Effects of Atx and Oros-mph on Executive Functions

Phase 4CompletedNCT02352051

TC Erciyes University43 enrolled

Overview

The aim of this study was to evaluate and compare the effects of Atomoxetine(ATX) and osmotic release oral system-methylphenidate (OROS-MPH) therapies on executive functions, activities, treatment response time and adverse effects based on discernible clinical effects in children with combined type attention deficit-hyperactivity disorder (ADHD). In this study, the functional capabilities of the patients who clinically responded well to therapy were assessed simultaneously with clinical response that may appear at different time periods and the treatment groups were compared in patients who responded to therapy by excluding patients with insufficient clinical response.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Executive Dysfunction

Interventions

AtomoxetineDRUG

the drug was initiated at a dose of 0.5 mg/kg/day which was then gradually increased at 2-week intervals and it was attempted to titrate the dose to 1.2 mg/kg/day.

methylphenidateDRUG

the drug was initiated at the lowest commercially available dose this was then increased at one-month intervals and it was attempted to titrate the dose to 1 mg/kg/day using daily doses of 36-54 mg

Eligibility

Sex: ALLMin age: 7 YearsMax age: 12 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Combined type ADHD diagnosis was made by a child psychiatrist according to DSM-IV criteria through K-SADS interview with the patient and mother * The Clinical Global Impression Scale (CGI-S) was applied to determine ADHD severity and patients with a CGI-S score≥4 Exclusion Criteria: * Psychological, neurological or psychiatric diseases other than ADHD, * ADHD types other than combined type, * Medication that influences cognitive processes or history of such medication, * WISC-R scores \<80 or \>120

Outcomes

Primary Outcomes

Effects of Atx and Oros-mph on Executive Functions, measured by Wisconsin Card Sorting Test, Stroop Test TBAG Form and Visual Auditory Digit Span B

Wisconsin Card Sorting Test:WCST measures cognitive processes such as administrative control, characterization, perseveration, executive function, conceptualization, abstract thinking and reasoning, and it is mainly linked to frontal lobe . Stroop Test TBAG Form:Stroop test is closely related to frontal lobe and many other serebral regions. It provides information about several cognitive processes such as selective attention, response inhibition, interference control and input processing speed. Visual Auditory Digit Span B:VADS B is a test measures short-term memory, sequencing and sensorimotor integration. The tests were applied to all patients after diagnosis and evaluations.Recovery score decreasing to 2 or 1 according to CGI-I was set as time for repetition of tests. The tests were repeated at any time of day in ATX group while they were repeated within first 60-180 minutes after ingestion of drug in OROS MPH group.

Time frame: 20 weeks

Data from ClinicalTrials.gov

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