Mucopolysaccharidosis type 3B
MONDO:0009656A rare autosomal recessive lysosomal storage disease caused by deficiency of the enzyme N-acetyl-alpha-D-glucosaminidase. It is characterized by behavioral changes, sleep disturbances, and mental developmental delays.
Also known as: MPS III B, MPS3B, MPSIIIB, N-acetyl-alpha-glucosaminidase deficiency, Sanfilippo B, Sanfilippo syndrome B, Sanfilippo syndrome type B, mucopolysaccharidosis type 3B
9 clinical trials for this condition and its sub-types, 6 tagged with Mucopolysaccharidosis type 3B itself.
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One-Time gene therapy aims to halt sanfilippo syndrome
Cure Not yet recruitingResearchers test a one-time gene therapy infusion in children and adults with Sanfilippo syndrome (MPS IIIB), a rare inherited disease that damages the brain and body. The therapy delivers a working copy of the NAGLU gene to help the body make an enzyme that is missing or faulty.…
Phase 1/2 • Sponsor: NeuroGT • Aim: Cure
Last updated Sep 16, 2026 00:00 UTC
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Hope for sanfilippo kids: Brain-Infused drug enters final testing
Disease control Not yet recruitingThis phase 3 trial tests a drug called tralesinidase alfa in 14 children aged 1-5 with Sanfilippo syndrome type B, a rare genetic disease that causes severe brain damage. The drug is given directly into the brain fluid to replace a missing enzyme. The goal is to see if it can slo…
Phase 3 • Sponsor: Spruce Biosciences • Aim: Disease control
Last updated Sep 21, 2026 16:00 UTC
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New study aims to unmask hidden causes of childhood joint stiffness
Knowledge-focused Not yet recruitingThis study will look at 35 children with joint problems that are not caused by inflammation, such as stiffness or deformity. Researchers will use exams, lab tests, and imaging to find the true cause, which could be rare genetic conditions like mucopolysaccharidoses or osteogenesi…
Sponsor: Assiut University • Aim: Knowledge-focused
Last updated Jun 26, 2026 17:17 UTC