{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=High-grade+Squamous+Intraepithelial+Lesions+%28HSIL%29",
    "query": {
      "condition": "High-grade Squamous Intraepithelial Lesions (HSIL)"
    },
    "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?condition=High-grade+Squamous+Intraepithelial+Lesions+%28HSIL%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T19:58:36.322Z",
  "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": "NCT01164722",
      "title": "Infrared Coagulator Ablation or Observation in Preventing Anal Cancer in HIV-Positive Patients With Anal Neoplasia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anal Cancer",
        "Neoplasm of Uncertain Malignant Potential",
        "Nonneoplastic Condition",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "clinical observation",
          "type": "OTHER"
        },
        {
          "name": "infrared photocoagulation therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "27 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "27 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2011-04",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2020-08-04",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • San Francisco, California • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01164722"
    },
    {
      "nct_id": "NCT04276935",
      "title": "Development of a Health-Related Symptom Index for Participants With and Either Treated or Monitored for Anal High-Grade Squamous Intraepithelial Lesions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "High Grade Anal Canal Squamous Intraepithelial Neoplasia",
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2018-11-06",
      "completion_date": "2020-03-01",
      "has_results": true,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Miami, Florida • Chicago, Illinois + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04276935"
    },
    {
      "nct_id": "NCT02481414",
      "title": "A Clinical Trial of PepCan to Two Therapy Arms for Treating Cervical High-Grade Squamous Intraepithelial Lesions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Intraepithelial Neoplasia"
      ],
      "interventions": [
        {
          "name": "PepCan",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Candin®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 81,
      "start_date": "2015-11-30",
      "completion_date": "2022-09-14",
      "has_results": true,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02481414"
    },
    {
      "nct_id": "NCT03677960",
      "title": "Study of Topical ABI-1968 in Subjects With Precancerous Anal Lesions Resulting From Human Papillomavirus (HPV) Infection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HSIL, High-Grade Squamous Intraepithelial Lesions",
        "Human Papilloma Virus Infection",
        "HIV Infection",
        "Anal Cancer",
        "Anus Neoplasm"
      ],
      "interventions": [
        {
          "name": "Topical ABI-1968 cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Antiva Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "27 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "27 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2018-12-17",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2019-07-24",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03677960"
    },
    {
      "nct_id": "NCT03603808",
      "title": "VGX-3100 and Electroporation in Treating Patients With HIV-Positive High-Grade Anal Lesions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anal Intraepithelial Neoplasia",
        "High Grade Squamous Intraepithelial Neoplasia",
        "HIV Positivity",
        "Human Papillomavirus-16 Positive",
        "Human Papillomavirus-18 Positive"
      ],
      "interventions": [
        {
          "name": "Electroporation",
          "type": "DEVICE"
        },
        {
          "name": "HPV DNA Plasmids Therapeutic Vaccine VGX-3100",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2018-09-21",
      "completion_date": "2025-06-17",
      "has_results": true,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 7,
      "location_summary": "San Francisco, California • Atlanta, Georgia • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03603808"
    },
    {
      "nct_id": "NCT03185013",
      "title": "REVEAL 1 (Evaluation of VGX-3100 and Electroporation for the Treatment of Cervical HSIL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cervical Dysplasia",
        "Cervical High Grade Squamous Intraepithelial Lesion",
        "HSIL"
      ],
      "interventions": [
        {
          "name": "VGX-3100",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Electroporation (EP)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "Inovio Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 201,
      "start_date": "2017-06-28",
      "completion_date": "2021-04-06",
      "has_results": true,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 22,
      "location_summary": "Mesa, Arizona • Scottsdale, Arizona • Tucson, Arizona + 18 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Lake Worth",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03185013"
    },
    {
      "nct_id": "NCT00550589",
      "title": "Cidofovir in Treating HIV-Infected Patients With High-Grade Squamous Intraepithelial Lesions of the Skin Near the Anus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anal Cancer",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "cidofovir",
          "type": "DRUG"
        },
        {
          "name": "DNA methylation analysis",
          "type": "GENETIC"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "histopathologic examination",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "PROCEDURE"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 33,
      "start_date": "2007-09",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2015-12-21",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • San Francisco, California • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00550589"
    },
    {
      "nct_id": "NCT03197025",
      "title": "Immunotherapy With E6 T Cell Receptor (TCR) T Cells for Vulvar High-Grade Squamous Intraepithelial Lesions",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Papillomavirus",
        "HPV-16",
        "High Grade Squamous Intraepithelial Lesion"
      ],
      "interventions": [
        {
          "name": "Aldesleukin",
          "type": "DRUG"
        },
        {
          "name": "E6 T Cell Receptor (TCR)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 1,
      "start_date": "2018-01-09",
      "completion_date": "2020-10-16",
      "has_results": true,
      "last_update_posted_date": "2021-02-16",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03197025"
    },
    {
      "nct_id": "NCT02189161",
      "title": "A Safety and Tolerability of Circumferential Anal Canal Radiofrequency Ablation For Anal Intraepithelial Neoplasia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anal Intraepithelial Neoplasia (AIN)",
        "High-grade Squamous Intraepithelial Lesions (HSIL)"
      ],
      "interventions": [
        {
          "name": "Radiofrequency Ablation (Barrx™)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic - MITG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2014-07",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2016-07-14",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02189161"
    },
    {
      "nct_id": "NCT00066430",
      "title": "Infrared Coagulation in Preventing Anal Cancer in Patients With HIV Who Have Anal Neoplasia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anal Cancer",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "infrared photocoagulation therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Infrared Coagulator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2003-09",
      "completion_date": "2006-04",
      "has_results": false,
      "last_update_posted_date": "2014-09-17",
      "last_synced_at": "2026-07-22T19:58:36.322Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • New York, New York",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066430"
    }
  ]
}