Jade Biosciences, Inc. shares news about its drug JADE301 for treating dermatomyositis.

Sep 30, 2026, 7:19 AM ETTrialRead the original at SEC EDGAR

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Jade reported strong lab results, longer-lasting drug levels in monkeys, and no observed safety problems in animal tests. This supports JADE301's promise, but people have not yet tested the drug.

JBIO · Jade Biosciences, Inc.

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These results give Jade a stronger case for testing JADE301. The drug blocked a disease-linked signal in human cells and lasted longer in monkeys than a comparison drug. Animal tests found no treatment-related safety problems. But people have not yet tested the drug, so its safety and benefit for patients remain unknown.

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