{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Loss+of+Heterozygosity",
    "query": {
      "condition": "Loss of Heterozygosity"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Loss+of+Heterozygosity&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T13:33:53.973Z",
  "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": "NCT00626990",
      "title": "Phase III Trial of Anaplastic Glioma Without 1p/19q Loss of Heterozygosity (LOH)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "temozolomide",
          "type": "DRUG"
        },
        {
          "name": "DNA methylation analysis",
          "type": "GENETIC"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "European Organisation for Research and Treatment of Cancer - EORTC",
      "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": 751,
      "start_date": "2007-12",
      "completion_date": "2029-12",
      "has_results": true,
      "last_update_posted_date": "2023-09-11",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 72,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • San Francisco, California + 57 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00626990"
    },
    {
      "nct_id": "NCT04981119",
      "title": "Solid Tumor Analysis for HLA Loss of Heterozygosity (LOH) and Apheresis for CAR T- Cell Manufacturing",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Solid Tumor, Adult",
        "Colorectal Cancer",
        "Non Small Cell Lung Cancer",
        "Pancreatic Cancer",
        "CRC",
        "NSCLC",
        "Pancreas Cancer",
        "Mesothelioma",
        "Ovarian Cancer",
        "Ovarian Neoplasms",
        "Ovarian Carcinoma",
        "Mesothelioma, Malignant",
        "Mesothelioma; Lung",
        "Cancer",
        "Triple Negative Breast Cancer (TNBC)",
        "Renal Cell Carcinoma (Kidney Cancer)",
        "Head and Neck Squamous Cell Carcinoma HNSCC"
      ],
      "interventions": [
        {
          "name": "Apheresis",
          "type": "OTHER"
        },
        {
          "name": "Next Generation Sequencing (NGS)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Long Range NGS HLA typing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "A2 Biotherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2021-10-29",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 16,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • Duarte, California + 13 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04981119"
    },
    {
      "nct_id": "NCT00001975",
      "title": "Study of Skin Tumors in Tuberous Sclerosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tuberous Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 400,
      "start_date": "2000-01-26",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001975"
    },
    {
      "nct_id": "NCT02855944",
      "title": "ARIEL4: A Study of Rucaparib Versus Chemotherapy BRCA Mutant Ovarian, Fallopian Tube, or Primary Peritoneal Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Epithelial Ovarian Cancer",
        "Fallopian Tube Cancer",
        "Peritoneal Cancer"
      ],
      "interventions": [
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Rucaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "pharmaand GmbH",
      "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": 349,
      "start_date": "2017-03-01",
      "completion_date": "2022-09-16",
      "has_results": true,
      "last_update_posted_date": "2023-06-09",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado • Augusta, Georgia",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02855944"
    },
    {
      "nct_id": "NCT01891344",
      "title": "A Study of Rucaparib in Patients With Platinum-Sensitive, Relapsed, High-Grade Epithelial Ovarian, Fallopian Tube, or Primary Peritoneal Cancer (ARIEL2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Epithelial Ovarian Cancer",
        "Fallopian Tube Cancer",
        "Peritoneal Cancer"
      ],
      "interventions": [
        {
          "name": "Oral rucaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "pharmaand GmbH",
      "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": 491,
      "start_date": "2013-10-30",
      "completion_date": "2021-09-28",
      "has_results": true,
      "last_update_posted_date": "2023-06-12",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 36,
      "location_summary": "Anchorage, Alaska • Tucson, Arizona • Fullerton, California + 28 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01891344"
    },
    {
      "nct_id": "NCT05787587",
      "title": "A Study of PARG Inhibitor IDE161 in Participants With Advanced Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced or Metastatic Solid Tumors",
        "Breast Cancer",
        "Ovarian Cancer",
        "Prostate Cancer",
        "Endometrial Cancer",
        "Colorectal Cancer",
        "Head and Neck Cancers",
        "Extensive Stage Small Cell Lung Cancer (ES-SCLC)",
        "NSCLC"
      ],
      "interventions": [
        {
          "name": "IDE-161",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "IDEAYA Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2023-04-18",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 27,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Newport Beach, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05787587"
    },
    {
      "nct_id": "NCT02896192",
      "title": "Setmelanotide for the Treatment of Early-Onset Pro-Opiomelanocortin (POMC) Deficiency Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pro-opiomelanocortin (POMC) Deficiency Obesity"
      ],
      "interventions": [
        {
          "name": "Setmelanotide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rhythm Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2017-02-14",
      "completion_date": "2020-05-25",
      "has_results": true,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02896192"
    },
    {
      "nct_id": "NCT03845296",
      "title": "Rucaparib in Treating Patients With Genomic LOH High and/or Deleterious BRCA1/2 Mutation Stage IV or Recurrent Non-small Cell Lung Cancer (A Lung-MAP Treatment Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Deleterious BRCA1 Gene Mutation",
        "Deleterious BRCA2 Gene Mutation",
        "Loss of Heterozygosity",
        "Lung Non-Small Cell Squamous Carcinoma",
        "Recurrent Large Cell Lung Carcinoma",
        "Recurrent Lung Adenocarcinoma",
        "Recurrent Lung Non-Small Cell Carcinoma",
        "Recurrent Non-Squamous Non-Small Cell Lung Carcinoma",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Rucaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 64,
      "start_date": "2019-04-16",
      "completion_date": "2024-09-21",
      "has_results": true,
      "last_update_posted_date": "2025-05-21",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 950,
      "location_summary": "Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 630 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03845296"
    },
    {
      "nct_id": "NCT00402779",
      "title": "Erlotinib Prevention of Oral Cancer (EPOC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Oral Cancer"
      ],
      "interventions": [
        {
          "name": "Erlotinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 303,
      "start_date": "2006-11-03",
      "completion_date": "2018-06-04",
      "has_results": true,
      "last_update_posted_date": "2020-04-21",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Chicago, Illinois • New York, New York + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00402779"
    },
    {
      "nct_id": "NCT05812027",
      "title": "A Screening Study to Collect Samples for TAA, HLA & HLA Loss of Heterozygosity in Patients With Metastatic Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer",
        "Cervical Cancer",
        "Non Small Cell Lung Cancer",
        "HPV16 Related Cancers",
        "Sarcoma",
        "Uveal Melanoma",
        "NUT Carcinoma"
      ],
      "interventions": [
        {
          "name": "Tumor and HLA Profiling",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "TScan Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1150,
      "start_date": "2023-06-26",
      "completion_date": "2027-01-14",
      "has_results": false,
      "last_update_posted_date": "2025-11-17",
      "last_synced_at": "2026-09-09T13:33:53.973Z",
      "location_count": 21,
      "location_summary": "Scottsdale, Arizona • San Diego, California • New Haven, Connecticut + 17 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05812027"
    }
  ]
}