{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=R2%2A+Magnetic+Resonance+Imaging+%28MRI%29",
    "query": {
      "intervention": "R2* Magnetic Resonance Imaging (MRI)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T09:23:32.083Z",
  "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": "NCT02911142",
      "title": "Lenalidomide Combined With Modified DA-EPOCH and Rituximab (EPOCH-R2) in Primary Effusion Lymphoma or KSHV-associated Large Cell Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Primary Effusion Lymphoma",
        "B-Cell Neoplasm"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "CT of neck, chest, abdomen and pelvis",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "18FDG-PET scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI Brain",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bone marrow biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bronchoscopy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Endoscopy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CXR: PA/lat/decub",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "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": 17,
      "start_date": "2017-07-03",
      "completion_date": "2028-10-01",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-10-02T09:23:32.083Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02911142"
    },
    {
      "nct_id": "NCT00888316",
      "title": "Iron Overload in Patients Undergoing Donor Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Hematopoietic Stem Cell Transplantation",
        "Allogeneic Hematopoietic Cell Transplantation"
      ],
      "interventions": [
        {
          "name": "magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Serum ferritin",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "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": 112,
      "start_date": "2008-12",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2017-12-02",
      "last_synced_at": "2026-10-02T09:23:32.083Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00888316"
    },
    {
      "nct_id": "NCT01888185",
      "title": "Identifying Biomarkers of Parkinson's Disease Using Magnetic Resonance Imaging (MRI)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease (PD)",
        "Parkinsonism",
        "Progressive Supranuclear Palsy (PSP)",
        "Multiple System Atrophy (MSA)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 290,
      "start_date": "2012-12",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-03",
      "last_synced_at": "2026-10-02T09:23:32.083Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01888185"
    },
    {
      "nct_id": "NCT04171635",
      "title": "Quantitative Susceptibility Mapping (QSM) to Guide Iron Chelating Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "MRI Scans"
      ],
      "interventions": [
        {
          "name": "Quantitative Susceptibility Mapping (QSM) Magnetic Resonance Imaging (MRI)",
          "type": "RADIATION"
        },
        {
          "name": "R2* Magnetic Resonance Imaging (MRI)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2019-12-16",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-02T09:23:32.083Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04171635"
    },
    {
      "nct_id": "NCT01572922",
      "title": "Massive Iron Deposit Assessment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Overload",
        "Excessive Body Iron Burden"
      ],
      "interventions": [
        {
          "name": "R2*-UTE",
          "type": "DEVICE"
        },
        {
          "name": "R2*-GRE",
          "type": "DEVICE"
        },
        {
          "name": "Liver biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 142,
      "start_date": "2012-06-11",
      "completion_date": "2018-02-28",
      "has_results": true,
      "last_update_posted_date": "2019-06-11",
      "last_synced_at": "2026-10-02T09:23:32.083Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01572922"
    },
    {
      "nct_id": "NCT02025543",
      "title": "Confounder-Corrected Quantitative MRI Biomarker of Hepatic Iron Content",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Iron Overload",
        "Hemochromatosis",
        "Hemosiderosis"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "8 Years to 89 Years"
      },
      "enrollment_count": 207,
      "start_date": "2015-08-12",
      "completion_date": "2019-09",
      "has_results": false,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-10-02T09:23:32.083Z",
      "location_count": 4,
      "location_summary": "Palo Alto, California • Baltimore, Maryland • Dallas, Texas + 1 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02025543"
    },
    {
      "nct_id": "NCT04294849",
      "title": "Exercise Intolerance and Skeletal Muscle Bioenergetics in Children With Deep Venous Thrombosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Deep Vein Thrombosis",
        "Pulmonary Embolism"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging",
          "type": "OTHER"
        },
        {
          "name": "Bicycle Ergometry",
          "type": "OTHER"
        },
        {
          "name": "Lab Panel",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "8 Years to 21 Years"
      },
      "enrollment_count": 5,
      "start_date": "2020-02-06",
      "completion_date": "2022-02-16",
      "has_results": false,
      "last_update_posted_date": "2024-11-15",
      "last_synced_at": "2026-10-02T09:23:32.083Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04294849"
    }
  ]
}