{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=MRS&page=69",
    "query": {
      "intervention": "MRS",
      "page": 69
    },
    "page_size": 10
  },
  "pagination": {
    "page": 69,
    "page_size": 10,
    "total_count": 1918,
    "total_pages": 192,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=MRS&page=70&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=MRS&page=68&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-05T16:18:56.301Z",
  "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": "NCT00166400",
      "title": "A Randomized Clinical Trial of Metoprolol in Participants With Mitral Regurgitation.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Valve Diseases"
      ],
      "interventions": [
        {
          "name": "metoprolol succinate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2004-07",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2008-07-24",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00166400"
    },
    {
      "nct_id": "NCT07215910",
      "title": "Testing Addition of an Anti-cancer Drug, Vorasidenib to Temozolomide, After Radiation for Advanced Brain Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Astrocytoma, IDH-Mutant, Grade 3"
      ],
      "interventions": [
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Volume Modulated Arc Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Pencil Beam Scanning",
          "type": "RADIATION"
        },
        {
          "name": "Intensity-Modulated Proton Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Vorasidenib",
          "type": "DRUG"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 408,
      "start_date": "2026-06-24",
      "completion_date": "2040-01",
      "has_results": false,
      "last_update_posted_date": "2026-11-03",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 177,
      "location_summary": "Phoenix, Arizona • Anaheim, California • Bakersfield, California + 140 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07215910"
    },
    {
      "nct_id": "NCT02234947",
      "title": "Pancreas Volume in Preclinical Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "MRI, US, and blood samples",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "8 Years to 45 Years"
      },
      "enrollment_count": 246,
      "start_date": "2013-11",
      "completion_date": "2023-04-04",
      "has_results": false,
      "last_update_posted_date": "2023-04-13",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02234947"
    },
    {
      "nct_id": "NCT03811015",
      "title": "Testing Immunotherapy Versus Observation in Patients With HPV Throat Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "OTHER"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION",
        "BIOLOGICAL"
      ],
      "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": 636,
      "start_date": "2019-08-16",
      "completion_date": "2030-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 727,
      "location_summary": "Fairhope, Alabama • Mobile, Alabama • Anchorage, Alaska + 462 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03811015"
    },
    {
      "nct_id": "NCT03103750",
      "title": "Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "PHNO",
          "type": "DRUG"
        },
        {
          "name": "calcitriol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        },
        {
          "name": "high-resolution research tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dextro Amphetamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 24,
      "start_date": "2017-08-15",
      "completion_date": "2023-01-17",
      "has_results": true,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03103750"
    },
    {
      "nct_id": "NCT01320059",
      "title": "Study of 18F-Fluoro-PEG6-IPQA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "18F-PEG6-IPQA",
          "type": "DRUG"
        },
        {
          "name": "Positron emission tomography (PET)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2012-02",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-06-27",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01320059"
    },
    {
      "nct_id": "NCT03675282",
      "title": "Quantitative Mapping of Substantia Nigra Iron in Parkinson's Disease (Stages I-IV, REM Sleep Behavior Disorder) and Controls",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease",
        "REM Sleep Behavior Disorder",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "(11C)PE2I",
          "type": "DRUG"
        },
        {
          "name": "Ioflupane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "20 Years to 100 Years"
      },
      "enrollment_count": 82,
      "start_date": "2018-08-14",
      "completion_date": "2024-04-23",
      "has_results": true,
      "last_update_posted_date": "2025-03-12",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03675282"
    },
    {
      "nct_id": "NCT06914479",
      "title": "Virus-Based Gene Therapy (AdV-HSV1-TK and AdV-Flt3L) in Combination With Valacyclovir for the Treatment of Pediatric and Young Adult Patients With Resectable, Recurrent Primary Malignant Brain Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Diffuse Hemispheric Glioma, H3 G34-Mutant",
        "Recurrent Malignant Brain Neoplasm",
        "Resectable Brain Neoplasm"
      ],
      "interventions": [
        {
          "name": "Ad-hCMV-Flt3L",
          "type": "GENETIC"
        },
        {
          "name": "Ad-hCMV-TK",
          "type": "GENETIC"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Tumor Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "3 Years to 39 Years"
      },
      "enrollment_count": 11,
      "start_date": "2026-05-22",
      "completion_date": "2031-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06914479"
    },
    {
      "nct_id": "NCT02089555",
      "title": "African American Alzheimer's Progression Markers - CSF and Neuro-Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mild Cognitive Impairment",
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Lumbar puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 135,
      "start_date": "2013-09",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-06-23",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02089555"
    },
    {
      "nct_id": "NCT04050215",
      "title": "68GA-PSMA-11 PET/CT Scan in Impacting Treatment Strategies for Patients With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Biochemically Recurrent Prostate Carcinoma",
        "Metastatic Prostate Carcinoma",
        "Prostate Adenocarcinoma",
        "Prostate Carcinoma",
        "PSA Level Greater Than Fifty",
        "PSA Progression",
        "Stage IV Prostate Cancer AJCC v8",
        "Stage IVA Prostate Cancer AJCC v8",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Gallium Ga 68-labeled PSMA-11",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 937,
      "start_date": "2018-04-02",
      "completion_date": "2021-09-27",
      "has_results": false,
      "last_update_posted_date": "2021-09-30",
      "last_synced_at": "2026-11-05T16:18:56.301Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04050215"
    }
  ]
}