{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=functional+MRI&page=41",
    "query": {
      "intervention": "functional MRI",
      "page": 41
    },
    "page_size": 10
  },
  "pagination": {
    "page": 41,
    "page_size": 10,
    "total_count": 1811,
    "total_pages": 182,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=functional+MRI&page=42&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=functional+MRI&page=40&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T12:24:39.952Z",
  "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": "NCT03802227",
      "title": "A Study Using fMRI Imaging to Evaluate the Effect of NKTR-181 on Brain Activity in Healthy, Non-physically Dependent Recreational Opioid Users.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Moderate to Severe Chronic Pain"
      ],
      "interventions": [
        {
          "name": "NKTR-181",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone IR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nektar Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 8,
      "start_date": "2018-10-22",
      "completion_date": "2020-01-03",
      "has_results": true,
      "last_update_posted_date": "2021-07-08",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03802227"
    },
    {
      "nct_id": "NCT02062840",
      "title": "The Brain on Whole Body Hyperthermia: A Neuroimaging Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depression"
      ],
      "interventions": [
        {
          "name": "High intensity whole-body infrared heating",
          "type": "DEVICE"
        },
        {
          "name": "Low intensity whole-body infrared heating",
          "type": "DEVICE"
        },
        {
          "name": "Functional Magnetic Resonance Imaging (fMRI) and electrocardiogram (EKG)",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 23,
      "start_date": "2014-02",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-08-10",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02062840"
    },
    {
      "nct_id": "NCT03503669",
      "title": "Reducing Risk for Alzheimer's Disease in High-Risk Women Through Yogic Meditation Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Memory Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Kundalini yoga and meditation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 90 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2018-05-01",
      "completion_date": "2021-02-01",
      "has_results": true,
      "last_update_posted_date": "2024-02-08",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03503669"
    },
    {
      "nct_id": "NCT06974305",
      "title": "PET/MRI/EEG Imaging Study in Epilepsy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "FDG-PET/fMRI/EEG imaging",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2023-09-21",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06974305"
    },
    {
      "nct_id": "NCT04366518",
      "title": "Toward a Computationally-Informed, Personalized Treatment for Hallucinations",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hallucinations, Auditory",
        "Psychosis"
      ],
      "interventions": [
        {
          "name": "Rivastigmine Transdermal System",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "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": 35,
      "start_date": "2021-07-15",
      "completion_date": "2032-08",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04366518"
    },
    {
      "nct_id": "NCT07727512",
      "title": "PCOS and Brain Health",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PCOS"
      ],
      "interventions": [
        {
          "name": "MRI Visit",
          "type": "DEVICE"
        },
        {
          "name": "Laboratory Visit",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2026-08-07",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07727512"
    },
    {
      "nct_id": "NCT01603771",
      "title": "Neural Activation and Connectivity in Response to Exercise and Cognitive Training",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neural Connectivity"
      ],
      "interventions": [
        {
          "name": "Blood Oxygen Level Dependent (BOLD) functional magnetic imaging (fMRI)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 24,
      "start_date": "2011-06",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2014-09-03",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01603771"
    },
    {
      "nct_id": "NCT05132881",
      "title": "Effect of (TaVNS) on Anxiety and Brain Function in Distressed Health Care Workers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety",
        "Distress, Emotional",
        "Effects of Vibration",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Neuvana 2.0 Transcutaneous Auricular Vagal Nerve Stimulation (TaVNS)",
          "type": "OTHER"
        },
        {
          "name": "Waitlist Control",
          "type": "OTHER"
        },
        {
          "name": "Healthy Controls: Substudy Group III",
          "type": "OTHER"
        },
        {
          "name": "Distressed Workers: Subgroup II",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2021-04-01",
      "completion_date": "2025-11-20",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05132881"
    },
    {
      "nct_id": "NCT04543500",
      "title": "Self-regulation of Prefrontal Cortex During Emotional Cognitive Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers",
        "Cognitive Function"
      ],
      "interventions": [
        {
          "name": "Real-time functional magnetic resonance neurofeedback (rtfMRI-nf)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Laureate Institute for Brain Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 70,
      "start_date": "2020-10-28",
      "completion_date": "2022-04-16",
      "has_results": false,
      "last_update_posted_date": "2022-08-19",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04543500"
    },
    {
      "nct_id": "NCT02473419",
      "title": "Neurobiological Basis of Response to Vayarin in Adults With ADHD: an fMRI Study of Brain Activation Pre and Post Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Vayarin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 107,
      "start_date": "2015-05",
      "completion_date": "2017-03-02",
      "has_results": false,
      "last_update_posted_date": "2017-03-27",
      "last_synced_at": "2026-10-26T12:24:39.952Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02473419"
    }
  ]
}