{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoblastic+Osteosarcoma",
    "query": {
      "condition": "Osteoblastic Osteosarcoma"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 377,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoblastic+Osteosarcoma&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T20:44:21.571Z",
  "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": "NCT06625190",
      "title": "Alpha/Beta T and B Cell Depletion With Zoledronic Acid for Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Neuroblastoma",
        "Rhabdomyosarcoma",
        "Synovial Sarcoma",
        "Peripheral Nerve Sheath Tumors",
        "Clear Cell Sarcoma",
        "Alveolar Soft Part Sarcoma",
        "Desmoplastic Small Round Cell Tumor",
        "Chordoma",
        "Rhabdoid Tumor",
        "Epithelioid Sarcoma",
        "Myoepithelial Tumor",
        "Osteosarcoma",
        "Ewing Sarcoma"
      ],
      "interventions": [
        {
          "name": "Miltenyi CliniMACS Prodigy ® system",
          "type": "DEVICE"
        },
        {
          "name": "Zoledronic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "6 Months to 25 Years"
      },
      "enrollment_count": 27,
      "start_date": "2026-02-11",
      "completion_date": "2030-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06625190"
    },
    {
      "nct_id": "NCT00026780",
      "title": "Eligibility Screening for a NCI Pediatric Oncology Branch Research Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ewing Sarcoma",
        "Osteosarcoma",
        "Neuroblastoma",
        "Acute Lymphoblastic Leukemia",
        "Neurofibromatosis Type 1"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "Up to 35 Years"
      },
      "enrollment_count": 1720,
      "start_date": "2001-09-24",
      "completion_date": "2020-10-07",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026780"
    },
    {
      "nct_id": "NCT00003597",
      "title": "Colony-Stimulating Factors in Treating Children With Recurrent or Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "recombinant human thrombopoietin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 16,
      "start_date": "1998-11",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2014-07-24",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 23,
      "location_summary": "Long Beach, California • Los Angeles, California • Orange, California + 16 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003597"
    },
    {
      "nct_id": "NCT02644460",
      "title": "Abemaciclib in Children With DIPG or Recurrent/Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diffuse Intrinsic Pontine Glioma",
        "Brain Tumor, Recurrent",
        "Solid Tumor, Recurrent",
        "Neuroblastoma, Recurrent, Refractory",
        "Ewing Sarcoma, Recurrent, Refractory",
        "Rhabdomyosarcoma, Recurrent, Refractory",
        "Osteosarcoma, Recurrent, Refractory",
        "Rhabdoid Tumor, Recurrent, Refractory"
      ],
      "interventions": [
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "2 Years to 25 Years"
      },
      "enrollment_count": 53,
      "start_date": "2016-02",
      "completion_date": "2023-10-10",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Aurora, Colorado • Atlanta, Georgia",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02644460"
    },
    {
      "nct_id": "NCT01204450",
      "title": "Temsirolimus and Valproic Acid in Treating Young Patients With Relapsed Neuroblastoma, Bone Sarcoma, or Soft Tissue Sarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Neuroblastoma",
        "Sarcoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "Temsirolimus",
          "type": "DRUG"
        },
        {
          "name": "Valproic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 7,
      "start_date": "2009-11",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2016-12-23",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Charlotte, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01204450"
    },
    {
      "nct_id": "NCT00036959",
      "title": "ABT-751 in Treating Young Patients With Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Childhood Germ Cell Tumor",
        "Extragonadal Germ Cell Tumor",
        "Kidney Cancer",
        "Liver Cancer",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Sarcoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "ABT-751",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 90,
      "start_date": "2002-03",
      "completion_date": "2010-02",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Bethesda, Maryland • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00036959"
    },
    {
      "nct_id": "NCT04833582",
      "title": "A Study of Azenosertib (ZN-c3) in Combination With Gemcitabine in Subjects With Osteosarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Azenosertib",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "K-Group, Beta, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2021-08-01",
      "completion_date": "2024-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 12,
      "location_summary": "Los Angeles, California • Oakland, California • Santa Monica, California + 9 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04833582"
    },
    {
      "nct_id": "NCT04308330",
      "title": "Vorinostat in Combination With Chemotherapy in Relapsed/Refractory Solid Tumors and CNS Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ewing Sarcoma",
        "Rhabdomyosarcoma",
        "Wilms Tumor",
        "Neuroblastoma",
        "Hepatoblastoma",
        "Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "Vorinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "1 Year to 30 Years"
      },
      "enrollment_count": 30,
      "start_date": "2017-03-17",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 1,
      "location_summary": "Valhalla, New York",
      "locations": [
        {
          "city": "Valhalla",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04308330"
    },
    {
      "nct_id": "NCT00003750",
      "title": "Biological Therapy in Treating Children With Refractory or Recurrent Neuroblastoma or Other Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma (Skin)",
        "Neuroblastoma",
        "Sarcoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "hu14.18-IL2 fusion protein",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 28,
      "start_date": "2001-10",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2014-08-08",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 54,
      "location_summary": "Little Rock, Arkansas • Duarte, California • La Jolla, California + 44 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003750"
    },
    {
      "nct_id": "NCT01953900",
      "title": "iC9-GD2-CAR-VZV-CTLs/Refractory or Metastatic GD2-positive Sarcoma and Neuroblastoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteosarcoma",
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "GD2 T cells",
          "type": "GENETIC"
        },
        {
          "name": "VZV vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 26,
      "start_date": "2014-04",
      "completion_date": "2034-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-06-10T20:44:21.571Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01953900"
    }
  ]
}