Recombinant oncolytic adenovirus injection (KD01) is an oncolytic virus product. Its main component is a conditionally replicative recombinant human type 5 adenovirus, where part of the E3 region has been replaced with the gene encoding the tBid apoptotic protein.AK104 is a humanized bispecific antibody co-targeting PD-1 (Programmed Cell Death Protein 1) and CTLA-4 (Cytotoxic T-Lymphocyte-Associated Antigen 4)-two key immune checkpoint receptors. It is designed as a novel tetrameric construct that preferentially binds to tumor-infiltrating lymphocytes (TILs) co-expressing PD-1 and CTLA-4 in the tumor microenvironment (with higher avidity than in peripheral tissues).This is a Phase I clinical study designed to evaluate the safety, tolerability, and preliminary efficacy of intravesical instillation of recombinant oncolytic adenovirus injection (KD01) in patients with bladder cancer.This study consists of Phase Ia and Phase Ib, where Phase Ia is a dose-escalation stage.The Phase Ia will include histopathologically confirmed non-muscle-invasive bladder cancer (NMIBC) patients with high-risk stratification (including extremely high-risk).The Phase Ib study will include two independent cohorts: Cohort A comprises high-risk non-muscle-invasive bladder cancer (NMIBC) patients (carcinoma in situ \[CIS\], with or without Ta/T1 stage lesions) who have shown no response to BCG. Cohort B will include T2-4aN0-1M0 stage bladder cancer patients (clinically localized muscle-invasive bladder urothelial carcinoma).
Age range
18 Years – 75 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
SAEs and AEs（Phase Ia）
Timeframe: 2 years
MTD
Timeframe: 2 years
SAEs and AEs（Phase Ib）
Timeframe: 2 years