Divesiran Phase 2 trial meets primary endpoint in Polycythemia Vera (Silence Therapeutics)

Nasdaq: SLN+30.88% 24h move
Price before$11.95Aug 7, 2026, 4:00 PM ET
First trade after$17.43Aug 10, 2026, 7:58 AM ET
24h later$15.64Aug 11, 2026, 7:52 AM ET

Complete Announced during: Premarket · announced Mon 7:57a ET (premarket); before = Fri close; first trade Mon 7:58a ET; time = SEC 8-K acceptance

Silence Therapeutics (Nasdaq: SLN) reported topline results from a Phase 2 trial of divesiran on August 10, 2026. The company said the trial met its primary endpoint.

Trial details

Drug
Divesiran
Phase
Phase 2
Result
Met endpointThe 36-week, randomized, double-blind, placebo-controlled portion of the Phase 2 trial evaluating divesiran (6 mg/kg) administered subcutaneously (s.c.) every six weeks (Q6W) or every twelve weeks (Q12W) met its primary endpoint and secondary endpoints.
Safety
The primary endpoint was the proportion of patients achieving a response, which was defined as the absence of phlebotomy and maintenance of hematocrit (HCT) below 45% during weeks 18-36. • Importantly, both divesiran dose groups showed substantial primary endpoint efficacy with response rates of…
Sponsor
Silence Therapeutics Nasdaq: SLN
Dates
Announced Aug 10, 2026, 7:57 AM ET (SEC 8-K filing time)

About this trial

This Phase 2 trial tested Divesiran in Polycythemia Vera. Silence Therapeutics reported that the trial met its primary endpoint.

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