Zinc sulfate as an adjunct to methylphenidate for the treatment of Attention Deficit Hyperactivity Disorder (ADHD) in children: a double blind and randomised trial

ISRCTN ISRCTN64132371
DOI https://doi.org/10.1186/ISRCTN64132371
Protocol serial number Roozbeh Trial
Sponsor Tehran University of Medical Sciences (Iran)
Funder Tehran University of Medical Sciences (Iran)
Submission date
22/02/2004
Registration date
23/02/2004
Last edited
24/08/2007
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Mental and Behavioural Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Shahin Akhondzadeh
Scientific

Roozbeh Psychiatric Hospital
Tehran University of Medical Sciences
South Kargar Street
Tehran
13337
Iran

Email s.akhond@sina.tums.ac.ir

Study information

Primary study designInterventional
Study designRandomised controlled trial
Secondary study designRandomised controlled trial
Scientific title
Study acronymZinc ADHD Trial
Study objectivesNot provided at time of registration
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedAttention Deficit Hyperactivity Disorder (ADHD)
InterventionPatients were randomised to methylphenidate 1 mg/kg/day + zinc sulfate 55 mg/day (with approximately 15 mg zinc element) (group 1) and methylphenidate 1 mg/kg/day + placebo (sucrose 55 mg) (group 2) for a 6 week double blind clinical trial. The principal measure of the outcome was the Teacher and Parent ADHD Rating Scale. Patients were assessed by a child psychiatrist at baseline, 14, 28 and 42 days after the medication started.
Intervention typeDrug
PhaseNot Specified
Drug / device / biological / vaccine name(s)Methylphenidate, zinc sulphate
Primary outcome measure(s)

Not provided at time of registration

Key secondary outcome measure(s)

Not provided at time of registration

Completion date01/10/2003

Eligibility

Participant type(s)Patient
Age groupNot Specified
SexNot Specified
Target sample size at registration44
Key inclusion criteriaSubjects were 44 outpatient children (26 boys and 18 girls) between the ages of 5 - 11 (mean ± SD was 7.88 ± 1.67) who clearly met the Diagnostic and Statistical Manual of Mental Disorders, Fourth edition (DSM IV) diagnostic criteria for attention-deficit hyperactivity disorder.
Key exclusion criteriaNot provided at time of registration
Date of first enrolment01/01/2002
Date of final enrolment01/10/2003

Locations

Countries of recruitment

  • Iran

Study participating centre

Roozbeh Psychiatric Hospital
Tehran
13337
Iran

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article Results 08/04/2004 Yes No