{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Massachusetts+General+Hospital",
    "query": {
      "sponsor": "Massachusetts General Hospital"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3074,
    "total_pages": 308,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Massachusetts+General+Hospital&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T07:15:07.360Z",
  "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": "NCT00809588",
      "title": "Vaccination With Autologous, Lethally Irradiated Melanoma Cells Engineered by Adenoviral Mediated Gene Transfer to Secrete Granulocyte-Macrophage Stimulating Factor (GMSF)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Autologous, lethally irradiated melanoma cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2003-10-16",
      "completion_date": "2020-02-25",
      "has_results": false,
      "last_update_posted_date": "2024-08-21",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00809588"
    },
    {
      "nct_id": "NCT01873729",
      "title": "An Open-Label Study of Naltrexone in Adults With Attention Deficit Hyperactivity Disorder.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 3,
      "start_date": "2013-11",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-01-13",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01873729"
    },
    {
      "nct_id": "NCT01508780",
      "title": "Combined Use of Angiography, Optical Coherence Tomography and Intravascular Ultrasound in Evaluation of Pulmonary Vascular Structure and Function in Patients With Pulmonary Arterial Hypertension Treated With Oral Bosentan",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "St Jude Medical C7 Dragonfly Optical Coherence Tomography (OCT)",
          "type": "DEVICE"
        },
        {
          "name": "Boston Scientific Intravascular Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 0,
      "start_date": "2012-05",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2014-02-13",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01508780"
    },
    {
      "nct_id": "NCT00114374",
      "title": "SSRI Administration to Reduce Acute Stress Disorder Symptoms and Prevent Depression and PTSD in Physical Trauma Victims",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Escitalopram",
          "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": 60,
      "start_date": "2005-06",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2014-06-09",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00114374"
    },
    {
      "nct_id": "NCT02693990",
      "title": "A Trial of Increased Dose Intensity Modulated Proton Therapy (IMPT) for High-Grade Meningiomas",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meningioma",
        "Brain Tumor"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Proton Therapy (IMPT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "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": 21,
      "start_date": "2016-02",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Houston, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02693990"
    },
    {
      "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": "2025-10-03",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "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": "NCT02217683",
      "title": "Use of Inhaled Nitric Oxide to Prevent Pulmonary Hypertension Associated to Stored Blood Transfusion",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension, Pulmonary",
        "Hemolysis"
      ],
      "interventions": [
        {
          "name": "Nitric Oxide",
          "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": 0,
      "start_date": "2016-03",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2016-03-18",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02217683"
    },
    {
      "nct_id": "NCT01112527",
      "title": "PF-00299804 in Adult Patients With Relapsed/Recurrent Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma",
        "GBM",
        "Glioblastoma Multiforme"
      ],
      "interventions": [
        {
          "name": "PF-00299804",
          "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": 58,
      "start_date": "2010-04",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2018-08-16",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Detroit, Michigan • Cleveland, Ohio",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01112527"
    },
    {
      "nct_id": "NCT01396486",
      "title": "Inositol and Omega-3 Fatty Acids in Pediatric Mania",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pediatric Bipolar Spectrum Disorders"
      ],
      "interventions": [
        {
          "name": "Omega-3",
          "type": "DRUG"
        },
        {
          "name": "Inositol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 69,
      "start_date": "2012-02-03",
      "completion_date": "2019-04-11",
      "has_results": true,
      "last_update_posted_date": "2020-08-13",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01396486"
    },
    {
      "nct_id": "NCT00801554",
      "title": "Autism Spectrum Disorders (ASD) Characterization Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism Spectrum Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "6 Years to 60 Years"
      },
      "enrollment_count": 26,
      "start_date": "2008-10",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2013-10-22",
      "last_synced_at": "2026-06-07T07:15:07.360Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00801554"
    }
  ]
}