United States — Food and Drug Administration & Merck Group

United States — Food and Drug Administration: The FDA granted Breakthrough Therapy designation to enpatoran, facilitating faster development and review for a lupus treatment targeting cutaneous manifestations.

Merck Group: Merck Group received FDA Breakthrough Therapy designation for its investigational drug enpatoran, a key regulatory milestone that could expedite development and approval, potentially boosting its immunology pipeline and market position.

United States — Food and Drug Administration: The FDA will review the trial data for potential approval. The companies plan to file for approval, and the vaccine could be available as soon as 2027 if approved.

Merck Group: Merck co-developed the vaccine and provided Pembrolizumab, the combination partner. Its shares rose about 10-12%, and the success helps Merck prepare for Pembrolizumab's patent expiration by expanding its cancer portfolio.

United States — Food and Drug Administration: Responsible for approving any new separate vaccines, a process that could take years. It faces pressure to review unbundled shots without precedent.

Merck Group: As a major MMR manufacturer, it faces potential regulatory and market changes. It stated no scientific evidence supports splitting the vaccine, and it may face pressure to develop separate shots.

United States — Food and Drug Administration: The FDA would need to approve any new separate vaccines, a process that could take years. The executive order may increase its workload and regulatory scrutiny.

Merck Group: Merck, the sole U.S. manufacturer of the MMR vaccine, stated it cannot produce separate shots for at least 10 years. The executive order could create regulatory and market uncertainty, though current sales are unaffected.

United States — Food and Drug Administration: The FDA has cleared several of Ascentage Pharma's Phase III trials, but this event does not directly involve the FDA.

Merck Group: Merck is a partner of Ascentage Pharma, but this event does not directly involve Merck.