Inherited Mutations in DNA Damage Repair Genes in Italian Men with Metastatic Prostate Cancer : Results from the Meet-URO 10 Study
© 2024 The Authors..
Background: The prevalence of pathogenic germline mutations in DNA damage repair (gDDR) genes in the Italian population is unknown.
Objective: In this prospective multicenter cohort study, we evaluated the prevalence of gDDR alterations in the Italian population affected by metastatic prostate cancer (mPCa) and analyzed the impact on response to therapy, survival, and time to castration resistance.
Design setting and participants: In an observational prospective trial, 300 consecutive Italian mPCa patients, enrolled in the Meet-Uro-10 trial from three academic Italian centers, were recruited between 2017 and 2019 and were screened for gDDR mutations in 107 genes.
Outcome measurements and statistical analysis: The primary endpoint was to assess the prevalence of gDDR mutations in the Italian population of patients with mPCa. The secondary endpoints included the association of gDDR subgroups with metastatic onset, Gleason score, and time to castration resistance.
Results and limitations: We identified 297 valuable patients. Forty-six patients had a pathogenic/likely pathogenic variant (15.5%, 95% confidence interval: 11.4-19.6): the more frequent was gBRCA2 found in nine cases (3%), followed by gATM in five cases (1.7%). In patients without mutations, longer median overall survival was observed with the sequence docetaxel-androgen receptor signaling inhibitor (ARSI) than with the sequence ARSI-docetaxel (87.9 vs 42 mo, p = 0.0001). In a univariate analysis, the median time to castration resistance in gDDR mutated patients was 19.8 mo, versus 23.7 mo in no mutated patients (p = 0.024). There were no associations of gDDR subgroups with metastatic onset and Gleason score ≥8. In our cohort, variants of unknown significance in gDDR genes were found in 80 patients and might have a prognostic relevance.
Conclusions: The study reported the prevalence of gDDR in the Italian population. The presence of gBRCA2 mutations correlates with a shorter time to the onset of castration resistance disease.
Patient summary: The prevalence of gBRCA2 in the Italian population is 3%, which is similar to that in the Spanish population, identifying similarities between people of the Western Mediterranean area.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:61 |
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| Enthalten in: |
European urology open science - 61(2024) vom: 20. Feb., Seite 44-51 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Casadei, Chiara [VerfasserIn] |
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| Links: |
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| Themen: |
DNA damage repair gene mutations |
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| Anmerkungen: |
Date Revised 24.02.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.euros.2024.01.015 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368744418 |
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| 100 | 1 | |a Casadei, Chiara |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Inherited Mutations in DNA Damage Repair Genes in Italian Men with Metastatic Prostate Cancer |b Results from the Meet-URO 10 Study |
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| 500 | |a Date Revised 24.02.2024 | ||
| 500 | |a published: Electronic-eCollection | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2024 The Authors. | ||
| 520 | |a Background: The prevalence of pathogenic germline mutations in DNA damage repair (gDDR) genes in the Italian population is unknown | ||
| 520 | |a Objective: In this prospective multicenter cohort study, we evaluated the prevalence of gDDR alterations in the Italian population affected by metastatic prostate cancer (mPCa) and analyzed the impact on response to therapy, survival, and time to castration resistance | ||
| 520 | |a Design setting and participants: In an observational prospective trial, 300 consecutive Italian mPCa patients, enrolled in the Meet-Uro-10 trial from three academic Italian centers, were recruited between 2017 and 2019 and were screened for gDDR mutations in 107 genes | ||
| 520 | |a Outcome measurements and statistical analysis: The primary endpoint was to assess the prevalence of gDDR mutations in the Italian population of patients with mPCa. The secondary endpoints included the association of gDDR subgroups with metastatic onset, Gleason score, and time to castration resistance | ||
| 520 | |a Results and limitations: We identified 297 valuable patients. Forty-six patients had a pathogenic/likely pathogenic variant (15.5%, 95% confidence interval: 11.4-19.6): the more frequent was gBRCA2 found in nine cases (3%), followed by gATM in five cases (1.7%). In patients without mutations, longer median overall survival was observed with the sequence docetaxel-androgen receptor signaling inhibitor (ARSI) than with the sequence ARSI-docetaxel (87.9 vs 42 mo, p = 0.0001). In a univariate analysis, the median time to castration resistance in gDDR mutated patients was 19.8 mo, versus 23.7 mo in no mutated patients (p = 0.024). There were no associations of gDDR subgroups with metastatic onset and Gleason score ≥8. In our cohort, variants of unknown significance in gDDR genes were found in 80 patients and might have a prognostic relevance | ||
| 520 | |a Conclusions: The study reported the prevalence of gDDR in the Italian population. The presence of gBRCA2 mutations correlates with a shorter time to the onset of castration resistance disease | ||
| 520 | |a Patient summary: The prevalence of gBRCA2 in the Italian population is 3%, which is similar to that in the Spanish population, identifying similarities between people of the Western Mediterranean area | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a DNA damage repair gene mutations | |
| 650 | 4 | |a Germline BRCA2 mutations | |
| 650 | 4 | |a Metastatic prostate cancer | |
| 650 | 4 | |a Precision medicine | |
| 700 | 1 | |a Scarpi, Emanuela |e verfasserin |4 aut | |
| 700 | 1 | |a Conteduca, Vincenza |e verfasserin |4 aut | |
| 700 | 1 | |a Gurioli, Giorgia |e verfasserin |4 aut | |
| 700 | 1 | |a Cursano, Maria Concetta |e verfasserin |4 aut | |
| 700 | 1 | |a Brighi, Nicole |e verfasserin |4 aut | |
| 700 | 1 | |a Lolli, Cristian |e verfasserin |4 aut | |
| 700 | 1 | |a Schepisi, Giuseppe |e verfasserin |4 aut | |
| 700 | 1 | |a Basso, Umberto |e verfasserin |4 aut | |
| 700 | 1 | |a Fornarini, Giuseppe |e verfasserin |4 aut | |
| 700 | 1 | |a Bleve, Sara |e verfasserin |4 aut | |
| 700 | 1 | |a Farolfi, Alberto |e verfasserin |4 aut | |
| 700 | 1 | |a Altavilla, Amelia |e verfasserin |4 aut | |
| 700 | 1 | |a Burgio, Salvatore Luca |e verfasserin |4 aut | |
| 700 | 1 | |a Giunta, Emilio Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a Gianni, Caterina |e verfasserin |4 aut | |
| 700 | 1 | |a Filograna, Alessia |e verfasserin |4 aut | |
| 700 | 1 | |a Ulivi, Paola |e verfasserin |4 aut | |
| 700 | 1 | |a Olmos, David |e verfasserin |4 aut | |
| 700 | 1 | |a Castro, Elena |e verfasserin |4 aut | |
| 700 | 1 | |a De Giorgi, Ugo |e verfasserin |4 aut | |
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