【招银研究|行业深度】生物医药之创新药——自身免疫病：国产创新药初露锋芒

Overview of Autoimmune Diseases - Autoimmune diseases are characterized by the immune system's response to its own antigens, leading to tissue damage, with over 100 known types categorized into systemic and organ-specific diseases [2][7] - These diseases are often incurable and can be life-threatening, requiring long-term medication and incurring high treatment costs [10] Drug Development History - The traditional immunosuppressants have significant side effects, and the introduction of TNF-a inhibitors in 1998 marked the beginning of a targeted therapy era, leading to an explosion of innovative drugs [3][12] - The global autoimmune drug market reached $132.3 billion in 2022, with a projected compound annual growth rate (CAGR) of 27.2% from 2022 to 2030, potentially reaching nearly $20 billion in China by 2030 [3][18] Market Potential and Drug Trends - Approximately 7.6% to 9.4% of the global population suffers from autoimmune diseases, with some conditions affecting over 100 million people [3][16] - The global market for autoimmune drugs is dominated by biologics, which accounted for $96.4 billion (72.9%) of the total market in 2022, expected to grow to $176.7 billion by 2030 [18] Emerging Opportunities in Domestic Market - The domestic market for autoimmune drugs is still in its early stages, with a market size growing from $2 billion in 2018 to $2.9 billion in 2022, and expected to reach nearly $20 billion by 2030 [18] - The introduction of innovative domestic drugs is anticipated to accelerate post-2024, with several products expected to launch [31] Heavyweight Products in Autoimmune Drug Market - Autoimmune drugs are prevalent among the top 100 best-selling drugs globally, second only to oncology drugs, indicating a strong market presence [23][25] - Notable products include AbbVie's adalimumab, which has generated over $200 billion in sales from 2012 to 2022, and other drugs like risankizumab and dupilumab showing significant sales growth [25][27] Targeted Therapies and Innovations - The main domestic targets for autoimmune drugs include TNF-a, JAK inhibitors, and interleukins, with a focus on innovative therapies such as TYK2 inhibitors and bispecific antibodies [4][29] - The development of TYK2 inhibitors is gaining momentum due to their improved safety profile compared to earlier JAK inhibitors, with several products in advanced clinical stages [48][52] Conclusion - The autoimmune disease market presents substantial growth opportunities driven by increasing patient populations, innovative drug development, and a shift towards targeted therapies, particularly in the domestic market [3][18][31]