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Quality of life in a real-world study of patients with metastatic colorectal cancer treated with trifluridine/tipiracil.

ABSTRACT: Background:Quality of life (qol) is important for oncology patients, especially for those with late-stage disease. The present study was initiated to address the lack of published prospective data about the qol benefits of trifluridine/tipiracil (ftd/tpi) compared with best supportive care (bsc) in patients with refractory metastatic colorectal cancer (mcrc). Methods:This prospective, cross-sectional, non-interventional study used multidimensional validated scales to evaluate patient-reported qol in two study cohorts of patients and also to measure differences in mcrc-related symptoms and pain in a real-world clinical setting. Results:Our findings demonstrate that patients with refractory mcrc report better overall qol when treated with ftd/tpi than with bsc alone. In that population, statistically significant differences in mean qol measures favoured ftd/tpi over bsc for physical symptom distress, psychological distress, activity impairment, overall valuation of life, and symptomatology. The overall better qol for patients receiving ftd/tpi implies that treatment was well tolerated and was associated with a lower symptom burden. No significant differences for pain were observed between the groups. Conclusions:This study suggests that ftd/tpi is a well-tolerated option for the treatment of patients with refractory mcrc, showcasing the value of capturing real-world qol data in routine clinical practice.

SUBMITTER: Cheung WY

PROVIDER: S-EPMC7606042 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Quality of life in a real-world study of patients with metastatic colorectal cancer treated with trifluridine/tipiracil.

Cheung W Y WY Kavan P P Dolley A A

Current oncology (Toronto, Ont.) 20201001 5

<h4>Background</h4>Quality of life (qol) is important for oncology patients, especially for those with late-stage disease. The present study was initiated to address the lack of published prospective data about the qol benefits of trifluridine/tipiracil (ftd/tpi) compared with best supportive care (bsc) in patients with refractory metastatic colorectal cancer (mcrc).<h4>Methods</h4>This prospective, cross-sectional, non-interventional study used multidimensional validated scales to evaluate pati ...[more]

PMID: 33173384

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Project description:BACKGROUND:The phase II J003 (N = 169) and phase III RECOURSE (N = 800) trials demonstrated a significant improvement in survival with trifluridine (FTD)/tipiracil (TPI) versus placebo in patients with refractory metastatic colorectal cancer. This post hoc analysis investigated pharmacokinetic data of FTD/TPI exposure and pharmacodynamic markers, such as chemotherapy-induced neutropenia (CIN) and clinical outcomes. PATIENTS AND METHODS:A total of 210 patients from RECOURSE were enrolled in this substudy. A limited sampling approach was used, with three pharmacokinetic samples drawn on day 12 of cycle 1. Patients were categorized as being above or below the median area under the plasma concentration-time curve (AUC) for FTD and TPI. We conducted a post hoc analysis using the entire RECOURSE population to determine the correlations between CIN and clinical outcome. We then carried out a similar analysis on the J003 trial to validate the results. RESULTS:In the RECOURSE subset, patients in the high FTD AUC group had a significantly increased CIN risk. Analyses of the entire population demonstrated that FTD/TPI-treated patients with CIN of any grade in cycles 1 and 2 had significantly longer median overall survival (OS) and progression-free survival (PFS) than patients who did not develop CIN and patients in the placebo group. Patients who required an FTD/TPI treatment delay had increased OS and PFS versus those in the placebo group and those who did not develop CIN. Similar results were obtained in the J003 cohort. CONCLUSIONS:In RECOURSE, patients with higher FTD drug exposure had an increased CIN risk. FTD/TPI-treated patients who developed CIN had improved OS and PFS versus those in the placebo group and those who did not develop CIN. Similar findings were reported in the J003 cohort, thus validating the RECOURSE results. The occurrence of CIN may be a useful predictor of treatment outcomes for FTD/TPI-treated patients. CLINICALTRIALS. GOV IDENTIFIER:NCT01607957 (RECOURSE). JAPAN PHARMACEUTICAL INFORMATION CENTER NUMBER:JapicCTI-090880 (J003).

Project description:BackgroundTrifluridine/tipiracil (FTD/TPI) and regorafenib prolong survival for patients with refractory metastatic colorectal cancer (mCRC); limited comparative effectiveness data exist.Materials and methodsA retrospective, longitudinal cohort study of patients with mCRC who initiated FTD/TPI or regorafenib (index therapy) between 2012 and 2017 at a U.S. tertiary oncology center, Dana-Farber Cancer Institute, was conducted. Using best tumor response assessments, real-world overall response rates (rwORR) and disease control rates (rwDCR) were described and analyzed using logistic regression. Survival rate was examined for each month after index therapy using Kaplan-Meier. Overall survival (OS) was assessed using Cox proportional hazards models. Subgroup analyses among patients with index therapy as second- or third-line were performed.ResultsOne hundred twenty-six and 95 patients were treated with FTD/TPI or regorafenib as index therapy, respectively. Patients treated with FTD/TPI versus regorafenib had a better response (rwORR 52.5% vs. 34.2%; adjusted odds ratio [OR] = 2.6; all p value <.05; rwDCR 64.2% vs. 46.1%; adjusted OR = 2.5; all p value <.05). Similar findings were observed for FTD/TPI versus regorafenib as second- or third-line therapy (rwORR 54.8% vs. 25.9%; adjusted OR = 4.1; all p value <.05; rwDCR 69.0% vs. 37.0%; adjusted OR = 4.9; all p value <.05). A greater proportion of patients treated with FTD/TPI versus regorafenib survived at 3 months (86.2% vs. 73.4%; p value = .016) and 4 months (79.6% vs. 65.8%; p value = .017). Adjusted OS hazard ratio for FTD/TPI versus regorafenib was 0.80, p value = .157.ConclusionPatients treated with FTD/TPI had better tumor response and disease control than patients treated with regorafenib. Subgroup analysis in second- or third-line suggests that early use of FTD/TPI may have clinical benefits.Implications for practiceIn this retrospective cohort study, patients with refractory metastatic colorectal cancer treated with trifluridine/tipiracil (FTD/TPI) were significantly less likely than those treated with regorafenib to have dose modifications and more likely to have higher real-world objective response rate (rwORR) and real-world disease control rate (rwDCR) while treated. Patients treated with FTD/TPI versus regorafenib had significantly higher odds of having rwORR or rwDCR in adjusted analyses. Monthly survival rates were higher overall in patients treated with FTD/TPI versus regorafenib in the first 6 months of follow-up, particularly at months 3 and 4. This study offers insight into patients' treatment experience in real-world clinical settings.

Dataset Information

Quality of life in a real-world study of patients with metastatic colorectal cancer treated with trifluridine/tipiracil.

Publications

Quality of life in a real-world study of patients with metastatic colorectal cancer treated with trifluridine/tipiracil.

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