{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sudoku+Puzzles",
    "query": {
      "intervention": "Sudoku Puzzles"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T19:22:00.218Z",
  "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": "NCT05498493",
      "title": "Cognitive Rehabilitation for Post-COVID-19 Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Cognitive Rehabilitation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brain Health Education Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2022-09-19",
      "completion_date": "2024-08-20",
      "has_results": false,
      "last_update_posted_date": "2024-09-27",
      "last_synced_at": "2026-09-08T19:22:00.218Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05498493"
    },
    {
      "nct_id": "NCT03141281",
      "title": "Intervention Comparative Effectiveness for Adult Cognitive Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Aging"
      ],
      "interventions": [
        {
          "name": "BrainHQ",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Rise of Nations",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IADL Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2017-09-20",
      "completion_date": "2019-09-03",
      "has_results": true,
      "last_update_posted_date": "2021-06-07",
      "last_synced_at": "2026-09-08T19:22:00.218Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03141281"
    },
    {
      "nct_id": "NCT04081090",
      "title": "Clinical Translational Science Institute (CTSI) Brain HQ Modules vs. Active Controls for Elderly Survivors of ICU",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neurocognitive Disorders"
      ],
      "interventions": [
        {
          "name": "Brain HQ Cognitive Modules",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2019-01-15",
      "completion_date": "2020-08-26",
      "has_results": false,
      "last_update_posted_date": "2021-05-20",
      "last_synced_at": "2026-09-08T19:22:00.218Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04081090"
    },
    {
      "nct_id": "NCT05176561",
      "title": "Auditory-Cognitive Training to Optimize Outcomes for Older CI Users",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Deafness"
      ],
      "interventions": [
        {
          "name": "Auditory-Cognitive Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-auditory Cognitive Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Gallaudet University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-05-01",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-08T19:22:00.218Z",
      "location_count": 3,
      "location_summary": "Washington D.C., District of Columbia • New York, New York • Nashville, Tennessee",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05176561"
    },
    {
      "nct_id": "NCT06733636",
      "title": "Scents of Progress: Leveraging a Novel Device for Olfactory Training in Older Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Olfactory Dysfunction",
        "Smell Loss",
        "Anosmia",
        "Hyposmia"
      ],
      "interventions": [
        {
          "name": "Sudoku Puzzles",
          "type": "OTHER"
        },
        {
          "name": "ScentCare (Olfactory Training Device)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-04-15",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-08T19:22:00.218Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06733636"
    },
    {
      "nct_id": "NCT04009382",
      "title": "Modulation Effects of Baduanjin Exercise on Subjective Cognitive Decline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "Baduanjin Exercise",
          "type": "OTHER"
        },
        {
          "name": "Cognitive Fitness Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 124,
      "start_date": "2020-08-31",
      "completion_date": "2025-02-06",
      "has_results": false,
      "last_update_posted_date": "2025-06-03",
      "last_synced_at": "2026-09-08T19:22:00.218Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04009382"
    },
    {
      "nct_id": "NCT06814483",
      "title": "Effects Multimodal Mind and Body Approach for MCI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Experimental: A computer-based multimodal mind and body approach (cbMMBA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "A standard cognitive training group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2023-12-11",
      "completion_date": "2025-07-15",
      "has_results": true,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-09-08T19:22:00.218Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06814483"
    },
    {
      "nct_id": "NCT03895346",
      "title": "Mental Training for Adults With Mild Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brain Games and Puzzles",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 22,
      "start_date": "2019-04-10",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-09-15",
      "last_synced_at": "2026-09-08T19:22:00.218Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03895346"
    }
  ]
}