scholarly journals Model-based evaluation of the cost effectiveness of 3 versus 6 months’ adjuvant chemotherapy in high-risk stage II colon cancer patients

2020 ◽  
Vol 13 ◽  
pp. 175628482095411
Author(s):  
Gabrielle Jongeneel ◽  
Marjolein J. E. Greuter ◽  
Felice N. van Erning ◽  
Miriam Koopman ◽  
Geraldine R. Vink ◽  
...  
Keyword(s):  
Colon Cancer ◽  
Cost Effectiveness ◽  
High Risk ◽  
Adjuvant Chemotherapy ◽  
Treatment Duration ◽  
Standard Of Care ◽  
Stage Ii ◽  
Life Years ◽  
Stage Ii Colon Cancer ◽  
The Cost

Background: Our aim was to evaluate the cost effectiveness of 3 months’ adjuvant chemotherapy versus 6 months in high-risk (T4 stage + microsatellite stable) stage II colon cancer (CC) patients. Methods: Using the validated PATTERN Markov cohort model, which simulates the disease progression of stage II CC patients from diagnosis to death, we first evaluated a reference strategy in which high-risk patients were treated with chemotherapy for 6 months. In the second strategy, treatment duration was shortened to 3 months. Both strategies were evaluated for CAPOX (capecitabine plus oxaliplatin) and FOLFOX (fluorouracil, leucovorin and oxaliplatin). Based on trial data, we assumed that shortened treatment duration compared with a 6-month regimen was equally effective for CAPOX and less effective for FOLFOX. Adverse events were highest in the 6-month strategy. Analyses were conducted from a societal perspective using a lifelong time horizon. Outcomes were number of CC deaths per 1000 patients and total discounted costs and quality-adjusted life-years (QALYs) per patient (pp). Incremental net monetary benefit (iNMB) was calculated using a willingness-to-pay value of €50,000/QALY. Results: For CAPOX, the 6-month strategy resulted in 316 CC deaths per 1000 patients, 6.71 QALYs pp and total costs of €41,257 pp. The 3-month strategy resulted in an equal number of CC deaths, but higher QALYs (6.80 pp) and lower costs (€37,645 pp), leading to a iNMB of €8454 per person for 3 months versus 6 months. For FOLFOX, the 6-month strategy resulted in 316 CC deaths per 1000 patients, 6.71 QALYs pp and total costs of €47,135 pp. The 3-month strategy resulted in more CC deaths (393), lower QALYs (6.19 pp) and lower costs (€44,389 pp). An iNMB of −€23,189 was found for 3 months versus 6 months. Conclusion: Our findings indicate that 3 months’ adjuvant chemotherapy should be considered as standard of care in high-risk stage II CC patients for CAPOX, but not for FOLFOX.

scholarly journals Model-based effectiveness and cost-effectiveness of risk-based selection strategies for adjuvant chemotherapy in Dutch stage II colon cancer patients

2021 ◽  
Vol 14 ◽  
pp. 175628482199571
Author(s):  
Gabrielle Jongeneel ◽  
Marjolein J. E. Greuter ◽  
Felice N. van Erning ◽  
Miriam Koopman ◽  
Geraldine R. Vink ◽  
...  
Keyword(s):  
Colon Cancer ◽  
Cost Effectiveness ◽  
Adjuvant Chemotherapy ◽  
Stage Ii ◽  
Dutch Guideline ◽  
Selection Strategies ◽  
Life Years ◽  
Stage Ii Colon Cancer ◽  
Perfect Adherence ◽  
Selection Of

Background: We aimed to evaluate the cost-effectiveness of risk-based strategies to improve the selection of surgically treated stage II colon cancer (CC) patients for adjuvant chemotherapy. Methods: Using the ‘Personalized Adjuvant TreaTment in EaRly stage coloN cancer’ (PATTERN) model, we evaluated five selection strategies: (1) no chemotherapy, (2) Dutch guideline recommendations assuming observed adherence, (3) Dutch guideline recommendations assuming perfect adherence, (4) biomarker mutation OR pT4 stage strategy in which patients with MSS status combined with a pT4 stage or a mutation in BRAF and/or KRAS receive chemotherapy assuming perfect adherence and (5) biomarker mutation AND pT4 stage strategy in which patients with MSS status combined with a pT4 stage tumor and a BRAF and/or KRAS mutation receive chemotherapy assuming perfect adherence. Outcomes were number of CC deaths per 1000 patients and total discounted costs and quality-adjusted life-years (QALYs) per patient (pp). Analyses were conducted from a societal perspective. The robustness of model predictions was assessed in sensitivity analyses. Results: The reference strategy, that is, no adjuvant chemotherapy, resulted in 139 CC deaths in a cohort of 1000 patients, 8.077 QALYs pp and total costs of €22,032 pp. Strategies 2–5 were more effective (range 8.094–8.217 QALYs pp and range 118–136 CC deaths per 1000 patients) and more costly (range €22,404–€25,102 pp). Given a threshold of €50,000/QALY, the optimal use of resources would be to treat patients with either the full adherence strategy and biomarker mutation OR pT4 stage strategy. Conclusion: Selection of stage II CC patients for chemotherapy can be improved by either including biomarker status in the selection strategy or by improving adherence to the Dutch guideline recommendations.

American Society of Clinical Oncology Recommendations on Adjuvant Chemotherapy for Stage II Colon Cancer

2004 ◽  
Vol 22 (16) ◽  
pp. 3408-3419 ◽  
Author(s):  
Al B. Benson ◽  
Deborah Schrag ◽  
Mark R. Somerfield ◽  
Alfred M. Cohen ◽  
Alvaro T. Figueredo ◽  
...  
Keyword(s):  
Colon Cancer ◽  
High Risk ◽  
Adjuvant Chemotherapy ◽  
Clinical Oncology ◽  
Meta Analysis ◽  
Indirect Evidence ◽  
Stage Ii ◽  
Prognostic Features ◽  
American Society ◽  
Stage Ii Colon Cancer

Purpose To address whether all medically fit patients with curatively resected stage II colon cancer should be offered adjuvant chemotherapy as part of routine clinical practice, to identify patients with poor prognosis characteristics, and to describe strategies for oncologists to use to discuss adjuvant chemotherapy in practice. Methods An American Society of Clinical Oncology Panel, in collaboration with the Cancer Care Ontario Practice Guideline Initiative, reviewed pertinent information from the literature through May 2003. Results A literature-based meta-analysis found no evidence of a statistically significant survival benefit of adjuvant chemotherapy for stage II patients. Recommendations The routine use of adjuvant chemotherapy for medically fit patients with stage II colon cancer is not recommended. However, there are populations of patients with stage II disease that could be considered for adjuvant therapy, including patients with inadequately sampled nodes, T4 lesions, perforation, or poorly differentiated histology. Conclusion Direct evidence from randomized controlled trials does not support the routine use of adjuvant chemotherapy for patients with stage II colon cancer. Patients and oncologists who accept the relative benefit in stage III disease as adequate indirect evidence of benefit for stage II disease are justified in considering the use of adjuvant chemotherapy, particularly for those patients with high-risk stage II disease. The ultimate clinical decision should be based on discussions with the patient about the nature of the evidence supporting treatment, the anticipated morbidity of treatment, the presence of high-risk prognostic features on individual prognosis, and patient preferences. Patients with stage II disease should be encouraged to participate in randomized trials.

Tumor-associated macrophages as predictive biomarkers for postoperative adjuvant chemotherapy in patients with stage II colon cancer.

2018 ◽  
Vol 36 (4_suppl) ◽  
pp. 620-620
Author(s):  
Jianmin Xu ◽  
Qingyang Feng ◽  
Wenju Chang ◽  
Ye Wei ◽  
Li Ren ◽  
...  
Keyword(s):  
Risk Factors ◽  
Colon Cancer ◽  
High Risk ◽  
Adjuvant Chemotherapy ◽  
Stage Ii ◽  
Tumor Associated Macrophages ◽  
Postoperative Adjuvant Chemotherapy ◽  
Patient Counselling ◽  
High Risk Factors ◽  
Stage Ii Colon Cancer

620 Background: For stage II colon cancer, the effect of postoperative adjuvant chemotherapy is still controversial. It is well known that tumor-associated macrophages (TAMs) play an important role in tumor progression. The aim of this study is to determine the effect of TAMs as predictor for adjuvant chemotherapy for stage II colon cancer. Methods: From July 2009 to June 2012, 521 patients with pathological stage II colon cancer were included. TAMs were detected using tissue microarray and immunohistochemistry (all TAMs detected by CD68; M2 subtype detected by CD206). The density of CD68+ TAMs, CD206+ TAMs and the ratio of CD206+ TAMs / CD68+ TAMs (CD206 / CD68 ratio) were calculated. The cut-off values were defined using X-Tile software. Results: High CD206+ TAMs density and high CD206 / CD68 ratio were significantly associated with reduced disease-free survival (DFS, P < 0.001 and P < 0.001, respectively) and overall survival (OS, P < 0.001 and P < 0.001, respectively). And CD206 / CD68 ratio had a better prognostic power. Furthermore, for patients with low CD206 / CD68 ratio, adjuvant chemotherapy made no benefit. But for high CD206 / CD68 ratio, adjuvant chemotherapy significantly improved DFS and OS (as shown in Table 1). In subgroup analysis, for T3 with high-risk factors or T4 tumors, CD206 / CD68 ratio was also a significant predictor for adjuvant chemotherapy (interaction P = 0.024 in DFS). Conclusions: For stage II colon cancer, CD206 / CD68 ratio was a good prognostic and predictive biomarker for adjuvant chemotherapy. Together with clinicopathological high-risk factors, it might facilitate patient counselling and individualise management. [Table: see text]

Clinical utility of the systemic inflammatory response (SIR) in identifying high-risk stage II colon cancer.

2020 ◽  
Vol 38 (4_suppl) ◽  
pp. 220-220
Author(s):  
Allan Matthew Golder ◽  
Donald C. McMillan ◽  
David Mansouri ◽  
Paul G. Horgan ◽  
Campbell SD Roxburgh
Keyword(s):  
Colon Cancer ◽  
High Risk ◽  
Adjuvant Chemotherapy ◽  
Stage Ii ◽  
Margin Involvement ◽  
Nodal Harvest ◽  
T Stage ◽  
Emergency Presentation ◽  
Stage Ii Colon Cancer

220 Background: Surgery for TNM Stage II colon cancer is considered curative however approximately 20% of patients will have recurrence of their disease. A number of high risk pathological features guide the use of adjuvant chemotherapy. More recently the preoperative SIR has been consistently shown to have prognostic value but to date has not been utilised clinically as a high risk feature. The present study compared the influence of the SIR versus established high-risk clinical features on overall/cancer specific survival (OS/CSS). Methods: Patients in the West of Scotland undergoing curative resection for Stage II colon cancer from 2011-2015 were identified with survival updated until December 2018. Additional data was obtained from online records. Through uni/multivariate analysis (UVA/MVA) we compared the effect on survival of the SIR measured using the modified Glasgow Prognostic Score (mGPS), neutrophil-lymphocyte ratio (NLR) and lymphocyte-monocyte ratio (LMR) when entered individually into a multivariate model alongside established high-risk features. Results: 982 patients were identified having had a curative resection of Stage II colon cancer. Median follow up was 61 months and there were 307 deaths during follow up. For OS: emergency presentation, T stage, adjuvant chemotherapy, nodal harvest, margin involvement, mGPS, LMR, NLR (all p≤0.001) and EMVI (p < 0.05) were significant on UVA. On MVA: age (HR 1.51), T stage (HR 1.59), nodal harvest (HR 1.67), margin involvement (HR 1.94), adjuvant chemotherapy (HR 0.47), mGPS (HR 1.38), NLR (HR 1.35) and LMR (HR 1.50) remained significant (all p < 0.05). For CSS: age, emergency presentation, T stage, margin involvement, mGPS, NLR, LMR (all p < 0.001), nodal harvest and adjuvant chemotherapy (both p < 0.05) remained significant on UVA. On MVA emergency presentation (HR 1.88), T stage (HR 2.02), margin involvement (HR 2.98), adjuvant chemotherapy (HR 0.51) and mGPS (HR 1.34) remained significant (all p < 0.05). Conclusions: The present study suggests that the SIR is an independent predictor of worse OS/CSS in Stage II colon cancer and should be considered a high risk feature in future prospective studies.

Kolonkarzinom: Was und wem nützt die Chemotherapie?

2018 ◽  
Vol 50 (03) ◽  
pp. 120-123
Keyword(s):  
Risk Factors ◽  
Colon Cancer ◽  
High Risk ◽  
Adjuvant Chemotherapy ◽  
Stage Ii ◽  
High Risk Factors ◽  
Stage Ii Colon Cancer

Verhoeff SR, van Erning FN, Lemmens V et al. Adjuvant chemotherapy is not associated with improved survival for all high-risk factors in stage II colon cancer. Int J Cancer 2016; 139: 187–193. doi:10.1002/ijc.30053

scholarly journals Oxaliplatin-based adjuvant chemotherapy duration (3 versus 6 months) for high-risk stage II colon cancer: the randomized phase III ACHIEVE-2 trial

2021 ◽  
Vol 32 (1) ◽  
pp. 77-84
Author(s):  
K. Yamazaki ◽  
T. Yamanaka ◽  
M. Shiozawa ◽  
D. Manaka ◽  
M. Kotaka ◽  
...  
Keyword(s):  
Colon Cancer ◽  
High Risk ◽  
Adjuvant Chemotherapy ◽  
Stage Ii ◽  
Phase Iii ◽  
Stage Ii Colon Cancer

Is adjuvant chemotherapy beneficial to high risk stage II colon cancer? Analysis in a single institute

2009 ◽  
Vol 24 (6) ◽  
pp. 665-676 ◽  
Author(s):  
Chun-Chi Lin ◽  
Jen-Kou Lin ◽  
Shih-Ching Chang ◽  
Huann-Sheng Wang ◽  
Shung-Haur Yang ◽  
...  
Keyword(s):  
Colon Cancer ◽  
High Risk ◽  
Adjuvant Chemotherapy ◽  
Stage Ii ◽  
Stage Ii Colon Cancer
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