{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cathodal+tDCS",
    "query": {
      "intervention": "Cathodal tDCS"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 79,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cathodal+tDCS&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T15:52:34.049Z",
  "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": "NCT01602263",
      "title": "Transcranial Direct Current Stimulation (tDCS) and Cognitive Processing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aphasia",
        "Autism",
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Transcranial Direct Current Stimulation (tDCS)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 307,
      "start_date": "2009-01",
      "completion_date": "2023-03-02",
      "has_results": false,
      "last_update_posted_date": "2023-03-07",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01602263"
    },
    {
      "nct_id": "NCT02427672",
      "title": "The Effect of Prefrontal Cortex Stimulation on Antisocial and Aggressive Behavior",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Antisocial Behavior",
        "Aggression"
      ],
      "interventions": [
        {
          "name": "Transcranial direct current stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Sham transcranial direct current stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2015-03",
      "completion_date": "2018-12",
      "has_results": true,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02427672"
    },
    {
      "nct_id": "NCT04105530",
      "title": "Transcranial Direct Current Stimulation of the Temporal Cortex in Survivors of Childhood Acute Lymphoblastic Leukemia (ALL)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Transcranial Direct Current Stimulation",
        "Executive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Anodal tDCS treatment",
          "type": "DEVICE"
        },
        {
          "name": "Cathodal tDCS treatment",
          "type": "DEVICE"
        },
        {
          "name": "Sham treatment",
          "type": "DEVICE"
        },
        {
          "name": "NIH Toolbox List Sorting Working Memory Test",
          "type": "OTHER"
        },
        {
          "name": "NIH Toolbox Flanker Inhibitory Control and Attention Test",
          "type": "OTHER"
        },
        {
          "name": "Grooved Peg Board Test",
          "type": "OTHER"
        },
        {
          "name": "Buschke Selective Reminding Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "215 Months",
        "sex": "ALL",
        "summary": "8 Years to 215 Months"
      },
      "enrollment_count": 36,
      "start_date": "2019-11-18",
      "completion_date": "2024-09",
      "has_results": false,
      "last_update_posted_date": "2024-01-12",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04105530"
    },
    {
      "nct_id": "NCT02866240",
      "title": "Safety and Therapeutic Measures of Tdcs in Patients With Refractory Focal Epilepsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractory Epilepsy"
      ],
      "interventions": [
        {
          "name": "Cathodal Transcranial Direct Current Stimulation (tDCS).",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Neuroelectrics Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2017-09-21",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-01-11",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02866240"
    },
    {
      "nct_id": "NCT06440707",
      "title": "Transcranial Direct Current Stimulation for Treatment of Acute Ischemic Stroke",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "High-definition Cathodal Transcranial Direct Current Stimulation (HD C-tDCS)",
          "type": "DEVICE"
        },
        {
          "name": "Sham tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2025-07-15",
      "completion_date": "2030-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Baltimore, Maryland • Durham, North Carolina",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06440707"
    },
    {
      "nct_id": "NCT03672747",
      "title": "Modulation of Spontaneous Cortical Activity by tDCS: BRAIN Initiative I",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Function"
      ],
      "interventions": [
        {
          "name": "transcranial direct-current stimulation (tDCS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "19 Years to 72 Years"
      },
      "enrollment_count": 133,
      "start_date": "2019-02-20",
      "completion_date": "2023-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03672747"
    },
    {
      "nct_id": "NCT04870710",
      "title": "Feasibility Electrical Stimulation Study for Visual Hallucinations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "transcranial electrical stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 6,
      "start_date": "2020-10-01",
      "completion_date": "2022-01-02",
      "has_results": true,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04870710"
    },
    {
      "nct_id": "NCT02330315",
      "title": "Effects of tDCS and tUS on Pain Perception in OA of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "transcranial direct current stimulation (tDCS)",
          "type": "DEVICE"
        },
        {
          "name": "transcranial ultrasound (TUS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 28,
      "start_date": "2015-03",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2020-04-24",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02330315"
    },
    {
      "nct_id": "NCT03319134",
      "title": "Investigating the Neural Correlates in Memory Retrieval After HD-tDCS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "active anodal HD-tDCS",
          "type": "DEVICE"
        },
        {
          "name": "sham HD-tDCS",
          "type": "DEVICE"
        },
        {
          "name": "active cathodal HD-tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas at Dallas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 45,
      "start_date": "2017-09-18",
      "completion_date": "2020-01-30",
      "has_results": true,
      "last_update_posted_date": "2020-08-26",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Richardson, Texas",
      "locations": [
        {
          "city": "Richardson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03319134"
    },
    {
      "nct_id": "NCT01602276",
      "title": "The Effect of tDCS on Subcortical Brain Functioning",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Damage, Chronic"
      ],
      "interventions": [
        {
          "name": "Transcranial Direct Current Stimulation (tDCS)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 3,
      "start_date": "2012-02",
      "completion_date": "2018-10-10",
      "has_results": false,
      "last_update_posted_date": "2018-12-20",
      "last_synced_at": "2026-09-04T15:52:34.049Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01602276"
    }
  ]
}