{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cathodal+tDCS&page=2",
    "query": {
      "intervention": "cathodal tDCS",
      "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=cathodal+tDCS&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T22:20:46.407Z",
  "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": "NCT02780739",
      "title": "INSIGHT, A Comprehensive, Multidisciplinary Brain Training System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Ability, General"
      ],
      "interventions": [
        {
          "name": "Cognitive Training - 48 sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "active tDCS",
          "type": "DEVICE"
        },
        {
          "name": "sham tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Cognitive Training - 20 sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "ALL",
        "summary": "18 Years to 44 Years"
      },
      "enrollment_count": 521,
      "start_date": "2014-03",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2016-05-23",
      "last_synced_at": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02780739"
    },
    {
      "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": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03672747"
    },
    {
      "nct_id": "NCT05174949",
      "title": "Targeted High-definition Transcranial Direct Current Stimulation (HD-tDCS) for Reducing Post-stroke Movement Impairments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Transcranial direct current stimulation (high-definition)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 14,
      "start_date": "2022-01-18",
      "completion_date": "2023-05-12",
      "has_results": true,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05174949"
    },
    {
      "nct_id": "NCT05326451",
      "title": "Home-based Transcranial Direct Current Stimulation Open Trial for Behavioral and Cognitive Symptoms in Huntington's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Huntington Disease"
      ],
      "interventions": [
        {
          "name": "active tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "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": 10,
      "start_date": "2023-06-21",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-11",
      "last_synced_at": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05326451"
    },
    {
      "nct_id": "NCT05093673",
      "title": "Cerebellar Stimulation for Aphasia Rehabilitation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Cathodal Cerebellar tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Semantic Feature Analysis (SFA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-10-25",
      "completion_date": "2028-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05093673"
    },
    {
      "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": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02866240"
    },
    {
      "nct_id": "NCT03374605",
      "title": "Modulating Context Generalization Through Transcranial Direct Current Stimulation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety and Fear"
      ],
      "interventions": [
        {
          "name": "active tDCS",
          "type": "DEVICE"
        },
        {
          "name": "sham tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Butler Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-02",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2018-08-07",
      "last_synced_at": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03374605"
    },
    {
      "nct_id": "NCT04166513",
      "title": "Effects of Transcranial Direct Current Stimulation (tDCS) on Language",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Aphasia"
      ],
      "interventions": [
        {
          "name": "Targeted Transcranial Direct Current Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Active Control Transcranial Direct Current Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Phonologic-Focused Speech Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Semantic-Focused Speech Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": 25,
      "start_date": "2019-12-13",
      "completion_date": "2024-07-01",
      "has_results": true,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04166513"
    },
    {
      "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": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Richardson, Texas",
      "locations": [
        {
          "city": "Richardson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03319134"
    },
    {
      "nct_id": "NCT02901574",
      "title": "Cerebellar Transcranial Direct Current Stimulation and Aphasia Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Anodal or Cathodal tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Sham",
          "type": "DEVICE"
        },
        {
          "name": "Computerized naming therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 32,
      "start_date": "2016-09-19",
      "completion_date": "2022-05-20",
      "has_results": true,
      "last_update_posted_date": "2023-04-21",
      "last_synced_at": "2026-09-28T22:20:46.407Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02901574"
    }
  ]
}