{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Unresectable+Osteosarcoma&page=2",
    "query": {
      "condition": "Unresectable Osteosarcoma",
      "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=Unresectable+Osteosarcoma&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T03:08:19.174Z",
  "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": "NCT01310816",
      "title": "A Safety and Efficacy Study of Patients With Metastatic or Locally Advanced (Unresectable) Chondrosarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Conventional Chondrosarcoma"
      ],
      "interventions": [
        {
          "name": "IPI-926",
          "type": "DRUG"
        },
        {
          "name": "Placebo Arm",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Infinity Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2011-02",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2013-12-05",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 15,
      "location_summary": "Scottsdale, Arizona • Santa Monica, California • Aurora, Colorado + 11 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01310816"
    },
    {
      "nct_id": "NCT06571734",
      "title": "XL092 (Zanzalintinib) for the Treatment of Patients With Metastatic or Unresectable Leiomyosarcoma, Bone Sarcoma or Translocation-associated Soft Tissue Sarcoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Leiomyosarcoma",
        "Unresectable Leiomyosarcoma",
        "Bone Sarcoma",
        "Translocation-associated Soft Tissue Sarcoma",
        "Synovial Sarcomas",
        "Osteosarcoma Metastatic",
        "Ewing Sarcoma",
        "Ewing Sarcoma Metastatic",
        "Sarcoma Metastatic",
        "Sarcoma of Bone"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Zanzalintinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2024-09-19",
      "completion_date": "2033-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06571734"
    },
    {
      "nct_id": "NCT02500797",
      "title": "Nivolumab With or Without Ipilimumab in Treating Patients With Metastatic Sarcoma That Cannot Be Removed by Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Bone Sarcoma",
        "Locally Advanced Dedifferentiated Liposarcoma",
        "Locally Advanced Gastrointestinal Stromal Tumor",
        "Locally Advanced Soft Tissue Sarcoma",
        "Metastatic Bone Sarcoma",
        "Metastatic Liposarcoma",
        "Metastatic Soft Tissue Sarcoma",
        "Metastatic Undifferentiated Pleomorphic Sarcoma",
        "Metastatic Unresectable Sarcoma",
        "Pleomorphic Liposarcoma",
        "Stage III Bone Sarcoma AJCC v7",
        "Stage III Soft Tissue Sarcoma AJCC v7",
        "Stage IV Bone Sarcoma AJCC v7",
        "Stage IV Soft Tissue Sarcoma AJCC v7",
        "Stage IVA Bone Sarcoma AJCC v7",
        "Stage IVB Bone Sarcoma AJCC v7",
        "Unresectable Bone Sarcoma",
        "Unresectable Dedifferentiated Liposarcoma",
        "Unresectable Liposarcoma",
        "Unresectable Malignant Gastrointestinal Stromal Tumor",
        "Unresectable Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 164,
      "start_date": "2015-08-13",
      "completion_date": "2023-04-01",
      "has_results": true,
      "last_update_posted_date": "2023-10-17",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 651,
      "location_summary": "Anchorage, Alaska • Hot Springs, Arkansas • Little Rock, Arkansas + 402 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02500797"
    },
    {
      "nct_id": "NCT01169584",
      "title": "Safety Study of Recombinant Vaccinia Virus to Treat Refractory Solid Tumors in Pediatric Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroblastoma",
        "Rhabdomyosarcoma",
        "Lymphoma",
        "Wilm's Tumor",
        "Ewing's Sarcoma"
      ],
      "interventions": [
        {
          "name": "Recombinant Vaccinia GM-CSF; RAC VAC GM-CSF (JX-594)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jennerex Biotherapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "2 Years to 21 Years"
      },
      "enrollment_count": 6,
      "start_date": "2010-08",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2016-01-21",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio • Houston, Texas",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01169584"
    },
    {
      "nct_id": "NCT00003926",
      "title": "Amifostine to Protect From Side Effects of PSCT in Treating Patients With Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Childhood Germ Cell Tumor",
        "Chordoma",
        "Kidney Cancer",
        "Liver Cancer",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Retinoblastoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "amifostine trihydrate",
          "type": "DRUG"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "filgrastim",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "thiotepa",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation (PBSC)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "1 Year to 45 Years"
      },
      "enrollment_count": 13,
      "start_date": "1998-11",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2017-11-29",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003926"
    },
    {
      "nct_id": "NCT00024258",
      "title": "Arsenic Trioxide in Treating Patients With Advanced Neuroblastoma or Other Childhood Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Childhood Germ Cell Tumor",
        "Extragonadal Germ Cell Tumor",
        "Kidney Cancer",
        "Liver Cancer",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Retinoblastoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "arsenic trioxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "Up to 40 Years"
      },
      "enrollment_count": 22,
      "start_date": "2001-03",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2015-11-25",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00024258"
    },
    {
      "nct_id": "NCT04616248",
      "title": "In Situ Immunomodulation With CDX-301, Radiation Therapy, CDX-1140 and Poly-ICLC in Patients w/ Unresectable and Metastatic Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Metastatic Breast Carcinoma",
        "Prognostic Stage IV Breast Cancer AJCC v8",
        "Unresectable Breast Carcinoma",
        "Metastatic Melanoma",
        "Unresectable Melanoma",
        "Cutaneous Squamous Cell Carcinoma",
        "Merkel Cell Carcinoma",
        "Soft Tissue Sarcoma",
        "Bone Sarcoma",
        "Sarcoma,Soft Tissue",
        "Sarcoma of Bone",
        "Basal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Anti-CD40 Agonist Monoclonal Antibody CDX-1140",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Poly ICLC",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Recombinant Flt3 Ligand",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Tocilizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2023-01-09",
      "completion_date": "2028-01-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04616248"
    },
    {
      "nct_id": "NCT03468075",
      "title": "Gemcitabine Plus Ascorbate for Sarcoma in Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sarcoma",
        "Soft Tissue Sarcoma",
        "Unresectable Soft Tissue Sarcoma",
        "Metastatic Bone Tumor",
        "Bone Sarcoma"
      ],
      "interventions": [
        {
          "name": "Ascorbate",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mohammed Milhem, MBBS",
      "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": "2018-07-11",
      "completion_date": "2020-10-19",
      "has_results": true,
      "last_update_posted_date": "2020-12-10",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03468075"
    },
    {
      "nct_id": "NCT00001209",
      "title": "A Pilot Study for the Treatment of Patients With Metastatic and High Risk Sarcomas and Primitive Neuroectodermal Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroectodermal Tumor, Primitive",
        "Neuroepithelioma",
        "Osteosarcoma",
        "Sarcoma",
        "Sarcoma, Ewing's"
      ],
      "interventions": [
        {
          "name": "vincristine, adriamycin and cytoxan, alternating with ifosfamide VP-16",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 120,
      "start_date": "1986-10",
      "completion_date": "2000-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001209"
    },
    {
      "nct_id": "NCT02357810",
      "title": "Pazopanib Hydrochloride and Topotecan Hydrochloride in Treating Patients With Metastatic Soft Tissue and Bone Sarcomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adult Liposarcoma",
        "Metastatic Liposarcoma",
        "Metastatic Osteosarcoma",
        "Recurrent Adult Soft Tissue Sarcoma",
        "Recurrent Liposarcoma",
        "Recurrent Osteosarcoma",
        "Stage IV Adult Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Pazopanib Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Oral Topotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 178,
      "start_date": "2015-03-21",
      "completion_date": "2021-10-12",
      "has_results": true,
      "last_update_posted_date": "2022-06-07",
      "last_synced_at": "2026-06-26T03:08:19.174Z",
      "location_count": 8,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Lake Forest",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02357810"
    }
  ]
}