{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=ADHD%2C+ADD",
    "query": {
      "condition": "ADHD, ADD"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 859,
    "total_pages": 86,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=ADHD%2C+ADD&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T07:32:23.521Z",
  "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": "NCT01452061",
      "title": "Evaluating the Validity of a Genetic Risk Assessment Tool in Identifying Autism Spectrum Disorder",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism Spectrum Disorder",
        "Attention Deficit/Hyperactivity Disorder",
        "Developmental Delay"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Thomas W. Frazier, Ph.D",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "1 Year to 12 Years"
      },
      "enrollment_count": 456,
      "start_date": "2012-01",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-01-29",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01452061"
    },
    {
      "nct_id": "NCT00784654",
      "title": "Double-blind, Placebo-controlled, Randomised Withdrawal, Extension, Safety and Efficacy Study of LDX in Children and Adolescents Aged 6-17",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Lisdexamfetamine dimesylate (LDX)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 276,
      "start_date": "2009-01-27",
      "completion_date": "2011-10-26",
      "has_results": true,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 4,
      "location_summary": "Rolling Hills Estates, California • South Miami, Florida • Overland Park, Kansas + 1 more",
      "locations": [
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00784654"
    },
    {
      "nct_id": "NCT02225639",
      "title": "PRC-063 in an ADULT Workplace Environment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder (ADHD)"
      ],
      "interventions": [
        {
          "name": "PRC-063 25 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "PRC-063 35 mg",
          "type": "DRUG"
        },
        {
          "name": "PRC-063 45 mg",
          "type": "DRUG"
        },
        {
          "name": "PRC-063 55 mg",
          "type": "DRUG"
        },
        {
          "name": "PRC-063 70 mg",
          "type": "DRUG"
        },
        {
          "name": "PRC-063 85 mg",
          "type": "DRUG"
        },
        {
          "name": "PRC-063 100 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rhodes Pharmaceuticals, L.P.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 60,
      "start_date": "2014-08",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-07-09",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 2,
      "location_summary": "Newport Beach, California • Las Vegas, Nevada",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02225639"
    },
    {
      "nct_id": "NCT00834821",
      "title": "Effectiveness of a Behavioral Treatment Program for Attention Deficit Hyperactivity Disorder, Inattentive Type",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Disorder With Hyperactivity"
      ],
      "interventions": [
        {
          "name": "Parent Focused Training (PFT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Child Life and Attention Skills (CLAS) Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "7 Years to 11 Years"
      },
      "enrollment_count": 199,
      "start_date": "2008-11-01",
      "completion_date": "2013-01-03",
      "has_results": false,
      "last_update_posted_date": "2019-06-18",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 2,
      "location_summary": "Berkeley, California • San Francisco, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00834821"
    },
    {
      "nct_id": "NCT00593112",
      "title": "Proton Magnetic Spectroscopy in Children and Adolescents With ADHD Before and After Treatment With OROS Methylphenidate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "OROS methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 39,
      "start_date": "2006-11",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2012-08-31",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00593112"
    },
    {
      "nct_id": "NCT01063153",
      "title": "Diagnostic Utility of Attention Deficit Hyperactivity Disorder (ADHD) by Brain Activity Flow Patterns Analysis Using Evoked Response Potentials",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Osmotic Release Methylphenidate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 71,
      "start_date": "2009-09",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2017-05-03",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01063153"
    },
    {
      "nct_id": "NCT03216512",
      "title": "Effects of Noise Cancelling Headphones on Neurocognitive and Academic Outcomes in ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Use of Noise Cancelling Headphones",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "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": 36,
      "start_date": "2018-09-21",
      "completion_date": "2019-01-31",
      "has_results": true,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03216512"
    },
    {
      "nct_id": "NCT05357495",
      "title": "Characterization and Brain Mechanisms of Frustration in Youth With Severe Irritability or Attention Deficit Hyperactivity Disorder (ADHD)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disruptive Mood Dysregulation Disorder",
        "Attention Deficit Hyperactivity Disorder",
        "Normal Physiology"
      ],
      "interventions": [
        {
          "name": "Affective Posner fMRI frustration induction task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-01-05",
      "completion_date": "2023-01-05",
      "has_results": false,
      "last_update_posted_date": "2023-01-10",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05357495"
    },
    {
      "nct_id": "NCT02255565",
      "title": "Dose Response Effects of Quillivant XR in Children With ADHD and Autism: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "ADHD",
        "Autism"
      ],
      "interventions": [
        {
          "name": "Very Low Dose Quillivant XR",
          "type": "DRUG"
        },
        {
          "name": "Low Dose Quillivant XR",
          "type": "DRUG"
        },
        {
          "name": "Moderate Dose Quillivant XR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "5 Years to 16 Years"
      },
      "enrollment_count": 36,
      "start_date": "2014-09",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2017-08-01",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02255565"
    },
    {
      "nct_id": "NCT01146002",
      "title": "Language-based Learning Skills and Attention Deficit Hyperactivity Disorder (ADHD): Impact of Treatment With Sustained-release Guanfacine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention-deficit/Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Guanfacine (sustained release)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurology Group of Bergen County, P.A.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 30,
      "start_date": "2010-06",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2014-04-02",
      "last_synced_at": "2026-09-10T07:32:23.521Z",
      "location_count": 1,
      "location_summary": "Ridgewood, New Jersey",
      "locations": [
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01146002"
    }
  ]
}