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    Clinicopathologic and Prognostic Differences between Three Different Age Groups (Child/Adolescent, Young Adults, and Adults) of Colorectal Cancer Patients: A Multicentre Study
    (Karger, 2019) Kaplan, Muhammet Ali; Ozaydin, Sukru; Yerlikaya, Halis; Karaagac, Mustafa; Gumus, Mahmut; Cil, Timucin; Arslan, Ulku Yalcintas
    Background: Colorectal cancer (CRC) is a rare disease amongst children and adolescents. Previous studies have reported a number of differences between children/adolescents, young adults, and adult patients with CRC. However, none of these studies compared these age groups according to their clinicopathologic and prognostic characteristics. In the current study, we compare these three age groups. Methods:A total of 173 (1.1% of 15,654 patients) young CRC patients (<= 25 years) were included in the study. As a control group, 237 adult CRC patients (>25 years) were also included. Patients were divided into three age groups: child/adolescent (10-19 years), young adult (20-25 years), and adult (>25 years). Results: Statistical differences amongst the three groups in terms of gender (p = 0.446), family history (p = 0.578), symptoms of presentation (p = 0.306), and interval between initiation of symptoms and diagnosis (p = 0.710) could not be demonstrated. Whilst abdominal pain (p < 0.001) and vomiting (p = 0.002) were less common in young adults than in other groups, rectal bleeding and changes in bowel habits were relatively less common in adolescents than in other groups. Rectal localisation (p = 0.035), mucinous adenocarcinoma (p < 0.001), and a poorly differentiated histologic subtype (p < 0.001) were less common in the adult group than in other groups. The percentage of patients with metastasis and sites of metastasis (e.g., peritoneum and lung) differed between groups. The median overall survival was 32.6 months in the adolescent group, 57.8 months in the young adult group and was not reached in the adult group (p = 0.022). The median event-free survival of the adolescent, young adult, and adult groups was 29.0, 29.9, and 61.6 months, respectively (p = 0.003). Conclusions: CRC patients of different age groups present different clinicopathologic and prognostic characteristics. Clinicians should be aware of and manage the disease according to these differences.
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    PACIFIC-5: a phase III clinical trial of consolidation durvalumab in patients with unresectable stage III NSCLC and no progression after concurrent or sequential chemoradiotherapy
    (Bmc, 2025) Wu, Yi-Long; Wu, Lin; Bi, Nan; Cil, Timucin; Ge, Hong; Zhu, Zhengfei; Wang, Chih-Liang
    BackgroundConsolidation durvalumab following no progression on concurrent chemoradiotherapy (cCRT) is standard of care for unresectable stage III non-small-cell lung cancer (NSCLC). However, in clinical practice many patients receive sequential CRT (sCRT). The PACIFIC-5 trial aimed to evaluate the efficacy and safety of consolidation durvalumab for unresectable stage III NSCLC following no progression on cCRT or sCRT.MethodsThis randomised, double-blind, placebo-controlled, phase III trial enrolled patients aged >= 18 years with unresectable stage III NSCLC, regardless of PD-L1 expression or sensitising EGFR or ALK aberrations, without disease progression after cCRT or sCRT. Patients were randomised (2:1) to durvalumab 1500 mg or placebo intravenously every 4 weeks (stratified by tumour PD-L1 expression and prior treatment) until disease progression, unacceptable toxicity, or consent withdrawal. The primary endpoint was progression-free survival (PFS) by blinded independent central review in the modified intention-to-treat population (mITT). Secondary endpoints included overall survival (OS) in the mITT and safety. The safety analysis set include patients who received at least one dose of study treatment.ResultsOf 407 patients randomised to receive durvalumab (n = 272) or placebo (n = 135), 405 received at least one dose of durvalumab (n = 271) or placebo (n = 134). The mITT comprised 381 patients randomised to durvalumab (n = 252) or placebo (n = 129). Durvalumab showed statistically significant improvement in PFS versus placebo in the mITT (median [95% confidence interval {CI}], 14.0 [10.9-18.0] vs. 6.5 [5.4-13.8] months; hazard ratio [95% CI], 0.75 [0.58-0.99]; p = 0.038). There was a trend toward improved OS with durvalumab versus placebo in the mITT (median [95% CI], 38.3 [28.9-42.8] vs. 32.5 [20.6-40.4] months; hazard ratio [95% CI], 0.87 [0.66-1.17]; p = 0.346 [interim analysis]). Among the safety analysis set, maximum grade 3 or 4 adverse events of any cause occurred in 26.9% (73/271) and 23.9% (32/134) and 1.5% (4/271) and 0% (0/134) had treatment-related adverse events leading to death for durvalumab and placebo, respectively.ConclusionsPACIFIC-5 met its primary endpoint of improved PFS after either cCRT or sCRT. Follow-up for overall survival is ongoing.Trial registrationNCT03706690.