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- W4220959947 abstract "IntroductionThe RECOURSE trial demonstrated a modest benefit in overall survival (OS) for trifluridine/tipiracil (FTD/TPI) versus placebo in pretreated metastatic colorectal cancer (mCRC) patients. Unfortunately, quality of life (QoL) was not assessed. We evaluated QoL and survival of patients treated with FTD/TPI in daily practice.Patients and MethodsQUALITAS is a substudy of the Prospective Dutch CRC cohort (PLCRC). From 150 mCRC patients treated with FTD/TPI, QoL (EORTC QLQ-C30 and QLQ-CR29) was assessed monthly from study entry, and linked to clinical data of the Netherlands Cancer Registry. Joint models were constructed combining mixed effects models with Cox PH models. Primary endpoint was difference in QoL over time (which was deemed clinically relevant if ≥10 points). Secondary endpoints were progression-free survival (PFS), time to treatment failure (TTF), and OS. We analyzed the association between QLQ-C30 Summary Score (QoL-SS) at FTD/TPI initiation (baseline) and survival.ResultsThere was no clinically relevant change in QoL-SS from baseline to 10 months post-baseline (i.e. the cut-off point after which 90% of patients had discontinued FTD/TPI treatment): -5.3 [95% CI -8.7;-1.5]. Patients who were treated with FTD/TPI for ≥ 3 months (n = 85) reported 6.3 [1.6;11.1] points higher baseline QoL, compared to patients treated < 3 months (n = 65, “poor responders”). In the latter, time to a clinically relevant QoL deterioration was < 2 months. Median PFS, TTF and OS were 2.9 [2.7;3.1], 3.1 [2.9;3.2] and 7.7 [6.6;8.8] months, respectively. Worse baseline QoL-SS was independently associated with shorter OS (HR 0.45 [0.32;0.63]), PFS (0.63 [0.48;0.83]), and TTF (0.64 [0.47;0.86]).ConclusionThe maintenance of QoL during FTD/TPI treatment in daily practice supports its use. The QoL deterioration in “poor responders” is likely due to disease progression. The strong association between worse baseline QoL and shorter survival suggests that clinicians should take QoL into account when determining prognosis and treatment strategy for individual patients." @default.
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- W4220959947 date "2022-06-01" @default.
- W4220959947 modified "2023-09-27" @default.
- W4220959947 title "Quality of Life and Survival of Metastatic Colorectal Cancer Patients Treated With Trifluridine-Tipiracil (QUALITAS)" @default.
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- W4220959947 doi "https://doi.org/10.1016/j.clcc.2022.03.002" @default.
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