Summit Therapeutics planned an early interim progression-free survival readout for HARMONi-3 in the hope of enabling earlier regulatory engagement—but the early analysis delivered disappointment for the company and shareholders.

Veppanu, the first PROTAC therapy approved by the FDA, improved progression free survival by 43% versus AstraZeneca’s Faslodex but showed no such significant benefit in the intention-to-treat analysis.

Gene therapy startup Latus Bio has raised another $42 million to start its first clinical trials, where it will try to sidestep issues that have set back a more advanced competitor. 

Latus is moving two treatments through clinical trials this year. The first is for a form of Batten disease called CLN2 disease, a fatal genetic condition that causes seizures, vision loss, and cognitive problems. The company anticipates having initial clinical data by the end of the year. 

Now, Latus — founded by Beverly Davidson, chief scientific strategy officer at the Children’s Hospital of Philadelphia — is turning its attention to a second drug candidate, a gene therapy for Huntington’s disease.

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