ImmunityBio Announces FDA Acceptance of Supplemental BLA for ANKTIVA Plus BCG in BCG-Unresponsive Non-Muscle Invasive Bladder Cancer with Papillary Disease; PDUFA Date Set for January 6, 2027

ImmunityBio, Inc. (NASDAQ: IBRX), a commercial-stage immunotherapy company, today announced that the U.S. Food and Drug Administration has accepted for review the supplemental Biologics License Application (sBLA) for ANKTIVA (nogapendekin alfa inbakicept-pmln) in combination with Bacillus Calmette-Guerin (BCG) for the treatment of patients with BCG-unresponsive non-muscle invasive bladder cancer (NMIBC) with papillary disease without carcinoma in situ (CIS). The FDA assigned a PDUFA target action date of January 6, 2027.

In the filing communication, the FDA stated, “In support of this expansion, you have submitted the results of QUILT-3.032 Cohort B and a literature-based rationale proposing that papillary NMIBC has an overlapping clinical and non-clinical profile with CIS that may allow for extrapolation of results from patients with CIS, as was demonstrated in QUILT-3.032 Cohort A, the basis of the existing indication, to those with papillary-only disease.” The Agency further provided insight as to the focus of the review of this sBLA by stating, “The scientific data detailing these overlapping features will be the focus of the review of this sBLA to determine if there is adequate justification to allow for such an extrapolation and expansion of the indication of Anktiva with BCG to include the treatment of patients with BCG-unresponsive NMIBC with papillary tumors,” while reiterating their concerns relating to single-arm trials in papillary disease alone (Cohort B) in which the initial indication for CIS and papillary disease (Cohort A) has already been approved in a single-arm trial. If approved, the sBLA would expand the current indication for ANKTIVA plus BCG and further broaden treatment options for patients with BCG-unresponsive NMIBC.

Recently the FDA convened a public workshop on May 18, 2026 titled, “Contemporary Issues in Non-Muscle Invasive Bladder Cancer (NMIBC) Trial Design and Interpretation,” which addresses the issues to be reviewed in this sBLA and included discussion among clinicians, scientific experts and thought leaders regarding the biological similarities of CIS and papillary and the treatment decisions for patients with papillary disease alone. The meeting was available to the public in real-time. At the workshop, panelists stated that CIS and papillary disease arise from the same cancer inducing clone, is therefore the same disease and the clinical decision treatment made when papillary disease alone is identified in the real-world is to treat the patient with already FDA approved therapies for CIS and papillary disease. These statements made by the expert panel at the FDA workshop on May 18, 2026, are consistent with the decision of the NCCN panel of experts to designate on March 2026, the treatment of BCG unresponsive non-muscle invasive bladder cancer papillary disease as a Category 2A guideline for practicing urologists treating such patients with papillary disease alone.

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