{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Puzzle&page=2",
    "query": {
      "intervention": "Puzzle",
      "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=Puzzle&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T03:35:52.037Z",
  "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": "NCT06916221",
      "title": "BID LTM Digital Intervention in Aging",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Long-Term Memory",
        "Inhibitory Control",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Long Term Memory",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Worder",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 150,
      "start_date": "2025-08-20",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06916221"
    },
    {
      "nct_id": "NCT05218109",
      "title": "Stress and Sleep Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress, Psychological",
        "Sleep",
        "Transcutaneous Electric Nerve Stimulation",
        "Vagus Nerve Stimulation",
        "Mindfulness"
      ],
      "interventions": [
        {
          "name": "tVNS",
          "type": "DEVICE"
        },
        {
          "name": "Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "sham tVNS",
          "type": "DEVICE"
        },
        {
          "name": "Number Puzzle",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 76,
      "start_date": "2022-02-09",
      "completion_date": "2023-05-29",
      "has_results": true,
      "last_update_posted_date": "2024-04-04",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05218109"
    },
    {
      "nct_id": "NCT05820659",
      "title": "Racial Discrimination and Stress Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Reaction; Acute"
      ],
      "interventions": [
        {
          "name": "peer rejection task, conversation about peer rejection, and impossible puzzle task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Western Kentucky University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "9 Years to 99 Years"
      },
      "enrollment_count": 178,
      "start_date": "2023-06-29",
      "completion_date": "2024-11-17",
      "has_results": true,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "Bowling Green, Kentucky",
      "locations": [
        {
          "city": "Bowling Green",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05820659"
    },
    {
      "nct_id": "NCT05168579",
      "title": "Developing a Deliberate Practice Intervention to Recalibrate Physician Heuristics in Trauma Triage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Trauma Injury"
      ],
      "interventions": [
        {
          "name": "Deliberate practice",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 72,
      "start_date": "2021-12-15",
      "completion_date": "2022-12-01",
      "has_results": true,
      "last_update_posted_date": "2023-04-05",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05168579"
    },
    {
      "nct_id": "NCT04912089",
      "title": "Enhancing Transdiagnostic Mechanisms of Cognitive Dyscontrol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety Disorders",
        "Depression",
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "COGENT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 73,
      "start_date": "2021-10-15",
      "completion_date": "2023-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-07-23",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04912089"
    },
    {
      "nct_id": "NCT06273527",
      "title": "Enhancing Transdiagnostic Mechanisms of Cognitive Dyscontrol (R33)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Anxiety Disorders",
        "Depression",
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "COGENT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 128,
      "start_date": "2024-10-01",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06273527"
    },
    {
      "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": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03141281"
    },
    {
      "nct_id": "NCT03279575",
      "title": "Testing the Efficacy of Two Behavioral Interventions at Recalibrating Physician Heuristics in Trauma Triage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Wounds and Injuries"
      ],
      "interventions": [
        {
          "name": "Night Shift",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Graveyard Shift",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 320,
      "start_date": "2017-10-29",
      "completion_date": "2017-12-11",
      "has_results": false,
      "last_update_posted_date": "2018-01-09",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03279575"
    },
    {
      "nct_id": "NCT02561403",
      "title": "Brain Aging in Veterans (BRAVE) Training: A Cognitive Training Pilot Trial in Older Veterans With Traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "TBI (Traumatic Brain Injury)"
      ],
      "interventions": [
        {
          "name": "EVO multitask video game",
          "type": "BEHAVIORAL"
        },
        {
          "name": "EVO words video game",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "San Francisco Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 89,
      "start_date": "2016-03",
      "completion_date": "2019-01",
      "has_results": false,
      "last_update_posted_date": "2019-04-29",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Yountville, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Yountville",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02561403"
    },
    {
      "nct_id": "NCT03883308",
      "title": "The Influence of Multi-domain Cognitive Training on Large-scale Structural and Functional Brain Networks in MCI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Multi-domain cognitive training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cross-word puzzle training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2017-10-30",
      "completion_date": "2020-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-05-05",
      "last_synced_at": "2026-09-11T03:35:52.037Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03883308"
    }
  ]
}