{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+IV+Nasopharyngeal+Carcinoma&page=3",
    "query": {
      "condition": "Stage IV Nasopharyngeal Carcinoma",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 177,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+IV+Nasopharyngeal+Carcinoma&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+IV+Nasopharyngeal+Carcinoma&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T16:52:16.729Z",
  "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": "NCT00023790",
      "title": "Photodynamic Therapy in Treating Patients With Skin Cancer or Solid Tumors Metastatic to the Skin",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Head and Neck Cancer",
        "Lymphoma",
        "Metastatic Cancer",
        "Non-melanomatous Skin Cancer",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "silicon phthalocyanine 4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Case 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": 3,
      "start_date": "2001-08",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2011-08-24",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00023790"
    },
    {
      "nct_id": "NCT00023959",
      "title": "Bevacizumab, Fluorouracil, and Hydroxyurea Plus Radiation Therapy in Treating Patients With Advanced Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma",
        "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity",
        "Recurrent Basal Cell Carcinoma of the Lip",
        "Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Lymphoepithelioma of the Nasopharynx",
        "Recurrent Lymphoepithelioma of the Oropharynx",
        "Recurrent Metastatic Squamous Neck Cancer With Occult Primary",
        "Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity",
        "Recurrent Salivary Gland Cancer",
        "Recurrent Squamous Cell Carcinoma of the Hypopharynx",
        "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 Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Verrucous Carcinoma of the Larynx",
        "Recurrent Verrucous Carcinoma of the Oral Cavity",
        "Stage III Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage III Basal Cell Carcinoma of the Lip",
        "Stage III Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity",
        "Stage III Inverted Papilloma of the Paranasal Sinus and Nasal Cavity",
        "Stage III Lymphoepithelioma of the Nasopharynx",
        "Stage III Lymphoepithelioma of the Oropharynx",
        "Stage III Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity",
        "Stage III Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage III Salivary Gland Cancer",
        "Stage III Squamous Cell Carcinoma of the Hypopharynx",
        "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 Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage III Verrucous Carcinoma of the Larynx",
        "Stage III Verrucous Carcinoma of the Oral Cavity",
        "Stage IV Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IV Basal Cell Carcinoma of the Lip",
        "Stage IV Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Inverted Papilloma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Lymphoepithelioma of the Nasopharynx",
        "Stage IV Lymphoepithelioma of the Oropharynx",
        "Stage IV Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage IV Salivary Gland Cancer",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "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 IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IV Verrucous Carcinoma of the Larynx",
        "Stage IV Verrucous Carcinoma of the Oral Cavity",
        "Untreated Metastatic Squamous Neck Cancer With Occult Primary"
      ],
      "interventions": [
        {
          "name": "hydroxyurea",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "RADIATION",
        "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": 39,
      "start_date": "2001-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-07",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00023959"
    },
    {
      "nct_id": "NCT00098631",
      "title": "Lapatinib in Treating Patients With Recurrent and/or Metastatic Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Squamous Neck Cancer With Occult Primary",
        "Recurrent Metastatic Squamous Neck Cancer With Occult Primary",
        "Recurrent Squamous Cell Carcinoma of the Hypopharynx",
        "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 Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Salivary Gland Squamous Cell Carcinoma",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "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 IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Untreated Metastatic Squamous Neck Cancer With Occult Primary"
      ],
      "interventions": [
        {
          "name": "lapatinib ditosylate",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "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": 88,
      "start_date": "2004-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-01-07",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00098631"
    },
    {
      "nct_id": "NCT03074513",
      "title": "Atezolizumab and Bevacizumab in Treating Patients With Rare Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Appendix Adenocarcinoma",
        "Human Papillomavirus-Related Anal Squamous Cell Carcinoma",
        "Human Papillomavirus-Related Cervical Squamous Cell Carcinoma",
        "Human Papillomavirus-Related Squamous Cell Carcinoma of the Penis",
        "Human Papillomavirus-Related Vulvar Squamous Cell Carcinoma",
        "Neuroendocrine Carcinoma",
        "Pancreatic Neuroendocrine Tumor",
        "Recurrent Merkel Cell Carcinoma",
        "Recurrent Nasopharynx Carcinoma",
        "Recurrent Peritoneal Malignant Mesothelioma",
        "Recurrent Pleural Malignant Mesothelioma",
        "Stage III Merkel Cell Carcinoma AJCC v7",
        "Stage III Nasopharyngeal Carcinoma AJCC v7",
        "Stage III Pleural Malignant Mesothelioma AJCC v7",
        "Stage IV Merkel Cell Carcinoma AJCC v7",
        "Stage IV Nasopharyngeal Carcinoma AJCC v7",
        "Stage IV Pleural Malignant Mesothelioma AJCC v7",
        "Stage IVA Nasopharyngeal Carcinoma AJCC v7",
        "Stage IVB Nasopharyngeal Carcinoma AJCC v7",
        "Stage IVC Nasopharyngeal Carcinoma AJCC v7",
        "Vaginal Squamous Cell Carcinoma, Not Otherwise Specified"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 133,
      "start_date": "2017-03-03",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03074513"
    },
    {
      "nct_id": "NCT00851253",
      "title": "Stereotactic Radiosurgery in Treating Patients With Locally Advanced or Recurrent Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "stereotactic radiosurgery",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2009-01",
      "completion_date": "2017-04",
      "has_results": true,
      "last_update_posted_date": "2018-01-17",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851253"
    },
    {
      "nct_id": "NCT00019110",
      "title": "Vaccine Therapy in Treating Patients With Advanced or Recurrent Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anal Cancer",
        "Cervical Cancer",
        "Esophageal Cancer",
        "Head and Neck Cancer",
        "Penile Cancer",
        "Vulvar Cancer"
      ],
      "interventions": [
        {
          "name": "human papillomavirus 16 E7 peptide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "synthetic human papillomavirus 16 E6 peptide",
          "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": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": null,
      "start_date": "1995-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-04-29",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 6,
      "location_summary": "Bethesda, Maryland • Boston, Massachusetts • Morristown, New Jersey + 1 more",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Morristown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00019110"
    },
    {
      "nct_id": "NCT01096381",
      "title": "Potential Biomarkers for Bevacizumab-Induced High Blood Pressure in Patients With Solid Tumor",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Cardiovascular Complications",
        "Colorectal Cancer",
        "Fallopian Tube Cancer",
        "Head and Neck Cancer",
        "Lung Cancer",
        "Ovarian Cancer",
        "Peritoneal Cavity Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 8,
      "start_date": "2010-03",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-02-27",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01096381"
    },
    {
      "nct_id": "NCT00003592",
      "title": "Methotrexate Compared With Paclitaxel in Treating Patients With Advanced Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "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": 230,
      "start_date": "1999-04-22",
      "completion_date": "2004-03-02",
      "has_results": false,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 19,
      "location_summary": "Atlanta, Georgia • Decatur, Georgia • Chicago, Illinois + 13 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003592"
    },
    {
      "nct_id": "NCT00036790",
      "title": "Motexafin Gadolinium and Doxorubicin in Treating Patients With Advanced Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Chronic Myeloproliferative Disorders",
        "Colorectal Cancer",
        "Head and Neck Cancer",
        "Leukemia",
        "Lung Cancer",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic/Myeloproliferative Diseases",
        "Prostate Cancer",
        "Small Intestine Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "motexafin gadolinium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": null,
      "start_date": "2002-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2019-12-17",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Madison, Wisconsin",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00036790"
    },
    {
      "nct_id": "NCT00045006",
      "title": "Suberoylanilide Hydroxamic Acid in Treating Patients With Advanced Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "vorinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering 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": null,
      "start_date": "2001-07",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2013-05-30",
      "last_synced_at": "2026-10-13T16:52:16.729Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00045006"
    }
  ]
}