Combination of radiation and immunotherapy in the treatment of genitourinary malignancies : A systematic review and meta-analysis
Copyright © 2022 Elsevier Inc. All rights reserved..
BACKGROUND: Due to possible synergistic effects, the combination of radiation therapy (RT) and immune checkpoint inhibitors (ICI) represents an interesting therapeutic option. An increasing number of clinical trials are ongoing to investigate this combination in genitourinary malignancies and the first results are available.
OBJECTIVES: To review and summarize available data on the combination of RT and ICI in genitourinary malignancies and update the evidence for this potential therapeutic approach.
EVIDENCE ACQUISITION: A study protocol was registered in the PROSPERO-Database. Terms of search were prostate cancer, bladder cancer, renal cell carcinoma, penile cancer, testicular cancer, radiotherapy, and immunotherapy in multiple literature databases and study registers. Clinical studies reporting on the combination treatment of RT and ICI were included. A systematic review of ongoing trials according to the PRISMA statement and a meta-analysis of available trials were performed.
EVIDENCE SYNTHESIS: Overall, 43 studies met the inclusion criteria examining the therapeutic effect of combined RT and ICI. For bladder cancer, renal cell carcinoma, prostate cancer, and penile cancer 28, 9, 5, and 1 trial could be identified, respectively. No study was found for testicular cancer. Three phases III trials were identified, all other trials were phase I or II. Twelve studies have been completed so far. The meta-analysis of available data indicates comparable toxicity of RT plus ICI vs. ICI alone for grade 3/4 AEs. Mature efficacy data is limited with interesting early results.
CONCLUSION: This article reviews the clinical trial landscape investigating RT and ICI in genitourinary malignancies. It provides an overview of ongoing trials and discusses available results. Actual data regarding efficacy is limited, while toxicities seem comparable to ICI alone. Especially in bladder and kidney cancer, further trial results might impact on the clinical use of the combination therapy.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:41 |
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| Enthalten in: |
Urologic oncology - 41(2023), 5 vom: 01. Mai, Seite 219-232 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Maisch, Philipp [VerfasserIn] |
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| Links: |
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| Themen: |
Genitourinary malignancies |
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| Anmerkungen: |
Date Completed 19.05.2023 Date Revised 25.06.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.urolonc.2022.10.009 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM348861486 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 Elsevier Inc. All rights reserved. | ||
| 520 | |a BACKGROUND: Due to possible synergistic effects, the combination of radiation therapy (RT) and immune checkpoint inhibitors (ICI) represents an interesting therapeutic option. An increasing number of clinical trials are ongoing to investigate this combination in genitourinary malignancies and the first results are available | ||
| 520 | |a OBJECTIVES: To review and summarize available data on the combination of RT and ICI in genitourinary malignancies and update the evidence for this potential therapeutic approach | ||
| 520 | |a EVIDENCE ACQUISITION: A study protocol was registered in the PROSPERO-Database. Terms of search were prostate cancer, bladder cancer, renal cell carcinoma, penile cancer, testicular cancer, radiotherapy, and immunotherapy in multiple literature databases and study registers. Clinical studies reporting on the combination treatment of RT and ICI were included. A systematic review of ongoing trials according to the PRISMA statement and a meta-analysis of available trials were performed | ||
| 520 | |a EVIDENCE SYNTHESIS: Overall, 43 studies met the inclusion criteria examining the therapeutic effect of combined RT and ICI. For bladder cancer, renal cell carcinoma, prostate cancer, and penile cancer 28, 9, 5, and 1 trial could be identified, respectively. No study was found for testicular cancer. Three phases III trials were identified, all other trials were phase I or II. Twelve studies have been completed so far. The meta-analysis of available data indicates comparable toxicity of RT plus ICI vs. ICI alone for grade 3/4 AEs. Mature efficacy data is limited with interesting early results | ||
| 520 | |a CONCLUSION: This article reviews the clinical trial landscape investigating RT and ICI in genitourinary malignancies. It provides an overview of ongoing trials and discusses available results. Actual data regarding efficacy is limited, while toxicities seem comparable to ICI alone. Especially in bladder and kidney cancer, further trial results might impact on the clinical use of the combination therapy | ||
| 650 | 4 | |a Meta-Analysis | |
| 650 | 4 | |a Systematic Review | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Review | |
| 650 | 4 | |a Genitourinary malignancies | |
| 650 | 4 | |a Immunotherapy | |
| 650 | 4 | |a Meta-analysis | |
| 650 | 4 | |a Radiation therapy | |
| 650 | 4 | |a Systematic review | |
| 700 | 1 | |a Koll, Florestan |e verfasserin |4 aut | |
| 700 | 1 | |a Bolenz, Christian |e verfasserin |4 aut | |
| 700 | 1 | |a Chun, Felix K-H |e verfasserin |4 aut | |
| 700 | 1 | |a Gschwend, Jürgen E |e verfasserin |4 aut | |
| 700 | 1 | |a Schmid, Sebastian C |e verfasserin |4 aut | |
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