T-Cyte Therapeutics, Inc. is the sole manufacturer and distributor of Lymphocyte T-Cell Immunomodulator (LTCI). 

Lymphocyte T-Cell Immunomodulator (LTCI) is the first and only USDA-Approved treatment aid for cats infected with Feline Leukemia Virus (FeLV) and/or Feline Immunodeficiency Virus (FIV). Results from clinical studies have shown LTCI to have positive benefits on the health of cats infected with FeLV and FIV.

More information can be found on the product website.