{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Filgrastim+or+equivalent&page=2",
    "query": {
      "intervention": "Filgrastim or equivalent",
      "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?intervention=Filgrastim+or+equivalent&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T06:32:24.998Z",
  "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": "NCT04959175",
      "title": "Phase I/II Study to Reduce Post-transplantation Cyclophosphamide Dosing for Older or Unfit Patients Undergoing Bone Marrow Transplantation for Hematologic Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hematologic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Allogeneic HSCT",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Mesna",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation (TBI)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "12 Years to 85 Years"
      },
      "enrollment_count": 320,
      "start_date": "2021-09-23",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04959175"
    },
    {
      "nct_id": "NCT01501487",
      "title": "MINT I Multi- Institutional Neo-adjuvant Therapy MammaPrint Project I",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "TAC chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "TC chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Dose Dense AC or FEC100 followed by paclitaxel or docetaxel chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "TCH chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "T + trastuzumab followed by CEF + trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Dose dense AC followed by T + trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Dose dense AC followed by T + trastuzumab + pertuzumab",
          "type": "DRUG"
        },
        {
          "name": "PTH followed by dose dense AC of FEC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Agendia",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 226,
      "start_date": "2011-10",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2018-06-28",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 9,
      "location_summary": "Mobile, Alabama • Clearwater, Florida • Miami, Florida + 6 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Tarpon Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01501487"
    },
    {
      "nct_id": "NCT00066482",
      "title": "Combination Chemotherapy in Treating Children With Newly Diagnosed Malignant Germ Cell Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Germ Cell Tumor",
        "Extragonadal Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "bleomycin sulfate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "MESNA",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "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": 19,
      "start_date": "2004-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-10-17",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 88,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 77 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066482"
    },
    {
      "nct_id": "NCT02029638",
      "title": "BMT and High Dose Post-Transplant Cyclophosphamide for Chimerism Induction and Renal Allograft Tolerance",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Transplantation"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "bone marrow transplant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MESNA",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "filgrastim",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 4,
      "start_date": "2014-01-07",
      "completion_date": "2017-09-06",
      "has_results": true,
      "last_update_posted_date": "2018-09-24",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02029638"
    },
    {
      "nct_id": "NCT03860844",
      "title": "Isatuximab in Combination With Chemotherapy in Pediatric Patients With Relapsed/Refractory Acute Lymphoblastic Leukemia or Acute Myeloid Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Isatuximab",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone or equivalent",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Liposomal daunorubicin",
          "type": "DRUG"
        },
        {
          "name": "Daunorubicin (nonliposomal)",
          "type": "DRUG"
        },
        {
          "name": "Idarubicin",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim or equivalent",
          "type": "DRUG"
        },
        {
          "name": "Mitoxantrone",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Pegaspargase (PEG) Asparaginase",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "L - Asparginase",
          "type": "DRUG"
        },
        {
          "name": "Hydroxyurea",
          "type": "DRUG"
        },
        {
          "name": "L - Asparaginase (Erwinase)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "28 Days",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "28 Days to 17 Years"
      },
      "enrollment_count": 67,
      "start_date": "2019-08-06",
      "completion_date": "2023-05-26",
      "has_results": true,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee • Dallas, Texas",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03860844"
    },
    {
      "nct_id": "NCT02793544",
      "title": "HLA-Mismatched Unrelated Donor Bone Marrow Transplantation With Post-Transplantation Cyclophosphamide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndrome (MDS)",
        "Chronic Lymphocytic Leukemia (CLL)",
        "Chemotherapy-sensitive Lymphoma",
        "Acute Lymphoblastic Leukemia (ALL)/T Lymphoblastic Lymphoma",
        "Acute Myelogenous Leukemia (AML)",
        "Acute Biphenotypic Leukemia (ABL)",
        "Acute Undifferentiated Leukemia (AUL)"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide 14.5 mg/kg/day IV on Days -6, -5",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation (TBI) 200cGy on Day -1",
          "type": "RADIATION"
        },
        {
          "name": "Infusion of non-T-cell depleted bone marrow on Day 0",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide 50mg/kg/day IV on Days -2,-1",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide 50mg/kg/day IV on Days -5,-4",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation (TBI) 200cGy twice a day on Days -3, -2, -1",
          "type": "RADIATION"
        },
        {
          "name": "Post-HCT Cyclophosphamide 50mg/kg IV on Day+3, +4",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "DRUG"
        },
        {
          "name": "Pre-HCT Mesna on Days -6 and -5",
          "type": "DRUG"
        },
        {
          "name": "Pre-HCT Mesna on Days -2 and -1",
          "type": "DRUG"
        },
        {
          "name": "Pre-HCT Mesna on Days -5 and -4",
          "type": "DRUG"
        },
        {
          "name": "Post-HCT Mesna",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Center for International Blood and Marrow Transplant Research",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "15 Years to 70 Years"
      },
      "enrollment_count": 80,
      "start_date": "2016-12",
      "completion_date": "2020-03",
      "has_results": true,
      "last_update_posted_date": "2025-08-06",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 11,
      "location_summary": "Gainesville, Florida • Miami, Florida • Tampa, Florida + 7 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02793544"
    },
    {
      "nct_id": "NCT01164475",
      "title": "Evaluation of Approved Weight-Based Dose Compared to Fixed Dose of Plerixafor in Patients With Non-Hodgkin's Lymphoma (NHL) Weighing Less Than 70 Kilograms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Non-Hodgkin's Lymphoma"
      ],
      "interventions": [
        {
          "name": "Granulocyte-colony stimulating factor (G-CSF)",
          "type": "DRUG"
        },
        {
          "name": "Fixed Dose Plerixafor",
          "type": "DRUG"
        },
        {
          "name": "Weight-Based Plerixafor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "78 Years",
        "sex": "ALL",
        "summary": "18 Years to 78 Years"
      },
      "enrollment_count": 61,
      "start_date": "2010-10",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-02-25",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 2,
      "location_summary": "Duarte, California • Aurora, Colorado",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01164475"
    },
    {
      "nct_id": "NCT00092222",
      "title": "Virotherapy and Natural History Study of KHSV-Associated Multricentric Castleman s Disease With Correlates of Disease Activity",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoproliferative Disorder",
        "HHV-8",
        "Malignancy",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Interferon-alpha",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Liposomal Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Bortezomib",
          "type": "DRUG"
        },
        {
          "name": "Valganciclovir",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim (G-CSF)",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Observation Only",
          "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": 75,
      "start_date": "2004-10-28",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00092222"
    },
    {
      "nct_id": "NCT01850888",
      "title": "MIBG for Refractory Neuroblastoma and Pheochromocytoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Relapsed Neuroblastoma",
        "Metastatic Pheochromocytoma"
      ],
      "interventions": [
        {
          "name": "131 I-Metaiodobenzylguanidine (131I-MIBG)",
          "type": "DRUG"
        },
        {
          "name": "Potassium iodide solution",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "DRUG"
        },
        {
          "name": "hematopoietic stem cell infusion",
          "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": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 15,
      "start_date": "2013-12",
      "completion_date": "2025-10-20",
      "has_results": false,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01850888"
    },
    {
      "nct_id": "NCT01181271",
      "title": "Tandem Auto-Allo Transplant for Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse, Large B-Cell, Lymphoma",
        "Lymphoma, Low-Grade",
        "T-Cell Lymphoma",
        "Mantle-Cell Lymphoma",
        "Hodgkin's Lymphoma",
        "Chronic Lymphocytic Leukemia",
        "Lymphoma, Small Lymphocytic"
      ],
      "interventions": [
        {
          "name": "Busulfan (conditioning for AUTO transplant)",
          "type": "DRUG"
        },
        {
          "name": "Etoposide (conditioning for AUTO transplant)",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide (conditioning for AUTO transplant)",
          "type": "DRUG"
        },
        {
          "name": "Mesna (prior to AUTO transplant)",
          "type": "DRUG"
        },
        {
          "name": "autologous (auto) peripheral blood stem cell transplantation",
          "type": "OTHER"
        },
        {
          "name": "Neupogen",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine (conditioning for ALLO Transplant)",
          "type": "DRUG"
        },
        {
          "name": "Busulfan (conditioning for ALLO Transplant)",
          "type": "DRUG"
        },
        {
          "name": "non-myeloablative allogeneic (allo) transplant",
          "type": "OTHER"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 42,
      "start_date": "2010-08",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2017-03-09",
      "last_synced_at": "2026-09-26T06:32:24.998Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01181271"
    }
  ]
}