ArticleCancers2025
Delay of Systemic Therapy Confers a Survival Benefit in Patients with Stage IV Non-Small-Cell Lung Cancer.
Article in Cancers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
9 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundA timely systemic therapy of patients with metastasized non-small-cell lung cancer (NSCLC) is a suggestive clinical conception. As the pre-therapeutic management is complex and includes comprehensive immunohistochemical and molecular diagnostics, the time to optimal therapy may be prolonged. Whether the timing of therapy influences the outcome still remains controversial. We investigated the therapy timing and overall survival in subgroups of NSCLC patients in the clinical cancer registry of Lower Saxony. MATERIALS AND
methodsPatients with UICC stage IV NSCLC and systemic therapy were included. Early and delayed therapy groups based on the median time from histology to therapy were defined. Median overall survival (mOS) was estimated by the Kaplan-Meier test and compared by the log rank test. Uni- and multivariate Cox regression analyses were used for independent variables. Subgroup analyses were performed according to age, ECOG-PS, metastasis stage (M1a-c) and therapy.
resultsWe included 1687 patients; of these, the median age was 66.8 years, and 58% of patients were male. The median time to systemic therapy was 33 days, and in our sample, 844 patients were in the early and 843 in the delayed therapy group (TG). Median overall survival of the early TG patients was 9 m vs. 14 m in the delayed TG (
conclusionsUICC IV NSCLC patients with a delayed systemic therapy had a better overall survival than those with an early therapy. This observation supports a (qualified) waiting time for systemic therapies. Therapy timing may also be a relevant confounder in clinical studies.
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