NCT03781752

Brief Summary

The study team will determine the association between d,l-methylphenidate (MPH) therapeutic outcomes in ADHD patients and genetic variants of CES1 and reveal key associations between CES1 genotypes and the PK and PD of MPH.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
500

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Mar 2018

Longer than P75 for phase_4

Geographic Reach
1 country

4 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 4, 2018

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

December 18, 2018

Completed
2 days until next milestone

First Posted

Study publicly available on registry

December 20, 2018

Completed
6.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2025

Completed
Last Updated

August 9, 2024

Status Verified

August 1, 2024

Enrollment Period

7.4 years

First QC Date

December 18, 2018

Last Update Submit

August 6, 2024

Conditions

Keywords

PK StudyPD StudyPharmacokineticsPharmacodynamicsMethylphenidateMPH

Outcome Measures

Primary Outcomes (1)

  • Maximum methylphenidate plasma concentration (Cmax),

    The maximum plasma concentration achieved after dosing.

    up to 8 Hours

Secondary Outcomes (3)

  • Time to maximum concentration (Tmax)

    up 8 hours

  • Area under the plasma concentration curve (AUClast)

    up to 8 hours

  • Area under the plasma concentration curve (AUCinf)

    up to 8 hours

Study Arms (1)

Methylphenidate

EXPERIMENTAL

Youth with ADHD

Drug: Methylphenidate

Interventions

study to determine dose

Also known as: d,l-methylphenidate, MPH
Methylphenidate

Eligibility Criteria

Age6 Years - 17 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • \- Youth ages 6-17 years with ADHD as a primary diagnosis

You may not qualify if:

  • Participants that do not have ADHD as a primary diagnosis
  • Participants that do not want, require, or are not healthy enough for a single dose trial of MPH for ADHD per the clinical judgment of the treating and study clinicians
  • Participants that are smokers or, are pregnant

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (4)

University of Florida

Gainesville, Florida, 32610, United States

RECRUITING

Icahn School of Medicine at Mount Sinai

New York, New York, 10029, United States

RECRUITING

Cincinnati Children's Hospital Medical Center

Cincinnati, Ohio, 45229, United States

COMPLETED

Seattle Children's Hospital

Seattle, Washington, 98105, United States

TERMINATED

Related Publications (1)

  • Zhang Q, Melchert PW, Awad A, McCurdy CR, Krone B, Newcorn J, Froehlich TE, Stein MA, Raeuscher J, Zhu HJ, Markowitz JS. Increased Plasma Concentrations of 6-oxo-Methylphenidate in CES1 G134E Carriers Following a Single Oral Dose of Methylphenidate. Med Chem Res. 2025 Nov;34(11):2318-2327. doi: 10.1007/s00044-025-03477-3. Epub 2025 Oct 2.

MeSH Terms

Conditions

Attention Deficit Disorder with Hyperactivity

Interventions

Methylphenidate5,10-dihydro-5-methylphenazine

Condition Hierarchy (Ancestors)

Attention Deficit and Disruptive Behavior DisordersNeurodevelopmental DisordersMental Disorders

Intervention Hierarchy (Ancestors)

PhenylacetatesAcids, CarbocyclicCarboxylic AcidsOrganic ChemicalsPiperidinesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Study Officials

  • Jeffrey Newcorn, MD

    Icahn School of Medicine at Mount Sinai

    PRINCIPAL INVESTIGATOR
  • Mark Stein, PhD

    University of Washington

    PRINCIPAL INVESTIGATOR
  • Tanya Froehlich, MD

    Children's Hospital Medical Center, Cincinnati

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Beth Krone, PhD

CONTACT

John Markowitz, PharmD

CONTACT

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
SINGLE GROUP
Model Details: The study team is performing a pharmacokinetic (PK) study using a single dose of methylphenidate (MPH) for children with ADHD diagnoses.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

December 18, 2018

First Posted

December 20, 2018

Study Start

March 4, 2018

Primary Completion

August 1, 2025

Study Completion

August 1, 2025

Last Updated

August 9, 2024

Record last verified: 2024-08

Data Sharing

IPD Sharing
Will not share

Locations