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

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

external thermal field thermotherapy hyperthermic intravesical chemotherapy meta-analysis non-muscle invasive bladder cancer normal temperature intravesical chemotherapy thermal intravesical chemotherapy

Urinary bladder neoplasms adjuvant chemotherapy meta-analysis neoadjuvant chemotherapy (NAC) form (available at http://dx.doi.org/10.21037/tau-20-571). Dr. XZ serves as an unpaid editorial board member of Translational Andrology and Urology from Mar 2015 to Feb 2021. The other authors have no conflicts of interest to declare.

Antineoplastic Agents Immunological/*therapeutic use Carcinoma Transitional Cell/*drug therapy Humans Immunotherapy/*adverse effects/methods Network Meta-Analysis Salvage Therapy/*methods Urinary Bladder Neoplasms/*drug therapy Rct Uc Ucb adverse events chemotherapy immunotherapy network meta-analyses second-line

Antineoplastic Combined Chemotherapy Protocols/*therapeutic use Chemotherapy Adjuvant/methods Cisplatin/therapeutic use Clinical Decision-Making/methods *Cystectomy Disease-Free Survival Female Humans Male Neoadjuvant Therapy/methods Neoplasm Recurrence Local/*epidemiology/pathology/prevention & control Neoplasm Staging Patient Selection *Sex Factors Urinary Bladder/pathology/surgery Urinary Bladder Neoplasms/mortality/pathology/*therapy Adjuvant chemotherapy Bladder cancer Gender Meta-analysis Neoadjuvant chemotherapy

Humans Neoplasm Recurrence Local/epidemiology/prevention & control Peer Review Prospective Studies Urinary Bladder *Urinary Bladder Neoplasms/surgery bladder cancer intravesical chemotherapy irrigation randomized controlled trial recurrence

Antineoplastic Combined Chemotherapy Protocols/*therapeutic use Carcinoma Transitional Cell/immunology/mortality/pathology/*therapy Chemotherapy Adjuvant/methods/statistics & numerical data Clinical Trials Phase I as Topic Clinical Trials Phase II as Topic Cystectomy Disease-Free Survival Follow-Up Studies Humans Immune Checkpoint Inhibitors/*therapeutic use Muscle Smooth/pathology/surgery Neoadjuvant Therapy/*methods/statistics & numerical data Neoplasm Invasiveness/pathology Prospective Studies Treatment Outcome Urinary Bladder/pathology/surgery Urinary Bladder Neoplasms/immunology/mortality/pathology/*therapy Bladder cancer Immune checkpoint inhibitors Immunotherapy Neoadjuvant

Chemotherapy Adjuvant *Combined Modality Therapy Cystectomy Female Humans Middle Aged Muscles Neoadjuvant Therapy *Neoplasm Invasiveness Organ Sparing Treatments Patient Selection Quality of Life Salvage Therapy Survival Rate *Urinary Bladder Neoplasms/therapy

Administration Intravesical BCG Vaccine/therapeutic use *Carcinoma in Situ/diagnosis/therapy Female Humans Male Neoplasm Invasiveness *Urinary Bladder Neoplasms/diagnosis/pathology/therapy *Urology *BCG unresponsive *Bacillus Calmette-Guerin (BCG) *Bladder cancer *Cystoscopy *Diagnosis *European Association of Urology (EAU) *Follow-up *Guidelines *Intravesical chemotherapy *Prognosis *Radical cystectomy *Transurethral resection (TUR) *Urothelial carcinoma

Antineoplastic Agents/*therapeutic use Chemotherapy Adjuvant/*statistics & numerical data *Cystectomy Global Health Guideline Adherence/statistics & numerical data Humans Models Statistical Neoadjuvant Therapy/*statistics & numerical data Neoplasm Invasiveness Practice Guidelines as Topic Practice Patterns Physicians'/*statistics & numerical data Urinary Bladder Neoplasms/*drug therapy/pathology/surgery

Chemotherapy Adjuvant *Cystectomy/methods Humans Neoadjuvant Therapy Smoking/*adverse effects Survival Rate Treatment Outcome Urinary Bladder Neoplasms/drug therapy/*mortality/*surgery cigarette smoking cystectomy recurrence survival urinary bladder neoplasms

Antineoplastic Combined Chemotherapy Protocols/*therapeutic use Chemotherapy Adjuvant *Cystectomy/methods Humans Neoadjuvant Therapy Neoplasm Invasiveness Survival Rate Urinary Bladder Neoplasms/*drug therapy/mortality/pathology/*surgery Muscle-invasive bladder cancer Neoadjuvant chemotherapy Overall survival Radical cystectomy

bladder cancer cisplatin dose-dense MVAC gemcitabine neoadjuvant chemotherapy

Css Os Pfs neoadjuvant chemotherapy outcome primary MIBC secondary MIBC

Female Humans Male Prospective Studies *Quality of Life Urinary Bladder Neoplasms/drug therapy/*psychology/radiotherapy Bladder cancer Chemotherapy Muscle-invasive bladder cancer Quality of life Urothelial cancer PUBLICATION: Not applicable. COMPETING INTERESTS: The authors declare that they have no competing interests. PUBLISHER’S NOTE: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.