North America dominates the Amifostine Hydrate market with a 35% share, driven by advanced healthcare infrastructure, high adoption of oncology therapies, and robust R&D investments. Stringent regulatory frameworks and growing cancer incidence further fuel demand. Europe follows at 30%, supported by mature healthcare ecosystems, favorable reimbursement policies, and rising awareness of radioprotective agents. The Asia Pacific region, projected as the fastest-growing market, accounts for 25% share, propelled by expanding cancer care access, urbanization, and increasing investments in pharmaceutical manufacturing. Regulatory harmonization across key markets like India and China also accelerates growth.