{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+training-placebo&page=4",
    "query": {
      "intervention": "Cognitive training-placebo",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 105,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+training-placebo&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+training-placebo&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T13:33:46.915Z",
  "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": "NCT07623811",
      "title": "Efficacy and Safety of Acute Topical and Aromatic Essential Oil-Based Products for Cognitive Support",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Cognitive Support System",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "dōTERRA International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-06-10",
      "completion_date": "2026-12-10",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 1,
      "location_summary": "Pleasant Grove, Utah",
      "locations": [
        {
          "city": "Pleasant Grove",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07623811"
    },
    {
      "nct_id": "NCT01891721",
      "title": "Evaluating Two Types of Cognitive Training in Veterans With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Brain Fitness Program (BFP)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Package (Cogpack)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Commercial Computer Games (Sporcle)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 105,
      "start_date": "2013-11-21",
      "completion_date": "2018-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-08-14",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • West Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "West Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01891721"
    },
    {
      "nct_id": "NCT01440023",
      "title": "Developing Cognitive Training for Tourette Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tourette Syndrome",
        "Chronic Tic Disorders"
      ],
      "interventions": [
        {
          "name": "Comprehensive Behavioral Intervention for Tics (CBIT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computerized Response Inhibition Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computerized Placebo Cognitive Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Milwaukee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "9 Years to 17 Years"
      },
      "enrollment_count": 20,
      "start_date": "2011-08",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-01-15",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01440023"
    },
    {
      "nct_id": "NCT04836533",
      "title": "Enhancing Processing Speed and Executive Functioning in Depressed Older Adults With Computerized Cognitive Training",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Depression in Old Age",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Experimental: Computerized Cognitive Training",
          "type": "OTHER"
        },
        {
          "name": "Experimental: Open-label antidepressant treatment",
          "type": "DRUG"
        },
        {
          "name": "Active Comparator: Solitaire Training",
          "type": "OTHER"
        },
        {
          "name": "Placebo Comparator: Placebo-controlled antidepressant treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Queens College, The City University of New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-01-31",
      "completion_date": "2023-01-31",
      "has_results": false,
      "last_update_posted_date": "2023-03-28",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04836533"
    },
    {
      "nct_id": "NCT02219243",
      "title": "Interpretive Biases in Children With Social Anxiety",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Social Anxiety",
        "Social Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Online Interpretation Training Condition 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Online Interpretation Training Condition 2",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Milwaukee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "8 Years to 12 Years"
      },
      "enrollment_count": 5,
      "start_date": "2014-08",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2016-10-25",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02219243"
    },
    {
      "nct_id": "NCT04135001",
      "title": "Mental Flexibility",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anger",
        "Hostility"
      ],
      "interventions": [
        {
          "name": "HBM Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Walter Reed Army Institute of Research (WRAIR)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 500,
      "start_date": "2019-08-06",
      "completion_date": "2024-08-06",
      "has_results": false,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04135001"
    },
    {
      "nct_id": "NCT01914939",
      "title": "A Randomized, Controlled Trial of Intranasal Oxytocin as an Adjunct to Behavioral Therapy for Autism Spectrum Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorders"
      ],
      "interventions": [
        {
          "name": "Oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Social Skills focused CBT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress management/relaxation training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "placebo drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "18 Years to 40 Years · Male only"
      },
      "enrollment_count": 92,
      "start_date": "2014-04",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01914939"
    },
    {
      "nct_id": "NCT03819231",
      "title": "Mindfulness Training Plus Oxytocin Effects on Smoking Behavior",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Saline Solution",
          "type": "DRUG"
        },
        {
          "name": "Sham mindfulness",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2018-10-10",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-14",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03819231"
    },
    {
      "nct_id": "NCT05855369",
      "title": "Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smell Dysfunction",
        "Olfactory Disorder",
        "Long COVID"
      ],
      "interventions": [
        {
          "name": "Trigeminal Nerve Stimulation (TNS)",
          "type": "DEVICE"
        },
        {
          "name": "Active Smell Training (ST)",
          "type": "OTHER"
        },
        {
          "name": "Placebo Smell Training (PBO)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "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": 145,
      "start_date": "2023-10-02",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05855369"
    },
    {
      "nct_id": "NCT06400121",
      "title": "Apimostinel + Automated Neurocognitive Training for Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Apimostinel Infusion, Intravenous",
          "type": "DRUG"
        },
        {
          "name": "Cognitive Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Isotonic Solution, Intravenous",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Rebecca Price",
      "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": 150,
      "start_date": "2024-10-28",
      "completion_date": "2029-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-04T13:33:46.915Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06400121"
    }
  ]
}