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1.
Res Dev Disabil ; 34(5): 1700-9, 2013 May.
Article in English | MEDLINE | ID: mdl-23500164

ABSTRACT

Williams syndrome (WS) is a genetic condition characterized by a unique neurocognitive and behavioral profile, including increased incidence of attention deficit/hyperactivity disorder (ADHD). The purpose of the present study was to examine the perceived helpfulness and side effects of medications used to treat ADHD (methylphenidate class, amphetamine class, atomoxetine) in individuals with WS. This was accomplished with a survey of parents/caregivers of individuals with WS through the Williams Syndrome Association. Five-hundred twelve (512) parents/caregivers responded to the survey regarding their child's/adult child's use of ADHD medications. Twenty-seven percent (27%) of the individuals had been prescribed a medication for ADHD, most commonly a methylphenidate class medication. OROS-methylphenidate was reported as the most helpful methylphenidate class formulation, with 74% reporting it at least somewhat helpful. Survey participants reported similar side effects as typically developing controls, but to a greater degree. Irritability was the most commonly endorsed side effect of an ADHD medication (38%). Individuals reported use of stimulant medications in the presence and absence of underlying cardiac conditions, with 56% of ADHD medication users reporting supravalvular aortic stenosis, 36% pulmonary artery stenosis, and 25% systemic hypertension. Individuals taking ADHD medications were more likely to report dental problems (p=0.004). Additional studies are needed to further investigate these findings and examine short-versus long-acting stimulant medications and dosage effects.


Subject(s)
Amphetamines/administration & dosage , Attention Deficit Disorder with Hyperactivity/drug therapy , Central Nervous System Stimulants/administration & dosage , Methylphenidate/administration & dosage , Williams Syndrome/drug therapy , Adolescent , Amphetamines/adverse effects , Aortic Stenosis, Subvalvular/epidemiology , Attention Deficit Disorder with Hyperactivity/epidemiology , Caregivers , Central Nervous System Stimulants/adverse effects , Child , Child, Preschool , Data Collection , Female , Humans , Hypertension/epidemiology , Incidence , Infant , Male , Mental Disorders/epidemiology , Methylphenidate/adverse effects , Prevalence , Pulmonary Valve Stenosis/epidemiology , Williams Syndrome/epidemiology , Young Adult
2.
Res Dev Disabil ; 33(6): 2106-21, 2012.
Article in English | MEDLINE | ID: mdl-22776821

ABSTRACT

Williams syndrome (WS) is a neurodevelopmental genetic disorder characterized in part by anxiety and behavioral difficulties. We examine the effectiveness and adverse effects of antidepressant, anxiolytic, and antipsychotic medications in individuals with WS. A total of 513 parents/caregivers completed a survey of psychotropic medication usage regarding their child or adult with WS. Twenty-four percent (24%) of the individuals had been prescribed an SSRI medication, while 12% had been prescribed another type of antidepressant or anxiolytic. Overall, 81% of respondents indicated that SSRI medications were either "Helpful" or "Somewhat Helpful", with paroxetine reported to be the least helpful. Sixty-four percent (64%) of survey participants reported that non-SSRI antidepressants and anxiolytics were either "Helpful" or "Somewhat Helpful" in treating symptoms of anxiety. Side effects for the antidepressants and anxiolytics were typically neurological in nature. Ten percent (10%) of the survey participants reported taking an antipsychotic medication, with risperidone and quetiapine described as more helpful than aripiprazole. Medication effectiveness may be related to the impact on serotonin levels. These findings call for further studies of medication usage in WS in order to improve their quality of life.


Subject(s)
Anti-Anxiety Agents/adverse effects , Anti-Anxiety Agents/therapeutic use , Antidepressive Agents/adverse effects , Antidepressive Agents/therapeutic use , Antipsychotic Agents/adverse effects , Antipsychotic Agents/therapeutic use , Williams Syndrome/drug therapy , Williams Syndrome/psychology , Adolescent , Adult , Child , Child, Preschool , Drug Utilization/statistics & numerical data , Female , Health Surveys , Humans , Infant , Male , Middle Aged , Selective Serotonin Reuptake Inhibitors/adverse effects , Selective Serotonin Reuptake Inhibitors/therapeutic use , Treatment Outcome , Williams Syndrome/diagnosis , Young Adult
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