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Quality of Life in Patients with High-grade Non–muscle-invasive Bladder Cancer Undergoing Standard Versus Reduced Frequency of Bacillus Calmette-Guérin Instillations : The EAU-RF NIMBUS Trial
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- van Straten, Christine G.J.I. (author)
- Radboud University Medical Center
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- Caris, Christien (author)
- European Association of Urology, Research Foundation
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- Grimm, Marc Oliver (author)
- Universitätsklinikum Jena
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- Colombel, Marc (author)
- Hôpital Edouard Herriot
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- Muilwijk, Tim (author)
- University Hospitals Leuven
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- Martínez-Piñeiro, Luis (author)
- University Hospital La Paz
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- Babjuk, Marko M. (author)
- University Hospital Motol
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- Türkeri, Levent N. (author)
- Acıbadem Mehmet Ali Aydınlar University
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- Palou, Joan (author)
- Autonomous University of Barcelona
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Patel, Anup (author)
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- Bjartell, Anders S. (author)
- Lund University,Lunds universitet,Avdelningen för translationell cancerforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Urologisk cancerforskning, Malmö,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Division of Translational Cancer Research,Department of Laboratory Medicine,Faculty of Medicine,Urological cancer, Malmö,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Skåne University Hospital
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- Witjes, Wim P.J. (author)
- European Association of Urology, Research Foundation
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- van der Heijden, Antoine G. (author)
- Radboud University Medical Center
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- Kiemeney, Lambertus A.L.M. (author)
- Radboud University Medical Center
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(creator_code:org_t)
- 2023
- 2023
- English 10 s.
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In: European Urology Open Science. - 2666-1691. ; 56, s. 15-24
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Abstract
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- Background: Adverse events induced by intravesical bacillus Calmette-Guérin (BCG) to treat high-grade non–muscle-invasive bladder cancer (NMIBC) often lead to treatment discontinuation. The EAU-RF NIMBUS trial found a reduced number of standard-dose BCG instillations to be inferior with the standard regimen. Nonetheless, it remains important to evaluate whether patients in the reduced BCG treatment arm had better quality of life (QoL) due to a possible reduction in toxicity or burden. Objective: To evaluate whether patients in the EAU-RF NIMBUS trial experienced better QoL after a reduced BCG instillation frequency. Design, setting, and participants: A total of 359 patients from 51 European sites were randomized to one of two treatment arms between December 2013 and July 2019. The standard frequency arm (n = 182) was 6 weeks of BCG induction followed by 3 weeks of maintenance at months 3, 6, and 12. The reduced frequency arm (n = 177) was BCG induction at weeks 1, 2, and 6, followed by maintenance instillations at weeks 1 and 3 of months 3, 6, and 12. Outcome measurements and statistical analysis: Analyses were performed using an intention-to-treat analysis and a per-protocol analysis. QoL was measured using the European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Core 30 version 3.0 (QLQ-C30 v.03) prior to the first and last instillations of each BCG cycle. Group differences were determined using linear regression corrected for QoL at baseline. Differences in QoL over time were tested for significance using a linear mixed model. Side effects were recorded by the treating physician using a standardized form. Chi-square tests were used to compare the side-effect frequency between the arms. Results and limitations: There were no significant differences in the means of each QoL scale between the two arms. There were also no significant changes over time in all QoL domains for both arms. However, differences in the incidence of general malaise at T1 (before the last induction instillation), frequency, urgency, and dysuria at T7 (before the last maintenance instillation) were detected in favor of the reduced frequency arm. Conclusions: Reducing the BCG instillation frequency does not improve the QoL in NMIBC patients despite lower storage symptoms. Patient summary: In this study, we evaluated whether a reduction in the number of received bacillus Calmette-Guérin instillations led to better quality of life in patients with high-grade non–muscle-invasive bladder cancer. We found no difference in the quality of life between the standard and the reduced bacillus Calmette-Guérin instillation frequency. We conclude that reducing the number of instillations does not lead to better quality of life in patients with high-grade non–muscle-invasive bladder cancer.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Urologi och njurmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Urology and Nephrology (hsv//eng)
Keyword
- Bacillus Calmette-Guérin
- Bladder cancer
- High-grade non–muscle-invasive bladder cancer
- Quality of life
Publication and Content Type
- art (subject category)
- ref (subject category)
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van Straten, Chr ...
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Caris, Christien
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Grimm, Marc Oliv ...
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Colombel, Marc
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Muilwijk, Tim
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Martínez-Piñeiro ...
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Babjuk, Marko M.
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Türkeri, Levent ...
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Palou, Joan
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Patel, Anup
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Bjartell, Anders ...
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Witjes, Wim P.J.
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van der Heijden, ...
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Kiemeney, Lamber ...
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European Urology ...
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Lund University