{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Env+2-3",
    "query": {
      "intervention": "Env 2-3"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 44,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Env+2-3&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T11:29:28.187Z",
  "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": "NCT04927585",
      "title": "Evaluating the Safety and Immunogenicity of Polyvalent DNA/gp120 HIV Vaccine in Healthy, HIV-uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "env (A,B,C,A/E)/gag (C) DNA Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "gp120 (A,B,C,A/E) Protein Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GLA-SE adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Worcester HIV Vaccine",
      "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": 42,
      "start_date": "2021-07-08",
      "completion_date": "2023-12-07",
      "has_results": false,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-09-03T11:29:28.187Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04927585"
    },
    {
      "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": "2026-09-03T11:29:28.187Z",
      "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": "NCT00955006",
      "title": "Immune Response to an HIV DNA Plasmid Vaccine Prime Followed by Adenovirus Boost in HIV-uninfected Individuals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "VRC-HIVDNA-016-00-VP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VRCHIVADV014-00-VP",
          "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": 17,
      "start_date": "2011-05",
      "completion_date": "2017-11-22",
      "has_results": false,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-09-03T11:29:28.187Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00955006"
    },
    {
      "nct_id": "NCT00384787",
      "title": "Safety of and Immune Response to a DNA HIV Vaccine Followed by an Adenoviral Vaccine Boost Given Three Different Ways to HIV Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "VRC-HIVDNA009-00-VP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VRC-HIVADV014-00-VP",
          "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": 90,
      "start_date": "2006-11",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-09-03T11:29:28.187Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Boston, Massachusetts • New York, New York + 2 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00384787"
    },
    {
      "nct_id": "NCT00061243",
      "title": "Safety of and Immune Response to Polyvalent HIV-1 Vaccine in HIV Uninfected Adults",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "HIV-1 DNA vaccine with protein vaccine boost",
          "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": 36,
      "start_date": "2004-04",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2008-09-26",
      "last_synced_at": "2026-09-03T11:29:28.187Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00061243"
    },
    {
      "nct_id": "NCT00991354",
      "title": "Safety of and Immune Response to the PENNVAX-B DNA Vaccine With and Without IL-12 in HIV-uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "PENNVAX-B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IL-12 DNA plasmids",
          "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": "2009-11",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-09-03T11:29:28.187Z",
      "location_count": 3,
      "location_summary": "Rochester, New York • Philadelphia, Pennsylvania • Nashville, Tennessee",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00991354"
    },
    {
      "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": "2026-09-03T11:29:28.187Z",
      "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": "NCT01479296",
      "title": "Evaluating the Immune Response to a rAd5 HIV Vaccine Administered in Three Different Ways in Healthy, HIV-Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "VRC rAd5 vaccine (rAd5 gag-pol/env A/B/C)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rAd5 env A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rAd5 env B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rAd5 env C",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rAd5 gag-pol",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo 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": 90,
      "start_date": "2011-12",
      "completion_date": "2017-11-27",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-09-03T11:29:28.187Z",
      "location_count": 8,
      "location_summary": "San Francisco, California • Chicago, Illinois • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01479296"
    },
    {
      "nct_id": "NCT07675629",
      "title": "Evaluating the Safety and Immunogenicity of Polyvalent DNA and Recombinant gp120 Protein HIV Vaccine (PDPHV) in Healthy, HIV-uninfected Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Prevention"
      ],
      "interventions": [
        {
          "name": "PDPHV Plasmid DNA Vaccines (env (A, B, C, A/E)/gag (C))",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PDPHV Recombinant Protein Vaccines (gp120 (A, B, C, A/E))",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Alhydrogel adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GLA-SE adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo for DNA Vaccines, Protein Vaccines and Adjuvants",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Worcester HIV Vaccine",
      "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": 126,
      "start_date": "2026-09-01",
      "completion_date": "2029-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-09-03T11:29:28.187Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07675629"
    },
    {
      "nct_id": "NCT04177355",
      "title": "Evaluating the Safety and Immunogenicity of HIV-1 BG505 SOSIP.664 gp140 With TLR Agonist and/or Alum Adjuvants in Healthy, HIV-uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "BG505 SOSIP.664 gp140",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "3M-052-AF",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CpG 1018",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GLA-LSQ",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Alum (Aluminum Hydroxide Suspension)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trimer 4571",
          "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": 127,
      "start_date": "2020-01-13",
      "completion_date": "2024-11-04",
      "has_results": true,
      "last_update_posted_date": "2025-09-02",
      "last_synced_at": "2026-09-03T11:29:28.187Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Atlanta, Georgia • Decatur, Georgia + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04177355"
    }
  ]
}