Kelsey Gabel, Kaitlin Chakos, Manoela Lima Oliveira, Julienne Sanchez Perez, Kate Cares, Natalia Salvatierra Lima, Pamela Ganschow, Betina Yanez, Vijayakrishna Gadi, Lisa Tussing-Humphreys
{"title":"Narrative Review of Lifestyle Interventions in Breast Cancer Survivors: Current Evidence and Future Directions.","authors":"Kelsey Gabel, Kaitlin Chakos, Manoela Lima Oliveira, Julienne Sanchez Perez, Kate Cares, Natalia Salvatierra Lima, Pamela Ganschow, Betina Yanez, Vijayakrishna Gadi, Lisa Tussing-Humphreys","doi":"10.1093/jncics/pkae108","DOIUrl":"https://doi.org/10.1093/jncics/pkae108","url":null,"abstract":"<p><strong>Background: </strong>One in eight females will be diagnosed with breast cancer in their lifetime. While medical advances have increased the likelihood of survival, up to 90% of females will gain weight during and after treatment increasing the risk of breast cancer recurrence and obesity related co-morbidities in survivorship. Behavioral lifestyle interventions focused on diet with or without physical activity can provide breast cancer survivors non-pharmacological options to decrease weight gain and cardiometabolic risk.</p><p><strong>Method: </strong>A PubMed search was conducted to identify all behavioral lifestyle interventions focused on diet or diet combined with physical activity longer than 4 weeks of duration in breast cancer survivors that included body weight as an outcome. This review aims to summarize the effects on body weight, body composition and cardiometabolic risk markers are summarized.</p><p><strong>Results: </strong>Based on the review, there is high heterogeneity in type and duration of the intervention to affect weight and cardiometabolic risk in survivorship. Calorie restriction with and without physical activity appears to promote weight loss among breast cancer survivors. However, the effects on cardiometabolic factors are less clear.</p><p><strong>Conclusion: </strong>Future studies should be powered for both body weight and cardiometabolic effects. Researchers should also consider interventions that are: 1) less complex, 2) recruit a more racially and ethnically diverse sample, 3) integrate resistance training, 4) implement the intervention in closer proximity to diagnosis, 5) target weight management in this population before it occurs and 6) analyze body composition in addition to body weight measurements.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142500625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lukas Owens, Ojas Brahme, Roman Gulati, Ruth Etzioni
{"title":"Trends in Age and Prostate-Specific Antigen at Prostate Cancer Diagnosis between 2010 and 2019.","authors":"Lukas Owens, Ojas Brahme, Roman Gulati, Ruth Etzioni","doi":"10.1093/jncics/pkae106","DOIUrl":"https://doi.org/10.1093/jncics/pkae106","url":null,"abstract":"<p><p>Recent studies have shown that de novo metastatic prostate cancer incidence in the U.S. increased from 2010 to 2019. Plausible explanations include delayed detection following recommendations against prostate cancer screening or upstaging associated with use of more sensitive imaging technologies. Using Surveillance, Epidemiology and End Results cases and controlling for aging of the population, we found the median age and prostate-specific antigen (PSA) level at prostate cancer diagnosis increased by 1.4 years of age (95% CI 1.3-1.5) and 1.4 ng/mL (95% CI 1.4-1.5) over this period, consistent with the delayed detection hypothesis. Racial differences were noted, with 75th percentiles of PSA at diagnosis increasing by 4.3 ng/mL (95% CI 3.7-4.8) over this time period for non-Hispanic Black men compared to 3.0 ng/mL (95% CI 2.8-3.2) for non-Hispanic White men. Overall, patient characteristics at diagnosis suggest that delayed detection contributed at least in part to increases in de novo metastatic disease.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142500639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Brennan Parmelee Streck, Dilorom Sass, Rachelle Brick, Leah Fisk, Alicia A Livinski, Jennifer L Guida
{"title":"Systematic Review of Associations between Anxiety, Depression, and Functional/Biological aging among Cancer Survivors.","authors":"Brennan Parmelee Streck, Dilorom Sass, Rachelle Brick, Leah Fisk, Alicia A Livinski, Jennifer L Guida","doi":"10.1093/jncics/pkae100","DOIUrl":"https://doi.org/10.1093/jncics/pkae100","url":null,"abstract":"<p><strong>Background: </strong>Evidence suggests a mind-body component to aging, through which psychological distress from anxiety and depression drives molecular changes that promote early decline (ie, accelerated aging). Cancer survivors experience particularly high rates of anxiety and depression. Some survivors also have accelerated aging, though the relationships between anxiety/depression and aging are not clear. A synthesis of evidence is needed to understand the state of the science and impending priorities.</p><p><strong>Methods: </strong>PubMed, Embase, CINAHL, Web of Science, and PsycNet databases were searched for studies that measured associations between depression, anxiety, and non-chronological aging in cancer survivors (2012 to 2022). Data were methodologically evaluated.</p><p><strong>Results: </strong>Survivorship studies were included if they were peer-reviewed, published in English from 2012-2022, and measured associations between anxiety/depression and aging. 51 studies were included. Just over half were cross-sectional (53%). Foci included functional (n = 35, 69%) and biological (n = 16, 31%). Functional aging measures included frailty, sarcopenia, geriatric assessment, and cognition. Biological aging measures included telomere length, telomerase, age-related inflammatory blood-based biomarkers, renal insufficiency, anemia, and DNA methylation. 223 associations were tested. Associations between anxiety, depression and aging were generally positive, though with varying strengths. Most compelling were associations between functional aging-depression. There were concerns for selection and measurement biases.</p><p><strong>Conclusions: </strong>Findings suggest positive associations between anxiety, depression and aging among cancer survivors. Future work is needed to clarify temporality, develop a consensus on the operationalization of aging, and diversify cohorts.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142500638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Role of Immunotherapy in Gastroesophageal Cancer with Liver Metastasis.","authors":"Sawyer Bawek, Mrinalini Ramesh, Sayuri Gurusinghe, Ali Aijaz, Kristopher Attwood, Nariman Hossein-Javaheri, Sarbajit Mukherjee","doi":"10.1093/jncics/pkae105","DOIUrl":"https://doi.org/10.1093/jncics/pkae105","url":null,"abstract":"<p><p>The role of immune checkpoint inhibitors (ICIs) for patients with gastroesophageal (GE) cancer with liver metastasis remains unclear. Our objective was to investigate if ICIs are beneficial in patients with GE cancer with liver metastasis. We searched PubMed, Embase, ESMO, and ASCO Meeting Abstracts for phase III randomized clinical trials (RCTs) testing ICIs in metastatic/advanced GE cancer from 2017 to 2023. Seven studies were included. OS was similar among all patients (HR 0.72 [0.67,0.77], p < .001), in patients without (HR 0.73 [0.67,0.81], p < .001, I2 = 0.0%), and with liver metastasis (HR 0.74 [0.67,0.81], p < .001, I2 = 0.0%). PFS was also similar among all patients (HR 0.63 [0.57,0.70], p < .001), without (HR 0.62 [0.51,0.76], p < .001), and with liver metastasis (HR 0.66 [0.57,0.76], p < .001). ICIs showed no difference in benefit in patients with GE cancer regardless of liver metastasis. Future studies could focus on deciphering the tumor microenvironment of liver metastasis as an area of translational research.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142500627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marie Jacqueline Isautier Jennifer, Nehmat Houssami, Claudia Hadlow, Luke Marinovich Michael, Serena Hope, Sophia Zackrisson, Brennan Meagan Elizabeth, Brooke Nickel
{"title":"suppClinical guidelines for the management of mammographic density: A systematic review of breast screening guidelines worldwide.","authors":"Marie Jacqueline Isautier Jennifer, Nehmat Houssami, Claudia Hadlow, Luke Marinovich Michael, Serena Hope, Sophia Zackrisson, Brennan Meagan Elizabeth, Brooke Nickel","doi":"10.1093/jncics/pkae103","DOIUrl":"10.1093/jncics/pkae103","url":null,"abstract":"<p><strong>Background: </strong>High breast density is an independent risk factor for breast cancer and decreases the sensitivity of mammography. This systematic review synthesizes the international clinical guidelines and the evidence base for screening and supplemental screening recommendations in women with dense breasts.</p><p><strong>Methods: </strong>A systematic search of CINHAL, Embase and Medline databases was performed in August 2023 and grey literature searched in January 2024. Two authors independently assessed study eligibility and quality (Appraisal of Guidelines for Research and Evaluation II instrument).</p><p><strong>Results: </strong>Of 3,809 articles, 23 guidelines published from 2014 to 2024 were included. The content and quality varied between the guidelines; the average AGREE II total score was 58% (range, 23% to 87%). Most guidelines recommended annual or biennial screening mammography for women over 40 years with dense breasts (n = 16). Other guidelines recommended breast tomosynthesis (DBT, n = 6) or magnetic resonance imaging (MRI, n = 1) as the preferred screening modality. A third of the guidelines (n = 8) did not recommend supplemental screening for women with dense breasts. Of those which recommended supplemental screening (n = 14), ultrasound was the preferred modality (n = 7), with MRI (n = 3), DBT (n = 3) and contrast-enhanced mammography (n = 2) also recommended.</p><p><strong>Conclusions: </strong>Consensus on supplemental screening in women with dense breasts is lacking. The quality of the guidelines is variable, and recommendations are largely based on low-quality evidence. As evidence of the benefits versus harms of supplemental screening in women with dense breasts is evolving, it is imperative to improve the methodological quality of breast cancer screening and supplemental screening guidelines.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142400283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ronald C Chen, Ramsankar Basak, Stacie Dusetzina, Deborah S Usinger, Zahed Mohammed, Aaron D Falchook, Jessica R Schumacher, Amanda B Francescatti, Amanda Cuddy, George J Chang, Benjamin D Kozower, Caprice C Greenberg, Anne McCarthy, Aaron J Katz
{"title":"Post-Treatment surveillance intensity and overall survival in prostate cancer survivors (AFT-30).","authors":"Ronald C Chen, Ramsankar Basak, Stacie Dusetzina, Deborah S Usinger, Zahed Mohammed, Aaron D Falchook, Jessica R Schumacher, Amanda B Francescatti, Amanda Cuddy, George J Chang, Benjamin D Kozower, Caprice C Greenberg, Anne McCarthy, Aaron J Katz","doi":"10.1093/jncics/pkae099","DOIUrl":"https://doi.org/10.1093/jncics/pkae099","url":null,"abstract":"<p><strong>Background: </strong>Post-treatment surveillance affects millions of cancer survivors, but empiric data to guide clinical practice is lacking. This study assessed whether the intensity of surveillance testing after radical prostatectomy (RP) or radiation therapy (RT) for localized prostate cancer is associated with overall survival.</p><p><strong>Methods: </strong>Men diagnosed with localized prostate cancer between 2005 and 2010 who underwent RP or RT at a Commission on Cancer-accredited facility were randomly sampled. Primary data collected of 10,147 patients sampled across 1007 facilities were linked with existing data from the National Cancer Database. Analysis examined whether intensity of surveillance measured as the number of PSA tests in the first year after primary treatment [categorized as 0-1 (low intensity), 2 (medium) or ≥ 3 (high intensity) PSA tests] was associated with overall survival. Secondary outcomes included recurrence-free survival (RFS) and subsequent use of imaging tests, biopsy procedures, and salvage treatment.</p><p><strong>Results: </strong>Median follow-up exceeded 8 years from prostate cancer diagnosis. OS was not statistically significantly different across surveillance intensity groups among RT (P = .59) or RP (P = .29) patients. RFS was not statistically significantly different across surveillance intensity groups for RT (P = .13) patients, but was for RP (P = .01) patients with high intensity associated with the worse RFS. In both treatments, higher surveillance intensity was associated with more procedures and salvage treatments.</p><p><strong>Conclusions: </strong>In patients with localized prostate cancer, more frequent PSA surveillance testing after radical prostatectomy or radiation therapy was associated with increased procedures and salvage treatments but not overall survival.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142390604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jamie N Mills, Valerie Gunchick, Jake Mcgue, Zhaoping Qin, Chandan Kumar-Sinha, Filip Bednar, Noah Brown, Jiaqi Shi, Aaron M Udager, Timothy Frankel, Mark M Zalupski, Vaibhav Sahai
{"title":"Characterization of undifferentiated carcinomas of the pancreas with and without osteoclast-like giant cells.","authors":"Jamie N Mills, Valerie Gunchick, Jake Mcgue, Zhaoping Qin, Chandan Kumar-Sinha, Filip Bednar, Noah Brown, Jiaqi Shi, Aaron M Udager, Timothy Frankel, Mark M Zalupski, Vaibhav Sahai","doi":"10.1093/jncics/pkae097","DOIUrl":"10.1093/jncics/pkae097","url":null,"abstract":"<p><strong>Background: </strong>Undifferentiated carcinoma (UC) is a rare subtype of pancreatic cancer differentiated from UC with osteoclast-like giant cells (UC-OGC) in 2019, impacting interpretation of literature that does not distinguish these subtypes. We sought to identify translationally relevant differences between these two variants and as compared to pancreatic ductal adenocarcinoma (PDAC).</p><p><strong>Methods: </strong>We characterized clinical and multiomic differences between UC (n = 32) and UC-OGC (n = 15) using DNA-sequencing (seq), RNA-seq, and multiplex immunofluorescence (mIF) and compared these findings to PDAC.</p><p><strong>Results: </strong>Characteristics at diagnosis were similar between UC and UC-OGC, though UC-OGC was more resectable (p = .009). Across all stages, median overall survival (OS) was shorter for UC than UC-OGC (0.4 vs 10.8 years, respectively; p = .003). This shorter survival was retained after stratification by resection, albeit without statistical significance (1.8 vs 11.9 years, respectively; p = .08). In a subset of patients with available tissue, the genomic landscape was similar between UC (n = 9), UC-OGC (n = 5), and PDAC (n = 159). Bulk RNA-seq was deconvoluted and, along with mIF in UC (n = 13), UC-OGC (n = 5), and PDAC (n = 16), demonstrated statistically significantly increased antigen-presenting cells (APCs), including M2 macrophages and NK cells, and decreased cytotoxic and regulatory T cells (Tregs) in UC and UC-OGC vs PDAC. Findings were similar between UC and UC-OGC except decreased Tregs in UC-OGC (p = .04).</p><p><strong>Conclusions: </strong>In this series, UC is more aggressive than UC-OGC with these variants having more APCs and fewer Tregs than PDAC, suggesting potential for immune-modulating therapies in treatment of these pancreatic cancer subtypes.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142371867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Wayne Y Wu, Brian Luke, Xiao-Cheng Wu, J Jack Lee, Yong Yi, Samuel C Okpechi, Barry Gause, Paras Mehta, Steven I Sherman, Augusto Ochoa, Ethan Dmitrovsky, Xi Liu
{"title":"Glycemic control in diabetic patients improved overall lung cancer survival across diverse populations.","authors":"Wayne Y Wu, Brian Luke, Xiao-Cheng Wu, J Jack Lee, Yong Yi, Samuel C Okpechi, Barry Gause, Paras Mehta, Steven I Sherman, Augusto Ochoa, Ethan Dmitrovsky, Xi Liu","doi":"10.1093/jncics/pkae081","DOIUrl":"10.1093/jncics/pkae081","url":null,"abstract":"<p><strong>Background: </strong>The consequence of diabetes on lung cancer overall survival (OS) is debated. This retrospective study used 2 large lung cancer databases to assess comprehensively diabetes effects on lung cancer OS in diverse demographic populations, including health disparity.</p><p><strong>Methods: </strong>The University of Texas MD Anderson Cancer Center database (32 643 lung cancer patients with 11 973 patients with diabetes) was extracted from electronic health records (EHRs) using natural language processing (NLP). Associations were between diabetes and lung cancer prognostic features (age, sex, race, body mass index [BMI], insurance status, smoking, stage, and histopathology). Hemoglobin A1C (HgbA1c) and glucose levels assessed glycemic control. Validation was with a Louisiana cohort (17 768 lung cancer patients with 5402 patients with diabetes) enriched for health disparity cases. Kaplan-Meier analysis, log-rank test, multivariable Cox proportional hazard models, and survival tree analyses were employed.</p><p><strong>Results: </strong>Lung cancer patients with diabetes exhibited marginally elevated OS or no statistically significant difference versus nondiabetic patients. When examining OS for 2 glycemic levels (HgbA1c > 7.0 or glucose > 154 mg/dL vs HgbA1c > 9.0 or glucose > 215 mg/dL), a statistically significant improvement in OS occurred in lung cancer patients with controlled versus uncontrolled glycemia (P < .0001). This improvement spanned sex, age, smoking status, insurance status, stage, race, BMI, histopathology, and therapy. Survival tree analysis revealed that obese and morbidly obese patients with controlled glycemia had higher lung cancer OS than comparison groups.</p><p><strong>Conclusion: </strong>These findings indicate a need for optimal glycemic control to improve lung cancer OS in diverse populations with diabetes.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142287463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cancer care and the coconut tree: all in which it lives, and has come before.","authors":"James B Yu","doi":"10.1093/jncics/pkae083","DOIUrl":"10.1093/jncics/pkae083","url":null,"abstract":"","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11491160/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142465724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bruno Murad, Pedro C A Reis, Alice Deberaldini Marinho, Ana Carolina Marin Comini, Débora Pinheiro Xavier, Beatriz Mella Soares Pessoa, Farah Raheem, Brenda Ernst, Lida A Mina, Felipe Batalini
{"title":"QTc prolongation across CDK4/6 inhibitors: a systematic review and meta-analysis of randomized controlled trials.","authors":"Bruno Murad, Pedro C A Reis, Alice Deberaldini Marinho, Ana Carolina Marin Comini, Débora Pinheiro Xavier, Beatriz Mella Soares Pessoa, Farah Raheem, Brenda Ernst, Lida A Mina, Felipe Batalini","doi":"10.1093/jncics/pkae078","DOIUrl":"10.1093/jncics/pkae078","url":null,"abstract":"<p><strong>Background: </strong>Cyclin-dependent kinases (CDK) 4/6 inhibitors have significantly improved outcomes for patients with ER+/HER2- breast cancer. Nevertheless, they differ from each other in terms of chemical, biological, and pharmacological features, as well as toxicity profiles. We aim to determine whether QTc prolongation is caused by CDK4/6i in general or if it is associated with ribociclib only.</p><p><strong>Methods: </strong>We systematically searched PubMed, Embase, and Cochrane Library for randomized controlled trials (RCTs) comparing the prevalence of QTc prolongation as an adverse event in HR+ breast cancer patients treated with CDK4/6i vs those without CDK4/6i. We pooled relative risk (RR) and mean difference (MD) with 95% confidence interval (CI) for the binary endpoint of QT prolongation.</p><p><strong>Results: </strong>We included 14 RCTs comprising 16 196 patients, of whom 8576 underwent therapy with CDK4/6i. An increased risk of QTc prolongation was associated with the use of CDK4/6i (RR = 2.35, 95% CI = 1.67 to 3.29, P < .001; I2 = 44%). Subgroup analyses revealed a significant increase in the QTc interval for the ribociclib and palbociclib cohorts. The ribociclib subgroup showed a relative risk of 3.12 (95% CI = 2.09 to 4.65, P < .001; I2 = 12%), whereas the palbociclib subgroup had a relative risk of 1.51 (95% CI = 1.05 to 2.15, P = .025; I2 = 0%).</p><p><strong>Conclusion: </strong>Palbociclib was associated with QTc prolongation; however, the relative risk for any grade QTc was quantitively twice with ribociclib. Furthermore, grade 3 QTc prolongations were observed exclusively with ribociclib. These results are important for guiding clinical decision-making and provide reassurance regarding the overall safety profile of this drug class.</p>","PeriodicalId":14681,"journal":{"name":"JNCI Cancer Spectrum","volume":null,"pages":null},"PeriodicalIF":3.4,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11460542/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142287468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}