Kalvista Pharmaceuticals Inc.’s chief development officer, Christopher Yea, said the across-the-board positive phase II top-line data with KVD-900 for on-demand use against hereditary angioedema (HAE) attacks will open “a very flexible discussion with regulators” regarding the design and endpoints of the phase III study to come with the oral kallikrein inhibitor. Shares of the Cambridge, Mass.-based firm (NASDAQ:KALV) closed at $33.50, up $17.89, or 115%, after reaching a high of $45, as Wall Street digested the findings.
Concert Pharmaceuticals Inc. is scratching further work on CTP-692 after the deuterated form of D-serine missed the primary endpoint in a phase II study in schizophrenia. The news sent shares of Concert (NASDAQ:CNCE) falling 28% Feb. 1 and shifts focus to the firm’s sole remaining clinical-stage program in the competitive alopecia areata space.
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