News

The U.S. Food and Drug Administration (FDA) has granted orphan drug status to JR-446, JCR Pharmaceuticals’ brain-penetrating experimental enzyme replacement therapy (ERT) for Sanfilippo syndrome type B, the company has announced. The designation is meant to accelerate the clinical development and review of investigational therapies with the potential…

Spruce Biosciences said it plans to launch a Phase 3 clinical study of tralesinidase alfa as an enzyme replacement therapy for children with Sanfilippo syndrome type B, a move toward seeking accelerated approval of the treatment. The company said it plans to file a biologics license application (BLA) in…

A hematopoietic stem and progenitor cell (HSPC) transplant eased several disease symptoms, including motor problems and enlarged organs, in a new mouse model of Sanfilippo syndrome type C, according to a study. HSPC transplant provides blood cell precursors from a healthy donor, which are then able to develop into…

The U.S. Food and Drug Administration (FDA) has accepted Ultragenyx Pharmaceutical‘s application seeking approval of UX111, a gene therapy for Sanfilippo syndrome type A, and granted it priority review, which will speed the agency’s decision. By being granted priority review, the biologics license application (BLA) will be…

Ultragenyx Pharmaceutical’s experimental gene therapy UX111 slows or halts the brain damage that affects communication and cognitive and motor skills in children with Sanfilippo syndrome type A, according to new trial data. While younger children receiving the one-time therapy saw gains in these functional domains compared with untreated age-matched…

Ultragenyx Pharmaceutical has submitted a biologics license application (BLA) to the U.S. Food and Drug Administration (FDA) seeking accelerated approval of its gene therapy UX111 for Sanfilippo syndrome type A. If approved, UX111 would become the first therapy to be cleared in the U.S. for Sanfilippo, a…

The release of extracellular vesicles (EVs) from microglia may play a key role in driving neurodegeneration in Sanfilippo syndrome. EVs are tiny particles that carry a variety of cargo, such as proteins and DNA, between cells to facilitate cell-to-cell communication. Microglia are a class of immune cells in the…

A Phase 1 clinical trial in Japan that’s testing JCR Pharmaceuticals‘ experimental enzyme replacement therapy JR-441 for treating Sanfilippo syndrome type A has dosed its first patient. The study will test the therapy as a once-weekly infusion into the bloodstream in children and adolescents, ages 1-18 to…

A number of proteins that accumulate to toxic levels in other neurodegenerative diseases also build up in cells derived from patients with all types of Sanfilippo syndrome, but treating the cells with a molecule to reduce heparan sulfate, which accumulates in Sanfilippo, also caused the other protein levels to…

JCR Pharmaceuticals said it received permission from the Pharmaceuticals and Medical Devices Agency (PMDA), a regulatory agency in Japan, to start a Phase 1 clinical trial of JR-441, an experimental enzyme replacement therapy for Sanfilippo syndrome type A. The company didn’t provide details. “We are pleased that the…