Pfiz­er in­vests in Ri­bon Ther­a­peu­tics; Ar­genx gets PDU­FA date ex­ten­sion

Mass­a­chu­setts-based biotech Ri­bon Ther­a­peu­tics has roped in a big name for some fi­nan­cial back­ing.

Ri­bon an­nounced on Mon­day that Pfiz­er has in­vest­ed $25 mil­lion in­to …

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