{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Unknown+Primary+Neoplasms",
    "query": {
      "condition": "Unknown Primary Neoplasms"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 98,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Unknown+Primary+Neoplasms&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T22:15:31.864Z",
  "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": "NCT00360360",
      "title": "Paclitaxel/Carboplatin Plus Bevacizumab/Erlotinib in the First Line Treatment of Carcinoma of Unknown Primary Site",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neoplasm, Unknown Primary"
      ],
      "interventions": [
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "erlotinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SCRI Development Innovations, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2006-07",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2013-12-04",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 9,
      "location_summary": "Jacksonville, Florida • Gainesville, Georgia • Evansville, Indiana + 6 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Georgia"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Bowling Green",
          "state": "Kentucky"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00360360"
    },
    {
      "nct_id": "NCT00588770",
      "title": "Chemotherapy With or Without Bevacizumab in Treating Patients With Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neck Squamous Cell Carcinoma of Unknown Primary",
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Verrucous Carcinoma",
        "Recurrent Lip and Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Neck Squamous Cell Carcinoma of Unknown Primary",
        "Recurrent Oral Cavity Verrucous Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma",
        "Recurrent Salivary Gland Carcinoma",
        "Recurrent Sinonasal Squamous Cell Carcinoma",
        "Salivary Gland Squamous Cell Carcinoma",
        "Stage IV Hypopharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IV Major Salivary Gland Cancer AJCC v7",
        "Stage IVA Laryngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVA Laryngeal Verrucous Carcinoma AJCC v7",
        "Stage IVA Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage IVA Major Salivary Gland Cancer AJCC v7",
        "Stage IVA Oral Cavity Cancer AJCC v6 and v7",
        "Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVA Sinonasal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Laryngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Laryngeal Verrucous Carcinoma AJCC v7",
        "Stage IVB Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage IVB Major Salivary Gland Cancer AJCC v7",
        "Stage IVB Oral Cavity Cancer AJCC v6 and v7",
        "Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Sinonasal Squamous Cell Carcinoma AJCC v7",
        "Stage IVC Laryngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVC Laryngeal Verrucous Carcinoma AJCC v7",
        "Stage IVC Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage IVC Major Salivary Gland Cancer AJCC v7",
        "Stage IVC Oral Cavity Cancer AJCC v6 and v7",
        "Stage IVC Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVC Sinonasal Squamous Cell Carcinoma AJCC v7",
        "Tongue Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 403,
      "start_date": "2008-08-08",
      "completion_date": "2027-02-20",
      "has_results": true,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 779,
      "location_summary": "Mobile, Alabama • Fairbanks, Alaska • Fort Smith, Arkansas + 473 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00588770"
    },
    {
      "nct_id": "NCT06995508",
      "title": "Olanzapine for Managing Anorexia in Head and Neck Cancer Patients Undergoing Chemoradiation, MACRO Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer-Associated Anorexia",
        "Head and Neck Squamous Cell Carcinoma",
        "Neck Squamous Cell Carcinoma of Unknown Primary"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2025-12-24",
      "completion_date": "2031-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06995508"
    },
    {
      "nct_id": "NCT00499733",
      "title": "Cyclophosphamide and Cryoablation in Treating Patients With Advanced or Metastatic Epithelial Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cryoablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 19,
      "start_date": "2007-06",
      "completion_date": "2013-01-09",
      "has_results": false,
      "last_update_posted_date": "2019-01-18",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00499733"
    },
    {
      "nct_id": "NCT04862650",
      "title": "Cemiplimab, Low-Dose Paclitaxel and Carboplatin for the Treatment of Recurrent/Metastatic Squamous Cell Carcinoma of the Head and Neck",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Metastatic Head and Neck Squamous Cell Carcinoma",
        "Metastatic Hypopharyngeal Squamous Cell Carcinoma",
        "Metastatic Laryngeal Squamous Cell Carcinoma",
        "Metastatic Oral Cavity Squamous Cell Carcinoma",
        "Metastatic Oropharyngeal Squamous Cell Carcinoma",
        "Pathologic Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma",
        "Squamous Cell Carcinoma of Unknown Primary",
        "Stage IV Hypopharyngeal Carcinoma AJCC v8",
        "Stage IV Laryngeal Cancer AJCC v8",
        "Stage IV Lip and Oral Cavity Cancer AJCC v8",
        "Stage IVA Hypopharyngeal Carcinoma AJCC v8",
        "Stage IVA Laryngeal Cancer AJCC v8",
        "Stage IVA Lip and Oral Cavity Cancer AJCC v8",
        "Stage IVB Hypopharyngeal Carcinoma AJCC v8",
        "Stage IVB Laryngeal Cancer AJCC v8",
        "Stage IVB Lip and Oral Cavity Cancer AJCC v8",
        "Stage IVC Hypopharyngeal Carcinoma AJCC v8",
        "Stage IVC Laryngeal Cancer AJCC v8",
        "Stage IVC Lip and Oral Cavity Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cemiplimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Marcelo Bonomi",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2021-11-30",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04862650"
    },
    {
      "nct_id": "NCT06868433",
      "title": "TMV Vaccine Therapy Alone and With Pembrolizumab for the Treatment of Recurrent and/or Metastatic Head and Neck Squamous Cell Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Metastatic Head and Neck Squamous Cell Carcinoma",
        "Metastatic Hypopharyngeal Squamous Cell Carcinoma",
        "Metastatic Laryngeal Squamous Cell Carcinoma",
        "Metastatic Nasopharyngeal Squamous Cell Carcinoma",
        "Metastatic Oral Cavity Squamous Cell Carcinoma",
        "Metastatic Oropharyngeal Squamous Cell Carcinoma",
        "Metastatic Sinonasal Squamous Cell Carcinoma",
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Nasopharyngeal Squamous Cell Carcinoma",
        "Recurrent Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma",
        "Recurrent Sinonasal Squamous Cell Carcinoma",
        "Squamous Cell Carcinoma of Unknown Primary",
        "Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8",
        "Stage IV Hypopharyngeal Carcinoma AJCC v8",
        "Stage IV Laryngeal Cancer AJCC v8",
        "Stage IV Lip and Oral Cavity Cancer AJCC v8",
        "Stage IV Nasopharyngeal Carcinoma AJCC v8",
        "Stage IV Oropharyngeal (p16-Negative) Carcinoma AJCC v8",
        "Stage IV Sinonasal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Autologous Tumor Membrane Vesicles Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-05-08",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06868433"
    },
    {
      "nct_id": "NCT03422536",
      "title": "Ficlatuzumab w/wo Cetuximab in Patients w/Cetuximab-Resistant, Recurrent or Metastatic Head/Neck Squamous Cell Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Basaloid Carcinoma",
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma",
        "Squamous Cell Carcinoma of Unknown Primary Origin",
        "Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage IV Oropharyngeal Squamous Cell Carcinoma",
        "Stage IVA Lip and Oral Cavity Squamous Cell Carcinoma",
        "Stage IVA Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Stage IVA Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage IVA Oropharyngeal Squamous Cell Carcinoma",
        "Stage IVB Lip and Oral Cavity Squamous Cell Carcinoma",
        "Stage IVB Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Stage IVB Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage IVB Oropharyngeal Squamous Cell Carcinoma",
        "Stage IVC Lip and Oral Cavity Squamous Cell Carcinoma",
        "Stage IVC Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Stage IVC Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage IVC Oropharyngeal Squamous Cell Carcinoma",
        "Head and Neck Cancer",
        "Oropharyngeal Cancer",
        "HNSCC",
        "Stage IV Lip and Oral Cavity Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ficlatuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 78,
      "start_date": "2017-12-05",
      "completion_date": "2022-04-05",
      "has_results": true,
      "last_update_posted_date": "2024-09-04",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 6,
      "location_summary": "Tucson, Arizona • New Haven, Connecticut • Tampa, Florida + 3 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03422536"
    },
    {
      "nct_id": "NCT00353015",
      "title": "Irinotecan and Cisplatin for High Grade Neuroendocrine Carcinoma of the Gastrointestinal Tract",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gastrointestinal Cancer",
        "Carcinoma, Neuroendocrine"
      ],
      "interventions": [
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 21,
      "start_date": "2003-03",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2012-08-02",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00353015"
    },
    {
      "nct_id": "NCT05461430",
      "title": "Mass Response of Tumor Cells as a Biomarker for Rapid Therapy Guidance (TraveraRTGx)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pleural Effusion, Malignant",
        "Ascites, Malignant",
        "Carcinoma",
        "Carcinoma, Hepatocellular",
        "Carcinoma, Renal Cell",
        "Carcinoma, Renal",
        "Carcinoma, Small Cell",
        "Carcinoma, Non-Small-Cell Lung",
        "Carcinoma, Pancreatic Ductal",
        "Carcinoma, Neuroendocrine",
        "Carcinoma, Thymic",
        "Carcinoma, Pancreatic",
        "Carcinoma Breast",
        "Carcinoma, Ovarian",
        "Carcinoma Bladder",
        "Carcinoma of Unknown Primary",
        "Carcinoma of the Head and Neck",
        "Carcinoma of the Oropharynx",
        "Carcinoma of the Larynx",
        "Carcinoma of the Bladder",
        "Carcinoma of Esophagus",
        "Carcinoma of the Nasopharynx",
        "Carcinoma of the Penis",
        "Carcinoma of the Cervix",
        "Carcinoma of the Anus",
        "Carcinoma of the Vulva",
        "Carcinoma of the Appendix",
        "Carcinoma of the Oral Cavity",
        "Cholangiocarcinoma",
        "Melanoma",
        "Mesothelioma",
        "Pancreatic Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Travera Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2022-07-15",
      "completion_date": "2026-03-23",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05461430"
    },
    {
      "nct_id": "NCT00003526",
      "title": "Antineoplaston Therapy in Treating Patients With Cancer of Unknown Primary Origin",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Unknown Primary Carcinoma"
      ],
      "interventions": [
        {
          "name": "Antineoplaston therapy (Atengenal + Astugenal)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Burzynski Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "6 Months to 99 Years"
      },
      "enrollment_count": 8,
      "start_date": "1996-03-18",
      "completion_date": "2005-02-02",
      "has_results": true,
      "last_update_posted_date": "2020-12-17",
      "last_synced_at": "2026-06-10T22:15:31.864Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003526"
    }
  ]
}