Study of CG0070 Combined With Nivolumab in Cisplatin Ineligible Patients With MIBC

CG0070 will be administered at a dose of 1x10\^12 vp intravesically following a sequence of bladder washes with 5% DDM and normal saline.

Two neoadjuvant doses of nivolumab 480 mg Q4W (every 4 weeks) for 2 doses (week 2 and 6)