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CG Oncology Reports Positive First Results from CORE‑008 Cohort CX Phase 2 Trial Evaluating Intravesical Combination Therapy in High-Risk BCG-Exposed and BCG-Unresponsive Patients

$CGONPress releaseMay 15, 2026, 8:00 AM ETRead the release

CG Oncology reported positive Phase 2 results from the CORE-008 Cohort CX trial, evaluating intravesical cretostimogene combined with gemcitabine in high-risk non-muscle invasive bladder cancer patients. The study showed high complete response rates of 85.7% in the intent-to-treat population and 92.3% in the efficacy-evaluable population, with high-grade event-free survival of 96.0% at 3 months and 89.5% at 6 months.

Key figures

Drug Name
cretostimogene grenadenorepvec
Phase Of Trial
Phase 2
Cr rate itt
85.7%
Bcp exposed pct
65.6%
Deaths reported
0
Hg efs 3 months
96.0%
Hg efs 6 months
89.5%
Grade 3 plus traes
0
Bcp unresponsive pct
34.5%
Median follow up months
6.6
Cr rate efficacy evaluable
92.3%

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