LBA8507 Background: Atezo, in combination with CE, was the first cancer immunotherapy approved for 1L treatment of ES-SCLC. However, most pts eventually experience disease progression. TIGIT is a novel inhibitory immune checkpoint present on activated T cells and NK cells. Tira (anti-TIGIT) may synergise with other immunotherapies, such as PD-L1/PD-1 inhibitors, and further amplify the immune response to improve clinical outcomes. SKYSCRAPER-02 (NCT04256421) evaluates whether the antitumor effect and survival benefits of the combination of atezo + CE could be enhanced by adding tira in pts with ES-SCLC. Methods: Eligible pts with untreated ES-SCLC (asymptomatic treated or untreated brain metastases [BM] permitted) were randomized 1:1 to receive induction tira 600 mg IV or placebo (pbo) combined with atezo 1200 mg IV + CE for 4 x 21-day cycles followed by maintenance tira or placebo combined with atezo every 3 weeks until disease progression or loss of clinical benefit. Stratification factors include ECOG PS (0 vs 1); presence/history of BM (yes vs no); LDH (≤upper limit of normal [ULN] vs >ULN). Co-primary endpoints were investigator-assessed PFS and OS in all randomized pts without the history/presence of BM at baseline (primary analysis set [PAS]). Additional endpoints include PFS and OS in all randomized pts regardless of BM status (full analysis set [FAS]), objective response rate, duration of response, and safety. Results: A total of 490 patients were randomized (tira + atezo + CE, n=243; pbo + atezo + CE, n=247). As of 6 Feb 2022, median duration of follow-up was 13.9 months (mo); data represent final analysis for PFS and interim analysis for OS. In the PAS, no additional benefit was seen for tira + atezo + CE in PFS or OS compared with pbo + atezo + CE (Table). PFS and OS in the FAS were consistent with those observed in the PAS (Table). Grade 3/4 TRAEs occurred in 52.3% (tira + atezo + CE) and 55.7% (pbo + atezo + CE) and Grade 5 TRAEs occurred in 0.4% (tira + atezo + CE) and 2.0% (pbo + atezo + CE). TRAEs leading to any treatment discontinuation occurred in 5.0% and 5.3% with tira + atezo + CE and pbo + atezo + CE, respectively. Conclusions: The addition of tira to atezo + CE did not provide benefit over atezo + CE in pts with untreated ES-SCLC with or without BM. The combination was well tolerated, and no new safety signals were identified. The study will continue to planned final OS analysis. Clinical trial information: NCT04256421. [Table: see text]
(1) The objective of this study was to assess the risk perceptions, attitudes, knowledge, and behaviors related to typhoon among rural residents in Zhejiang province of China. A cross-sectional study was conducted among rural residents in Zhejiang province, China. Information was collected from 659 participants using a structured questionnaire. Univariate analysis and multivariable analysis were used to analyze the data. Participants were most concerned about property damage, followed by their health and life. Television, short message service (SMS), relatives and friends were the most common information sources. Most people had not been educated with disaster prevention measures. The complementary log–log (CLL) model showed that understanding typhoon warning signal, preparation time, risk perception of health damage and life threat, and fears of typhoon were independent predictors of adoption of coping behaviors. We found that: 1. Residents’ risk perception of health and life threat caused by typhoon is inadequate; 2. There is a gap between residents’ cognition or knowledge and behavior in rural areas; 3. The government should further make strategies to develop educational activities, in order to eliminate the gap and improve the ability of preparing for typhoon among rural residents.
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