Clinical trials: Methylphenidate
Attention Deficit Hyperactivity Disorder
Brain Dopamine Function in Adults With ADHD
The purpose of the study is to investigate the functional state of dopamine cells and the dopamine transporter in ADHD subjects and controls to assess the effects of chronic methylphenidate treatment on dopamine cell function and…
- Trial name
- Brookhaven (NCT00580814)
- Testing
- Experimental: methylphenidate treatment
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Healthy
A Drug Interaction Study of SPD503 and Concerta Administered Alone and In Combination in Normal Healthy Volunteers
This is a drug-drug interaction study; the purpose of this study is to examine the pharmacokinetics (levels of drug in the blood) of SPD503 (guanfacine hydrochloride) and Concerta (methylphenidate HCl) when given alone, and in…
- Trial name
- NCT00901576
- Testing
- SPD503, Concerta, SPD503 + Concerta
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Shire
Healthy, Attention Deficit Hyperactivity Disorder
Control of Cognition (Naltrexone, Methylphenidate, and ADHD Study (NMAS))
The goal of this research is to understand the functioning of 'regulatory circuits' in the brain. We are also interested in how the medications methylphenidate and naltrexone affect these regulatory circuits.
- Trial name
- NMAS (NCT01993108)
- Testing
- Methylphenidate, Naltrexone
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Attention Deficit Hyperactivity Disorder
Diagnostic Utility of Attention Deficit Hyperactivity Disorder (ADHD) by Brain Activity Flow Patterns Analysis Using Evoked Response Potentials
The purpose of this research study is to study a device called an electroencephalograph (EEG) in the diagnosis of treatment of attention deficit hyperactivity disorder (ADHD) in adults.
- Trial name
- NCT01063153
- Testing
- Osmotic Release Methylphenidate
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Autism, Attention Deficit Disorder With Hyperactivity
Methylphenidate for Attention Deficit Hyperactivity Disorder and Autism in Children
This study examined the cognitive and behavioral differences in children who have an autism spectrum disorder (ASD) with or without additional symptoms of ADHD.
- Trial name
- NCT00178503
- Testing
- Methylphenidate-extended release, Methylphenidate-immediate release
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Smoking
Testing Methylphenidate for Smoking Abstinence
Cigarette smoking continues to be a major public health problem. Tobacco dependence interventions, as recommended by the USPHS Clinical Practice Guideline are not effective for all smokers.
- Trial name
- NCT00549640
- Testing
- Methylphenidate
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Healthy
A Study of Repeat Dosing of OROS® Methylphenidate Hydrochloride (CONCERTA®) and Immediate Release Methylphenidate Hydrochloride in Healthy Adults
This is a double-blind, randomized, placebo-controlled, five-period crossover study to examine the likability of a repeated administration of immediate release methylphenidate hydrochloride (IR-MPH 40 mg) and OROS®-MPH (CONCERTA®…
- Trial name
- NCT00302458
- Testing
- OROS-Methylphenidate, Immediate Release Methylphenidate
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Attention Deficit Hyperactivity Disorder
Gene-environment Interactions and Brain Functional Connectivity in Attention Deficit Hyperactivity Disorder
The aims of the current study are to examine gene-environment interactions associated with norepinephrine (NE) system genes (ADRA2A, SLC6A2) in ADHD, and to evaluate whether genetic changes in norepinephrine pathway are…
- Trial name
- NCT01912352
- Testing
- Methylphenidate
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- Seoul National University
Attention Deficit Hyperactivity Disorder, ADHD
Imaging Stimulant and Non Stimulant Treatments for ADHD: A Network Based Approach
The growing number of medications used to treat attention-deficit/hyperactivity disorder (ADHD) raises important questions about whether different medications have similar or different therapeutic mechanisms of action.
- Trial name
- NCT01678209
- Testing
- fMRI scans, Atomoxetine arm, Methylphenidate arm
- Where
- United States
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Alcohol Use Disorder
Behavioral Effects of Drugs: Inpatient (36) (Alcohol, Duloxetine, and Methylphenidate)
This study will evaluate the behavioral effects of alcohol during maintenance on placebo, duloxetine, methylphenidate and duloxetine combined with methylphenidate using sophisticated human laboratory methods.
- Trial name
- BED[IN]:36 (NCT03575403)
- Testing
- Alcohol, Duloxetine (60 MG), Methylphenidate
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Craig Rush
Methamphetamine Use Disorder
Behavioral Effects of Drugs (Inpatient): 40 [Methamphetamine, Methylphenidate, Duloxetine]
This study will evaluate the behavioral effects of methamphetamine during maintenance on placebo, duloxetine, methylphenidate and duloxetine combined with methylphenidate using sophisticated human laboratory methods.
- Trial name
- NCT04178993
- Testing
- Methamphetamine, Methylphenidate, Duloxetine
- Where
- 2 sites in United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Craig Rush
Healthy
Behavioral Differences in Effortful Control
Effortful control refers to the mental processes that help a person to regulate his or her own attention, thoughts, and emotions.
- Trial name
- BDEC (NCT01852344)
- Testing
- Methylphenidate, Easy Behavioral Task, Hard Behavioral Task
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Epilepsy, Cognitive Deficits
Methylphenidate Treatment of Attention Deficits in Epilepsy
Methylphenidate (MPH) has long been used to improve attention and cognitive difficulties associated with ADHD, including in children with ADHD and epilepsy (Torres et al., 2008).
- Conditions
- Epilepsy, Cognitive Deficits, Attention Deficits
- Trial name
- NCT02178995
- Testing
- Methylphenidate
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Kimford Jay Meador
Cocaine Dependence
Understanding Dopamine Mechanisms in Cocaine Addiction Using AMPT and Methylphenidate With [11C]RAC/[11C]PHNO PET
Studies using positron emission tomography (PET) have been used with great success in demonstrating specific abnormalities in several facets of dopaminergic system function in human populations (Narendran and Martinez 2009).
- Trial name
- NCT02152670
- Testing
- Methylphenidate, Alpha Methyl Para Tyrosine (AMPT), [11C]PHNO
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Yale University
Attention Deficit Hyperactivity Disorder (ADHD)
The Effect of Methylphenidate Treatment on Oxidative Stress Levels in Children Diagnosed With Attention Deficit Hyperactivity Disorder (ADHD)
The aim of this study is to investigate the effect of methylphenidate treatment on oxidative stress by measuring the levels of Total Oxidant Status (TOS), Total Antioxidant Status (TAS), Oxidative Stress Index (OSI=TOS/TAS)…
- Trial name
- NCT06844812
- Testing
- This is not an interventional study. Patients who are planned to start methylphenidate treatment have been invited to participate in the study.
- Where
- Turkey (Türkiye)
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi
Acute Lymphoblastic Leukemia, Brain Tumors
Learning Impairments Among Survivors of Childhood Cancer
Children surviving some types of cancer have a higher risk of developing learning problems after cancer treatment than do children who have not had cancer or its treatment.
- Trial name
- NCT00576472
- Testing
- Methylphenidate
- Where
- 3 sites in United States
- Volunteers
- 469 people, healthy volunteers welcome
- Sponsor
- St. Jude Children's Research Hospital
Drug Interaction
Cannabidiol and CES1 Interactions in Healthy Subjects
The proposed study will assess the drug interaction potential between oral cannabidiol (Epidiolex®) and the carboxylesterase 1 (CES1) substrate methylphenidate (Ritalin®) in 12 healthy research subjects
- Trial name
- NCT04603391
- Testing
- dl-Methylphenidate plus Cannabidiol
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Florida
ADHD
Proton Magnetic Spectroscopy in Children and Adolescents With ADHD Before and After Treatment With OROS Methylphenidate
This will be an open label study using daily does of up to 126mg/day of Concerta in the treatment of children and adolescents, ages 12-17, who meet DSM-IV criteria for ADHD.
- Trial name
- NCT00593112
- Testing
- OROS methylphenidate, No intervention
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Attention Deficit Hyperactivity Disorder (ADHD)
A Long Term Post-Marketing Study on the EffIcacy and Safety of Osmotic Release Oral System (OROS) Methylphenidate on the Cognitive Functions of Attention Deficit Hyperactivity Disorder (ADHD) Participants
The purpose of this long term post-marketing study is to evaluate the effectiveness and safety of osmotic release oral system methylphenidate hydrochloride (OROS-MPH) in participants with Attention Deficit Hyperactivity Disorder…
- Trial name
- NCT01933880
- Testing
- Osmotic Release Oral System Methylphenidate Hydrochloride (OROS-MPH), No intervention
- Where
- 6 sites in China
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- Xian-Janssen Pharmaceutical Ltd.