"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 the main denominations contacted by ITV Cymru Wales had experienced a decline of at least 50% in their membership since 1990.
Public Services Ombudsman for Wales revealed a Hywel Dda Health Board patient suffered a cardiac arrest and died after staff failures.
Not the nicest of days ahead I'm afraid. Misty and murky to start with rain on the way!