Effects of donepezil and serotonin reuptake inhibitor on acute regression during adolescence in Down syndrome

Abstract A 14-year-old boy with Down syndrome (DS) showed a gradual decline in his daily activities and feeding capacities, and a marked deterioration triggered by a streptococcal infection was observed at the age of 15 years. He became bedridden, accompanied by sleep disturbance, sustained upward g...

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Veröffentlicht in:Brain & development (Tokyo. 1979) 2016-01, Vol.38 (1), p.113-117
Hauptverfasser: Tamasaki, Akiko, Saito, Yoshiaki, Ueda, Riyo, Ohno, Koyo, Yokoyama, Katsutoshi, Satake, Takahiro, Sakuma, Hiroshi, Takahashi, Yukitoshi, Kondoh, Tatsuro, Maegaki, Yoshihiro
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Sprache:eng
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Zusammenfassung:Abstract A 14-year-old boy with Down syndrome (DS) showed a gradual decline in his daily activities and feeding capacities, and a marked deterioration triggered by a streptococcal infection was observed at the age of 15 years. He became bedridden, accompanied by sleep disturbance, sustained upward gaze, and generalized rigidity. Magnetic resonance imaging showed unremarkable findings, but antiglutamate receptor autoantibodies were positive in his cerebrospinal fluid. Treatment with thiamine infusion and steroid pulse therapy showed little effect, but gross motor dysfunction and appetite loss were ameliorated by the administration of l -DOPA and serotonin reuptake inhibitors. Thereafter, autistic behaviors predominated, including loss of social interaction, oral tendency, water phobia, and aggressiveness. Initiation of donepezil, an acetylcholinesterase inhibitor, resulted in the disappearance of these symptoms and total recovery of the patient to his previous psychosocial levels. We hypothesize that the acute regression in adolescence represents a process closely related to the defects of serotonergic and cholinergic systems that are innate to DS brains and not just a nonspecific comorbidity of depression or limbic encephalitis.
ISSN:0387-7604
1872-7131
DOI:10.1016/j.braindev.2015.06.006