Shares in Galecto Inc. (NASDAQ:GLTO) plummeted by 71%, closing Aug. 15 at 67 cents, on news that its lead drug candidate, GB-0139, flamed out in a phase IIb trial in idiopathic pulmonary fibrosis (IPF). The inhaled galectin-3 inhibitor actually performed considerably worse than placebo in the 52-week placebo-controlled study, the endpoint of which was the annual rate of decline from baseline in forced vital capacity (FVC).