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Placebo-Controlled Multi-Centre Double-Blind Trial for Adults With Extended-Release Methylphenidate for ADHD

Placebo-Controlled Multi-Centre Double-Blind Trial for Adults With Extended-Release Methylphenidate for ADHD

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00619840
Acronym
EMMA
Enrollment
363
Registered
2008-02-21
Start date
2004-11-30
Completion date
Unknown
Last updated
2008-02-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Attention Deficit Hyperactivity Disorder

Keywords

ADHD, Attention Deficit Hyperactivity Disorder, adult, methylphenidate hydrochloride, Medikinet retard, long-term observation, controlled clinical trial, safety, randomized, double-blind, placebo-controlled trial, treatment, central nervous system stimulants, therapeutic uses

Brief summary

Investigation of efficacy and tolerability of extended-release MPD in adults with ADHD, compared with a placebo, and to acquire knowledge through long-term observation of adults

Interventions

DRUGmethylphenidate hydrochloride

sustained release, 10 mg capsule 1-3 capsules twice daily according to an individual titration schedule

DRUGPlacebo

10 mg capsule 1-3 capsules twice daily according to an individual titration schedule

Sponsors

Medice Arzneimittel Pütter GmbH & Co KG
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patient treated as outpatient or inpatient * Patient has a good command of German * Score of 85 or greater in the IQ test (MWT-B) * Diagnosis of ADHD according to ADHD-CL (DSM IV) and WRI-WRAADDS \> 28 points * ADHD symptoms have existed since childhood (WURS-k \>= 30) * Body mass index \>= 20 * Willing to eat breakfast * Patient is willing and able to come to the observation appointments * Written consent of the patient to participate in the study

Exclusion criteria

* Treatment with psychostimulants in the past 2 weeks * Inconsistencies in the CAARS- S:L \>= 8 (Inconsistency Index) * Shift work or night work * Alcohol, medication or drug dependency in the past 6 months or manifest drug abuse * Diagnosis of a psychosis (SKID-I) * Epileptic attacks in the past * EEG results which suggest epilepsy * Clinically relevant liver disease * Clinically relevant hyperthyroidism (relevantly elevated TSH, T4) * Acute depressive episode according to ICD-10 F32.2 and ICD-10 32.3 (SKID-I) * Illnesses with schizophrenic symptoms (SKID-I) * Acute manic episode, bipolar disorder (SKID-I) * Diagnosis of a tic disorder * Acute anorexia * Acute prominent panic disorder and generalised anxiety (SKID-I) * Clinically relevant kidney disorders * Known high blood pressure * Known occlusive arterial disease * Known angina pectoris * Known coronary heart disease and state after myocardial infarction * Known tachycardial arrhythmias * Post-stroke status * Known elevated intra-occular pressure * Known enlarged prostates * Participation in a clinical study within the past 30 days * Participation in this study at an earlier point in time * Simultaneous participation in another clinical trial * Women of child-bearing age without adequate contraception * Patients with terminal illness (e.g. cancer) * Pregnancy (positive pregnancy test) or lactation period

Design outcomes

Primary

MeasureTime frame
German validated version of the WRAADDS: Wender-Reimherr-Interview (WRI)Week 24

Secondary

MeasureTime frame
CAARS self report: long version (CAARS-S:L)Week 24

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026