Article ; Online: Impact of the 12-gene recurrence score in influencing adjuvant chemotherapy prescription in mismatch repair proficient stage II/III colonic carcinoma-a systematic review and meta-analysis.
International journal of colorectal disease
2023 Volume 38, Issue 1, Page(s) 71
Abstract: Introduction: The 12-gene recurrence score (RS) is a clinically validated assay which predicts recurrence risk in patients with stage II/III colon cancer. Decisions regarding adjuvant chemotherapy may be guided using this assay or based on the judgement ...
Abstract | Introduction: The 12-gene recurrence score (RS) is a clinically validated assay which predicts recurrence risk in patients with stage II/III colon cancer. Decisions regarding adjuvant chemotherapy may be guided using this assay or based on the judgement of tumour board. Aims: To assess the concordance between the RS and MDT decisions regarding adjuvant chemotherapy in colon cancer. Methods: A systematic review was performed in accordance with PRISMA guidelines. Meta-analyses were performed using the Mantel-Haenszel method using the Review Manager version 5.4 software. Results: Four studies including 855 patients with a mean age of 68 years (range: 25-90 years) met inclusion criteria. Overall, 79.2% had stage II disease (677/855) and 20.8% had stage III disease (178/855). For the entire cohort, concordant results between the 12-gene assay and MDT were more likely than discordant (odds ratio (OR): 0.38, 95% confidence interval (CI): 0.25-0.56, P < 0.001). Patients were more likely to have chemotherapy omitted than escalated when using the RS (OR: 9.76, 95% CI: 6.72-14.18, P < 0.001). For those with stage II disease, concordant results between the 12-gene assay and MDT were more likely than discordant (OR: 0.30, 95% CI: 0.17-0.53, P < 0.001). In stage II disease, patients were more likely to have chemotherapy omitted than escalated when using the RS (OR: 7.39, 95% CI: 4.85-11.26, P < 0.001). Conclusions: The use of the 12-gene signature refutes the decision of tumour board in 25% of cases, with 75% of discordant decisions resulting in omission of adjuvant chemotherapy. Therefore, it is possible that a proportion of such patients are being overtreated when relying on tumour board decisions alone. |
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MeSH term(s) | Humans ; Aged ; DNA Mismatch Repair/genetics ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Neoplasm Staging ; Colonic Neoplasms/drug therapy ; Colonic Neoplasms/genetics ; Colonic Neoplasms/pathology ; Chemotherapy, Adjuvant ; Carcinoma |
Language | English |
Publishing date | 2023-03-13 |
Publishing country | Germany |
Document type | Meta-Analysis ; Systematic Review ; Journal Article ; Review |
ZDB-ID | 84975-3 |
ISSN | 1432-1262 ; 0179-1958 |
ISSN (online) | 1432-1262 |
ISSN | 0179-1958 |
DOI | 10.1007/s00384-023-04364-2 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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