Diamedica Therapeutics Inc.’s chief medical officer, Harry Alcorn, said that “due to the complexity [of diabetic kidney disease (DKD)], there's not a clear answer” as to why such patients did less well in the company’s Redux phase II trial with DM-199 (recombinant human tissue kallikrein 1 [KLK1]). “But I wouldn't say that there wasn't a response in the DKD group,” he said, citing upside in 30% of subjects.