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
8 clinical trials for this condition and its sub-types.
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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: PHASE3 • Sponsor: Spruce Biosciences • Aim: Disease control
Last updated Aug 01, 2026 00:00 UTC
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New hope for kids with sanfilippo syndrome b?
Disease control Not yet recruitingThis early-stage trial tests a new drug called JR-446 in 12 children under 6 with MPS IIIB, a rare genetic disorder that damages the brain and body. The main goal is to see if the drug is safe and tolerable. Researchers will also measure changes in certain substances in the body …
Phase: PHASE1, PHASE2 • Sponsor: JCR Pharmaceuticals Co., Ltd. • Aim: Disease control
Last updated Jul 09, 2026 00:00 UTC
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MPS patients help design exercise program to boost mental health
Knowledge-focused Not yet recruitingThis study aims to create a physical activity and sedentary behaviour program tailored for adults with mucopolysaccharidosis (MPS). Researchers will gather input from patients, doctors, nurses, and family members through interviews, focus groups, and workshops. The goal is to des…
Sponsor: Brunel University • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:11 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