第四批鼓励仿制药品目录发布，涉及抗肿瘤、神经系统等领域用药

Group 1 - The core viewpoint of the article is the announcement of the fourth batch of encouraged generic drug catalog by the National Health Commission and other departments, which includes 21 varieties and 47 specifications of drugs aimed at addressing clinical supply shortages and patent expirations [1] - The fourth batch of the catalog focuses on patient treatment needs and prioritizes products with new targets and mechanisms, particularly in areas where domestic companies have weak R&D capabilities [1] - Included in the catalog are drugs for various fields such as anti-tumor, nervous system, assisted reproduction, and radioactive diagnosis, with specific mention of a drug for alleviating moderate to severe itching in chronic kidney disease patients undergoing dialysis [1]