/HIV62B vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AIDSVAX B/E 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": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 27,
      "start_date": "2017-01",
      "completion_date": "2019-10-29",
      "has_results": true,
      "last_update_posted_date": "2022-08-08",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Decatur, Georgia + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02852005"
    },
    {
      "nct_id": "NCT03181789",
      "title": "Safety and Immunogenicity of pDNA Vaccines Expressing HIV M Group p24^Gag Conserved Elements and/or p55^Gag, Administered With IL-12 pDNA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "p24CE1/2 pDNA Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "p55^gag pDNA Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IL-12 pDNA Adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ichor Medical Systems Intramuscular TriGrid Delivery System (TDS-IM) electroporation (EP) device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "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": 56,
      "start_date": "2017-10-18",
      "completion_date": "2020-04-29",
      "has_results": true,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Decatur, Georgia • Cleveland, Ohio",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03181789"
    },
    {
      "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": "2026-10-03T16:26:05.047Z",
      "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": "NCT02915016",
      "title": "Evaluating the Safety and Immunogenicity of HIV Clade C DNA Vaccine and MF59- or AS01B-Adjuvanted Clade C Env Protein Vaccines in Various Combinations in Healthy, HIV-Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "DNA-HIV-PT123 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bivalent Subtype C gp120/MF59 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bivalent Subtype C gp120/AS01B 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": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 334,
      "start_date": "2016-12-07",
      "completion_date": "2020-02-12",
      "has_results": true,
      "last_update_posted_date": "2022-04-29",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Boston, Massachusetts • New York, New York + 3 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/NCT02915016"
    },
    {
      "nct_id": "NCT02030301",
      "title": "Safety and Efficacy Trial of DNA Vaccines to Treat Genital Herpes in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Genital Herpes Simplex Type 2"
      ],
      "interventions": [
        {
          "name": "VCL-HB01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VCL-HM01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PBS",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vical",
      "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": 165,
      "start_date": "2013-12",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2019-02-27",
      "last_synced_at": "2026-10-03T16:26:05.047Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Hollywood, Florida • Indianapolis, Indiana + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02030301"
    }
  ]
}