{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CONCERTA+%28methylphenidate+HCl%29+%2F+Placebo&page=5",
    "query": {
      "intervention": "CONCERTA (methylphenidate HCl) / Placebo",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "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=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CONCERTA+%28methylphenidate+HCl%29+%2F+Placebo&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T20:25:06.359Z",
  "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": "NCT00880217",
      "title": "A Study to Evaluate 3 Different Doses of JNJ-31001074 in the Treatment of Adults With Attention-Deficit/Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Atomoxetine 80 mg/d",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "OROS methylphenidate HCl 54 mg/d",
          "type": "DRUG"
        },
        {
          "name": "JNJ-31001074 3 mg/d",
          "type": "DRUG"
        },
        {
          "name": "JNJ-31001074 1 mg/d",
          "type": "DRUG"
        },
        {
          "name": "JNJ-31001074 10 mg/d",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "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": 430,
      "start_date": "2009-05",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2013-03-04",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 35,
      "location_summary": "Little Rock, Arkansas • Lafayette, California • Los Alamitos, California + 32 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Lafayette",
          "state": "California"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Wildomar",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00880217"
    },
    {
      "nct_id": "NCT03525873",
      "title": "A Study of Cancer Related Fatigue in Patients With Metastatic Cancer Receiving Anti-PD1 Immunotherapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Malignant Neoplasm",
        "Metastatic Malignant Neoplasm",
        "Recurrent Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Physical Activity",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 212,
      "start_date": "2018-08-02",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03525873"
    },
    {
      "nct_id": "NCT01933217",
      "title": "Methylphenidate for Attention Problems After Pediatric TBI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Traumatic Brain Injury",
        "TBI",
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 26,
      "start_date": "2013-11",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2020-06-04",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01933217"
    },
    {
      "nct_id": "NCT05669924",
      "title": "Neural Correlates of Acute Pain Dynamics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-09-19",
      "completion_date": "2024-04-26",
      "has_results": false,
      "last_update_posted_date": "2024-05-01",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05669924"
    },
    {
      "nct_id": "NCT07306078",
      "title": "Methylphenidate and Response to Alcohol Cues",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Methylphenidate Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo Pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-10",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07306078"
    },
    {
      "nct_id": "NCT01239030",
      "title": "Efficacy and Safety of Methylphenidate HCl ER Capsules in Children and Adolescents With ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder",
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Methylphenidate Hydrochloride Extended Release Capsules",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rhodes Pharmaceuticals, L.P.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 230,
      "start_date": "2010-11",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2023-02-22",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 16,
      "location_summary": "Little Rock, Arkansas • Irvine, California • National City, California + 13 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Lauderhill",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01239030"
    },
    {
      "nct_id": "NCT00526630",
      "title": "Methylphenidate for the Treatment of Gait Impairment in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Gait Impairment"
      ],
      "interventions": [
        {
          "name": "Methylphenidate (MPD)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "35 Years to 85 Years"
      },
      "enrollment_count": 23,
      "start_date": "2007-12",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2015-04-22",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00526630"
    },
    {
      "nct_id": "NCT00631280",
      "title": "Does Active Parent Involvement in Deliberation and Choice Improve Medication Persistence for Their Child With ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention-Deficit/Hyperactivity Disorder (ADHD)"
      ],
      "interventions": [
        {
          "name": "Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Recommendation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "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": 70,
      "start_date": "2007-09",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2015-03-05",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00631280"
    },
    {
      "nct_id": "NCT00393042",
      "title": "Sleep and Tolerability Study: Comparing the Effects of Adderall XR and Focalin XR",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Dexmethylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Mixed Amphetamine Salts, ER",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "9 Years to 17 Years"
      },
      "enrollment_count": 77,
      "start_date": "2006-01",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2017-04-19",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Northbrook, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Northbrook",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00393042"
    },
    {
      "nct_id": "NCT03610282",
      "title": "EEG Study of IV Methylphenidate-Induced Emergence From Propofol Sedation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "IV Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-11",
      "completion_date": "2021-11",
      "has_results": false,
      "last_update_posted_date": "2020-02-21",
      "last_synced_at": "2026-10-09T20:25:06.359Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03610282"
    }
  ]
}