{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Alternating%2C+10+sec+High-Frequency%2C+50+sec+Low-Frequency+Stimulation",
    "query": {
      "intervention": "Alternating, 10 sec High-Frequency, 50 sec Low-Frequency Stimulation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 2,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T21:02:34.938Z",
  "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": "NCT05593237",
      "title": "Transcranial Magnetic Stimulation for Chronic Neuropathic Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Neuropathic Pain",
        "Post-Stroke Pain",
        "Trigeminal Neuralgia",
        "Nerve Injury",
        "Spinal Cord Injuries",
        "Pain, Postoperative",
        "Complex Regional Pain Syndromes",
        "Post-herpetic Neuralgia",
        "Nerve Root Avulsion"
      ],
      "interventions": [
        {
          "name": "High Frequency rTMS",
          "type": "DEVICE"
        },
        {
          "name": "Low Frequency rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-04-25",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-09-30T21:02:34.938Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05593237"
    },
    {
      "nct_id": "NCT05022147",
      "title": "Enhancing Gait Using Alternating-Frequency DBS in Parkinson Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson Disease",
        "Gait Disorders, Neurologic",
        "Disease Progression",
        "Subthalamic Nucleus",
        "Accidental Fall",
        "Deep Brain Stimulation"
      ],
      "interventions": [
        {
          "name": "High-Frequency-Only Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Low-Frequency-Only Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Alternating, 50 sec High-Frequency, 10 sec Low-Frequency Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Alternating, 50 sec High-Frequency, 50 sec Low-Frequency Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Alternating, 10 sec High-Frequency, 50 sec Low-Frequency Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Alternating, 10 sec High-Frequency, 10 sec Low-Frequency Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "OFF Dopaminergic Medication",
          "type": "DRUG"
        },
        {
          "name": "ON Dopaminergic Medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "James Liao",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2021-10-04",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-30T21:02:34.938Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05022147"
    }
  ]
}