{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metastatic+Carcinoma+of+Unknown+Primary&page=2",
    "query": {
      "condition": "Metastatic Carcinoma of Unknown Primary",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Metastatic+Carcinoma+of+Unknown+Primary&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T12:20:22.383Z",
  "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": "NCT07217028",
      "title": "Study Evaluating [18F]NOTA-ABY030 for Safety and Tolerability of Indeterminate Primary and/or Metastatic Disease in Head and Neck Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "SCC - Squamous Cell Carcinoma",
        "Radiotracer",
        "Head and Neck Squamous Cell Carcinoma",
        "Metastatic Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cetuximab (EGFR inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "18F-NOTA-ABY-030",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography (PET)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 25,
      "start_date": "2026-04-24",
      "completion_date": "2030-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217028"
    },
    {
      "nct_id": "NCT01366144",
      "title": "Veliparib, Paclitaxel, and Carboplatin in Treating Patients With Solid Tumors That Are Metastatic or Cannot Be Removed by Surgery and Liver or Kidney Dysfunction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Carcinoma of Unknown Primary",
        "Endometrial Carcinoma",
        "Esophageal Carcinoma",
        "Liver Failure",
        "Lung Carcinoma",
        "Malignant Head and Neck Neoplasm",
        "Malignant Testicular Neoplasm",
        "Melanoma",
        "Metastatic Malignant Solid Neoplasm",
        "Ovarian Carcinoma",
        "Renal Failure",
        "Unresectable Malignant Neoplasm",
        "Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Veliparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 94,
      "start_date": "2011-06-20",
      "completion_date": "2027-03-03",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 17,
      "location_summary": "Duarte, California • Sacramento, California • South Pasadena, California + 13 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "South Pasadena",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01366144"
    },
    {
      "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": "2026-06-10T12:20:22.383Z",
      "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": "NCT02721732",
      "title": "Pembrolizumab in Treating Patients With Rare Tumors That Cannot Be Removed by Surgery or Are Metastatic",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Carcinoma of Unknown Primary",
        "Metastatic Adrenal Gland Pheochromocytoma",
        "Metastatic Kidney Medullary Carcinoma",
        "Metastatic Malignant Germ Cell Tumor",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Paraganglioma",
        "Metastatic Penile Carcinoma",
        "Metastatic Skin Squamous Cell Carcinoma",
        "Small Cell Carcinoma",
        "Stage III Adrenal Cortex Carcinoma AJCC v7",
        "Stage IV Adrenal Cortex Carcinoma AJCC v7",
        "Stage IV Penile Cancer AJCC v7",
        "Stage IV Renal Cell Cancer AJCC v7",
        "Unresectable Adrenal Gland Pheochromocytoma",
        "Unresectable Paraganglioma",
        "Unresectable Skin Squamous Cell Carcinoma",
        "Unresectable Solid Neoplasm",
        "Vascular Neoplasm"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "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": 157,
      "start_date": "2016-08-15",
      "completion_date": "2028-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02721732"
    },
    {
      "nct_id": "NCT00004074",
      "title": "Interleukin-12 and Trastuzumab in Treating Patients With Cancer That Has High Levels of HER2/Neu",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Adult Primary Liver Cancer",
        "Anaplastic Thyroid Cancer",
        "Bone Metastases",
        "Carcinoma of the Appendix",
        "Distal Urethral Cancer",
        "Fallopian Tube Cancer",
        "Gastrinoma",
        "Glucagonoma",
        "Inflammatory Breast Cancer",
        "Insulinoma",
        "Liver Metastases",
        "Localized Unresectable Adult Primary Liver Cancer",
        "Lung Metastases",
        "Male Breast Cancer",
        "Malignant Pericardial Effusion",
        "Malignant Pleural Effusion",
        "Metastatic Gastrointestinal Carcinoid Tumor",
        "Metastatic Parathyroid Cancer",
        "Metastatic Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Newly Diagnosed Carcinoma of Unknown Primary",
        "Occult Non-small Cell Lung Cancer",
        "Pancreatic Polypeptide Tumor",
        "Primary Peritoneal Cavity Cancer",
        "Proximal Urethral Cancer",
        "Pulmonary Carcinoid Tumor",
        "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity",
        "Recurrent Adrenocortical Carcinoma",
        "Recurrent Adult Primary Liver Cancer",
        "Recurrent Anal Cancer",
        "Recurrent Bladder Cancer",
        "Recurrent Breast Cancer",
        "Recurrent Carcinoma of Unknown Primary",
        "Recurrent Cervical Cancer",
        "Recurrent Colon Cancer",
        "Recurrent Endometrial Carcinoma",
        "Recurrent Esophageal Cancer",
        "Recurrent Extrahepatic Bile Duct Cancer",
        "Recurrent Gallbladder Cancer",
        "Recurrent Gastric Cancer",
        "Recurrent Gastrointestinal Carcinoid Tumor",
        "Recurrent Islet Cell Carcinoma",
        "Recurrent Malignant Testicular Germ Cell Tumor",
        "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity",
        "Recurrent Non-small Cell Lung Cancer",
        "Recurrent Ovarian Epithelial Cancer",
        "Recurrent Pancreatic Cancer",
        "Recurrent Parathyroid Cancer",
        "Recurrent Prostate Cancer",
        "Recurrent Rectal Cancer",
        "Recurrent Renal Cell Cancer",
        "Recurrent Salivary Gland Cancer",
        "Recurrent Small Intestine Cancer",
        "Recurrent Squamous Cell Carcinoma of the Larynx",
        "Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Recurrent Squamous Cell Carcinoma of the Nasopharynx",
        "Recurrent Squamous Cell Carcinoma of the Oropharynx",
        "Recurrent Thyroid Cancer",
        "Recurrent Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Recurrent Urethral Cancer",
        "Recurrent Vaginal Cancer",
        "Recurrent Vulvar Cancer",
        "Skin Metastases",
        "Small Intestine Adenocarcinoma",
        "Somatostatinoma",
        "Stage III Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage III Adrenocortical Carcinoma",
        "Stage III Bladder Cancer",
        "Stage III Cervical Cancer",
        "Stage III Colon Cancer",
        "Stage III Endometrial Carcinoma",
        "Stage III Esophageal Cancer",
        "Stage III Follicular Thyroid Cancer",
        "Stage III Gastric Cancer",
        "Stage III Malignant Testicular Germ Cell Tumor",
        "Stage III Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage III Ovarian Epithelial Cancer",
        "Stage III Pancreatic Cancer",
        "Stage III Papillary Thyroid Cancer",
        "Stage III Prostate Cancer",
        "Stage III Rectal Cancer",
        "Stage III Renal Cell Cancer",
        "Stage III Salivary Gland Cancer",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Nasopharynx",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Vaginal Cancer",
        "Stage III Vulvar Cancer",
        "Stage IIIA Anal Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIA Non-small Cell Lung Cancer",
        "Stage IIIB Anal Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIB Non-small Cell Lung Cancer",
        "Stage IV Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IV Adrenocortical Carcinoma",
        "Stage IV Anal Cancer",
        "Stage IV Bladder Cancer",
        "Stage IV Breast Cancer",
        "Stage IV Colon Cancer",
        "Stage IV Endometrial Carcinoma",
        "Stage IV Esophageal Cancer",
        "Stage IV Follicular Thyroid Cancer",
        "Stage IV Gastric Cancer",
        "Stage IV Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage IV Non-small Cell Lung Cancer",
        "Stage IV Ovarian Epithelial Cancer",
        "Stage IV Pancreatic Cancer",
        "Stage IV Papillary Thyroid Cancer",
        "Stage IV Prostate Cancer",
        "Stage IV Rectal Cancer",
        "Stage IV Renal Cell Cancer",
        "Stage IV Salivary Gland Cancer",
        "Stage IV Squamous Cell Carcinoma of the Larynx",
        "Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IV Squamous Cell Carcinoma of the Nasopharynx",
        "Stage IV Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Cervical Cancer",
        "Stage IVA Vaginal Cancer",
        "Stage IVB Cervical Cancer",
        "Stage IVB Vaginal Cancer",
        "Stage IVB Vulvar Cancer",
        "Thyroid Gland Medullary Carcinoma",
        "Unresectable Extrahepatic Bile Duct Cancer",
        "Unresectable Gallbladder Cancer",
        "Urethral Cancer Associated With Invasive Bladder Cancer",
        "WDHA Syndrome"
      ],
      "interventions": [
        {
          "name": "recombinant interleukin-12",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ABI-007/carboplatin/trastuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 15,
      "start_date": "1999-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-28",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004074"
    },
    {
      "nct_id": "NCT05024968",
      "title": "Sintilimab in Cancer of Unknown Primary",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer of Unknown Primary Site"
      ],
      "interventions": [
        {
          "name": "Sintilimab",
          "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": 10,
      "start_date": "2021-08-26",
      "completion_date": "2025-04-03",
      "has_results": true,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05024968"
    },
    {
      "nct_id": "NCT00003548",
      "title": "Aminocamptothecin in Treating Patients With Advanced Cancer of the Peritoneal Cavity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "aminocamptothecin colloidal dispersion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "1998-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-03-28",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003548"
    },
    {
      "nct_id": "NCT00003657",
      "title": "High-dose ICE With Amifostine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Brain and Central Nervous System Tumors",
        "Carcinoma of Unknown Primary",
        "Extragonadal Germ Cell Tumor",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Lung Cancer",
        "Ovarian Cancer",
        "Sarcoma",
        "Testicular Germ Cell Tumor",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Amifostine",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "1998-07",
      "completion_date": "2002-06",
      "has_results": false,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003657"
    },
    {
      "nct_id": "NCT04459273",
      "title": "Prospective Exploratory Study of FAPi PET/CT With Histopathology Validation in Patients With Various Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bladder Carcinoma",
        "Cervical Carcinoma",
        "Cholangiocarcinoma",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Hepatocellular Carcinoma",
        "Malignant Adrenal Gland Neoplasm",
        "Malignant Brain Neoplasm",
        "Malignant Pleural Neoplasm",
        "Malignant Skin Neoplasm",
        "Malignant Solid Neoplasm",
        "Malignant Testicular Neoplasm",
        "Malignant Thymus Neoplasm",
        "Neuroendocrine Neoplasm",
        "Thyroid Gland Carcinoma",
        "Urothelial Carcinoma",
        "Cancer of Unknown Primary Site"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Gallium Ga 68 FAPi-46",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "18F-FDG",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Jonsson Comprehensive 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": 26,
      "start_date": "2020-08-27",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04459273"
    },
    {
      "nct_id": "NCT00388024",
      "title": "PET Scans and CT Scans in Patients With Locally Advanced Head and Neck Cancer Undergoing Chemotherapy and Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carcinoma of Unknown Primary",
        "Head and Neck Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2006-02",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-06-10T12:20:22.383Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00388024"
    }
  ]
}