Neurofibromatosis 1 Clinical Trial
Official title:
Use of Non-invasive Brain Stimulation for Working Memory Deficits in Neurofibromatosis Type 1
Intellectual impairments are a significant cause of morbidity in children with birth defects along with long term implication on academic and occupational functioning. Long lasting functional changes in the brain occur when children learn new things or memorise new information. Enhancing this and learning is a key objective inneurodevelopment and neuro-rehabilitation. This is pilot study aimed at testing a experimental neuroscience technique, Transcranial Direct Current Stimulation (tCDS) on the cognitive functioning of the brain in children with Neurofibromatosis type 1 (NF1). tDCS is an established research tool and has the potential for ameliorating the cognitive impairments associated with NF1. There is a growing interest in the use of tDCS in children but to our knowledge there have been no reported studies using tDCS intervention in NF1. 16 children aged 11-16 years will be recruited through the Manchester Centre of Genomic Medicine NF1 database. Participants will be randomised to receive active or sham tDCS. The treatment will be delivered for 20 minutes for 3 days. In the experimental group a 1mA current will be applied for 20 mins ; in sham tDCS the electrodes will be placed in an identical spot but the current is ramped down to 30 seconds to prevent stimulation. The aim of the study is to look into the acceptability and feasibility of using tDCS intervention within the NF1 group, obtain pilot data on the effect of tDCS on EEG (Electroencephalogram), cognitive and behavioural measures.
16 children between the age of 11-16 years will be recruited through Manchester Centre of
Genomic Medicine NF1 Database. The participants will be randomly assigned to 2 groups- active
and sham treatment based on a computer generated random allocation list. The assessors will
remain blind to treatment allocation.
On day 1, parents will be requested to complete well validated and standardised
questionnaires. Baseline recording of the brain activity EEG(Electroencephalogram) will be
measured and the baseline cognitive assessments will be completed on the participants. tCDS
will be administered for 20 minutes alongside a simultaneous training task for working
memory. Days 2, the tDCS (active or sham) will be delivered simultaneous with the training
task for 20 minutes. On day 3, the tDCS intervention will be delivered followed by repeating
the outcome measures similar to day 1.
A questionnaire investigating side-effects be will be completed by participant after each
stimulation.Participants will be invited back to the lab 30 days (+/- 7 days) after the end
of intervention to assess the longevity of any treatment effects.
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