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2020

Twitter and academic Urology in the United States and Canada: a comprehensive assessment of the Twitterverse in 2019

Chandrasekar, T., Goldberg, H., Klaassen, Z., Wallis, C. J. D., Leong, J. Y., Liem, S., Teplitsky, S., Noorani, R. & Loeb, S., Jan 1 2020, In : BJU International. 125, 1, p. 173-181 9 p.

Research output: Contribution to journalArticle

Urology
Canada
Physicians
Social Media
Accreditation
2019
1 Citation (Scopus)

Abiraterone Acetate for Nonmetastatic Castration-Resistant Prostate Cancer - The Forgotten Dance Partner?

Klaassen, Z., Wallis, C. J. D. & Fleshner, N. E., Feb 2019, In : JAMA Oncology. 5, 2, p. 144-145 2 p.

Research output: Contribution to journalComment/debate

Castration
Prostatic Neoplasms
Abiraterone Acetate
1 Citation (Scopus)

Age Differences in Patient-reported Psychological and Physical Distress Symptoms in Bladder Cancer Patients – A Cross Sectional Study

Ajaj, R., Berlin, A., Klaassen, Z., Chandrasekar, T., Wallis, C. J. D., Ahmad, A. E., Herrera Cáceres, J. O., Leao, R., Petrella, A. R., Fleshner, N., Matthew, A., Kulkarni, G. S. & Goldberg, H., Dec 2019, In : Urology. 134, p. 154-162 9 p.

Research output: Contribution to journalArticle

Urinary Bladder Neoplasms
Cross-Sectional Studies
Psychology
Cystectomy
Symptom Assessment

Androgen deprivation therapy and gleason grade: Unravelling implications on survival

Scott, M., Klaassen, Z. & Wallis, C. J. D., Jun 1 2019, In : Translational Cancer Research. 8, 3, p. 729-731 3 p.

Research output: Contribution to journalReview article

Androgens
Therapeutics

Are there differences between de novo and secondary upper tract urothelial carcinoma tumors?

Goldberg, H., Cheung, D. C., Chandrasekar, T., Klaassen, Z., Wallis, C. J. D., Kulkarni, G. S., Sayyid, R., Evans, A., Masoomian, M., Bapat, B., Van Der Kwast, T., Hamilton, R. J., Zlotta, A. & Fleshner, N., Jan 1 2019, In : Canadian Urological Association Journal. 13, 9, p. E292-E299

Research output: Contribution to journalArticle

Open Access
Carcinoma
Proportional Hazards Models
Neoplasms
Urinary Bladder Neoplasms
Recurrence

Association between Smoking and Survival Benefit of Immunotherapy in Advanced Malignancies: A Systematic Review and Meta-Analysis

Wallis, C. J. D., Satkunasivam, R., Butaney, M., Khan, U. A., Goldberg, H. A., Freedland, S. J., Patel, S. P., Hamid, O., Pal, S. K. & Klaassen, Z., Sep 1 2019, In : American Journal of Clinical Oncology: Cancer Clinical Trials. 42, 9, p. 711-716 6 p.

Research output: Contribution to journalArticle

Immunotherapy
Meta-Analysis
Smoking
Survival
Confidence Intervals
24 Citations (Scopus)

Association of Patient Sex with Efficacy of Immune Checkpoint Inhibitors and Overall Survival in Advanced Cancers: A Systematic Review and Meta-analysis

Wallis, C. J. D., Butaney, M., Satkunasivam, R., Freedland, S. J., Patel, S. P., Hamid, O., Pal, S. K. & Klaassen, Z., Apr 2019, In : JAMA Oncology. 5, 4, p. 529-536 8 p.

Research output: Contribution to journalArticle

Immunotherapy
Meta-Analysis
Survival
Neoplasms
Sex Characteristics
6 Citations (Scopus)

Cancer diagnosis and risk of suicide after accounting for prediagnosis psychiatric care: A matched-cohort study of patients with incident solid-organ malignancies

Klaassen, Z., Wallis, C. J. D., Chandrasekar, T., Goldberg, H., Sayyid, R. K., Williams, S. B., Moses, K. A., Terris, M. K., Nam, R. K., Urbach, D., Austin, P. C., Kurdyak, P. & Kulkarni, G. S., Aug 15 2019, In : Cancer. 125, 16, p. 2886-2895 10 p.

Research output: Contribution to journalArticle

Suicide
Psychiatry
Cohort Studies
Neoplasms
Kidney Neoplasms

EDITORIAL COMMENT

Benton, J. Z., Lodh, A., Wallis, C. J. D. & Klaassen, Z. W. A., Oct 2019, In : Urology. 132, p. 47-48 2 p.

Research output: Contribution to journalComment/debate

1 Citation (Scopus)

Extraprostatic Extension in Core Biopsies Epitomizes High-risk but Locally Treatable Prostate Cancer

Goldberg, H., Ramiz, A. H., Glicksman, R., Salgado, N. S., Chandrasekar, T., Klaassen, Z. W. A., Wallis, C. J. D., Hosni, A., Moraes, F. Y., Ghai, S., Kulkarni, G. S., Hamilton, R. J., Perlis, N., Toi, A., Chung, P., Evans, A., van der Kwast, T., Finelli, A., Fleshner, N. & Berlin, A., Feb 2019, In : European Urology Oncology. 2, 1, p. 88-96 9 p.

Research output: Contribution to journalArticle

Prostatic Neoplasms
Prostate
Biopsy
Prostatectomy
Radiotherapy
2 Citations (Scopus)

First-line Treatment of Metastatic Renal Cell Carcinoma: A Systematic Review and Network Meta-analysis

Hahn, A. W., Klaassen, Z., Agarwal, N., Haaland, B., Esther, J., Ye, X. Y., Wang, X., Pal, S. K. & Wallis, C. J. D., Nov 1 2019, In : European Urology Oncology. 2, 6, p. 708-715 8 p.

Research output: Contribution to journalReview article

Open Access
Renal Cell Carcinoma
Disease-Free Survival
Survival
Therapeutics
Population
3 Citations (Scopus)

Germ Cell Testicular Tumors—Contemporary Diagnosis, Staging and Management of Localized and Advanced disease

Goldberg, H., Klaassen, Z., Chandrasekar, T., Fleshner, N., Hamilton, R. J. & Jewett, M. A. S., Mar 2019, In : Urology. 125, p. 8-19 12 p.

Research output: Contribution to journalReview article

Germ Cells
Drug Therapy
Orchiectomy
Therapeutics
Disease Management
1 Citation (Scopus)

Immune Checkpoint Blockade plus Axitinib for Renal-Cell Carcinoma

Klaassen, Z. W. A., Satkunasivam, R. & Wallis, C. J. D., Jun 27 2019, In : New England Journal of Medicine. 380, 26, 1 p.

Research output: Contribution to journalLetter

Renal Cell Carcinoma
axitinib
1 Citation (Scopus)

Lessons Learned from the Global Epidemiology of Kidney Cancer: A Refresher in Epidemiology 101

Klaassen, Z., Sayyid, R. K. & Wallis, C. J. D., Jan 2019, In : European urology. 75, 1, p. 85-87 3 p.

Research output: Contribution to journalEditorial

Kidney Neoplasms
Epidemiology
1 Citation (Scopus)

Lynch Syndrome in Urologic Malignancies – What Does the Urologist Need to Know?

Goldberg, H., Wallis, C. J. D., Klaassen, Z., Chandrasekar, T., Fleshner, N. & Zlotta, A. R., Dec 2019, In : Urology. 134, p. 24-31 8 p.

Research output: Contribution to journalArticle

Hereditary Nonpolyposis Colorectal Neoplasms
Neoplasms
DNA Mismatch Repair
Endometrial Neoplasms
Urologists
1 Citation (Scopus)

Mental Illness and Bladder Cancer Patients: The Time for Assertive Intervention Is Now

Klaassen, Z. W. A., Lokeshwar, S. D., Lowery-Allison, A. & Wallis, C. J. D., Jan 1 2019, In : European Urology Focus.

Research output: Contribution to journalEditorial

Urinary Bladder Neoplasms
1 Citation (Scopus)

Perioperative venous thromboembolism prophylaxis in prostate cancer surgery

Klaassen, Z. W. A., Wallis, C. J. D., Lavallée, L. T. & Violette, P. D., Jan 1 2019, In : World Journal of Urology.

Research output: Contribution to journalArticle

Venous Thromboembolism
Prostatic Neoplasms
Prostatectomy
Hemorrhage
Lymph Node Excision

Population-based outcomes of men with a single negative prostate biopsy: Importance of continued follow-up among older patients

Sayyid, R. K., Alibhai, S. M. H., Sutradhar, R., Eberg, M., Fung, K., Klaassen, Z., Goldberg, H., Perlis, N., Madi, R., Terris, M. K., Urbach, D. R. & Fleshner, N. E., May 2019, In : Urologic Oncology: Seminars and Original Investigations. 37, 5, p. 298.e19-298.e27

Research output: Contribution to journalArticle

Prostate
Prostatic Neoplasms
Biopsy
Mortality
Population

Re: Prostate Cancer-specific Mortality Across Gleason Scores in Black vs Nonblack Men

Wallis, C. J. D., Klotz, L. & Klaassen, Z. W. A., Jun 1 2019, In : European urology. 75, 6, p. 1036-1037 2 p.

Research output: Contribution to journalComment/debate

Neoplasm Grading
Prostatic Neoplasms
Mortality
1 Citation (Scopus)

Re: Comparison of Population-based Observational Studies with Randomized Trials in Oncology

Wallis, C. J. D. & Klaassen, Z., Dec 2019, In : European urology. 76, 6, p. 869-870 2 p.

Research output: Contribution to journalComment/debate

Observational Studies
Population

Reply to Comment on: “The impact of psychiatric utilisation prior to cancer diagnosis on survival of solid organ malignancies’’

Klaassen, Z., Wallis, C. J. D., Kurdyak, P. & Kulkarni, G. S., Jul 16 2019, In : British Journal of Cancer. 121, 2, p. 195-196 2 p.

Research output: Contribution to journalLetter

Tissue Survival
Psychiatry
Neoplasms
6 Citations (Scopus)

Robot-assisted Radical Cystectomy Versus Open Radical Cystectomy: A Meta-analysis of Oncologic, Perioperative, and Complication-related outcomes

Satkunasivam, R., Tallman, C. T., Taylor, J. M., Miles, B. J., Klaassen, Z. & Wallis, C. J. D., Jul 1 2019, In : European Urology Oncology. 2, 4, p. 443-447 5 p.

Research output: Contribution to journalArticle

Cystectomy
Meta-Analysis
Robotics
Recurrence
Randomized Controlled Trials

Systematic review and meta-analysis on trimodal therapy versus radical cystectomy for muscle-invasive bladder cancer: Does the current quality of evidence justify definitive conclusions?

Wettstein, M. S., Rooprai, J. K., Pazhepurackel, C., Wallis, C. J. D., Klaassen, Z., Uleryk, E. M., Hermanns, T., Fleshner, N. E., Zlotta, A. R. & Kulkarni, G. S., Apr 2019, In : PloS one. 14, 4, e0216255.

Research output: Contribution to journalReview article

Open Access
Cystectomy
systematic review
meta-analysis
Urinary Bladder Neoplasms
Muscle
6 Citations (Scopus)

Systematic Review of Factors Associated with the Utilization of Radical Cystectomy for Bladder Cancer

Williams, S. B., Hudgins, H. K., Ray-Zack, M. D., Chamie, K., Smaldone, M. C., Boorjian, S. A., Daneshmand, S., Black, P. C., Kamat, A. M., Goebell, P. J., Seiler, R., Schmitz-Drager, B., Nawroth, R., Baillargeon, J., Klaassen, Z. W. A., Kulkarni, G. S., Kim, S. P., Lee, E. K., Holzbeierlein, J. M., Hollenbeck, B. K. & 1 others, Gore, J. L., Mar 2019, In : European Urology Oncology. 2, 2, p. 119-125 7 p.

Research output: Contribution to journalArticle

Cystectomy
Urinary Bladder Neoplasms
Comorbidity
Marital Status
Guidelines
5 Citations (Scopus)

The impact of psychiatric utilisation prior to cancer diagnosis on survival of solid organ malignancies

Klaassen, Z., Wallis, C. J. D., Goldberg, H., Chandrasekar, T., Sayyid, R. K., Williams, S. B., Moses, K. A., Terris, M. K., Nam, R. K., Urbach, D., Austin, P. C., Kurdyak, P. & Kulkarni, G. S., Apr 16 2019, In : British Journal of Cancer. 120, 8, p. 840-847 8 p.

Research output: Contribution to journalArticle

Tissue Survival
Psychiatry
Neoplasms
Mortality
Proportional Hazards Models

The Role of Robotic Retroperitoneal Lymph Node Dissection for Testis Cancer

Klaassen, Z. W. A. & Hamilton, R. J., Aug 1 2019, In : Urologic Clinics of North America. 46, 3, p. 409-417 9 p.

Research output: Contribution to journalReview article

Testicular Neoplasms
Robotics
Lymph Node Excision
Supine Position
Midazolam

The who, when, and why of primary adrenal malignancies: Insights into the epidemiology of a rare clinical entity

Chandrasekar, T., Goldberg, H., Klaassen, Z., Wallis, C. J. D., Woon, D. T. S., Herrera-Caceres, J. O., Kulkarni, G. S. & Fleshner, N. E., Apr 1 2019, In : Cancer. 125, 7, p. 1050-1059 10 p.

Research output: Contribution to journalArticle

Epidemiology
Adrenocortical Carcinoma
Neuroblastoma
Non-Hodgkin's Lymphoma
Neoplasms
3 Citations (Scopus)

Variation and Trends in Antidepressant Prescribing for Men Undergoing Treatment for Nonmetastatic Prostate Cancer: A Population-based Cohort Study

Matta, R., Wallis, C. J. D., Goldenberg, M. G., Hird, A. E., Klaassen, Z., Kulkarni, G., Kodama, R. T., Herschorn, S. & Nam, R. K., Jan 2019, In : European urology. 75, 1, p. 3-7 5 p.

Research output: Contribution to journalArticle

Antidepressive Agents
Prostatic Neoplasms
Cohort Studies
Population
Radiotherapy
2018
5 Citations (Scopus)

Advanced Androgen Blockage in Nonmetastatic Castration-resistant Prostate Cancer: An Indirect Comparison of Apalutamide and Enzalutamide

Wallis, C. J. D., Chandrasekar, T., Goldberg, H., Klotz, L., Fleshner, N., Satkunasivam, R. & Klaassen, Z. W. A., Aug 1 2018, In : European Urology Oncology. 1, 3, p. 238-241 4 p.

Research output: Contribution to journalArticle

Castration
Androgens
Prostatic Neoplasms
Prostate-Specific Antigen
Neoplasm Metastasis
8 Citations (Scopus)

Analysis of Suicide Risk in Patients with Penile Cancer and Review of the Literature

Simpson, W. G., Klaassen, Z. W. A., Jen, R. P., Hughes, W. M., Neal, D. E. & Terris, M. K., Apr 1 2018, In : Clinical Genitourinary Cancer. 16, 2, p. e257-e261

Research output: Contribution to journalReview article

Penile Neoplasms
Suicide
Laser Therapy
International Classification of Diseases
Penis

Case ‒ Foamy, high-grade prostatic intraepithelial neoplasia: A false positive for prostate cancer on multiparametric magnetic resonance imaging?

Chandrasekar, T., Goldberg, H., Klaassen, Z., Perlis, N., Finelli, A., Evans, A. & Ghai, S., May 2018, In : Canadian Urological Association Journal. 12, 5, p. E256-E259

Research output: Contribution to journalArticle

Prostatic Intraepithelial Neoplasia
Prostatic Neoplasms
Magnetic Resonance Imaging
9 Citations (Scopus)

Changing Trends for Suicidal Death in Patients With Bladder Cancer: A 40+ Year Population-level Analysis

Klaassen, Z., Goldberg, H., Chandrasekar, T., Arora, K., Sayyid, R. K., Hamilton, R. J., Fleshner, N. E., Williams, S. B., Wallis, C. J. D. & Kulkarni, G. S., Jun 2018, In : Clinical Genitourinary Cancer. 16, 3, p. 206-212.e1

Research output: Contribution to journalArticle

Urinary Bladder Neoplasms
Suicide
Population
Odds Ratio
Cystectomy
2 Citations (Scopus)

Characterization and outcomes of local treatment for primary bladder lymphoma: A population-based cohort analysis

Sellman, D. P., Simpson, W. G., Klaassen, Z., Jen, R. P., DiBianco, J. M., Reinstatler, L., Li, Q., Madi, R. H. & Terris, M. K., Jul 1 2018, In : Urology Annals. 10, 3, p. 249-253 5 p.

Research output: Contribution to journalArticle

Lymphoma
Urinary Bladder
Cohort Studies
Population
Non-Hodgkin's Lymphoma
37 Citations (Scopus)

Comparison of Abiraterone Acetate and Docetaxel with Androgen Deprivation Therapy in High-risk and Metastatic Hormone-naïve Prostate Cancer: A Systematic Review and Network Meta-analysis

Wallis, C. J. D., Klaassen, Z. W. A., Bhindi, B., Goldberg, H., Chandrasekar, T., Farrell, A. M., Boorjian, S. A., Kulkarni, G. S., Karnes, R. J. & Satkunasivam, R., Jun 2018, In : European urology. 73, 6, p. 834-844 11 p.

Research output: Contribution to journalReview article

docetaxel
Androgens
Prostatic Neoplasms
Hormones
Therapeutics

Decreasing incidence of venous thromboembolic events after radical cystectomy: Are we finally improving?

Harper, B. T., Wallis, C. J. D. & Klaassen, Z., Dec 1 2018, In : Translational Andrology and Urology. 7, p. S747-S750

Research output: Contribution to journalReview article

Cystectomy
Incidence
15 Citations (Scopus)

Decreasing suicide risk among patients with prostate cancer: Implications for depression, erectile dysfunction, and suicidal ideation screening

Klaassen, Z., Arora, K., Wilson, S. N., King, S. A., Madi, R., Neal, D. E., Kurdyak, P., Kulkarni, G. S., Lewis, R. W. & Terris, M. K., Feb 2018, In : Urologic Oncology: Seminars and Original Investigations. 36, 2, p. 60-66 7 p.

Research output: Contribution to journalReview article

Suicidal Ideation
Erectile Dysfunction
Suicide
Prostatic Neoplasms
Depression
1 Citation (Scopus)

Does perioperative chemotherapy improve survival in upper tract urothelial carcinoma? A population based analysis

Goldberg, H., Klaassen, Z., Chandrasekar, T., Sayyid, R., Kulkarni, G. S., Hamilton, R. J. & Fleshner, N. E., Apr 10 2018, In : Oncotarget. 9, 27, p. 18797-18810 14 p.

Research output: Contribution to journalArticle

Carcinoma
Drug Therapy
Survival
Mortality
Population

Editorial Comment

Klaassen, Z., Apr 1 2018, In : Urology. 114, 1 p.

Research output: Contribution to journalComment/debate

1 Citation (Scopus)

Evaluation of an Aggressive Prostate Biopsy Strategy in Men Younger than 50 Years

Goldberg, H., Klaassen, Z., Chandrasekar, T., Wallis, C. J. D., Toi, A., Sayyid, R., Bhindi, B., Nesbitt, M., Evans, A., van der Kwast, T., Sweet, J., Perlis, N., Hamilton, R. J., Kulkarni, G. S., Finelli, A., Zlotta, A. & Fleshner, N., Nov 2018, In : Journal of Urology. 200, 5, p. 1056-1061 6 p.

Research output: Contribution to journalArticle

Prostate-Specific Antigen
Prostate
Biopsy
Prostatic Neoplasms
Neoplasm Grading
9 Citations (Scopus)

Extended Venous Thromboembolism Prophylaxis after Radical Cystectomy: A Call for Adherence to Current Guidelines

Klaassen, Z., Arora, K., Goldberg, H., Chandrasekar, T., Wallis, C. J. D., Sayyid, R. K., Fleshner, N. E., Finelli, A., Kutikov, A., Violette, P. D. & Kulkarni, G. S., Apr 2018, In : Journal of Urology. 199, 4, p. 906-914 9 p.

Research output: Contribution to journalReview article

Cystectomy
Venous Thromboembolism
Guidelines
Anticoagulants
Incidence
19 Citations (Scopus)

First-line Systemic Therapy for Metastatic Renal Cell Carcinoma: A Systematic Review and Network Meta-analysis [Figure presented]

Wallis, C. J. D., Klaassen, Z., Bhindi, B., Ye, X. Y., Chandrasekar, T., Farrell, A. M., Goldberg, H., Boorjian, S. A., Leibovich, B., Kulkarni, G. S., Shah, P. S., Bjarnason, G. A., Heng, D. Y. C., Satkunasivam, R. & Finelli, A., Sep 2018, In : European urology. 74, 3, p. 309-321 13 p.

Research output: Contribution to journalReview article

Renal Cell Carcinoma
Therapeutics
Disease-Free Survival
Databases
Network Meta-Analysis

High competing risks minimize real-world utility of adjuvant targeted therapy in renal cell carcinoma: A population-based analysis

Chandrasekar, T., Klaassen, Z., Goldberg, H., Sayyid, R. K., Kulkarni, G. S. & Fleshner, N. E., Mar 30 2018, In : Oncotarget. 9, 24, p. 16731-16743 13 p.

Research output: Contribution to journalArticle

Renal Cell Carcinoma
Population
Therapeutics
Mortality
Neoplasms
7 Citations (Scopus)

Impact of psychiatric illness on decreased survival in elderly patients with bladder cancer in the United States

Jazzar, U., Yong, S., Klaassen, Z., Huo, J., Hughes, B. D., Esparza, E., Mehta, H. B., Kim, S. P., Tyler, D. S., Freedland, S. J., Kamat, A. M., Wolf, D. V. & Williams, S. B., Aug 1 2018, In : Cancer. 124, 15, p. 3127-3135 9 p.

Research output: Contribution to journalArticle

Urinary Bladder Neoplasms
Psychiatry
Survival
Mental Disorders
Confidence Intervals
3 Citations (Scopus)

Lymphadenectomy in Gleason 7 prostate cancer: Adherence to guidelines and effect on clinical outcomes

Chandrasekar, T., Goldberg, H., Klaassen, Z. W. A., Sayyid, R. K., Hamilton, R. J., Fleshner, N. E. & Kulkarni, G. S., Jan 2018, In : Urologic Oncology: Seminars and Original Investigations. 36, 1, p. 13.e11-13.e18

Research output: Contribution to journalArticle

Guideline Adherence
Lymph Node Excision
Prostatic Neoplasms
Prostatectomy
Mortality
11 Citations (Scopus)

Molecular characterization of renal cell carcinoma: A potential three-MicroRNA prognostic signature

Lokeshwar, S. D., Talukder, A., Yates, T. J., Hennig, M. J. P., Garcia-Roig, M., Lahorewala, S. S., Mullani, N. N., Klaassen, Z., Kava, B. R., Manoharan, M., Soloway, M. S. & Lokeshwar, V. B., Apr 2018, In : Cancer Epidemiology Biomarkers and Prevention. 27, 4, p. 464-472 9 p.

Research output: Contribution to journalEditorial

MicroRNAs
Renal Cell Carcinoma
Neoplasm Metastasis
Neoplasms
Biomarkers
2 Citations (Scopus)

Preventing clinical progression and need for treatment in patients on active surveillance for prostate cancer

Goldberg, H., Klaassen, Z. W. A., Chandrasekar, T. & Fleshner, N., Jan 1 2018, In : Current Opinion in Urology. 28, 1, p. 46-54 9 p.

Research output: Contribution to journalReview article

Prostatic Neoplasms
Disease Progression
Thromboplastin
Therapeutics
Prostate-Specific Antigen
Androgens
Meta-Analysis
Prostatic Neoplasms
Hormones
Neoplasms
1 Citation (Scopus)

Replacing surveillance cystoscopy with urinary biomarkers in followup of patients with non-muscle-invasive bladder cancer: Patients’ and urologic oncologists’ perspectives

Sayyid, R. K., Sayyid, A. K., Klaassen, Z. W. A., Hersey, K., Goldberg, H., Perlis, N., Ahmad, A., Leao, R., Chandrasekar, T., Fadaak, K., Madi, R. H., Terris, M. K., Finelli, A., Hamilton, R. J., Kulkarni, G. S., Zlotta, A. R. & Fleshner, N. E., May 2018, In : Canadian Urological Association Journal. 12, 5, p. E210-E218

Research output: Contribution to journalArticle

Cystoscopy
Urinary Bladder Neoplasms
Biomarkers
Costs and Cost Analysis
Oncologists