SELLAS Life Sciences Group has signed a definitive agreement to merge with Galena Biopharma.

SELLAS will become a wholly owned subsidiary of Galena, following the completion of the merger.

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SELLAS is a clinical-stage biopharmaceutical company based in Bermuda, while Galena Biopharma is a late-stage biopharmaceutical company based in the US.

"Clinical-stage pharmaceutical company Cempra plans to merge with commercial-stage biopharmaceutical company, Melinta Therapeutics."

Clinical-stage pharmaceutical company Cempra plans to merge with commercial-stage biopharmaceutical company, Melinta Therapeutics.

The merged entity will be known as Melinta Therapeutics.

Both companies involved in the merger are based in the US.

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