Humans *Neoplasm Recurrence Local/drug therapy *Urinary Bladder Neoplasms/pathology Infusions Intra-Arterial Chemotherapy Adjuvant Adverse Reactions bladder cancer intra-arterial chemotherapy meta-analysis prognosis

Antibodies Monoclonal Humanized/*therapeutic use *Carcinoma Transitional Cell/drug therapy Humans Prognosis Retrospective Studies *Urinary Bladder Neoplasms/drug therapy Metastatic urothelial carcinoma Pembrolizumab Prognostic factor Janssen and Pfizer. Takahiro Kimura is a paid consultant/advisor of Astellas Bayer Janssen and Sanofi. Shahrokh F. Shariat is a paid as follows: Honoraria: Astellas AstraZeneca Bayer BMS Cepheid Ferring Ipsen Janssen Lilly MSD Olympus Pfizer Pierre Fabre Richard Wolf Roche Sanochemia Sanofi Takeda Urogen. Consulting or Advisory Role: Astellas AstraZeneca Bayer BMS Cepheid Ferring Ipsen Janssen Lilly MSD Olympus Pfizer Pierre Fabre Richard Wolf Roche Sanochemia Sanofi Takeda Urogen. Speakers Bureau: Astellas Astra Zeneca Bayer BMS Cepheid Ferring Ipsen Janssen Lilly MSD Olympus Pfizer Pierre Fabre Richard Wolf Roche Sanochemia Sanofi Takeda Urogen Movember Foundation. The other authors declare no conflicts of interest associated with this manuscript.

Adjuvants Immunologic Administration Intravesical BCG Vaccine/therapeutic use Bayes Theorem *Covid-19 Duration of Therapy Humans *Mycobacterium bovis Neoplasm Invasiveness Neoplasm Recurrence Local/drug therapy Network Meta-Analysis Pandemics *Urinary Bladder Neoplasms/drug therapy *Urology

*Antineoplastic Agents/adverse effects *Carcinoma Transitional Cell/drug therapy Humans Mutation Receptor ErbB-2 Trastuzumab/adverse effects *Urinary Bladder Neoplasms/drug therapy Erbb2 Her2 Metastatic bladder cancer Metastatic urothelial cancer Targeted treatment

Humans *Carcinoma Transitional Cell/radiotherapy/surgery/drug therapy *Urinary Bladder Neoplasms Radiotherapy Adjuvant Retrospective Studies Prospective Studies Neoplasm Recurrence Local adjuvant radiotherapy external beam genitourinary locoregional control meta-analysis proximal ureter renal pelvis survival systematic review upper tract urothelial carcinoma

*Carcinoma Transitional Cell/drug therapy Female Humans Immune Checkpoint Inhibitors/therapeutic use Immunotherapy *Lung Neoplasms/pathology Male Platinum/therapeutic use Programmed Cell Death 1 Receptor *Urinary Bladder Neoplasms/drug therapy

*Cystectomy Humans *Neoadjuvant Therapy Neoplasm Staging Treatment Outcome Urinary Bladder Neoplasms/*drug therapy/pathology/*surgery

Administration Intravesical *Carcinoma Transitional Cell/pathology Humans Male Neoplasm Invasiveness/pathology Neoplasm Recurrence Local/pathology Neoplasm Staging *Urinary Bladder Neoplasms/drug therapy/therapy

Humans Administration Intravesical Antibiotics Antineoplastic/administration & dosage Hematuria/drug therapy *Mitomycin/administration & dosage Prospective Studies Quality of Life Treatment Outcome *Urinary Bladder Neoplasms/drug therapy/pathology/surgery

*Carcinoma Transitional Cell/drug therapy/pathology Cisplatin Female Humans Male *Urinary Bladder Neoplasms/drug therapy/pathology *Urology *Bladder cancer *European Association of Urology *Guidelines *Immunotherapy *Metastatic *Systemic therapy *Urothelial carcinoma

*Carcinoma Transitional Cell/pathology/surgery Combined Modality Therapy Consensus Humans Neoplasm Invasiveness/pathology Quality of Life Urinary Bladder/pathology/surgery *Urinary Bladder Neoplasms/drug therapy/surgery Bladder neoplasms Bladder preservation Expert consensus Multi-disciplinary treatment

*BCG Vaccine/adverse effects Female Humans Male Randomized Controlled Trials as Topic *Urinary Bladder Neoplasms/drug therapy Administration intravesical Adverse effects Recurrence Urinary bladder neoplasms

Antineoplastic Combined Chemotherapy Protocols/adverse effects Bayes Theorem *Carcinoma Transitional Cell/drug therapy/surgery Humans Network Meta-Analysis *Urinary Bladder Neoplasms/drug therapy/surgery Ici Pd-1 Pd-l1 adjuvant therapy chemotherapy urothelial carcinoma

Administration Intravesical *Antineoplastic Agents/therapeutic use BCG Vaccine/therapeutic use Humans Neoplasm Recurrence Local Quality of Life *Urinary Bladder Neoplasms/drug therapy Bacillus Calmette–Guérin bladder cancer chemotherapy health-related quality of life hyperthermia immunotherapy intravesical therapy non-muscle invasive bladder cancer urothelial carcinoma

Chemotherapy Adjuvant Cisplatin/therapeutic use Female Humans Male Muscles Randomized Controlled Trials as Topic *Urinary Bladder Neoplasms/drug therapy *Bladder cancer *Chemotherapy *Individual participant data *Meta-analysis *Systematic review

Administration Intravesical BCG Vaccine/therapeutic use Humans Neoplasm Recurrence Local/prevention & control Network Meta-Analysis *Urinary Bladder Neoplasms/drug therapy/pathology Bladder cancer Intermediate risk Intravesical therapy Non–muscle-invasive bladder cancer

Adult Aged Aged 80 and over Antineoplastic Combined Chemotherapy Protocols/adverse effects/*therapeutic use B7-H1 Antigen/antagonists & inhibitors Carcinoma/*drug therapy/immunology/mortality/pathology Clinical Decision-Making Female Humans Immune Checkpoint Inhibitors/adverse effects/*therapeutic use Male Middle Aged Patient Selection Progression-Free Survival Time Factors Urinary Bladder Neoplasms/*drug therapy/immunology/mortality/pathology Urothelium/*drug effects/immunology/pathology Immune-checkpoint inhibitor Meta-analysis Programmed death-ligand 1 Urothelial carcinoma interests/personal relationships which may be considered as potential competing interests: The authors certify that all conflicts of interest including specific financial interests and relationships and affiliations relevant to the subject matter or materials discussed in the article are listed as follows: Shahrokh Shariat owns or co-owns the following patents: methods to determine prognosis after therapy for prostate cancer. Granted 2002-09-06. Methods to determine prognosis after therapy for bladder cancer. Granted 2003-06-19. Prognostic methods for patients with prostatic disease. Granted 2004-08-05. Soluble Fas: urinary marker for the detection of bladder transitional cell carcinoma. Granted 2010-07-20. He has a consulting or advisory role for the following: Astellas Astra Zeneca Bayer BMS Cepheid Ferring Ipsen Jansen Lilly MSD Olympus Pfizer Pierre Fabre Roche Sanochemia Sanofi Takeda Urogen and Wolff. All remaining authors have declared no conflicts of interest.

Antineoplastic Combined Chemotherapy Protocols/*therapeutic use Carcinoma Transitional Cell/*drug therapy/pathology Clinical Trials Phase II as Topic Clinical Trials Phase III as Topic Humans Neoplasm Metastasis Neoplasm Staging Practice Guidelines as Topic Randomized Controlled Trials as Topic Urinary Bladder Neoplasms/*drug therapy/pathology Immune checkpoint inhibitors Platinum-based chemotherapy Survival outcomes Treatment guidelines Urothelial carcinoma funded this work. MK PK and SD are employees of Evidera.

Antineoplastic Agents/*therapeutic use Biomarkers Tumor/*blood Humans Male Neoadjuvant Therapy/*methods Prognosis Urinary Bladder Neoplasms/blood/drug therapy/*pathology Biomarkers Bladder cancer Nac Neoadjuvant chemotherapy Systematic review Ucb

Chemotherapy Adjuvant Humans Liquid Biopsy Muscles Neoplasm Invasiveness Prospective Studies *Urinary Bladder Neoplasms/drug therapy Cell-free DNA Circulating tumor cells Liquid biopsies Muscle-invasive bladder cancer Perioperative therapy