Phio Pharmaceuticals Corp.

Phio Pharmaceuticals Corp., a biotechnology company, focuses on discovering and developing immuno-oncology therapeutics to treat cancer. The company's lead product candidate is RXI-109, an sd-rxRNA that reduces the expression of connective tissue growth factor, a critical regulator of several biological pathways involved in fibrosis, including scar formation in the skin and eye. The company also develops Samcyprone, a topical formulation of the small molecule diphenylcyclopropenone that is in a Phase IIa clinical trial for the clearance of common warts; RXI-231, an sd-rxRNA compound targeting tyrosinase, as a cosmetic ingredient that may enhance the appearance of uneven skin tone and pigmentation; and RXI-185, an sd-rxRNA compound targeting collagenase, as a cosmetic ingredient that may improve the appearance of wrinkles or skin laxity. In addition, it develops RXI-109, a Phase I/II clinical trial that reduces the progression of retinal scarring. The company has collaborations with the Center for Cancer Immune Therapy; Gustave Roussy; Medigene AG; PCI Biotech; and Karolinska Institutet. The company was formerly known as RXi Pharmaceuticals Corporation and changed its name to Phio Pharmaceuticals Corp. in November 2018. The company was incorporated in 2011 and is headquartered in Marlborough, Massachusetts.