Publications by authors named "Carol De Santis"

Article Synopsis
  • * A study found that as age increases, the likelihood of older adults receiving antiviral treatment decreases, with only 35.2% of those aged 90 and above receiving it.
  • * Among patients aged 65 and older, those who did not receive antiviral treatment were more likely to suffer severe outcomes, indicating a need for improved antiviral access for older populations.
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Article Synopsis
  • The study investigates trends and outcomes associated with donor oocyte embryo transfer cycles in the US from 2013 to 2020, focusing on whether the state of the oocyte (fresh or frozen) affects clinical pregnancy and live birth rates.* -
  • Over the study period, the use of frozen embryos significantly increased, but live birth rates were found to be lower with frozen donor oocytes compared to fresh ones for both types of embryo transfer cycles.* -
  • The analysis also reports the rates of successful live births and neonates with healthy birthweights, with findings indicating that fresh donor embryos yield better outcomes than frozen ones.*
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Objective: To describe characteristics, trends, and outcomes of international gestational surrogacy cycles in the United States (US).

Design: Retrospective cohort study.

Setting: All assisted reproductive technology cycles in the US reported to the Society for Assisted Reproductive Technology Clinic Outcome Reporting Systems that included an embryo transfer to a gestational carrier from 2014 to 2020.

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Missing race/ethnicity data are common in many surveillance systems and registries, which may limit complete and accurate assessments of racial and ethnic disparities. Centers for Disease Control and Prevention's National Assisted Reproductive Technology (ART) Surveillance System (NASS) has a congressional mandate to collect data on all ART cycles performed by fertility clinics in the United States and provides valuable information on ART utilization and treatment outcomes. However, race/ethnicity data are missing for many ART cycles in NASS.

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Objective: To examine whether the (1) scope of state-mandated insurance coverage for assisted reproductive technology (ART) and (2) proportion of the population eligible for this coverage are associated with reductions in racial/ethnic inequities in ART utilization.

Design: National cross-sectional, ecologic study.

Subjects: We employed estimates from the US Census Bureau of all women 20-44 years of age living in the US in 2018.

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Objective: To estimate uptake of influenza, tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap), and COVID-19 vaccines during pregnancy and describe vaccine attitudes and beliefs among predominantly racial and ethnic minority individuals delivering at a publicly funded hospital.

Methods: We collected survey and electronic medical record data for English-speaking postpartum individuals who delivered a live-born infant from July 7, 2022, through August 21, 2022, and agreed to participate in our study. The 58-item survey included questions about general vaccine attitudes and beliefs as well as vaccine-specific questions.

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Methylimidazolium ionic liquids (MILs) are solvent chemicals used in industry. Recent work suggests that MILs are beginning to contaminate the environment and lead to exposure in the general population. In this study, the potential for MILs to cause cardiac toxicity has been examined.

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Objective: To examine trends of frozen embryo transfer (FET) proportions and large-for-gestational-age (LGA) incidence and determine risk factors for LGA infants after FET.

Design: Retrospective cohort study.

Setting: Not applicable.

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Article Synopsis
  • In 2016, the FDA updated regulations to make it easier for people to access donated embryos for reproductive use, highlighting the need for current data on embryo donation cycles.
  • The study analyzed trends and outcomes related to frozen donated embryo transfers in the US from 2004 to 2019, focusing particularly on the years 2016 to 2019, to provide valuable insights for patients and healthcare providers.
  • Results showed an increase in both the number of frozen embryo transfers and their success rates, with 53.4% leading to pregnancy and 43.5% resulting in live births during the more recent years analyzed.
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Article Synopsis
  • The study investigates how state-mandated insurance coverage for fertility services impacts patients’ decisions to continue or discontinue assisted reproductive technology (ART) care after a failed cycle.
  • Researchers analyzed data from U.S. fertility clinics between 2016 and 2018, focusing on patients who did not achieve a live birth after their first ART cycle.
  • Results showed that a significant portion (26.4%) of patients discontinued care, prompting further examination of the relationship between the extent of insurance coverage and the rates of discontinuation.
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Background: This study was aimed at examining the risks of subsequent primary cancers (SPCs) among breast cancer survivors by hormone receptor (HR) status and age at diagnosis.

Methods: Data from 12 Surveillance, Epidemiology, and End Results registries were used to identify 431,222 breast cancer survivors (at least 1 year) diagnosed between the ages of 20 and 84 years from 1992 to 2015. Risks of SPCs were measured as the standardized incidence ratio (SIR) and the excess absolute risk (EAR) per 10,000 person-years.

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The American Cancer Society (ACS) recommends that individuals with a cervix initiate cervical cancer screening at age 25 years and undergo primary human papillomavirus (HPV) testing every 5 years through age 65 years (preferred); if primary HPV testing is not available, then individuals aged 25 to 65 years should be screened with cotesting (HPV testing in combination with cytology) every 5 years or cytology alone every 3 years (acceptable) (strong recommendation). The ACS recommends that individuals aged >65 years who have no history of cervical intraepithelial neoplasia grade 2 or more severe disease within the past 25 years, and who have documented adequate negative prior screening in the prior 10 years, discontinue all cervical cancer screening (qualified recommendation). These new screening recommendations differ in 4 important respects compared with the 2012 recommendations: 1) The preferred screening strategy is primary HPV testing every 5 years, with cotesting and cytology alone acceptable where access to US Food and Drug Administration-approved primary HPV testing is not yet available; 2) the recommended age to start screening is 25 years rather than 21 years; 3) primary HPV testing, as well as cotesting or cytology alone when primary testing is not available, is recommended starting at age 25 years rather than age 30 years; and 4) the guideline is transitional, ie, options for screening with cotesting or cytology alone are provided but should be phased out once full access to primary HPV testing for cervical cancer screening is available without barriers.

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Compared with white women, black women have higher incidence rates for triple-negative breast cancer but lower rates for hormone receptor (HR)-positive cancers in the United States. Whether similar racial difference occurs in male breast cancer is unclear. We examined racial differences in incidence rates of breast cancer subtypes defined by HR and human epidermal growth factor receptor 2 (HER2) by sex using nationwide data from 2010 to 2016.

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This article is the American Cancer Society's biennial update on female breast cancer statistics in the United States, including data on incidence, mortality, survival, and screening. Over the most recent 5-year period (2012-2016), the breast cancer incidence rate increased slightly by 0.3% per year, largely because of rising rates of local stage and hormone receptor-positive disease.

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Adults aged 85 years and older, the "oldest old," are the fastest-growing age group in the United States, yet relatively little is known about their cancer burden. Combining data from the National Cancer Institute, the North American Association of Central Cancer Registries, and the National Center for Health Statistics, the authors provide comprehensive information on cancer occurrence in adults aged 85 years and older. In 2019, there will be approximately 140,690 cancer cases diagnosed and 103,250 cancer deaths among the oldest old in the United States.

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Background: A previous study reported that Eastern-African-born black women in the United States had lower prevalence of estrogen receptor-negative breast cancer than those in US-born and Western-African-born black women, among whom the prevalence was similar. It is unknown whether the prevalence of triple-negative breast cancer (negative for estrogen receptor, progesterone receptor, and human epidermal growth factor 2 receptor) among black women in the United States differs similarly by birthplace.

Methods: In the National Program of Cancer Registries and US Cancer Statistics, the authors identified 65,211 non-Hispanic black women who were diagnosed with invasive breast cancer from 2010 through 2015 and were recorded as being born in the United States, East Africa, West Africa, or the Caribbean.

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Destruction of the established tumour vasculature by a class of compound termed Vascular Disrupting Agents (VDAs) is showing considerable promise as a viable approach for the management of solid tumours. VDAs induce a rapid shutdown and collapse of tumour blood vessels, leading to ischaemia and consequent necrosis of the tumour mass. Their efficacy is hindered by the persistence of a viable rim of tumour cells, supported by the peripheral normal vasculature, necessitating their co-administration with additional chemotherapeutics for maximal therapeutic benefit.

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In the United States, African American/black individuals bear a disproportionate share of the cancer burden, having the highest death rate and the lowest survival rate of any racial or ethnic group for most cancers. To monitor progress in reducing these inequalities, every 3 years the American Cancer Society provides the estimated number of new cancer cases and deaths for blacks in the United States and the most recent data on cancer incidence, mortality, survival, screening, and risk factors using data from the National Cancer Institute, the North American Association of Central Cancer Registries, and the National Center for Health Statistics. In 2019, approximately 202,260 new cases of cancer and 73,030 cancer deaths are expected to occur among blacks in the United States.

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Survivorship statistics demonstrate that the incidence of cancer continues to rise worldwide, with a further 60% increase in diagnoses predicted by 2030 attributed to lifestyle risk factors, screening programmes resulting in earlier diagnosis but also the changing demographics of the population. More than a third of new cancer diagnoses and almost half of cancer survivors are now aged 70 years or older. Despite this increasing incidence, worldwide five-year cancer survival rates have improved significantly over the past two decades.

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Purpose: Previous studies reported increasing rates of metastatic breast cancer among young US women. However, these studies were based on limited geographic areas and did not account for the sharp decline in unknown-stage disease. In this study, we examined trends in early-onset breast cancer incidence rates by stage at diagnosis in a national dataset, after correcting for temporal changes in unstaged disease.

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Background & Aims: There is limited information on contemporary incidence rates and trends, by race, ethnicity, and age, for major subtypes of esophageal and gastric cancer in the United States. We examined the most recent nationwide incidence data for esophageal squamous cell carcinoma, esophageal adenocarcinoma (EAC), gastric cardia adenocarcinoma (GCA), and gastric non-cardia adenocarcinoma (GNCA) by race, ethnicity, and age in the United States.

Methods: Average contemporary incidence rates (2010-2014) and annual percent changes in rates (from 1997 through 2014) by race, ethnicity, and age were calculated for each cancer subtype using nationwide data compiled by the North American Association of Central Cancer Registries.

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The rodent pancreatic AR42J-B13 (B-13) cell line differentiates into non-replicative hepatocyte-like cells in response to glucocorticoid mediated via the glucocorticoid receptor (GR). The aims of this study were to identify a human cell line that responds similarly and investigate the mechanisms underpinning any alteration in differentiation. Exposing the human pancreatic adenocarcinoma (HPAC) cell line to 1-10 µM concentrations of dexamethasone (DEX) resulted an inhibition of proliferation, suppressed carcinoembryonic antigen expression, limited expression of pancreatic acinar and hepatic gene expression and significant induction of the constitutively-expressed hepatic CYP3A5 mRNA transcript.

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