{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CONCERTA+%28methylphenidate+HCl%29+%2F+Placebo&page=3",
    "query": {
      "intervention": "CONCERTA (methylphenidate HCl) / Placebo",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 153,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CONCERTA+%28methylphenidate+HCl%29+%2F+Placebo&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CONCERTA+%28methylphenidate+HCl%29+%2F+Placebo&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T20:48:33.984Z",
  "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": "NCT03811847",
      "title": "A Pilot of Methylphenidate in Mild Cognitive Impairment and Dementia Participants.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alzheimer Dementia"
      ],
      "interventions": [
        {
          "name": "Methylphenidate Extended Release Oral Capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 11,
      "start_date": "2019-11-01",
      "completion_date": "2021-08-30",
      "has_results": true,
      "last_update_posted_date": "2023-06-02",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03811847"
    },
    {
      "nct_id": "NCT04603391",
      "title": "Cannabidiol and CES1 Interactions in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Drug Interaction"
      ],
      "interventions": [
        {
          "name": "dl-Methylphenidate plus Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "dl-Methylphenidate plus Cannabidiol Placebo solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-02-25",
      "completion_date": "2021-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-18",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04603391"
    },
    {
      "nct_id": "NCT02822937",
      "title": "Sensitivity of Project: EVO Monitor Cognitive Measurements to Pharmacological Agents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Triazolam",
          "type": "DRUG"
        },
        {
          "name": "Project: EVO",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Akili Interactive Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "40 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2016-07",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2016-11-07",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02822937"
    },
    {
      "nct_id": "NCT01835548",
      "title": "NT0102 in the Treatment of Children With Attention Deficit Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder (ADHD)"
      ],
      "interventions": [
        {
          "name": "NT0102",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neos Therapeutics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 87,
      "start_date": "2013-07",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2018-01-17",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 4,
      "location_summary": "Bradenton, Florida • Maitland, Florida • Las Vegas, Nevada + 1 more",
      "locations": [
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01835548"
    },
    {
      "nct_id": "NCT00693212",
      "title": "Further Studies of Attention Deficit Disorder - Residual Type (RT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "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": 116,
      "start_date": "1986-02",
      "completion_date": "1994-11",
      "has_results": false,
      "last_update_posted_date": "2008-06-06",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00693212"
    },
    {
      "nct_id": "NCT00061087",
      "title": "Treatment of Adult Attention Deficit Hyperactivity Disorder (ADHD) in Methadone Patients - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "ADHD",
        "Opioid-Related Disorders",
        "Cocaine Dependence"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 115,
      "start_date": "1998-02",
      "completion_date": "2004-10",
      "has_results": false,
      "last_update_posted_date": "2019-04-23",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00061087"
    },
    {
      "nct_id": "NCT01074294",
      "title": "Study of the Safety and Efficacy of OPC-34712 as a Complementary Therapy in the Treatment of Adult Attention Deficit/Hyperactivity Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "OPDC-34712",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Stimulant Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "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": 740,
      "start_date": "2010-03-16",
      "completion_date": "2011-06-20",
      "has_results": true,
      "last_update_posted_date": "2023-02-02",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 35,
      "location_summary": "Little Rock, Arkansas • Beverly Hills, California • Irvine, California + 32 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01074294"
    },
    {
      "nct_id": "NCT01896700",
      "title": "Methylphenidate to Improve Balance and Walking in MS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": "2013-07",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01896700"
    },
    {
      "nct_id": "NCT00453921",
      "title": "Methylphenidate (Ritalin) and Memory/Attention in Traumatic Brain Injury (TBI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Injury"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Memory and Attention Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo as both treatments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 76,
      "start_date": "2007-02",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2018-06-13",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • Indianapolis, Indiana • Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00453921"
    },
    {
      "nct_id": "NCT01045083",
      "title": "A Study of the Ability of Functional Magnetic Resonance Imaging (fMRI) to Detect and Characterize the Effects of Two Marketed Centrally Active Drugs, Placebo, and RO4917523 in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "RO4917523",
          "type": "DRUG"
        },
        {
          "name": "escitalopram",
          "type": "DRUG"
        },
        {
          "name": "methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 25,
      "start_date": "2010-01",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-10-07T20:48:33.984Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01045083"
    }
  ]
}