"This research is one of the first clinical trials to assess whether a drug can improve brain function in people with an inherited disorder.
"The potential benefits of this treatment include an improved quality of life for affected patients and wider benefits for their families and carers.
"If it works it will benefit patients directly and could provide clues as to whether this class of drugs (called mTOR inhibitors) might have wider benefits in problems like autism."
More top news
All very dull and grey over the next few days unfortunately, but at least temperatures are degrees milder!
Conservatives claim the poor PISA ranking is a 'scandal of monumental proportions.' Plaid Cymru say the Welsh government has 'failed again.'
Unions are calling on the Welsh Government not to panic and to provide support for teaching staff following the PISA rankings publication.