{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chondrosarcomas&page=2",
    "query": {
      "condition": "Chondrosarcomas",
      "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=Chondrosarcomas&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T23:53:37.511Z",
  "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": "NCT04673942",
      "title": "A Study of AdAPT-001 in Subjects With Sarcoma and Refractory Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Solid Tumor, Adult",
        "Cancer",
        "Neoplasms",
        "Sarcoma",
        "Sarcoma,Soft Tissue",
        "Chondrosarcoma"
      ],
      "interventions": [
        {
          "name": "AdAPT-001",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Checkpoint Inhibitor, Immune",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "EpicentRx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2021-03-29",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-10-26",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 6,
      "location_summary": "Duarte, California • San Marcos, California • Santa Monica, California + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "San Marcos",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04673942"
    },
    {
      "nct_id": "NCT03684811",
      "title": "A Study of FT-2102 in Patients With Advanced Solid Tumors and Gliomas With an IDH1 Mutation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cohort 1a and 1b: Glioma (Advanced Gliomas and Glioblastoma Multiforme)",
        "Cohort 2a and 2b: Hepatobiliary Tumors (Hepatocellular Carcinoma, Bile Duct Carcinoma, Intrahepatic Cholangiocarcinoma, Other Hepatobiliary Carcinomas)",
        "Cohort 3a and 3b: Chondrosarcoma",
        "Cohort 4a and 4b: Intrahepatic Cholangiocarcinoma",
        "Cohort 5a: Other Non-Central Nervous System Solid Tumors With IDH1 Mutations"
      ],
      "interventions": [
        {
          "name": "FT-2102",
          "type": "DRUG"
        },
        {
          "name": "Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Gemcitabine and Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Forma Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 93,
      "start_date": "2018-11-01",
      "completion_date": "2022-06-13",
      "has_results": true,
      "last_update_posted_date": "2023-11-18",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 14,
      "location_summary": "Gilbert, Arizona • Aurora, Colorado • Miami, Florida + 10 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03684811"
    },
    {
      "nct_id": "NCT04340843",
      "title": "Testing the Combination of Belinostat and SGI-110 (Guadecitabine) or ASTX727 for the Treatment of Unresectable and Metastatic Conventional Chondrosarcoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Unresectable Primary Central Chondrosarcoma",
        "Metastatic Primary Central Chondrosarcoma",
        "Unresectable Primary Central Chondrosarcoma"
      ],
      "interventions": [
        {
          "name": "Belinostat",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Decitabine and Cedazuridine",
          "type": "DRUG"
        },
        {
          "name": "Guadecitabine",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 19,
      "start_date": "2020-09-08",
      "completion_date": "2027-01-27",
      "has_results": true,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 39,
      "location_summary": "Phoenix, Arizona • Duarte, California • Los Angeles, California + 32 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04340843"
    },
    {
      "nct_id": "NCT05448820",
      "title": "YH001 Plus Envafolimab With or Without Doxorubicin in Patients With Advanced or Metastatic Sarcoma",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Advanced Sarcoma",
        "Metastatic Sarcoma",
        "Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "YH001",
          "type": "DRUG"
        },
        {
          "name": "Envafolimab",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tracon 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": 15,
      "start_date": "2022-11-14",
      "completion_date": "2025-09",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 6,
      "location_summary": "Santa Monica, California • Chicago, Illinois • New York, New York + 3 more",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05448820"
    },
    {
      "nct_id": "NCT04028479",
      "title": "The Registry of Oncology Outcomes Associated With Testing and Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adenocarcinoma",
        "Adenocystic Carcinoma",
        "Anal Cancer",
        "Appendix Cancer",
        "Brain Tumor",
        "Glioblastoma",
        "Astrocytoma",
        "Bile Duct Cancer",
        "Cholangiocarcinoma",
        "Bladder Cancer",
        "Bone Cancer",
        "Synovial Sarcoma",
        "Chondrosarcoma",
        "Liposarcoma",
        "Sarcoma, Kaposi",
        "Sarcoma,Soft Tissue",
        "Sarcoma",
        "Osteosarcoma",
        "CNS Cancer",
        "Brain Stem Neoplasms",
        "Breast Cancer",
        "Cervical Cancer",
        "Colorectal Cancer",
        "Rectal Cancer",
        "Colon Cancer",
        "Esophageal Cancer",
        "Esophagus Cancer",
        "Cancer of Colon",
        "Pancreatic Cancer",
        "Cancer of Pancreas",
        "Testis Cancer",
        "Testicular Cancer",
        "Ureter Cancer",
        "Renal Cell Carcinoma",
        "Kidney Cancer",
        "Gestational Trophoblastic Tumor",
        "Head and Neck Neoplasms",
        "Parotid Tumor",
        "Larynx Cancer",
        "Tongue Cancer",
        "Pharynx Cancer",
        "Salivary Gland Cancer",
        "Acute Myeloid Leukemia",
        "Chronic Myeloid Leukemia",
        "Acute Lymphoblastic Leukemia",
        "Multiple Myeloma",
        "Non Hodgkin Lymphoma",
        "Carcinoid Tumor",
        "Lung Cancer",
        "Neuroendocrine Tumors",
        "Mesothelioma",
        "Thyroid Cancer",
        "Parathyroid Neoplasms",
        "Adrenal Cancer",
        "Small Bowel Cancer",
        "Stomach Cancer",
        "Liver Cancer",
        "Hepatic Cancer",
        "Melanoma",
        "Skin Cancer",
        "Unknown Primary Tumors",
        "Uterine Cancer",
        "Fallopian Tube Cancer",
        "Ovarian Cancer",
        "Prostate Cancer",
        "Vaginal Cancer",
        "Penile Cancer",
        "Vulvar Cancer",
        "Waldenstrom Macroglobulinemia",
        "Cancer, Advanced",
        "Thymus Cancer",
        "Nasopharyngeal Carcinoma",
        "Multiple Endocrine Neoplasia",
        "Pheochromocytoma",
        "Small Cell Carcinoma",
        "Pulmonary Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biomarker Testing (L)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Systemic Treatment (T)",
          "type": "DRUG"
        },
        {
          "name": "Patient Reported Outcomes (P)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Taproot Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 167,
      "start_date": "2021-05-05",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 2,
      "location_summary": "Idaho Falls, Idaho • Laredo, Texas",
      "locations": [
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        },
        {
          "city": "Laredo",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04028479"
    },
    {
      "nct_id": "NCT00014456",
      "title": "Combination Chemotherapy Plus Filgrastim in Treating Patients With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bladder Cancer",
        "Breast Cancer",
        "Carcinoma of Unknown Primary",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Lung Cancer",
        "Melanoma (Skin)",
        "Ovarian Cancer",
        "Pancreatic Cancer",
        "Prostate Cancer",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock 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": 35,
      "start_date": "2000-03",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2013-08-28",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00014456"
    },
    {
      "nct_id": "NCT01344356",
      "title": "Stereotactic Body Radiotherapy for Head and Neck Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of the Head and Neck",
        "Nasopharyngeal Carcinoma",
        "Salivary Gland Cancer",
        "Head and Neck Sarcoma",
        "Paraganglioma of Head and Neck",
        "Chordoma of Head and Neck",
        "Chondrosarcoma of Head and Neck",
        "Angiofibroma of Head and Neck"
      ],
      "interventions": [
        {
          "name": "Stereotactic body radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Mercy Research",
      "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": "2008-07",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2020-04-10",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01344356"
    },
    {
      "nct_id": "NCT00004241",
      "title": "17-N-Allylamino-17-Demethoxygeldanamycin in Treating Patients With Advanced Epithelial Cancer, Malignant Lymphoma, or Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "AIDS-related Peripheral/Systemic Lymphoma",
        "AIDS-related Primary CNS Lymphoma",
        "Anaplastic Large Cell Lymphoma",
        "Angioimmunoblastic T-cell Lymphoma",
        "Chondrosarcoma",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Intraocular Lymphoma",
        "Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Metastatic Osteosarcoma",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Ovarian Sarcoma",
        "Primary Central Nervous System Non-Hodgkin Lymphoma",
        "Recurrent Adult Burkitt Lymphoma",
        "Recurrent Adult Diffuse Large Cell Lymphoma",
        "Recurrent Adult Diffuse Mixed Cell Lymphoma",
        "Recurrent Adult Diffuse Small Cleaved Cell Lymphoma",
        "Recurrent Adult Hodgkin Lymphoma",
        "Recurrent Adult Immunoblastic Large Cell Lymphoma",
        "Recurrent Adult Lymphoblastic Lymphoma",
        "Recurrent Adult Soft Tissue Sarcoma",
        "Recurrent Adult T-cell Leukemia/Lymphoma",
        "Recurrent Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Recurrent Mycosis Fungoides/Sezary Syndrome",
        "Recurrent Osteosarcoma",
        "Recurrent Small Lymphocytic Lymphoma",
        "Recurrent Uterine Sarcoma",
        "Small Intestine Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "Stage IV Adult Burkitt Lymphoma",
        "Stage IV Adult Diffuse Large Cell Lymphoma",
        "Stage IV Adult Diffuse Mixed Cell Lymphoma",
        "Stage IV Adult Diffuse Small Cleaved Cell Lymphoma",
        "Stage IV Adult Hodgkin Lymphoma",
        "Stage IV Adult Immunoblastic Large Cell Lymphoma",
        "Stage IV Adult Lymphoblastic Lymphoma",
        "Stage IV Adult Soft Tissue Sarcoma",
        "Stage IV Adult T-cell Leukemia/Lymphoma",
        "Stage IV Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Stage IV Grade 1 Follicular Lymphoma",
        "Stage IV Grade 2 Follicular Lymphoma",
        "Stage IV Grade 3 Follicular Lymphoma",
        "Stage IV Mantle Cell Lymphoma",
        "Stage IV Marginal Zone Lymphoma",
        "Stage IV Mycosis Fungoides/Sezary Syndrome",
        "Stage IV Small Lymphocytic Lymphoma",
        "Stage IV Uterine Sarcoma",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "tanespimycin",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "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": 60,
      "start_date": "1999-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-07",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004241"
    },
    {
      "nct_id": "NCT03173976",
      "title": "Anti-Osteoclast Therapy as Neoadjuvant in Treatment of Chondrosarcoma - Phase 1b Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chondrosarcoma"
      ],
      "interventions": [
        {
          "name": "Zoledronic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mohammed Milhem",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2017-07-18",
      "completion_date": "2028-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-06",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03173976"
    },
    {
      "nct_id": "NCT01189253",
      "title": "Doxorubicin Hydrochloride or Trabectedin in Treating Patients With Previously Untreated Advanced or Metastatic Soft Tissue Sarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "trabectedin",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "European Organisation for Research and Treatment of Cancer - EORTC",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 133,
      "start_date": "2011-05",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2014-08-08",
      "last_synced_at": "2026-05-21T23:53:37.511Z",
      "location_count": 8,
      "location_summary": "Santa Monica, California • Stanford, California • Iowa City, Iowa + 4 more",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01189253"
    }
  ]
}