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ImmunityBio Reports Phase 3 Data Showing 84% Cystectomy Avoidance at Three Years and Complete Responses Beyond 53 Months with ANKTIVA® Plus BCG in BCG-Unresponsive NMIBC With CIS, With or Without Papillary Tumors

$IBRXPress releaseOct 16, 2026, 11:49 AM ETRead the release

ImmunityBio published long-term data from the Phase 2/3 QUILT-3.032 study (N=100) in the Journal of Urology for ANKTIVA plus BCG in BCG-unresponsive NMIBC with CIS. The data showed a 71% complete response rate, a median CR duration of 26.6 months with responses beyond 53 months, and 84% cystectomy-free survival at 36 months, with 98.2% disease-specific survival at three years. Safety remained favorable, with only Grade 1-2 events for most patients, 4% Grade 3 treatment-related adverse events, and no Grade 4 or 5 events reported.

Key figures

Drug Name
ANKTIVA (nogapendekin alfa inbakicept-pmln)
Phase Of Trial
Phase 2/3
Study
QUILT-3.032
Patients
100
Grade4 5 trae
none reported
Grade3 trae rate
4%
Complete response rate
71%
Cr rate bcg refractory
66%
Cr duration beyond months
53
Median duration of cr months
26.6
Cystectomy free survival 36mo
84%
Disease specific survival 3yr
98.2%
Progression free survival 3yr
80.9%

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