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Biogen to Present New Data Across Nephrology Portfolio, Including Long-term EMPAVELI® (pegcetacoplan) Phase 3 Results, at American Society of Nephrology (ASN) Kidney Week

$BIIBPress releaseOct 19, 2026, 7:30 AM ETRead the release

Biogen will present new long-term EMPAVELI (pegcetacoplan) Phase 3 data at ASN Kidney Week (Oct 22-25, 2026), including 76-week results showing sustained proteinuria reduction and continued eGFR stabilization in C3G and primary IC-MPGN with a consistent safety profile. The data reinforce EMPAVELI's recently expanded U.S. FDA label as the first and only therapy approved to reduce both proteinuria and loss of kidney function in these diseases.

Key figures

Drug Name
EMPAVELI (pegcetacoplan)
Phase Of Trial
Phase 3
Weeks of data
76
Transcend data expected
H1 2027
Felzartamab phase3 trials
["TRANSCEND (AMR)","PREVAIL (IgA nephropathy)","PROMINENT (primary membranous nephropathy)"]
Kidney diseases in research
7

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