{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=block+play&page=2",
    "query": {
      "intervention": "block play",
      "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=block+play&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T04:45:02.611Z",
  "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": "NCT03213613",
      "title": "Double-Blind Randomized Controlled Trial for the Evaluation of a Novel Adaptive Attention Training in Healthy Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Adolescents"
      ],
      "interventions": [
        {
          "name": "Adaptive Attention Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-dose Adaptive Attention Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "12 Years to 16 Years"
      },
      "enrollment_count": 60,
      "start_date": "2019-06-13",
      "completion_date": "2022-12-13",
      "has_results": false,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03213613"
    },
    {
      "nct_id": "NCT07652970",
      "title": "Tele-CE in Severe Stroke",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Tele-CE",
          "type": "OTHER"
        },
        {
          "name": "Tele-Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Illinois at Chicago",
      "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": 40,
      "start_date": "2026-06",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07652970"
    },
    {
      "nct_id": "NCT05522972",
      "title": "Establishing New Treatment Approaches for Amblyopia: Perceptual Learning and Video Games",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Video Game Vision Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Perceptual Learning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Occlusion Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nova Southeastern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 180,
      "start_date": "2022-09-13",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05522972"
    },
    {
      "nct_id": "NCT01343940",
      "title": "Strengthening Families and Reducing Risk Thru Developmental and Legal Collaboration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Parenting",
        "Child Rearing",
        "Child Abuse",
        "Child Neglect",
        "Child Development"
      ],
      "interventions": [
        {
          "name": "Project dulce",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Safety intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 402,
      "start_date": "2011-02",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2016-05-18",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01343940"
    },
    {
      "nct_id": "NCT07609342",
      "title": "Optimizing a School-Based Therapeutic Play Intervention for Preschool Students",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Socioemotional Development"
      ],
      "interventions": [
        {
          "name": "Individual play sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer play sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Classroom push-in sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Children's Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "3 Years to 6 Years"
      },
      "enrollment_count": 225,
      "start_date": "2024-10-18",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07609342"
    },
    {
      "nct_id": "NCT03039894",
      "title": "Grade Book Game Evaluation Among 6th Grade Students",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adolescent Behaviors"
      ],
      "interventions": [
        {
          "name": "Gradebook Game",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": "2016-10-01",
      "completion_date": "2017-06-30",
      "has_results": false,
      "last_update_posted_date": "2017-10-30",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03039894"
    },
    {
      "nct_id": "NCT01459848",
      "title": "Baby Dvd Effects on Cortisol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infant Development"
      ],
      "interventions": [
        {
          "name": "block play",
          "type": "BEHAVIORAL"
        },
        {
          "name": "baby dvd",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "9 Months to 12 Months"
      },
      "enrollment_count": 50,
      "start_date": "2011-01",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2014-03-26",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01459848"
    },
    {
      "nct_id": "NCT06933706",
      "title": "Losartan to Improve Outcomes After Multi-ligament Knee Injury",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multi-ligament Knee Injury"
      ],
      "interventions": [
        {
          "name": "losartan 25 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo capsule",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 90,
      "start_date": "2025-10-01",
      "completion_date": "2029-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 3,
      "location_summary": "Lexington, Kentucky • Bethesda, Maryland • Foxborough, Massachusetts",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Foxborough",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06933706"
    },
    {
      "nct_id": "NCT02379130",
      "title": "Early Behavioral Intervention for Preterm Infants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature Birth"
      ],
      "interventions": [
        {
          "name": "Family Nurture Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Play and Nutrition Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Months",
        "maximum_age": "40 Months",
        "sex": "ALL",
        "summary": "30 Months to 40 Months"
      },
      "enrollment_count": 36,
      "start_date": "2015-02",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-07-27",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02379130"
    },
    {
      "nct_id": "NCT02365090",
      "title": "Binocular iPad Sub-Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "patching",
          "type": "OTHER"
        },
        {
          "name": "binocular games",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Retina Foundation of the Southwest",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "4 Years to 14 Years"
      },
      "enrollment_count": 96,
      "start_date": "2015-02",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-27T04:45:02.611Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02365090"
    }
  ]
}