Antisense Oligonucleotides (ASO) Drug segmentation by application reveals five principal clusters that together shape the market’s revenue profile. Oncology commands the largest share, accounting for roughly 35 % of total sales, driven by the high unmet need for targeted cancer therapies and the regulatory approval of several ASO candidates for solid‑tumor indications. Neurology follows with an estimated 30 % contribution, reflecting intensive R&D pipelines focused on rare neurodegenerative disorders such as spinal muscular atrophy and Huntington’s disease. Cardiovascular applications represent about 15 % of the market, where ASOs are employed to modulate lipid‑handling genes and reduce atherosclerotic risk. Infectious diseases capture roughly 10 % of revenues, primarily through antisense strategies against viral genomes and antibiotic‑resistant bacteria. The residual 10 % falls under an Other category, encompassing ophthalmology, metabolic disorders, and niche therapeutic areas. Collectively, these application segments determine the allocation of R&D budgets, partnership structures, and commercial forecasts within the Antisense Oligonucleotides market. The proportional weighting of each segment also influences investor sentiment, as analysts weigh the probability of regulatory milestones against the size of the addressable patient pool.