Validation of a drug-based score in advanced urothelial carcinoma treated with pembrolizumab

Author:

Taguchi Satoru12ORCID,Kawai Taketo13ORCID,Buti Sebastiano4ORCID,Bersanelli Melissa5ORCID,Uemura Yukari6ORCID,Kishitani Kenjiro1,Miyakawa Jimpei12,Sugimoto Kazuma2,Nakamura Yu2,Niimi Fusako3,Kaneko Tomoyuki3ORCID,Kamei Jun7ORCID,Obinata Daisuke8,Yamaguchi Kenya8,Kakutani Shigenori9,Kanazawa Koichiro10,Sugihara Yuriko10,Tokunaga Mayuko10,Akiyama Yoshiyuki1ORCID,Yamada Yuta1ORCID,Sato Yusuke1,Yamada Daisuke1ORCID,Enomoto Yutaka9,Nishimatsu Hiroaki10,Fujimura Tetsuya7,Fukuhara Hiroshi2ORCID,Nakagawa Tohru3ORCID,Takahashi Satoru8,Kume Haruki1

Affiliation:

1. Department of Urology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan

2. Department of Urology, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka-shi, Tokyo, 181-8611, Japan

3. Department of Urology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo, 173-8605, Japan

4. Medicine & Surgery Department, University of Parma, Via Gramsci 14, Parma, 43126, Italy

5. Medical Oncology Unit, University Hospital of Parma, Via Gramsci 14, Parma, 43126, Italy

6. Biostatistics Section, Department of Data Science, Center of Clinical Sciences, National Center for Global Health & Medicine, 1-21-1 Toyama, Shinjuku-ku, Tokyo, 162-8655, Japan

7. Department of Urology, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke-shi, Tochigi, 329-0498, Japan

8. Department of Urology, Nihon University School of Medicine, 30-1 Oyaguchi Kami-cho, Itabashi-ku, Tokyo, 173-8610, Japan

9. Division of Urology, Mitsui Memorial Hospital, 1 Kanda-izumi-cho, Chiyoda-ku, Tokyo, 101-8643, Japan

10. Department of Urology, The Fraternity Memorial Hospital, 2-1-11 Yokozuna, Sumida-ku, Tokyo, 130-8587, Japan

Abstract

Aim: To validate a ‘drug score’ that stratifies patients receiving immunotherapy based on concomitant medications (antibiotics/proton pump inhibitors/corticosteroids) in urothelial carcinoma (UC). Materials & methods: We assessed oncological outcomes according to the drug score in 242 patients with advanced UC treated with pembrolizumab. Results: The drug score classified patients into three risk groups with significantly different survivals. Heterogeneous treatment effect analyses showed that the primary cancer site (bladder UC [BUC] or upper-tract UC [UTUC]) significantly affected the prognostic capability of the drug score; it significantly correlated with survivals in BUC, while there were no such correlations in UTUC. Conclusion: A drug score was examined in advanced UC treated with pembrolizumab and was validated in BUC but not in UTUC.

Publisher

Future Medicine Ltd

Subject

Oncology,Immunology,Immunology and Allergy

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