Idera Pharmaceuticals, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of drugs for rare disease indications in the United States. It offers Tilsotolimod (IMO-2125), a synthetic phosphorothioate oligonucleotide that acts as a direct agonist of TLR9 to stimulate the immune systems and for treating solid tumors, squamous cell carcinoma of the head and neck, and colorectal cancer. The company has a collaboration agreement with Bristol-Meyers Squibb. Idera Pharmaceuticals, Inc. was incorporated in 1989 and is headquartered in Exton, Pennsylvania.