Roche Holding AG has agreed to acquire Pathai Inc. for up to $1.05 billion in a bid to strengthen its position in digital pathology and enhance its biopharma services. The move builds on a partnership established between the two companies in 2021, and expanded in 2024, to include the development of AI-enabled companion diagnostic algorithms.

Caredx Inc. has agreed to acquire Naveris Inc., a precision oncology diagnostics company, for up to $260 million, as part of its strategy to accelerate growth. The acquisition comes as Caredx, an organ transplant diagnostic firm, reshapes its portfolio, expanding its oncology profile while recently divesting its lab products business.

Minimal residual disease (MRD) has become a central concept in modern oncology, reshaping how clinicians evaluate response, relapse risk and treatment precision. As increasingly sensitive technologies reveal traces of cancer that persist after therapy, MRD is emerging as both a biological challenge and a clinical opportunity, especially as new data illuminate its complexity across hematologic and solid tumors. This topic was addressed at the 2026 American Association for Cancer Research (AACR) annual meeting.