Michio Hirano, M.D. of the Department of Neurology at Columbia University is now in London England to spend 2 days examining Charlie Gard with doctors at Great Ormond Street Hospital.
The Telegraph reported that Michio Hirano, a professor of neurology at the Columbia University Medical Center in NY, is scheduled to visit Great Ormond Street Hospital in London on Monday and Tuesday to examine Charlie, who is suffering from a rare genetic condition and is believed to have brain damage.
Hirano will assess the situation Monday and Tuesday.
He further noted that the small number of people with Charlie's rare genetic condition, mitochondrial DNA depletion syndrome, would make robust clinical trials hard.
The new High Court hearing was requested after the Vatican's children's hospital and the United States hospital said a new experimental protocol might work for Charlie, whose parents have been trying to secure a move to the US.
Great Ormond Street Hospital requested a new hearing after the New York-based neurologist claimed his treatment could now have a better chance of working.
Ms Yates and Charlie's father, Chris Gard, want Mr Justice Francis to rule that Charlie, who suffers from a rare genetic condition and has brain damage, should be allowed to undergo a therapy trial overseen by Dr Hirano in NY.
British tabloid The Sun has reported that Pope Francis wants to give Charlie a Vatican passport so the court ruling can be overcome.
Dr Hirano's research focuses on mitochondrial diseases and genetic myopathies and he has treated others with conditions similar to Charlie's. Charlie's mother, Connie Yates, fought to attend and was given permission - even though it would not normally be allowed.
Francis will then consider information from Hirano to inform a decision from the court, which he has said he hopes to render by July 25.
In April the judge ruled in favour of Great Ormond Street and said Charlie should be allowed to die with dignity.