Faced with a dilem­ma, the FDA re­jects Cem­pra's an­tibi­ot­ic, de­mands big safe­ty study

Cem­pra de­liv­ered the FDA’s de­ci­sion on its an­tibi­ot­ic solithromycin on Thurs­day morn­ing, a day late and about $185 mil­lion short.

Caught on the horns of a dilem­ma posed by clear ev­i­dence of liv­er tox­i­c­i­ty and a grow­ing de­mand for new an­tibi­otics, the FDA has de­cid­ed to re­ject Cem­pra’s new an­tibi­ot­ic, de­mand­ing a large new safe­ty study be­fore re­con­sid­er­ing its po­si­tion. And the agency flagged a warn­ing that any fu­ture la­bel will care­ful­ly re­strict its use, which will dam­age its mar­ket po­ten­tial.

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