{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HIV+Seronegativity",
    "query": {
      "condition": "HIV Seronegativity"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 256,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HIV+Seronegativity&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T02:11:20.483Z",
  "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": "NCT00071851",
      "title": "Safety of and Immune Response to an HIV-1 DNA Vaccine (VRC HIVDNA009-00-VP) in HIV Uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "VRC-HIVDNA009-00-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": 180,
      "start_date": "2003-12",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-05-22T02:11:20.483Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Baltimore, Maryland + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00071851"
    },
    {
      "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": "2026-05-22T02:11:20.483Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00955006"
    },
    {
      "nct_id": "NCT00091416",
      "title": "Safety of and Immune Response to an HIV-1 Vaccine Boost (VRC-HIVADV014-00-VP) in HIV Uninfected Adults Who Participated in HVTN 052",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "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": 70,
      "start_date": null,
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-05-22T02:11:20.483Z",
      "location_count": 8,
      "location_summary": "Baltimore, Maryland • Boston, Massachusetts • St Louis, Missouri + 5 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00091416"
    },
    {
      "nct_id": "NCT00623753",
      "title": "Evaluate Tolerability of a Multi-envelope, Prime-boost HIV Vaccine in Healthy Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "EnvDNA, PolyEnv1, EnvPro",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 3,
      "start_date": "2007-05",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2017-04-26",
      "last_synced_at": "2026-05-22T02:11:20.483Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00623753"
    },
    {
      "nct_id": "NCT00027365",
      "title": "An Investigational Combination Vaccine Given to People Who Are Not Infected With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Combination Vaccine (NefTat and gp120W61D) Formulated with AS02A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NefTat",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AS02A Adjuvant",
          "type": "DRUG"
        },
        {
          "name": "gp120W61D",
          "type": "BIOLOGICAL"
        }
      ],
      "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": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 84,
      "start_date": null,
      "completion_date": "2003-06",
      "has_results": false,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-05-22T02:11:20.483Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Baltimore, Maryland + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00027365"
    },
    {
      "nct_id": "NCT00007332",
      "title": "Safety and Immune Response Study of the Vaccine ALVAC vCP1452 Alone or in Combination With AIDSVAX B/B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "ALVAC(2)120(B,MN)GNP (vCP1452)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MN rgp120/HIV-1 and GNE8 rgp120/HIV-1",
          "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": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 330,
      "start_date": null,
      "completion_date": "2003-04",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-05-22T02:11:20.483Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Baltimore, Maryland + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00007332"
    },
    {
      "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": "2026-05-22T02:11:20.483Z",
      "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": "NCT00000795",
      "title": "A Phase I Safety and Immunogenicity Trial of UBI Multivalent HIV-1 Peptide Immunogen in HIV-1 Seronegative Human Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "HIV-1 Peptide Immunogen, Multivalent",
          "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": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 28,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-09-09",
      "last_synced_at": "2026-05-22T02:11:20.483Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000795"
    },
    {
      "nct_id": "NCT00000775",
      "title": "A Phase I Safety and Immunogenicity Trial of UBI SynVac (HIV-1 MN Octameric V3 Peptide Vaccine)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "rgp120/HIV-1MN Monovalent Octameric V3 Peptide 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": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 40,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-05-22T02:11:20.483Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri • Rochester, New York",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000775"
    },
    {
      "nct_id": "NCT00676481",
      "title": "Rapid HIV Testing for Emergency Department Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "HIV risk education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 570,
      "start_date": "2004-07",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2015-03-09",
      "last_synced_at": "2026-05-22T02:11:20.483Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00676481"
    }
  ]
}