Denmark's Novo Nordisk said on Thursday it has made an unsolicited bid for U.S. drug maker Metsera, after Pfizer last week made an offer for the company.

Denmark's Novo Nordisk said on Thursday it has made an unsolicited bid for U.S. drug maker Metsera, after Pfizer last week made an offer for the company.

US biotech viewed as lucrative target partly because of its promising pipeline of weight-loss drugs