{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Open-loop+Stimulation&page=2",
    "query": {
      "intervention": "Open-loop Stimulation",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Open-loop+Stimulation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T00:37:50.395Z",
  "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": "NCT03230890",
      "title": "HIRREM in Military Personnel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Disorders, Post-Traumatic"
      ],
      "interventions": [
        {
          "name": "HIRREM",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2015-02-16",
      "completion_date": "2021-04-05",
      "has_results": true,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03230890"
    },
    {
      "nct_id": "NCT06552611",
      "title": "Non-invasive Electrical Spinal Cord Stimulation To Restore Upper Extremity Function in Multiple Sclerosis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Transcutaneous electrical spinal cord stimulation + therapy",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Occupational Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 4,
      "start_date": "2024-08-08",
      "completion_date": "2025-07-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-14",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06552611"
    },
    {
      "nct_id": "NCT02924129",
      "title": "Safety and Efficacy Study of the Evoke™ SCS System With Feedback vs. Conventional Stimulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Back Pain",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Evoke Spinal Cord Stimulator (SCS) System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Saluda Medical Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 134,
      "start_date": "2017-01-27",
      "completion_date": "2022-09-09",
      "has_results": true,
      "last_update_posted_date": "2024-01-03",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 16,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Santa Rosa, California + 11 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02924129"
    },
    {
      "nct_id": "NCT03582891",
      "title": "The Motor Network in Parkinson's Disease and Dystonia: Mechanisms of Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Dystonia"
      ],
      "interventions": [
        {
          "name": "Summit RC+S for Motor",
          "type": "DEVICE"
        },
        {
          "name": "8-week pilot trial of Closed-loop vs. Open-loop Stimulation",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Summit RC+S for Sleep",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 25,
      "start_date": "2018-10-01",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03582891"
    },
    {
      "nct_id": "NCT05907343",
      "title": "Closed-Loop Brain Stimulation as a Potential Intervention for Cognitive Decline",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Alzheimer Dementia (AD)"
      ],
      "interventions": [
        {
          "name": "Closed-loop TBS",
          "type": "DEVICE"
        },
        {
          "name": "Open-loop TBS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 180,
      "start_date": "2023-05-31",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05907343"
    },
    {
      "nct_id": "NCT06790576",
      "title": "Optimizing Transcranial Magnetic Stimulation for Stimulant Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Stimulant Use Disorder"
      ],
      "interventions": [
        {
          "name": "closed-loop-peak",
          "type": "OTHER"
        },
        {
          "name": "Open-loop",
          "type": "OTHER"
        },
        {
          "name": "closed-loop-trough",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2024-12-01",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06790576"
    },
    {
      "nct_id": "NCT04765735",
      "title": "Electrically Evoked Compound Action Potentials Human Observation Medtronic Algorithm Comparison Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Open-loop testing, Closed-loop testing - External Spinal Cord Stimulator (SCS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "MedtronicNeuro",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2021-02-23",
      "completion_date": "2021-06-29",
      "has_results": true,
      "last_update_posted_date": "2024-02-26",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 9,
      "location_summary": "Carlsbad, California • Duluth, Minnesota • Edina, Minnesota + 5 more",
      "locations": [
        {
          "city": "Carlsbad",
          "state": "California"
        },
        {
          "city": "Duluth",
          "state": "Minnesota"
        },
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04765735"
    },
    {
      "nct_id": "NCT07135583",
      "title": "Non-Invasive Interventions for Respiratory Recovery in Chronic Spinal Cord Injury",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injury, Chronic",
        "Spinal Cord Injury Cervical",
        "Spinal Cord Injury Thoracic",
        "Incomplete Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "Active Comparator: Single Intervention 1",
          "type": "OTHER"
        },
        {
          "name": "Active Comparator: Single Intervention 2",
          "type": "OTHER"
        },
        {
          "name": "Respiratory Resistance Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-09-18",
      "completion_date": "2027-08-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07135583"
    },
    {
      "nct_id": "NCT06660225",
      "title": "Deep Brain Stimulation for Refractory Obsessive-Compulsive Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obsessive-Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Medtronic Percept Deep Brain Stimulation Therapy [Sham Control Stimulation]",
          "type": "DEVICE"
        },
        {
          "name": "Medtronic Percept Deep Brain Stimulation Therapy [Therapeutic stimulation]",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Nader Pouratian",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "22 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2026-06",
      "completion_date": "2031-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06660225"
    },
    {
      "nct_id": "NCT07242105",
      "title": "Optimizing Brain Excitability in Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Active Single-Pulse TMS",
          "type": "DEVICE"
        },
        {
          "name": "Sham Single-Pulse TMS",
          "type": "DEVICE"
        },
        {
          "name": "TARGET-optimized TMS",
          "type": "DEVICE"
        },
        {
          "name": "Non-optimized (Open-Loop) TMS",
          "type": "DEVICE"
        },
        {
          "name": "EEG Recording",
          "type": "OTHER"
        },
        {
          "name": "Intracranial EEG (iEEG) Recording",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 145,
      "start_date": "2025-10-23",
      "completion_date": "2029-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-09-03T00:37:50.395Z",
      "location_count": 2,
      "location_summary": "Iowa City, California • Stanford, California",
      "locations": [
        {
          "city": "Iowa City",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07242105"
    }
  ]
}