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Ultomiris (ravulizumab) FDA approval for IgA nephropathy: Oct 21, 2026

Page updated ·next FDA decision on the calendar ·Data as of Nov 5, 2026 5:03 AM ET
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Ultomiris (ravulizumab) - IgA nephropathy was approved by the FDA on October 21, 2026 for IgA nephropathy (reduce proteinuria).

Verified against: FDA action day October 21, 2026 (BLA 761108 S-046) · Announcement October 21, 2026 (AstraZeneca 6-K) · Goal date none sourced.

Ultomiris was approved in the U.S. to reduce proteinuria in adults with primary IgA nephropathy at risk of disease progression, under accelerated approval based on proteinuria reduction in the ongoing Phase III I CAN trial.

Run-up into the decision (T-120 → T+5)

PDUFA 10/21/26$195.15$155.624/30/26
Daily close, T-120 (4/30/26) through T+5. Run-up high $195.15 on 7/2/26, low $155.62 on 8/4/26 (T-120 to T-1). FDA decision 10/21/26. Historical price action, not a forecast.

Key facts

FDA decision date2026-10-21
OutcomeApproved
Drug / candidateUltomiris (ravulizumab)
IndicationAdults with primary IgA nephropathy at risk of disease progression (accelerated approval)
CompanyAstraZeneca (Alexion)
Market-cap tierLarge
120-day run-up (T-120→T-1)-9.9%
Cohort decision-day move (history)1.0% median (n=895)

Drugs@FDA records BLA 761108 supplement 46 (efficacy) for Ultomiris as approved on October 21, 2026 (Drugs@FDA). AstraZeneca announced it in a 6-K on October 22, 2026 (AstraZeneca 6-K): the indication is approved under accelerated approval based on reduction of proteinuria, and it has not been established whether Ultomiris slows kidney function decline. Continued approval may be contingent on the ongoing I CAN Phase III trial, whose primary endpoint is change in eGFR at week 106; the pre-specified interim analysis showed a 43.4% reduction in proteinuria versus placebo at 34 weeks. AstraZeneca stated no goal date for this application, so no early or late margin is published; this calendar had carried it as a December 2026 row with no source.

Run-up figures are the stock's own daily closing path over the 120 trading days before the decision, from our price history. Cohort move is the historical median absolute decision-day move for this market-cap tier. History, not a prediction.

Primary source: Drugs@FDA, BLA 761108 S-046

FDA record of the action: the FDA approved on October 21, 2026, per BLA 761108 S-046 (Drugs@FDA). The sponsor announced it the same day. Action dates on pdufa.bio come from the FDA's own record, not the press release. Every FDA action we hold, by FDA date: FDA approval letters.

Specialist biotech funds holding AZN, 13F for the quarter ended June 30, 2026

FundSharesValue at quarter endFiling
OrbiMed Advisors915,700$171.1 millionfiled August 14, 2026

13F reports list long positions in common stock at quarter end, are due 45 days later, and show no short positions or later trades. Notes, warrants and other instruments are not counted as shares.

Questions

Was Ultomiris (ravulizumab) approved by the FDA?

Yes. The FDA approved the application for Ultomiris (ravulizumab) on October 21, 2026, per the FDA's own record. The primary source is linked on this page.

Which company is behind Ultomiris (ravulizumab)?

Ultomiris (ravulizumab) is an AstraZeneca (Alexion) (AZN) program. The FDA decision came on October 21, 2026; the FDA's own record of the decision is linked on this page.

How did AZN stock trade into the FDA decision?

Measured over the 120 trading days before the decision (T-120 to T-1), AZN moved -9.9%. That is the recorded price path into this specific event. Historical measurement, not a prediction, and not investment advice.