ChiCTR‐TRC‐11001490.

Trial name or title	Using transcranial direct current stimulation to treat ataxia and balance impairment after stroke
Methods	Randomised controlled pilot trial in parallel‐group design Random sequence generation: computer software Blinding: participants, study staff and outcome assessors are blinded
Participants	40 people with first‐time ever stroke and upper limb hemiplegia in the first 3 months after stroke and lesions involving the cerebellum without obvious cerebral edema Exclusion criteria: unstable vital signs; depression after stroke; severe aphasia; obvious cognition dysfunction (MMSE < 24); serious vision or vision correction anomalies; or history of vertigo attack; hearing impairment or otitis media
Interventions	Experimental 1: balance and intervention training + active tDCS Sham comparator: balance and intervention training + sham tDCS
Outcomes	Biodex Balance System, International Cooperative Ataxia Rating Scale, BBS, BI
Starting date	1 August 2011
Contact information	Dongyu Wu, wudongyu73@yahoo.com.cn
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