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Author

  • Zachary W A Klaassen
Article

Adult Xp11 translocation associated renal cell carcinoma: Time to recognize

Klaassen, Z., Tatem, A., Burnette, J. O., Donohoe, J. M. & Terris, M. K., Nov 2012, In : Urology. 80, 5, p. 965-968 4 p.

Research output: Contribution to journalArticle

12 Scopus citations

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

11 Scopus citations

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

2 Scopus citations

A heterogeneous renal mass and arm pain in a 38-year-old african American female

Klaassen, Z., Peard, L., Wilhelm, S., Coulson, H. C., Li, Q., Kavuri, S. K., Terris, M. K. & Moses, K. A., Jun 1 2015, In : Urology. 85, 6, p. 1229-1232 4 p.

Research output: Contribution to journalArticle

Analysis of Heterogeneity in Survival Benefit of Immunotherapy in Oncology According to Patient Demographics and Performance Status: A Systematic Review and Meta-Analysis of Overall Survival Data

Butaney, M., Satkunasivam, R., Goldberg, H., Freedland, S. J., Patel, S. P., Hamid, O., Pal, S. K., Klaassen, Z. & Wallis, C. J. D., Mar 1 2020, In : American Journal of Clinical Oncology: Cancer Clinical Trials. 43, 3, p. 193-202 10 p.

Research output: Contribution to journalArticle

1 Scopus citations

Anatomy of the ilioinguinal and iliohypogastric nerves with observations of their spinal nerve contributions

Klaassen, Z., Marshall, E., Tubbs, R. S., Louis, R. G., Wartmann, C. T. & Loukas, M., May 1 2011, In : Clinical Anatomy. 24, 4, p. 454-461 8 p.

Research output: Contribution to journalArticle

59 Scopus citations
11 Scopus citations

A Novel Splice Variant of HYAL-4 Drives Malignant Transformation and Predicts Outcome in Patients with Bladder Cancer

Lokeshwar, V. B., Morera, D. S., Hasanali, S. L., Yates, T. J., Hupe, M. C., Knapp, J., Lokeshwar, S. D., Wang, J., Hennig, M. J. P., Baskar, R., Escudero, D. O., Racine, R. R., Dhir, N., Jordan, A. R., Hoye, K., Azih, I., Manoharan, M., Klaassen, Z. W. A., Kavuri, S. K., Lopez, L. E. & 2 others, Ghosh, S. & Lokeshwar, B. L., Jul 1 2020, In : Clinical cancer research : an official journal of the American Association for Cancer Research. 26, 13, p. 3455-3467 13 p.

Research output: Contribution to journalArticle

A Paratesticular Serous Borderline Tumor in a Pediatric Patient with Proteus Syndrome

Klaassen, Z., Fox, P. J., McLees, L., Zheng, M., Sharma, S., Donohoe, J. M. & Neal, D. E., Dec 1 2015, In : Urology. 86, 6, p. 1218-1221 4 p.

Research output: Contribution to journalArticle

1 Scopus citations

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., 2019, In : Canadian Urological Association Journal. 13, 9, p. E292-E299

Research output: Contribution to journalArticle

Open Access

A single surgeon's experience with open, laparoscopic, and robotic partial nephrectomy

Klaassen, Z., Kohut, R. M., Patel, D., Terris, M. K. & Madi, R., 2014, In : ISRN Urology. 2014, 430914.

Research output: Contribution to journalArticle

2 Scopus citations

Association between PD-L1 status and immune checkpoint inhibitor response in advanced malignancies: a systematic review and meta-analysis of overall survival data

Wallis, C. J. D., Lawson, K., Butaney, M., Satkunasivam, R., Parikh, J. R., Freedland, S. J., Patel, S. P., Hamid, O., Pal, S. K. & Klaassen, Z., Jul 9 2020, In : Japanese Journal of Clinical Oncology. 50, 7, p. 800-809 10 p.

Research output: Contribution to journalArticle

1 Scopus citations

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

Association of Obesity-Related Hemodilution of Prostate-Specific Antigen, Dihydrotestosterone, and Testosterone

Klaassen, Z., Howard, L. E., Moreira, D. M., Andriole, G. L., Terris, M. K. & Freedland, S. J., Apr 1 2017, In : Prostate. 77, 5, p. 466-470 5 p.

Research output: Contribution to journalArticle

9 Scopus citations

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

51 Scopus citations
24 Scopus citations

Benjamin Alcock (1801-?) and his canal

Oelhafen, K., Shayota, B. J., Muhleman, M., Klaassen, Z., Tubbs, R. S. & Loukas, M., Sep 2013, In : Clinical Anatomy. 26, 6, p. 662-666 5 p.

Research output: Contribution to journalArticle

6 Scopus citations

Beyond biology: The impact of marital status on survival of patients with adrenocortical carcinoma

Klaassen, Z., Reinstatler, L., Terris, M. K., Underwood, W. & Moses, K. A., 2015, In : International Braz J Urol. 41, 6, p. 1108-1115 8 p.

Research output: Contribution to journalArticle

1 Scopus citations

Bilateral metachronous colon cancer metastasis to kidneys: A rare case with a treatment dilemma

Klaassen, Z., Prabhakar, R., Madi, R., Bruce Shingleton, W. & Terris, M. K., Feb 1 2013, In : UroToday International Journal. 6, 1

Research output: Contribution to journalArticle

1 Scopus citations

Body mass index and comorbidity are associated with postoperative renal function after nephrectomy

Reinstatler, L., Klaassen, Z., Barrett, B., Terris, M. K. & Moses, K. A., 2015, In : International Braz J Urol. 41, 4, p. 697-704 8 p.

Research output: Contribution to journalArticle

8 Scopus citations

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

12 Scopus citations

Can post-treatment free PSA ratio be used to predict adverse outcomes in recurrent prostate cancer?

Goldberg, H., Glicksman, R., Woon, D., Hoffman, A., Shaikh, H., Chandrasekar, T., Klaassen, Z., Wallis, C. J. D., Ahmad, A. E., Sanmamed-Salgado, N., Qu, X., Moraes, F. Y., Diamandis, E. P., Berlin, A. & Fleshner, N. E., 2020, (Accepted/In press) In : BJU International.

Research output: Contribution to journalArticle

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

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

13 Scopus citations

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

4 Scopus citations

Clear cell adenocarcinoma of the prostate: A rare oncologic entity in a 42-year-old african american man

Klaassen, Z., Cleveland, C., McCraw, C. O., Burnette, J. O., Franken, A., Wilhelm, S., Kavuri, S. K., Biddinger, P. W., Terris, M. K. & Moses, K. A., Nov 1 2014, In : Urology. 84, 5, p. 997-1000 4 p.

Research output: Contribution to journalArticle

1 Scopus citations

Clinical Disparities for Minorities and Foreign-Born Men with Undescended Versus Descended Testicular Germ Cell Tumors

Klaassen, Z., Reinstatler, L., Wilson, S. N., Ellington, C., Li, Q., Terris, M. K. & Moses, K. A., Jun 1 2016, In : Clinical Genitourinary Cancer. 14, 3, p. e251-e255

Research output: Contribution to journalArticle

3 Scopus citations

Clinical-genomic Characterization Unveils More Aggressive Disease Features in Elderly Prostate Cancer Patients with Low-grade Disease

Goldberg, H., Spratt, D., Chandrasekar, T., Klaassen, Z., Wallis, C. J. D., Santiago-Jimenez, M., Fishbane, N., Davicioni, E., Noorani, R., Ahmad, A. E., Herrera Cáceres, J. O., Alibhai, S., Berlin, A. & Fleshner, N. E., Jan 1 2020, (Accepted/In press) In : European Urology Focus.

Research output: Contribution to journalArticle

Clinical outcome analysis of male and female genital burn injuries: A 15-year experience at a Level-1 Burn Center

Abel, N. J., Klaassen, Z., Mansour, E. H., Marano, M. A., Petrone, S. J., Houng, A. P. & Chamberlain, R. S., Apr 1 2012, In : International Journal of Urology. 19, 4, p. 351-358 8 p.

Research output: Contribution to journalArticle

10 Scopus citations

Clinical Parameters Outperform Molecular Subtypes for Predicting Outcome in Bladder Cancer: Results from Multiple Cohorts, Including TCGA

Morera, D. S., Hasanali, S. L., Belew, D., Ghosh, S., Klaassen, Z., Jordan, A. R., Wang, J., Terris, M. K., Bollag, R. J., Merseburger, A. S., Stenzl, A., Soloway, M. S. & Lokeshwar, V. B., Jan 1 2020, In : The Journal of urology. 203, 1, p. 62-72 11 p.

Research output: Contribution to journalArticle

5 Scopus citations

Comorbidity Is a Competing Factor for Disease Recurrence Postnephrectomy

Reinstatler, L., Klaassen, Z., Madi, R., Terris, M. K. & Moses, K. A., May 1 2017, In : Southern medical journal. 110, 5, p. 369-374 6 p.

Research output: Contribution to journalArticle

Competing Risks of Mortality among Men with Biochemical Recurrence after Radical Prostatectomy

Daskivich, T. J., Howard, L. E., Amling, C. L., Aronson, W. J., Cooperberg, M. R., Kane, C. J., Klaassen, Z. W. A., Terris, M. K. & Freedland, S. J., Sep 1 2020, In : The Journal of urology. 204, 3, p. 511-517 7 p.

Research output: Contribution to journalArticle

Complex hepatobiliary surgery in the community setting: Is it safe and feasible?

Chamberlain, R. S., Klaassen, Z. W. A. & Paragi, P. R., Sep 1 2011, In : American Journal of Surgery. 202, 3, p. 273-280 8 p.

Research output: Contribution to journalArticle

1 Scopus citations

Complex Pancreatic Surgery: Safety and Feasibility in the Community Setting

Chamberlain, R. S., Tichauer, M., Klaassen, Z. & Paragi, P. R., Jan 1 2011, In : Journal of Gastrointestinal Surgery. 15, 1, p. 184-190 7 p.

Research output: Contribution to journalArticle

8 Scopus citations

Comprehensive assessment of the morbidity of renal mass biopsy: A populationbased assessment of biopsy-related complications

Garbens, A., Wallis, C. J. D., Klaassen, Z., Saskin, R., Plumptre, L., Kodama, R., Herschorn, S. & Nam, R. K., Jul 2020, In : Canadian Urological Association Journal. 15, 2

Research output: Contribution to journalArticle

Open Access

Contemporary cost-consequence analysis of blue light cystoscopy with hexaminolevulinate in non-muscle-invasive bladder cancer

Klaassen, Z. W. A., Li, K., Kassouf, W., Black, P. C., Dragomir, A. & Kulkarni, G. S., Jun 2017, In : Canadian Urological Association Journal. 11, 6, p. 173-181 9 p.

Research output: Contribution to journalArticle

4 Scopus citations

Continent Catheterizable Vesicostomy: An Alternative Surgical Modality for Pediatric Patients with Large Bladder Capacity

Peard, L., Fox, P. J., Andrews, W. M., Chen, R., McCraw, C. O., Klaassen, Z. W. A. & Neal, D. E., Jul 1 2016, In : Urology. 93, p. 217-222 6 p.

Research output: Contribution to journalArticle

2 Scopus citations

Does larger tumor volume explain the higher prostate specific antigen levels in black men with prostate cancer-Results from the SEARCH database

Klaassen, Z., Howard, L., Terris, M. K., Aronson, W. J., Cooperberg, M. R., Amling, C. L., Kane, C. J. & Freedland, S. J., Dec 1 2015, In : Cancer Epidemiology. 39, 6, p. 1066-1070 5 p.

Research output: Contribution to journalArticle

1 Scopus citations

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

5 Scopus citations

Dr. Hugh Hampton Young's Impact on Venereal Disease During World War I: The Chaste of American Soldiers

Dmytruk, K., Klaassen, Z., Wilson, S. N., Kabaria, R., Kemper, M. W., Terris, M. K., Lewis, R. W., Neal, D. E. & Smith, A. M., Jan 1 2017, In : Urology. 99, p. 10-13 4 p.

Research output: Contribution to journalArticle

1 Scopus citations

Emerging association between androgen deprivation therapy and male meningioma: Significant expression of luteinizing hormone-releasing hormone receptor in male meningioma

Li, Q., Coulson, H., Klaassen, Z., Sharma, S., Ramalingam, P., Moses, K. A. & Terris, M. K., Dec 1 2013, In : Prostate Cancer and Prostatic Diseases. 16, 4, p. 387-390 4 p.

Research output: Contribution to journalArticle

8 Scopus citations

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

1 Scopus citations

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

1 Scopus citations

Factors associated with suicide in patients with genitourinary malignancies

Klaassen, Z., Jen, R. P., Dibianco, J. M., Reinstatler, L., Li, Q., Madi, R., Lewis, R. W., Smith, A. M., Neal, D. E., Moses, K. A. & Terris, M. K., Jun 1 2015, In : Cancer. 121, 11, p. 1864-1872 9 p.

Research output: Contribution to journalArticle

49 Scopus citations

Factors predicting skeletal-related events in patients with bone metastatic castration-resistant prostate cancer

Klaassen, Z., Howard, L. E., de Hoedt, A., Amling, C. L., Aronson, W. J., Cooperberg, M. R., Kane, C. J., Terris, M. K. & Freedland, S. J., May 1 2017, In : Cancer. 123, 9, p. 1528-1535 8 p.

Research output: Contribution to journalArticle

11 Scopus citations

Female, Black, and Unmarried Patients Are More Likely to Present With Metastatic Bladder Urothelial Carcinoma

Klaassen, Z., DiBianco, J. M., Jen, R. P., Evans, A. J., Reinstatler, L., Terris, M. K. & Madi, R., Oct 1 2016, In : Clinical Genitourinary Cancer. 14, 5, p. e489-e492

Research output: Contribution to journalArticle

6 Scopus citations

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 journalArticle

Open Access
13 Scopus citations

Frederick eugene basil foley: His life and innovations

Tatem, A. J., Klaassen, Z., Lewis, R. W. & Terris, M. K., May 2013, In : Urology. 81, 5, p. 927-931 5 p.

Research output: Contribution to journalArticle

1 Scopus citations

Gender-based psychological and physical distress differences in patients diagnosed with non-metastatic renal cell carcinoma

Ajaj, R., Cáceres, J. O. H., Berlin, A., Wallis, C. J. D., Chandrasekar, T., Klaassen, Z., Ahmad, A. E., Leao, R., Finelli, A., Fleshner, N. & Goldberg, H., Oct 1 2020, In : World Journal of Urology. 38, 10, p. 2547-2554 8 p.

Research output: Contribution to journalArticle

3 Scopus citations