{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=MRS&page=45",
    "query": {
      "intervention": "MRS",
      "page": 45
    },
    "page_size": 10
  },
  "pagination": {
    "page": 45,
    "page_size": 10,
    "total_count": 1917,
    "total_pages": 192,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=MRS&page=46&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=MRS&page=44&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T00:36:51.617Z",
  "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": "NCT05357404",
      "title": "Age and Sex-Specific PREValence of AcqUirEd VALVular Heart DiseasE",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Valvular Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cardiovascular Research Foundation, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 2870,
      "start_date": "2022-04-21",
      "completion_date": "2025-04",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 1,
      "location_summary": "Walnut Creek, California",
      "locations": [
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05357404"
    },
    {
      "nct_id": "NCT06311214",
      "title": "Personalized Antibody-Drug Conjugate Therapy Based on RNA and Protein Testing for the Treatment of Advanced or Metastatic Solid Tumors (The ADC MATCH Screening and Treatment Trial)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Metastatic Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Enfortumab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Immunohistochemistry Staining Method",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Sacituzumab Govitecan",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trastuzumab Deruxtecan",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "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": 500,
      "start_date": "2025-03-18",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 29,
      "location_summary": "Duarte, California • Encinitas, California • Irvine, California + 21 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06311214"
    },
    {
      "nct_id": "NCT01847833",
      "title": "Advanced MRI Applications Development",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Tumors"
      ],
      "interventions": [
        {
          "name": "MRI scan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2014-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2018-03-26",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01847833"
    },
    {
      "nct_id": "NCT04146935",
      "title": "Examining the Effect of Burosumab on Muscle Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "X-linked Hypophosphatemia"
      ],
      "interventions": [
        {
          "name": "Burosumab Injection [Crysvita]",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2019-11-13",
      "completion_date": "2022-08-25",
      "has_results": true,
      "last_update_posted_date": "2023-08-24",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04146935"
    },
    {
      "nct_id": "NCT03582774",
      "title": "Multicenter Randomized Trial of 68Ga-PSMA-11 PET/CT Based SRT After Radical Prostatectomy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Recurrent Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Gallium Ga 68-labeled PSMA-11",
          "type": "RADIATION"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 193,
      "start_date": "2018-07-12",
      "completion_date": "2028-07-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • San Francisco, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03582774"
    },
    {
      "nct_id": "NCT00032058",
      "title": "Magnetic Resonance Imaging and Magnetic Resonance Spectroscopic Imaging in Diagnosing the Extent of Disease in Patients With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "magnetic resonance spectroscopic imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "American College of Radiology Imaging Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": null,
      "start_date": "2003-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-02-21",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 8,
      "location_summary": "San Francisco, California • New Haven, Connecticut • Baltimore, Maryland + 5 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00032058"
    },
    {
      "nct_id": "NCT03275974",
      "title": "Glutamine PET Imaging Colorectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "RAS Wild Type",
        "Stage IV Colorectal Cancer",
        "Stage IVA Colorectal Cancer",
        "Stage IVB Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Carbon C 11 Glutamine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluorine F 18 L-glutamate Derivative BAY94-9392",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": "2021-04-27",
      "completion_date": "2025-12-23",
      "has_results": false,
      "last_update_posted_date": "2026-01-02",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03275974"
    },
    {
      "nct_id": "NCT03604978",
      "title": "Nivolumab and Multi-fraction Stereotactic Radiosurgery With or Without Ipilimumab in Treating Patients With Recurrent Grade II-III Meningioma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Grade 2 Meningioma",
        "Grade 3 Meningioma",
        "Recurrent Meningioma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "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": 38,
      "start_date": "2019-06-17",
      "completion_date": "2027-03-19",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 29,
      "location_summary": "Phoenix, Arizona • Duarte, California • La Jolla, California + 23 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03604978"
    },
    {
      "nct_id": "NCT01720602",
      "title": "Vorinostat in Treating Patients With Stage IV Breast Cancer Receiving Hormone Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Male Breast Cancer",
        "Recurrent Breast Cancer",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "vorinostat",
          "type": "DRUG"
        },
        {
          "name": "anastrozole",
          "type": "DRUG"
        },
        {
          "name": "letrozole",
          "type": "DRUG"
        },
        {
          "name": "exemestane",
          "type": "DRUG"
        },
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "F-18 16 alpha-fluoroestradiol",
          "type": "RADIATION"
        },
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2012-11",
      "completion_date": "2020-01",
      "has_results": true,
      "last_update_posted_date": "2020-01-07",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01720602"
    },
    {
      "nct_id": "NCT03576729",
      "title": "MRS to Determine Neuroinflammation and Oxidative Stress in MPS I",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucopolysaccharidosis Type I"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2018-11-01",
      "completion_date": "2019-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-11-01",
      "last_synced_at": "2026-10-31T00:36:51.617Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576729"
    }
  ]
}