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4. Examining the Association Between the COVID-19 Pandemic and the Rate of Diagnostic Tests for Breast, Cervical, and Colorectal Cancer in Manitoba, Canada.

Author

Decker, Kathleen M., Musto, Grace, Bucher, Oliver, Czaykowski, Piotr, Hebbard, Pamela, Kim, Julian O., Singh, Harminder, Thiessen, Maclean, Feely, Allison, Galloway, Katie, and Lambert, Pascal

Subjects
BREAST, COVID-19 pandemic, DIAGNOSIS methods, COLORECTAL cancer, BREAST ultrasound, TIME series analysis
Abstract

Background: Strategies to minimize the impact of the COVID-19 pandemic led to a reduction in diagnostic testing. It is important to assess the magnitude and duration of this impact to plan ongoing care and avoid long-lasting impacts of the pandemic. Objective: We examined the association between the COVID-19 pandemic and the rate of diagnostic tests for breast, cervical, and colorectal cancer in Manitoba, Canada. Design and Participants: A population-based, cross-sectional study design with an interrupted time series analysis was used that included diagnostic tests from January 1, 2015 until August 31, 2022. Setting: Manitoba, Canada. Main Outcomes: Outcomes included mammogram, breast ultrasound, colposcopy, and colonoscopy rates per 100,000. Cumulative and percent cumulative differences between the fitted and counterfactual number of tests were estimated. Mean, median, and 90th percentile number of days from referral to colonoscopy date by referral type (elective, semiurgent, urgent) were determined. Results: In April 2020, following the declaration of the COVID-19 public health emergency, bilateral mammograms decreased by 77%, unilateral mammograms by 70%, breast ultrasounds by 53%, colposcopies by 63%, and colonoscopies by 75%. In Winnipeg (the largest urban center in the province), elective and semiurgent colonoscopies decreased by 76% and 39%, respectively. There was no decrease in urgent colonoscopies. As of August 2022, there were an estimated 7270 (10.7%) fewer bilateral mammograms, 2722 (14.8%) fewer breast ultrasounds, 836 (3.3%) fewer colposcopies, and 11 600 (13.8%) fewer colonoscopies than expected in the absence of COVID-19. As of December 2022, in Winnipeg, there were an estimated 6030 (23.9%) fewer elective colonoscopies, 313 (2.6%) fewer semiurgent colonoscopies, and 438 (27.3%) more urgent colonoscopies. Conclusions: In Manitoba, the COVID-19 pandemic was associated with sizable decreases in diagnostic tests for breast, colorectal, and cervical cancer. Two and a half years later, there remained large cumulative deficits in bilateral mammograms, breast ultrasounds, and colonoscopies. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Cancer incidence during the COVID‐19 pandemic by region of residence in Manitoba, Canada: A cancer registry‐based interrupted time series study

Author

Decker, Kathleen M., primary, Feely, Allison, additional, Bucher, Oliver, additional, Czaykowski, Piotr, additional, Hebbard, Pamela, additional, Kim, Julian O., additional, Singh, Harminder, additional, Thiessen, Maclean, additional, Pitz, Marshall, additional, Musto, Grace, additional, Galloway, Katie, additional, and Lambert, Pascal, additional

Published
2023
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8. New Cancer Diagnoses Before and During the COVID-19 Pandemic

Author

Decker, Kathleen M., primary, Feely, Allison, additional, Bucher, Oliver, additional, Czaykowski, Piotr, additional, Hebbard, Pamela, additional, Kim, Julian O., additional, Pitz, Marshall, additional, Singh, Harminder, additional, Thiessen, Maclean, additional, and Lambert, Pascal, additional

Published
2023
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9. Evaluation of the Impact of the Urgent Cancer Care Clinic on Emergency Department Visits, Primary Care Clinician Visits, and Hospitalizations in Winnipeg, Manitoba

Author

Galloway, Katie, primary, Lambert, Pascal, additional, Bow, Eric J., additional, Czaykowski, Piotr, additional, Fatoye, Tunji, additional, Goldenberg, Benjamin, additional, Kristjanson, Mark, additional, Singh, Harminder, additional, Bucher, Oliver, additional, and Decker, Kathleen, additional

Published
2023
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13. Canadian Urological Association consensus guideline: Management of testicular germ cell cancer

Author

Hamilton, Robert J., Canil, Christina, Shrem, Noa Shani, Kuhathaas, Kopika, Jiang, Maria (Di), Chung, Peter, North, Scott, Czaykowski, Piotr, Hotte, Sebastien, Winquist, Eric, Kollmannsberger, Christian, Aprikian, Armen, Soulières, Denis, Tyldesley, Scott, So, Alan I., Power, Nicholas, Rendon, Ricardo A., O’Malley, Martin, Wood, Lori, and Jewett, Michael A.S.

Subjects
Oncology, Urology, CUA Guideline
Published
2022

14. Randomized Phase II Trial of Sapanisertib ± TAK-117 vs. Everolimus in Patients With Advanced Renal Cell Carcinoma After VEGF-Targeted Therapy

Author

Choueiri, Toni K, primary, Porta, Camillo, additional, Suárez, Cristina, additional, Hainsworth, John, additional, Voog, Eric, additional, Duran, Ignacio, additional, Reeves, James, additional, Czaykowski, Piotr, additional, Castellano, Daniel, additional, Chen, Jingjing, additional, Sedarati, Farhad, additional, and Powles, Thomas, additional

Published
2022
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15. Impact of Cancer-Related Virtual Visits on Travel Distance, Travel Time, and Carbon Dioxide (CO 2) Emissions during the COVID-19 Pandemic in Manitoba, Canada.

Author

Lambert, Pascal, Musto, Grace, Thiessen, Maclean, Czaykowski, Piotr, and Decker, Kathleen

Subjects
TRAVEL time (Traffic engineering), COVID-19 pandemic, GREENHOUSE gas mitigation, CARBON dioxide, GREENHOUSE gases
Abstract

CancerCare Manitoba (CCMB) introduced virtual visits at the beginning of the COVID-19 pandemic to replace many in-person visits. This study examines the impact of virtual visits for cancer care on travel distance, travel time, and carbon dioxide (CO2) emissions. We included all visits to CCMB for invasive and in situ cancers from 1 April 2020 to 31 December 2022. Data were extracted from CCMB's electronic health record. The percentage of visits done virtually by month was reported by age, gender, cancer diagnosis, and regional health authority of residence. Postal codes for patients' residences and clinic locations were converted into latitude and longitude values. Travel distance, travel time, and CO2 emissions associated with travel were estimated. The percentage of virtual visits was highest during the months when COVID-19 restrictions were present in Manitoba and represent more than 50% of such monthly visits. Virtual visits increased with age, were highest among men with urogenital cancer, and were lowest among northern Manitoba residents. The median travel time per visit ranged from 30 min in Winnipeg to 15 h in the Northern Region. The estimated travel distance saved varied from 420,000 to 750,000 km per month. Estimated travel time saved varied from 5500 to 9600 h per month. Estimated CO2 emissions prevented varied from 87 to 155 metric tons per month. Virtual care is an important tool for better supporting those living with cancer by substantially decreasing travel distance and time. Virtual care also contributes to reducing greenhouse gas emissions. [ABSTRACT FROM AUTHOR]

Published
2023
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16. Testicular cancer survivorship: Long-term toxicity and management

Author

Shrem, Noa Shani, primary, Wood, Lori, additional, Hamilton, Robert J., additional, Kuhathaas, Kopika, additional, Czaykowski, Piotr, additional, Roberts, Matthew, additional, Matthew, Andrew, additional, Izard, Jason, additional, Chung, Peter, additional, Nappi, Lucia, additional, Jones, Jennifer, additional, Soulières, Denis, additional, Aprikian, Armen, additional, Power, Nicholas, additional, and Canil, Christina, additional

Published
2022
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18. Stereotactic Radiotherapy for Oligoprogression in Metastatic Renal Cell Cancer Patients Receiving Tyrosine Kinase Inhibitor Therapy: A Phase 2 Prospective Multicenter Study

Author

Cheung, Patrick, primary, Patel, Samir, additional, North, Scott A., additional, Sahgal, Arjun, additional, Chu, William, additional, Soliman, Hany, additional, Ahmad, Belal, additional, Winquist, Eric, additional, Niazi, Tamim, additional, Patenaude, Francois, additional, Lim, Gerald, additional, Heng, Daniel Yick Chin, additional, Dubey, Arbind, additional, Czaykowski, Piotr, additional, Wong, Rebecca K.S., additional, Swaminath, Anand, additional, Morgan, Scott C., additional, Mangat, Rupi, additional, Keshavarzi, Sareh, additional, and Bjarnason, Georg A., additional

Published
2021
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27. Current Management of Localized Muscle-Invasive Bladder Cancer: A Consensus Guideline from the Genitourinary Medical Oncologists of Canada

Author

Jiang, Di Maria, primary, North, Scott A., additional, Canil, Christina, additional, Kolinsky, Michael, additional, Wood, Lori A., additional, Gray, Samantha, additional, Eigl, Bernhard J., additional, Basappa, Naveen S., additional, Blais, Normand, additional, Winquist, Eric, additional, Mukherjee, Som D., additional, Booth, Christopher M., additional, Alimohamed, Nimira S., additional, Czaykowski, Piotr, additional, Kulkarni, Girish S., additional, Black, Peter C., additional, Chung, Peter W., additional, Kassouf, Wassim, additional, van der Kwast, Theodorus, additional, and Sridhar, Srikala S., additional

Published
2020
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28. 9: A Phase Ii Multicentre Trial of Stereotactic Radiotherapy for Oligoprogression in Metastatic Kidney Cancer Patients Receiving Tyrosine Kinase Inhibitor Therapy

Author

Cheung, Patrick, primary, Patel, Samir, additional, North, Scott, additional, Sahgal, Arjun, additional, Chu, William, additional, Soliman, Hany, additional, Ahmad, Belal, additional, Winquist, Eric, additional, Niazi, Tamim, additional, Patenaude, Francois, additional, Lim, Gerald, additional, Heng, Daniel, additional, Dubey, Arbind, additional, Czaykowski, Piotr, additional, Wong, Rebecca, additional, Swaminath, Anand, additional, Morgan, Scott, additional, White, Justin, additional, Keshavarzi, Sareh, additional, and Bjarnason, Georg, additional

Published
2020
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29. A phase II multicenter study of stereotactic radiotherapy (SRT) for oligoprogression in metastatic renal cell cancer (mRCC) patients receiving tyrosine kinase inhibitor (TKI) therapy.

Author

Cheung, Patrick, primary, Patel, Samir, additional, North, Scott A., additional, Sahgal, Arjun, additional, Chu, William, additional, Soliman, Hany, additional, Ahmad, Belal, additional, Winquist, Eric, additional, Patenaude, Francois, additional, Niazi, Tamim, additional, Heng, Daniel Yick Chin, additional, Lim, Gerald, additional, Dubey, Arbind, additional, Czaykowski, Piotr, additional, Wong, Rebecca, additional, Swaminath, Anand, additional, Morgan, Scott Carlyle, additional, White, Justin, additional, Keshavarzi, Sareh, additional, and Bjarnason, Georg A., additional

Published
2020
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31. Prioritizing systemic therapies for genitourinary malignancies: Canadian recommendations during the COVID-19 pandemic

Author

Lalani, Aly-Khan A., primary, Chi, Kim N., additional, Heng, Daniel Y.C., additional, Kollmannsberger, Christian K., additional, Sridhar, Srikala S., additional, Blais, Normand, additional, Canil, Christina, additional, Czaykowski, Piotr, additional, Hotte, Sebastien J., additional, Iqbal, Nayyer, additional, Soulières, Denis, additional, Bossé, Dominick, additional, Alimohamed, Nimira S., additional, Basappa, Naveen S., additional, Mukherjee, Som D., additional, Winquist, Eric, additional, Wood, Lori A., additional, and North, Scott A., additional

Published
2020
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34. Management of Advanced Kidney Cancer: Kidney Cancer Research Network of Canada (KCRNC) consensus update 2019

Author

Hotte, Sebastien J., primary, Kapoor, Anil, additional, Basappa, Naveen S., additional, Bjarnason, Georg, additional, Canil, Christina, additional, Conter, Henry J., additional, Czaykowski, Piotr, additional, Graham, Jeffrey, additional, Gray, Samantha, additional, Heng, Daniel Y. C., additional, Karakiewicz, Pierre I., additional, Kollmannsberger, Christian, additional, Lalani, Aly-Khan A., additional, North, Scott A., additional, Patenaude, François, additional, Soulières, Denis, additional, Violette, Phillippe, additional, Winquist, Eric, additional, Wood, Lori A., additional, Dudani, Shaan, additional, Maloni, Ranjena, additional, and Reaume, M. Neil, additional

Published
2019
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35. Canadian Urological Association/Genitourinary Medical Oncologists of Canada consensus statement: Management of unresectable locally advanced and metastatic urothelial carcinoma

Author

Warren, Mark, primary, Kolinsky, Michael, additional, Canil, Christina M., additional, Czaykowski, Piotr, additional, Sridhar, Srikala S., additional, Black, Peter C., additional, Booth, Christopher M., additional, Kassouf, Wassim, additional, Eapen, Libni, additional, Mukherjee, Som D., additional, Blais, Normand, additional, Eigl, Bernhard J., additional, Winquist, Eric, additional, Basappa, Naveen S., additional, and North, Scott A., additional

Published
2019
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36. Role of renin-angiotensin system antagonists in the prevention of bevacizumab- and sunitinib-mediated cardiac dysfunction

Author

Mozolevska, Viktoriya, primary, Schwartz, Anna, additional, Cheung, David, additional, Goyal, Vineet, additional, Shaikh, Bilal, additional, Dingman, Bella, additional, Kim, Esther, additional, Mittal, Ishika, additional, Asselin, Chantal Y., additional, Edel, Andrea, additional, Ravandi, Amir, additional, Thliveris, James, additional, Singal, Pawan K., additional, Czaykowski, Piotr, additional, and Jassal, Davinder S., additional

Published
2019
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37. The efficacy and safety of sunitinib given on an individualised schedule as first-line therapy for metastatic renal cell carcinoma: A phase 2 clinical trial

Author

Bjarnason, Georg A., primary, Knox, Jennifer J., additional, Kollmannsberger, Christian K., additional, Soulieres, Denis, additional, Ernst, D. Scott, additional, Zalewski, Pawel, additional, Canil, Christina M., additional, Winquist, Eric, additional, Hotte, Sebastien J., additional, North, Scott A., additional, Heng, Daniel Yick Chin, additional, Macfarlane, Robyn Jane, additional, Venner, Peter M., additional, Kapoor, Anil, additional, Hansen, Aaron R., additional, Eigl, Bernhard J., additional, Czaykowski, Piotr, additional, Boyd, Ben, additional, Wang, Lisa, additional, and Basappa, Naveen S., additional

Published
2019
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38. Dairy product consumption and development of cancer: an overview of reviews

Author

Jeyaraman, Maya M, primary, Abou-Setta, Ahmed M, additional, Grant, Laurel, additional, Farshidfar, Farnaz, additional, Copstein, Leslie, additional, Lys, Justin, additional, Gottschalk, Tania, additional, Desautels, Danielle, additional, Czaykowski, Piotr, additional, Pitz, Marshall, additional, and Zarychanski, Ryan, additional

Published
2019
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40. Management of Germ Cell Tumors During the Outbreak of the Novel Coronavirus Disease‐19 Pandemic: A Survey of International Expertise Centers.

Author

Nappi, Lucia, Ottaviano, Margaret, Rescigno, Pasquale, Tortora, Marianna, Banna, Giuseppe L., Baciarello, Giulia, Basso, Umberto, Canil, Christina, Cavo, Alessia, Cossu Rocca, Maria, Czaykowski, Piotr, De Giorgi, Ugo, Garcia del Muro, Xavier, Di Napoli, Marilena, Fornarini, Giuseppe, Gietema, Jourik A., Heng, Daniel Y.C., Hotte, Sebastien J., Kollmannsberger, Christian, and Maruzzo, Marco

Subjects
EMERGENCY medicine, EPIDEMICS, SURVEYS, DISEASE management, DATA analysis software, DESCRIPTIVE statistics, GERMINOMA, COVID-19 pandemic
Abstract

Background: The coronavirus disease 2019 (COVID‐19) pandemic has become a public health emergency affecting frail populations, including patients with cancer. This poses the question of whether cancer treatments can be postponed or modified without compromising their efficacy, especially for highly curable cancers such as germ cell tumors (GCTs). Materials and Methods: To depict the state‐of‐the‐art management of GCTs during the COVID‐19 pandemic, a survey including 26 questions was circulated by e‐mail among the physicians belonging to three cooperative groups: (a) Italian Germ Cell Cancer Group; (b) European Reference Network–Rare Adult Solid Cancers, Domain G3 (rare male genitourinary cancers); and (c) Genitourinary Medical Oncologists of Canada. Percentages of agreement between Italian respondents (I) versus Canadian respondents (C), I versus European respondents (E), and E versus C were compared by using Fisher's exact tests for dichotomous answers and chi square test for trends for the questions with three or more options. Results: Fifty‐three GCT experts responded to the survey: 20 Italian, 6 in other European countries, and 27 from Canada. Telemedicine was broadly used; there was high consensus to interrupt chemotherapy in COVID‐19–positive patients (I = 75%, C = 55%, and E = 83.3%) and for use of granulocyte colony‐stimulating factor primary prophylaxis for neutropenia (I = 65%, C = 62.9%, and E = 50%). The main differences emerged regarding the management of stage I and stage IIA disease, likely because of cultural and geographical differences. Conclusion: Our study highlights the common efforts of GCT experts in Europe and Canada to maintain high standards of treatment for patients with GCT with few changes in their management during the COVID‐19 pandemic. Implications for Practice: Despite the chaos, disruptions, and fears fomented by the COVID‐19 illness, oncology care teams in Italy, other European countries, and Canada are delivering the enormous promise of curative management strategies for patients with testicular cancer and other germ cell tumors. At the same time, these teams are applying safe and innovative solutions and sharing best practices to minimize frequency and intensity of patient contacts with thinly stretched health care capacity. This article focuses on state‐of‐the‐art management of testicular germ cell tumors during the COVID‐19 pandemic, highlighting different approaches based on the pandemic experience in each individual country. [ABSTRACT FROM AUTHOR]

Published
2020
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42. The effect of statin use on the incidence of prostate cancer: a population-based nested case-control study

Author

Czaykowski, Piotr (Community Health Sciences) Jassal, Davinder (Internal Medicine), Mahmud, Salaheddin (Community Health Sciences), Dawe, David, Czaykowski, Piotr (Community Health Sciences) Jassal, Davinder (Internal Medicine), Mahmud, Salaheddin (Community Health Sciences), and Dawe, David

Abstract

Literature review revealed a compelling pre-clinical rationale for statins as chemopreventive agents for prostate cancer (PC). However, epidemiological literature results vary widely. We completed a nested case-control study investigating the impact of statin use on PC diagnosis using data from men aged >=40 years in Saskatchewan between 1990-2010. Drug exposure histories were derived from a population-based prescription drug database. We used conditional logistic regression to model use of statins. 12,745 cases of PC were risk-set matched on age and geographic location to 50,979 controls. 2064 (16.2%) cases and 7956 (15.6%) controls were dispensed one or more statin prescriptions. In multivariable models, ever prescription of statins was not associated with PC diagnosis (OR 0.97; 95% CI 0.90-1.05). Diagnosis of clinically significant PC decreased with statin use (OR 0.84, 95% CI 0.73-0.97). Statin use is not associated with PC risk, but is associated with a decreased risk of clinically significant PC.

Published
2017

43. Phase II study of individualized sunitinib (SUN) as first-line therapy for metastatic renal cell cancer.

Author

Bjarnason, Georg A., primary, Knox, Jennifer J., additional, Kollmannsberger, Christian K., additional, Soulieres, Denis, additional, Ernst, D. Scott, additional, Zalewski, Pawel, additional, Canil, Christina M., additional, Winquist, Eric, additional, Hotte, Sebastien J., additional, North, Scott A., additional, Heng, Daniel Yick Chin, additional, Macfarlane, Robyn Jane, additional, Venner, Peter M., additional, Kapoor, Anil, additional, Hansen, Aaron Richard, additional, Eigl, Bernhard J., additional, Czaykowski, Piotr, additional, Boyd, Ben, additional, Wang, Lisa, additional, and Basappa, Naveen S., additional

Published
2017
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44. First-line sunitinib or pazopanib in metastatic renal cell carcinoma: The Canadian experience

Author

Lalani, Aly-Khan A., primary, Li, Haocheng, additional, Heng, Daniel Y.C., additional, Wood, Lori, additional, Kalirai, Austin, additional, Bjarnason, Georg A., additional, Sim, Hao-Wen, additional, Kollmannsberger, Christian K., additional, Kapoor, Anil, additional, Hotte, Sebastien J., additional, Vanhuyse, Marie, additional, Czaykowski, Piotr, additional, Reaume, M. Neil, additional, Soulieres, Denis, additional, Venner, Peter, additional, North, Scott, additional, and Basappa, Naveen S., additional

Published
2017
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45. Individualized treatment with sunitinib versus standard dosing with sunitinib or pazopanib in patients with metastatic renal cell carcinoma (mRCC): Results from the Canadian Kidney Cancer information system (CKCis).

Author

Basappa, Naveen S., primary, Lalani, Aly-Khan A., additional, Li, Haocheng, additional, Kalirai, Austin, additional, Wood, Lori, additional, Kollmannsberger, Christian K., additional, Sim, Hao-Wen, additional, Kapoor, Anil, additional, Hotte, Sebastien J., additional, Czaykowski, Piotr, additional, Canil, Christina M., additional, Reaume, M. Neil, additional, Bjarnason, Georg A., additional, Vanhuyse, Marie, additional, Soulieres, Denis, additional, Levesque, Eric, additional, North, Scott A., additional, and Heng, Daniel Yick Chin, additional

Published
2017
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46. The Role of Consolidation in Reduced Intensity Transplantation for Acute Myeloid Leukemia

Author

Czaykowski, Piotr (Internal Medicine) Mahmud, Salah (Community Health Sciences) Eapen, Mary (Medical College of Wisconsin), Turner, Donna (Community Health Sciences), Paulson, Charles, Czaykowski, Piotr (Internal Medicine) Mahmud, Salah (Community Health Sciences) Eapen, Mary (Medical College of Wisconsin), Turner, Donna (Community Health Sciences), and Paulson, Charles

Abstract

We sought to understand whether giving patients additional consolidation chemotherapy prior to transplant might be an effective tool to reduce the risk of relapse after transplant through the use of a large retrospective database. A theoretical framework was developed based on previous publications to help guide the project. Potential confounding variables from the database were identified using this theoretical framework. Patients who received consolidation chemotherapy prior to transplant were compared to patients who did not receive consolidation chemotherapy. After multivariate analysis, there was no difference in overall survival between groups. This study suggests that clinicians should not routinely administer consolidation chemotherapy with the aim of reducing relapse rates and improving outcomes after transplant

Published
2016

47. Efficacy, quality of life, and safety of cabazitaxel in Canadian metastatic castration-resistant prostate cancer patients treated or not with prior abiraterone

Author

Saad, Fred, primary, Winquist, Eric, additional, Hubay, Stacey, additional, Berry, Scott, additional, Assi, Hussein, additional, Levesque, Eric, additional, Aucoin, Nathalie, additional, Czaykowski, Piotr, additional, Lattouf, Jean-Baptiste, additional, Alloul, Karine, additional, Stewart, John, additional, and Sridhar, Srikala S., additional

Published
2016
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48. Metastatic signet ring cell adenocarcinoma of the bladder: responsive to treatment?

Author

Singh, Jessica, Zherebitskiy, Viktor, Grynspan, David, and Czaykowski, Piotr Marek

Subjects
Case Report, digestive system diseases
Abstract

Signet ring cell variant of mucinous adenocarcinoma of the urinary bladder is an exceptionally rare urologic malignancy, generally felt to be resistant to chemotherapy and radiotherapy. We describe a case of this malignancy with unusual sites of metastasis and an unexpectedly good response to treatment.

Published
2012

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