CELEBRATION, Fla., July 16, 2025 (GLOBE NEWSWIRE) -- Zevra Therapeutics, Inc. (NasdaqGS: ZVRA) (Zevra, or the Company), a commercial-stage company focused on providing therapies for people living with rare disease, announced the publication of “Long-term Efficacy and Safety of Arimoclomol in Niemann-Pick Disease Type C: Final Results of the Phase 2/3 NPC-002 48-month Open-label Extension Trial” in the peer-reviewed journal, Molecular Genetics and Metabolism (https://doi.org/10.1016/j.ymgme.2025.109189). MIP ...

Core Insights - Zevra Therapeutics, Inc. announced presentations on MIPLYFFA (arimoclomol) at the NNPDF Conference, highlighting its role as the first FDA-approved treatment for Niemann-Pick disease type C (NPC) [1][2] - MIPLYFFA is indicated for use in combination with miglustat for treating neurological manifestations of NPC in patients aged 2 years and older [7][6] Presentation and Research Findings - Dr. Barbara K. Burton presented an overview of MIPLYFFA, emphasizing its unique mechanism that improves lysosomal function and halts disease progression at 12 months in a pivotal study [2][3] - The pivotal trial demonstrated that arimoclomol combined with miglustat halted disease progression compared to placebo, confirmed by a 48-month open-label extension study [4][6] - Two posters were presented: one detailing long-term effectiveness and safety of arimoclomol, and another providing mechanistic evidence of arimoclomol's action through the CLEAR network [4][5] Drug Mechanism and Clinical Significance - MIPLYFFA enhances the activation of transcription factors TFEB and TFE3, leading to the upregulation of CLEAR genes and improved lysosomal function [6][17] - The drug has shown to reduce unesterified cholesterol in NPC fibroblasts, although the clinical significance of this finding remains to be fully understood [6] Company Overview - Zevra Therapeutics focuses on developing therapies for rare diseases with limited treatment options, aiming to create transformational therapies through data-driven strategies [18]

Core Insights - Zevra Therapeutics, Inc. has published significant findings regarding the mechanism of action of its therapy MIPLYFFA (arimoclomol) for Niemann-Pick disease type C (NPC), highlighting its potential to address the underlying pathology of the disease [1][2][3] Group 1: Mechanism of Action - The publication details how arimoclomol enhances the translocation of translation factors EB and E3 (TFEB & TFE3) from the cytosol to the nucleus, initiating a cascade that upregulates coordinated lysosomal expression and regulation (CLEAR) genes, including NPC1 [2] - Increased expression of CLEAR genes leads to higher NPC1 protein levels in lysosomes, improving cholesterol trafficking and correlating with better neurological behaviors in animal models [2] Group 2: Clinical Significance - MIPLYFFA, approved by the U.S. FDA on September 20, 2024, is indicated for use in combination with miglustat for treating neurological manifestations of NPC in patients aged 2 years and older [3][4] - In a pivotal phase 3 trial, MIPLYFFA demonstrated the ability to halt disease progression compared to placebo, as measured by the NPC Clinical Severity Scale [3] Group 3: Safety Information - Common adverse reactions reported in clinical trials include upper respiratory tract infection, diarrhea, and decreased weight, with hypersensitivity reactions such as urticaria and angioedema noted in some patients [5][8][9] - MIPLYFFA may cause increased serum creatinine levels without affecting glomerular function, primarily occurring within the first month of treatment [7] Group 4: Company Overview - Zevra Therapeutics focuses on developing therapies for rare diseases, aiming to create transformational treatments for conditions with limited or no options [13] - The company employs data-driven strategies to navigate complex drug development challenges, striving to make new therapies accessible to the rare disease community [13]