Viatar CTC Solutions Inc., a biotechnology company, focuses on developing and marketing cancer molecular diagnostics and cancer therapy products in the United States. Its products include Viatar collection system for molecular analysis that collects and purifies circulating tumor cells (CTCs) for DNA sequencing and other genetic analysis technologies used primarily for research; and Viatar therapeutic oncopheresis system to remove CTCs from a patient's blood as a new cancer therapy for metastatic disease. The company was formerly known as Vizio Medical Devices LLC and changed its name to Viatar CTC Solutions Inc. in February 2014.

Viatar CTC Solutions Inc. was founded in 2007 and is headquartered in Lowell, Massachusetts.