Core Insights - Wanbangde's subsidiary has made significant progress in the internationalization of its pemphigus treatment, successfully winning the first position in the 11th national drug procurement for its bromhexine hydrochloride injection [1] - The company submitted an orphan drug designation application for WP203A (alfanotide) to the FDA, which has been confirmed, marking a key step in its international strategy for pemphigus treatment [1][2] - Pemphigus is a rare autoimmune disease characterized by severe blistering and erosion of the skin and mucous membranes, primarily affecting the elderly [1][2] Industry Overview - The global prevalence of pemphigus is estimated to be between 1 to 50 cases per million, translating to approximately 70,000 to 2.1 million patients worldwide, with the most common type being pemphigus vulgaris [2] - Current treatments mainly involve corticosteroids and immunosuppressants, which have significant side effects, while biologics like rituximab and eculizumab are effective but expensive and require intravenous administration [2] - There are about 10 to 15 new drugs in clinical stages globally for pemphigus, including Wanbangde's WP203A [2] Regulatory and Market Implications - The orphan drug designation by the FDA provides various incentives for drug development, including tax credits for clinical trial costs, waiver of new drug application fees, and seven years of market exclusivity post-approval [2][3] - The global market for pemphigus drugs is expected to reach hundreds of billions of RMB, positioning the development of WP203A as a high-quality opportunity in the rare disease sector [3] - Wanbangde aims to transition from generic drugs to innovative drugs, with WP203A potentially becoming a significant player in the pemphigus treatment market due to its differentiated mechanism and international strategy [3]