Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology · 2023
Risk factors for cognitive impairment in radically treated stage III NSCLC: Secondary findings of the NVALT-11 study.
Клиническое исследование II фазыСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Zeng Haiyan, Hendriks Lizza E L, Witlox Willem J A, Groen Harry J M, Dingemans Anne-Marie C, Praag John, Belderbos José, Houben Ruud, van der Noort Vincent, De Ruysscher Dirk K M
Аннотация
AIM: To identify risk factors for self-reported cognitive impairment in radically treated stage III non-small cell lung cancer (NSCLC).
METHODS: Cognitive functioning was assessed using the EORTC-QLQ-C30 at seven pre-specified time points in the phase III NVALT-11 trial (observation versus prophylactic cranial irradiation [PCI] in stage III NSCLC treated with chemo-radiotherapy ± surgery). Cognition was analyzed as binary (impairment or not) and continuous outcome, respectively, using generalized estimating equation (GEE) before and after multiple imputation. A score < 75 was defined as cognitive impairment. A mean difference by < 10, 10-<20, ≥ 20 points was regarded as of no, moderate, and large clinical effect, respectively. We categorized the cognitive impairment into four types based on changes over time: sustained, reversible, recurring, and alternating.
RESULTS: In the no-PCI arm, 43/84 [51.2%] reported cognitive impairment at least once, of which 31.4% were sustained, 25.7% reversible, 28.6% recurring, and 14.3% alternating. Results were similar in the PCI arm. Cognitive functioning at baseline was comparable in two arms and a score < 75 was a significant risk factor with large effect for subsequent cognitive impairment (no-PCI: β = -23.30, p < 0.001; PCI arm: β = -22.34, p < 0.001; All: β = -23.47, p < 0.001). Younger age (≤60y), squamous histology, and PCI were risk factors without clinical relevance (β > -10, p < 0.05). Cognitive functioning declined over time (β = -0.26, p = 0.001) except for patients with cognitive impairment at baseline (β = 0.141, p = 0.33).
CONCLUSION: Cognitive impairment is dynamic over time with four types. Baseline cognitive impairment (score < 75) is the most important risk factor for subsequent cognitive impairment in stage III NSCLC. Note: This work has been partly reported as an oral presentation at the ESTRO 2021 meeting (OC-0176).
METHODS: Cognitive functioning was assessed using the EORTC-QLQ-C30 at seven pre-specified time points in the phase III NVALT-11 trial (observation versus prophylactic cranial irradiation [PCI] in stage III NSCLC treated with chemo-radiotherapy ± surgery). Cognition was analyzed as binary (impairment or not) and continuous outcome, respectively, using generalized estimating equation (GEE) before and after multiple imputation. A score < 75 was defined as cognitive impairment. A mean difference by < 10, 10-<20, ≥ 20 points was regarded as of no, moderate, and large clinical effect, respectively. We categorized the cognitive impairment into four types based on changes over time: sustained, reversible, recurring, and alternating.
RESULTS: In the no-PCI arm, 43/84 [51.2%] reported cognitive impairment at least once, of which 31.4% were sustained, 25.7% reversible, 28.6% recurring, and 14.3% alternating. Results were similar in the PCI arm. Cognitive functioning at baseline was comparable in two arms and a score < 75 was a significant risk factor with large effect for subsequent cognitive impairment (no-PCI: β = -23.30, p < 0.001; PCI arm: β = -22.34, p < 0.001; All: β = -23.47, p < 0.001). Younger age (≤60y), squamous histology, and PCI were risk factors without clinical relevance (β > -10, p < 0.05). Cognitive functioning declined over time (β = -0.26, p = 0.001) except for patients with cognitive impairment at baseline (β = 0.141, p = 0.33).
CONCLUSION: Cognitive impairment is dynamic over time with four types. Baseline cognitive impairment (score < 75) is the most important risk factor for subsequent cognitive impairment in stage III NSCLC. Note: This work has been partly reported as an oral presentation at the ESTRO 2021 meeting (OC-0176).