{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Methylphenidate+Hydrochloride+ER",
    "query": {
      "intervention": "Methylphenidate Hydrochloride ER"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Methylphenidate+Hydrochloride+ER&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T06:01:04.899Z",
  "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": "NCT01100268",
      "title": "Enhancing Attention in Adults With Compulsive Hoarding",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hoarding Disorder"
      ],
      "interventions": [
        {
          "name": "Methylphenidate ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 4,
      "start_date": "2010-04",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2014-09-18",
      "last_synced_at": "2026-09-25T06:01:04.899Z",
      "location_count": 2,
      "location_summary": "Hartford, Connecticut • New York, New York",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01100268"
    },
    {
      "nct_id": "NCT02096952",
      "title": "Methylphenidate ER Liquid Formulation in Adults With ASD and ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention-deficit/Hyperactivity Disorder",
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Methylphenidate extended-release liquid formulation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General 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": 15,
      "start_date": "2014-05",
      "completion_date": "2018-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-01",
      "last_synced_at": "2026-09-25T06:01:04.899Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02096952"
    },
    {
      "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": "2026-09-25T06:01:04.899Z",
      "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": "NCT02493777",
      "title": "A Pivotal Efficacy Trial to Evaluate HLD200 in Children With ADHD in a Classroom 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": 125,
      "start_date": "2015-07",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2021-07-23",
      "last_synced_at": "2026-09-25T06:01:04.899Z",
      "location_count": 7,
      "location_summary": "Newport Beach, California • Bradenton, Florida • Maitland, Florida + 4 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Marshfield",
          "state": "Massachusetts"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02493777"
    },
    {
      "nct_id": "NCT05916339",
      "title": "AWARE: Management of ADHD in Autism Spectrum Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "ADHD",
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Randomization to either Amphetamine (AMP) class of stimulant medication or Methylphenidate (MPH) class of stimulant medication",
          "type": "DRUG"
        },
        {
          "name": "Randomization to either Alpha 2 agonist class of medication or alternate class of stimulant.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daniel Coury",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 500,
      "start_date": "2023-10-01",
      "completion_date": "2027-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-09-25T06:01:04.899Z",
      "location_count": 10,
      "location_summary": "Irvine, California • Los Angeles, California • Portland, Maine + 7 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Portland",
          "state": "Maine"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05916339"
    },
    {
      "nct_id": "NCT07300956",
      "title": "Treating Young Children With Attention Deficit Hyperactivity Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Attention-Deficit/Hyperactivity Disorder (ADHD)"
      ],
      "interventions": [
        {
          "name": "Guanfacine (GUA)",
          "type": "DRUG"
        },
        {
          "name": "Methylphenidate (MPH)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "3 Years to 5 Years"
      },
      "enrollment_count": 370,
      "start_date": "2026-02-16",
      "completion_date": "2030-07",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-09-25T06:01:04.899Z",
      "location_count": 5,
      "location_summary": "Palo Alto, California • Boston, Massachusetts • Kansas City, Missouri + 2 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07300956"
    },
    {
      "nct_id": "NCT01109849",
      "title": "Novel Approach to Stimulant Induced Weight Suppression and Its Impact on Growth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "ADHD",
        "Growth"
      ],
      "interventions": [
        {
          "name": "behavior therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Extended release (ER) methylphenidate product",
          "type": "DRUG"
        },
        {
          "name": "monitoring",
          "type": "OTHER"
        },
        {
          "name": "drug holiday",
          "type": "OTHER"
        },
        {
          "name": "caloric supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "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": 230,
      "start_date": "2010-11",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2017-07-14",
      "last_synced_at": "2026-09-25T06:01:04.899Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01109849"
    },
    {
      "nct_id": "NCT01940978",
      "title": "A Study of Combination Therapy in Children With ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "ADHD",
        "Attention Deficit Hyperactivity Disorder",
        "Attention Deficit Disorder With Hyperactivity",
        "Mental Disorders Diagnosed in Childhood",
        "Attention Deficit and Disruptive Behavior Disorders"
      ],
      "interventions": [
        {
          "name": "Methylphenidate ER",
          "type": "DRUG"
        },
        {
          "name": "Cyproheptadine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Douglas Sears",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 99,
      "start_date": "2014-03",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2015-04-10",
      "last_synced_at": "2026-09-25T06:01:04.899Z",
      "location_count": 1,
      "location_summary": "Van Nuys, California",
      "locations": [
        {
          "city": "Van Nuys",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01940978"
    },
    {
      "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": "2026-09-25T06:01:04.899Z",
      "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": "NCT01269463",
      "title": "Time Course of Response to Methylphenidate HCl ER Capsules in Children 6 to 12 Years With ADHD in Classroom Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder",
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Methylphenidate Hydrochloride Extended Release Capsule",
          "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": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 26,
      "start_date": "2011-01-19",
      "completion_date": "2013-03-13",
      "has_results": true,
      "last_update_posted_date": "2022-12-13",
      "last_synced_at": "2026-09-25T06:01:04.899Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01269463"
    }
  ]
}