Website Enables Families and Caregivers of Children with MPS IIIB to Learn About and Register Interest in the TA-ERT Expanded Access Program (EAP) and TrAnsform Confirmatory Study

TA-ERT EAP and TrAnsform Confirmatory Study Both Expected to Initiate in the Fourth Quarter of 2026

Spruce Biosciences, Inc. (NASDAQ:SPRB), a late-stage biopharmaceutical company focused on developing and commercializing novel therapies for neurological disorders with significant unmet medical need, today announced the launch of MPS3BStudy.com, a dedicated online resource for families and caregivers of children with Sanfilippo Syndrome Type B (MPS IIIB). The website enables families and caregivers to learn about, and register their interest in, the planned Expanded Access Program (EAP) and TrAnsform confirmatory study of investigational tralesinidase alfa enzyme replacement therapy (TA-ERT), both of which are expected to initiate as early as the fourth quarter of 2026.

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