Parents Urge UK Funding for Sanfilippo Trials After Diagnosis

Gus and Emily Forrester, parents of two-year-old Leni from Sevenoaks, Kent, are urging the UK government to fund research and clinical trials for Sanfilippo syndrome, a rare genetic disorder often called childhood dementia, after their daughter's diagnosis five months ago revealed a progressive condition with no approved cure or treatment available in the country.

Leni, described by her parents as a joyful toddler who loves singing, playing with dolls, and making others laugh, currently shows no major signs of the disease's effects. However, the disorder stems from an enzyme deficiency that prevents the breakdown of certain sugar molecules, leading to their accumulation and irreversible brain damage. Children with Sanfilippo typically appear healthy in early years, but symptoms often emerge around age three, causing gradual loss of abilities to talk, walk, eat, and drink. Without intervention, affected individuals face severe physical and cognitive decline, requiring constant care, and have a life expectancy into their early to mid-teens.

The Forresters' diagnosis journey began last year when Emily's sister was identified as a carrier of the faulty NAGLU gene during routine...