{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Attention+Deficit%2FHyperactivity+Disorder&page=26",
    "query": {
      "condition": "Attention Deficit/Hyperactivity Disorder",
      "page": 26
    },
    "page_size": 10
  },
  "pagination": {
    "page": 26,
    "page_size": 10,
    "total_count": 862,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Attention+Deficit%2FHyperactivity+Disorder&page=27&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Attention+Deficit%2FHyperactivity+Disorder&page=25&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T14:04:35.366Z",
  "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": "NCT01081145",
      "title": "Maintenance of Efficacy of Extended-Release Guanfacine HCl in Children and Adolescents With Attention-deficit/Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention-deficit/Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Extended-release Guanfacine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 528,
      "start_date": "2010-05-11",
      "completion_date": "2013-06-03",
      "has_results": true,
      "last_update_posted_date": "2021-06-14",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 27,
      "location_summary": "Dothan, Alabama • Little Rock, Arkansas • San Diego, California + 24 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Wildomar",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01081145"
    },
    {
      "nct_id": "NCT04219280",
      "title": "Evaluating Treatment of ADHD in Children With Down Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Down Syndrome",
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Quillivant XR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-10-02",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 4,
      "location_summary": "Sacramento, California • Boston, Massachusetts • Cincinnati, Ohio + 1 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04219280"
    },
    {
      "nct_id": "NCT05469386",
      "title": "Single and Combined Effects of Behavioral, Academic, and Medication Treatments for ADHD in the Classroom",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Methylphenidate Hydrochloride ER",
          "type": "DRUG"
        },
        {
          "name": "Behavioral classroom",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "General Classroom",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Academic Accommodations",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Florida International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 288,
      "start_date": "2022-06-13",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-27",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Amherst, New York",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Amherst",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05469386"
    },
    {
      "nct_id": "NCT00297739",
      "title": "Risperidone Augmentation for Treatment-Resistant Aggression in ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Aggression"
      ],
      "interventions": [
        {
          "name": "Risperidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Armenteros, Jorge L., M.D., P.A.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "7 Years to 12 Years"
      },
      "enrollment_count": 25,
      "start_date": "2003-01",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2006-03-16",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 1,
      "location_summary": "Coral Gables, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00297739"
    },
    {
      "nct_id": "NCT01342445",
      "title": "Effects of LDX on Functioning of College Students With ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention-deficit/Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "lisdexamfetamine dimesylate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rhode Island",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "28 Years",
        "sex": "ALL",
        "summary": "18 Years to 28 Years"
      },
      "enrollment_count": 50,
      "start_date": "2009-09",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2025-04-24",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 2,
      "location_summary": "Bethlehem, Pennsylvania • Kingston, Rhode Island",
      "locations": [
        {
          "city": "Bethlehem",
          "state": "Pennsylvania"
        },
        {
          "city": "Kingston",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01342445"
    },
    {
      "nct_id": "NCT00247572",
      "title": "Safety, Tolerability and Abuse Liability Study of Intravenous NRP104 in Adults With Stimulant Abuse Histories",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity",
        "Amphetamine-Related Disorders",
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "NRP104",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New River Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 12,
      "start_date": "2005-09",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2007-11-05",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00247572"
    },
    {
      "nct_id": "NCT02520388",
      "title": "A Pivotal Efficacy Trial to Evaluate HLD200 in Children With ADHD in a Naturalistic Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "HLD200 methylphenidate hydrochloride (MPH) Capsules",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ironshore Pharmaceuticals and Development, Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 163,
      "start_date": "2015-08",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2021-07-23",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 21,
      "location_summary": "Newport Beach, California • Bradenton, Florida • Gainesville, Florida + 16 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02520388"
    },
    {
      "nct_id": "NCT00257725",
      "title": "Long-Duration Stimulant Treatment Study of ADHD in Young Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity"
      ],
      "interventions": [
        {
          "name": "B-MPH",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "4 Years to 5 Years"
      },
      "enrollment_count": 11,
      "start_date": "2005-03",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2020-08-26",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00257725"
    },
    {
      "nct_id": "NCT02327013",
      "title": "Investigating the Effect of Vortioxetine in Adult ADHD Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "vortioxetine 10 mg tablet",
          "type": "DRUG"
        },
        {
          "name": "vortioxetine 20 mg tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo tablet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "H. Lundbeck A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 227,
      "start_date": "2014-12",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2018-03-07",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 15,
      "location_summary": "Beverly Hills, California • Garden Grove, California • National City, California + 11 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02327013"
    },
    {
      "nct_id": "NCT05142826",
      "title": "Investigation of Strategies to Reduce the Impact of the Relative Age Effect in Kindergarten",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Relative Age Effect Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "School as Usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Florida International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "4 Years to 5 Years"
      },
      "enrollment_count": 62,
      "start_date": "2022-06-01",
      "completion_date": "2025-06-01",
      "has_results": true,
      "last_update_posted_date": "2025-11-19",
      "last_synced_at": "2026-10-23T14:04:35.366Z",
      "location_count": 1,
      "location_summary": "Amherst, New York",
      "locations": [
        {
          "city": "Amherst",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05142826"
    }
  ]
}