Naotaka Nishiyama

Toyama, 9300194, Japan

Last Updated: 09/26/2026

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Found 82 publications

Prognostic significance of non-muscle-invasive late recurrence after intravesical bacillus Calmette-Guérin therapy in bladder cancer: a multicenter, retrospective real-world study (the Japan Urological Oncology Group).

Prognostic significance of non-muscle-invasive late recurrence after intravesical bacillus Calmette-Guérin therapy in bladder cancer: a multicenter, retrospective real-world study (the Japan Urological Oncology Group).

Journal: Japanese journal of clinical oncology

Published: May 15, 2026

A case of unilateral incomplete duplicated collecting system with ureteropelvic junction obstruction and renal pyelic fusion in a horseshoe kidney: A rare urinary tract malformation.

A case of unilateral incomplete duplicated collecting system with ureteropelvic junction obstruction and renal pyelic fusion in a horseshoe kidney: A rare urinary tract malformation.

Journal: Urology case reports

Published: April 06, 2026

Spindle Cell Sarcoma of the Abdominal Aorta Following Endovascular Aneurysm Repair in a Kidney Transplant Recipient.

Spindle Cell Sarcoma of the Abdominal Aorta Following Endovascular Aneurysm Repair in a Kidney Transplant Recipient.

Journal: Case reports in transplantation

Published: April 04, 2026

Real-World Outcomes and Prognostic Factors of Immune Checkpoint Inhibitor Rechallenge for Metastatic Renal Cell Carcinoma: A Multicenter Study.

Real-World Outcomes and Prognostic Factors of Immune Checkpoint Inhibitor Rechallenge for Metastatic Renal Cell Carcinoma: A Multicenter Study.

Journal: International journal of urology : official journal of the Japanese Urological Association

Published: March 31, 2026

Oncological Outcomes and Prognostic Factors of Platinum-Based Chemotherapy Followed by Avelumab Maintenance Therapy Compared With Platinum-Based Chemotherapy Alone: A Propensity Score-Matched Analysis in a Real-World Population.

Oncological Outcomes and Prognostic Factors of Platinum-Based Chemotherapy Followed by Avelumab Maintenance Therapy Compared With Platinum-Based Chemotherapy Alone: A Propensity Score-Matched Analysis in a Real-World Population.

Journal: International journal of urology : official journal of the Japanese Urological Association

Published: November 27, 2025

Single, early intravesical instillation of pirarubicin in the prevention of bladder recurrence after radical nephroureterectomy for upper tract urothelial carcinoma (JCOG1403): a multicentre, open-label, randomised, phase 3 trial.

Single, early intravesical instillation of pirarubicin in the prevention of bladder recurrence after radical nephroureterectomy for upper tract urothelial carcinoma (JCOG1403): a multicentre, open-label, randomised, phase 3 trial.

Journal: The Lancet. Oncology

Published: November 27, 2025

Current Treatment Patterns and Outcomes of Sex Cord Stromal Tumor Patients in Japan.

Current Treatment Patterns and Outcomes of Sex Cord Stromal Tumor Patients in Japan.

Journal: International journal of urology : official journal of the Japanese Urological Association

Published: November 09, 2025

SOX2-positive upper tract urothelial carcinoma: Clinicopathological characteristics and therapeutic implications.

SOX2-positive upper tract urothelial carcinoma: Clinicopathological characteristics and therapeutic implications.

Journal: Oncology letters

Published: October 20, 2025

Age-stratified outcomes of radical cystectomy for muscle-invasive bladder cancer: a nationwide multicenter study of 1867 patients in Japan.

Age-stratified outcomes of radical cystectomy for muscle-invasive bladder cancer: a nationwide multicenter study of 1867 patients in Japan.

Journal: Japanese journal of clinical oncology

Published: October 15, 2025

Real-World Comparison of Survival Outcomes Between Radical Cystectomy and Intravesical Bacillus Calmette-Guérin (BCG) Therapy in BCG-Naïve or -Unresponsive Non-Muscle-Invasive Bladder Cancer.

Real-World Comparison of Survival Outcomes Between Radical Cystectomy and Intravesical Bacillus Calmette-Guérin (BCG) Therapy in BCG-Naïve or -Unresponsive Non-Muscle-Invasive Bladder Cancer.

Journal: International journal of urology : official journal of the Japanese Urological Association

Published: October 09, 2025

A randomized controlled phase III trial on continued or paused PD-1 pathway blockade for patients with advanced renal cell carcinoma (JCOG1905, STOP study): a study protocol.

A randomized controlled phase III trial on continued or paused PD-1 pathway blockade for patients with advanced renal cell carcinoma (JCOG1905, STOP study): a study protocol.

Journal: Japanese journal of clinical oncology

Published: September 13, 2025

Evaluation of the utility of molecular subtype classification by immunohistochemistry in bladder cancer undergoing radical cystectomy: a retrospective cohort study.

Evaluation of the utility of molecular subtype classification by immunohistochemistry in bladder cancer undergoing radical cystectomy: a retrospective cohort study.

Journal: Japanese journal of clinical oncology

Published: September 12, 2025

Showing 1-12 of 82

Last Updated: 09/26/2026