Endogena Therapeutics The US FDA designated Fast Track development program for the investigation of Endogena Therapeutics' product EA-2353 for the treatment of Retinitis Pigmentosa (RP). The Fast Track is a process designed to enable patients to benefit earlier from important new drugs that treat serious conditions. This designation enables Endogena Therapeutics to have more frequent communications with the US FDA on the development of EA-2353 …