UnitedHealth Group on Tuesday said Chairman Stephen Hemsley will return to the helm of the health care conglomerate, succeeding CEO Andrew Witty.  Witty is stepping down for "personal reasons," effective immediately, UnitedHealth said. Hemsley served as chief executive from 2006 to 2017.The company didn't disclose other details about Witty's sudden departure, though Hemsley commended his "stewardship of UnitedHealth Group, especially during some of the most challenging times any company has ever faced." UNI ...

特朗普药品定价政策分析 - 特朗普宣布将推行"最惠国政策"，要求美国药品价格与全球最低价国家看齐，可能通过提高海外售价或降低本土售价实现[1] - 政策目标在于平衡药企利润与民众药费负担，但具体执行路径尚不明确[1] 美国药品定价体系现状 - 美国药价显著高于其他国家，主因市场化制度设计及商保体系发达[2] - 商业保险公司通过药品福利管理(PBM)获取药企回扣，名义药价越高则回扣空间越大[2] 政策潜在影响评估 - 若成功推动深度医改，可能重塑美国及全球医药行业格局[3] - 缺乏专职价格管理机构情况下，政策落地面临制药界和保险界的强烈抵制[4][6] 行业反应预判 - 强制压降利润空间可能导致美国biotech创新活跃度下降，影响高风险研发投入[7] - 药企可能调整经营策略，包括更谨慎的CRO外包和license-in引进决策[7] 政策实施可能性 - 当前缺乏系统性医改证据，更可能表现为短期扰动而非结构性变革[4] - 需配套建立类似国家医保局的监管机构才能确保政策执行效力[6]