{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Osteosarcoma&page=4",
    "query": {
      "condition": "Secondary Osteosarcoma",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 158,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Osteosarcoma&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondary+Osteosarcoma&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T05:52:15.026Z",
  "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": "NCT00550654",
      "title": "Conformal Radiation Therapy in Treating Patients With Metastatic Cancer Outside the Brain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Cancer",
        "Melanoma (Skin)",
        "Metastatic Cancer",
        "Ovarian Cancer",
        "Sarcoma",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "3-dimensional conformal radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "hypofractionated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "image-guided radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "tomotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2007-10",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2017-01-13",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00550654"
    },
    {
      "nct_id": "NCT01803152",
      "title": "Dendritic Cell Vaccine for Children and Adults With Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sarcoma",
        "Soft Tissue Sarcoma",
        "Bone Sarcoma"
      ],
      "interventions": [
        {
          "name": "Dendritic Cells Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lysate of Tumor",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Imiquimod",
          "type": "DRUG"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Macarena De La Fuente, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "1 Year to 100 Years"
      },
      "enrollment_count": 19,
      "start_date": "2014-01-06",
      "completion_date": "2024-06-21",
      "has_results": false,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01803152"
    },
    {
      "nct_id": "NCT00093821",
      "title": "Tanespimycin in Treating Young Patients With Recurrent or Refractory Leukemia or Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Childhood Chronic Myelogenous Leukemia",
        "Childhood Desmoplastic Small Round Cell Tumor",
        "Disseminated Neuroblastoma",
        "Metastatic Childhood Soft Tissue Sarcoma",
        "Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Metastatic Osteosarcoma",
        "Previously Treated Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia",
        "Recurrent Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Soft Tissue Sarcoma",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Neuroblastoma",
        "Recurrent Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "tanespimycin",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 70,
      "start_date": "2004-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-04",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00093821"
    },
    {
      "nct_id": "NCT00001436",
      "title": "A Phase I Study of OncoLAR® (Registered Trademark) (NSC 685403) With/Without Tamoxifen in Patients With Osteosarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplasm Metastasis",
        "Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "OncoLAR® (Registered Trademark)",
          "type": "DRUG"
        },
        {
          "name": "tamoxifen",
          "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": 24,
      "start_date": "1995-05",
      "completion_date": "2000-09",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001436"
    },
    {
      "nct_id": "NCT05605522",
      "title": "A Study of [225Ac]-FPI-2059 in Adult Participants With Solid Tumours",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Ductal Adenocarcinoma (PDAC)",
        "Squamous Cell Carcinoma of Head and Neck",
        "Colorectal Cancer",
        "Gastric Cancer",
        "Ewing Sarcoma",
        "NTSR1 Expressing Solid Tumours",
        "Neuroendocrine Differentiated (NED) Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "[225]-FPI-2059",
          "type": "DRUG"
        },
        {
          "name": "[111In]-FPI-2058",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "3B Pharmaceuticals GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2023-02-07",
      "completion_date": "2025-02-20",
      "has_results": false,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Duarte, California • Newport Beach, California + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Glen Burnie",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05605522"
    },
    {
      "nct_id": "NCT00003023",
      "title": "Monoclonal Antibody A1G4 Plus BCG in Treating Patients With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroblastoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "BCG vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "monoclonal antibody A1G4 anti-idiotype vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 24,
      "start_date": "1997-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-18",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003023"
    },
    {
      "nct_id": "NCT00001566",
      "title": "A Pilot Study of Autologous T-Cell Transplantation With Vaccine Driven Expansion of Anti-Tumor Effectors After Cytoreductive Therapy in Metastatic Pediatric Sarcomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ewing's Sarcoma",
        "Rhabdomyosarcoma"
      ],
      "interventions": [
        {
          "name": "therapeutic autologous dendritic cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "indinavir sulfate",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "5 Years to 35 Years"
      },
      "enrollment_count": 42,
      "start_date": "1996-12",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2012-06-15",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001566"
    },
    {
      "nct_id": "NCT03244020",
      "title": "LMWH vs Aspirin for VTE Prophylaxis in Orthopaedic Oncology",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sarcoma",
        "Soft Tissue Sarcoma",
        "Bone Sarcoma",
        "Bone Metastases",
        "Venous Thromboembolism",
        "Hematoma",
        "Anticoagulant-induced Bleeding"
      ],
      "interventions": [
        {
          "name": "Aspirin 325mg",
          "type": "DRUG"
        },
        {
          "name": "Enoxaparin 40Mg/0.4mL Prefilled Syringe",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2868,
      "start_date": "2018-02-16",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Tampa, Florida • New Orleans, Louisiana + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03244020"
    },
    {
      "nct_id": "NCT02304458",
      "title": "Nivolumab With or Without Ipilimumab in Treating Younger Patients With Recurrent or Refractory Solid Tumors or Sarcomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Melanoma",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Hodgkin Lymphoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Melanoma",
        "Recurrent Neuroblastoma",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Osteosarcoma",
        "Recurrent Rhabdomyosarcoma",
        "Refractory Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Refractory Hodgkin Lymphoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Melanoma",
        "Refractory Neuroblastoma",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Osteosarcoma",
        "Refractory Rhabdomyosarcoma",
        "Stage III Cutaneous Melanoma AJCC v7",
        "Stage IIIA Cutaneous Melanoma AJCC v7",
        "Stage IIIB Cutaneous Melanoma AJCC v7",
        "Stage IIIC Cutaneous Melanoma AJCC v7",
        "Stage IV Cutaneous Melanoma AJCC v6 and v7",
        "Unresectable Melanoma"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "12 Months to 30 Years"
      },
      "enrollment_count": 140,
      "start_date": "2015-03-30",
      "completion_date": "2023-03-31",
      "has_results": true,
      "last_update_posted_date": "2023-10-17",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02304458"
    },
    {
      "nct_id": "NCT03525392",
      "title": "Study to Evaluate the Safety and Activity (Including Distribution) of 177Lu-3BP-227 in Subjects With Solid Tumours Expressing Neurotensin Receptor Type 1.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Ductal Adenocarcinoma",
        "Colorectal Cancer",
        "Gastric Cancer",
        "Squamous Cell Carcinoma of the Head and Neck",
        "Bone Cancer",
        "Advanced Cancer",
        "Recurrent Disease",
        "Metastatic Tumours"
      ],
      "interventions": [
        {
          "name": "177Lu-3BP-227 (also called 177Lu-IPN01087)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ipsen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2018-05-03",
      "completion_date": "2021-04-28",
      "has_results": true,
      "last_update_posted_date": "2023-12-12",
      "last_synced_at": "2026-10-17T05:52:15.026Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03525392"
    }
  ]
}