Private company

RXi Pharmaceuticals

Biotechnology company in U.S.

Phio Pharmaceuticals Corporation is a US clinical stage biotechnology company developing its INTASYL siRNA in immuno-oncology. Formerly known as RXi Pharmaceuticals, the company's name was changed to Phio Pharmaceuticals in 2018.2 It is headquartered in Marlborough.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2011Founded1

Phio Pharmaceuticals Corporation is a US clinical stage biotechnology company developing its INTASYL siRNA in immuno-oncology. Formerly known as RXi Pharmaceuticals, the company's name was changed to Phio Pharmaceuticals in 2018.2

Timeline

  1. 2011Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2