Long-term efficacy of methylphenidate in enhancing attention regulation, social skills, and academic abilities of childhood cancer survivors.

J Clin Oncol 2010 Oct 13;28(29):4465-72. Epub 2010 Sep 13.

Department of Psychology, St Jude Children's Research Hospital, Memphis, TN 38105-2794, USA.

Purpose: Methylphenidate (MPH) ameliorates attention problems experienced by some cancer survivors in the short term, but its long-term efficacy is unproven.

Patients And Methods: This study investigates the long-term effectiveness of maintenance doses of MPH in survivors of childhood brain tumors (n = 35) and acute lymphoblastic leukemia (n = 33) participating in a 12-month MPH trial. Measures of attention (Conners' Continuous Performance Test [CPT], Conners' Rating Scales [CRS]), academic abilities (Wechsler Individual Achievement Test [WIAT]), social skills (Social Skills Rating System [SSRS]), and behavioral problems (Child Behavior Checklist [CBCL]) were administered at premedication baseline and at the end of the MPH trial while on medication. A cancer control group composed of patients who were not administered MPH (brain tumor = 31 and acute lymphoblastic leukemia = 23) was assessed on the same measures 12 [corrected] months apart.

Results: For the MPH group, repeated measures analysis of variance revealed significant improvement in performance on a measure of sustained attention (CPT indices, P < .05); parent, teacher, and self-report ratings of attention (CRS indices, P < .05), and parent ratings of social skills or behavioral problems (SSRS and CBCL indices; P < .05). In contrast, the cancer control group only showed improvement on parent ratings of attention (Conners' Parent Rating Scale indices; P < .05) and social skills (SSRS and CBCL indices; P < .05). There was no significant improvement on the academic measure (WIAT) in either group.

Conclusion: Attention and behavioral benefits of MPH for childhood cancer survivors are maintained across settings over the course of a year. Although academic gains were not identified, MPH may offer benefits in academic areas not assessed.

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Source
http://ascopubs.org/doi/10.1200/JCO.2010.28.4026
Publisher Site
http://dx.doi.org/10.1200/JCO.2010.28.4026DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2988638PMC
October 2010
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