Last month's FDA workshop for chronic fatigue syndrome (CFS) and myalgic encephalomyelitis (ME) – the first of its kind, one of 20 mandated by the Prescription Drug User Fee Act – hardly transformed the treatment landscape in the aftermath of the agency's refusal to approve the Toll-like receptor 3 modulator Ampligen (rintatolimod), the CFS therapy from Hemispherx Bioscience Inc.