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. 2022 Feb;207(2):293-301.
doi: 10.1097/JU.0000000000002233. Epub 2021 Sep 23.

Ranking Important Factors for Using Postoperative Chemotherapy in Nonmuscle Invasive Bladder Cancer: Conjoint Analysis Results From the Michigan Urological Surgery Improvement Collaborative (MUSIC)

Clint Cary  1   2 , Yan Tong  3 , Susan Linsell  4 , Khurshid Ghani  4 , David C Miller  4 , Michael Weiner  2   5 , Michael O Koch  1 , Susan M Perkins  3 , Gregory Zimet  6
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Ranking Important Factors for Using Postoperative Chemotherapy in Nonmuscle Invasive Bladder Cancer: Conjoint Analysis Results From the Michigan Urological Surgery Improvement Collaborative (MUSIC)

Clint Cary et al. J Urol. 2022 Feb.

Abstract

Purpose: National and international guidelines recommend the use of 1 dose of intravesical chemotherapy immediately following surgery for nonmuscle invasive bladder cancer, which is performed infrequently on a population level. We sought to understand the importance of potential environmental and clinical dimensions involved in the decision to offer this therapy.

Materials and methods: Urologists from the Michigan Urological Surgery Improvement Collaborative (MUSIC) rated 8 distinct clinical vignettes involving patients with nonmuscle invasive bladder cancer. A ratings-based conjoint analysis method was used to evaluate the clinical vignette responses. Each vignette included 4 clinical dimensions and 2 environmental dimensions, with each dimension consisting of 2 possible attributes. The relative importance of each attribute was derived from the regression model and ranked in order.

Results: A total of 58 urologists answered the clinical vignettes which represents >75% of MUSIC sites. The median age of urologists was 53, most were male, and median years in practice was 20 years post residency. An environmental attribute, having a recovery room protocol for instilling and disposing of the chemotherapy, ranked as the most influential attribute for giving postoperative chemotherapy (utility=8.6). The clinical attribute yielding the strongest preference for giving chemotherapy was tumor grade (utility=4.9). These preferences varied by different subgroups of urologists, particularly regarding the type of practice a urologist was in.

Conclusions: This study demonstrates that urologists have clear preferences for when they offer postoperative immediate chemotherapy. Factors beyond just clinical variables play a role in this decision making process such as the structure of the recovery room.

Keywords: drug therapy; urinary bladder neoplasms.

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Figures

Figure 1.
Figure 1.
Part-worth utility scores.
Figure 2.
Figure 2.
Importance score rankings for subgroups Fellowship Training (A), Years Since Residency (B) and Practice Type (C).
See this image and copyright information in PMC

Comment in

  • Editorial Comment.
    Tan HJ. Tan HJ. J Urol. 2022 Feb;207(2):300-301. doi: 10.1097/JU.0000000000002233.02. Epub 2021 Oct 25. J Urol. 2022. PMID: 34689604 No abstract available.
  • Editorial Comment.
    Jacob JM. Jacob JM. J Urol. 2022 Feb;207(2):300. doi: 10.1097/JU.0000000000002233.01. Epub 2021 Oct 25. J Urol. 2022. PMID: 34689606 No abstract available.

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