DRREDDY Dr Reddy's Laboratories Ltd Expansion Plans Announcement 2025 - Biosimilar Collaboration Dr. Reddy's Laboratories and Alvotech have partnered to co-develop a biosimilar candidate to Keytruda (pembrolizumab), which had global sales of $29.5 billion in 2024, enhancing their oncology capabilities..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Dr Reddy's Laboratories Ltd