Salix Trumps Napo, Submits Crofelemer NDA for Review

One month after partner Napo Pharmaceuticals Inc. claimed to terminate their three-year-old collaboration to develop crofelemer for HIV-associated diarrhea, Salix Pharmaceuticals Ltd. plowed ahead by submitting a new drug application (NDA) for the drug to the FDA. The filing set in motion the 60-day clock for the FDA to conduct its review and determine whether to accept the NDA.