Alzheimer’s disease therapeutics market includes symptomatic treatments (cholinesterase inhibitors, NMDA receptor antagonists) and disease-modifying therapies (anti-amyloid monoclonal antibodies). Market growth driven by aging population, diagnostic advancements, and R&D investments. Market expected to grow from USD 5.5 billion in 2023 to USD 30.8 billion by 2033 at 18.8% CAGR. Major companies include Biogen, Merck, GSK, Novartis, Johnson & Johnson, Bristol Myers Squibb, Sanofi, Pfizer, Teva Pharmaceutical, and AbbVie, each with strategic initiatives and collaborations in Alzheimer’s research.