Publications by authors named "Sara Bosio"

Purpose: The impact of dietary counseling on body composition in early breast cancer patients (EBC) treated with aromatase inhibitors (AIs) is uncertain. The aim of this study was to assess the effects of a diet counseling program on weight, BMI, total and regional body composition in patients treated with AIs.

Methods: This observational study involved 194 EBC patients, of which 97 attended a 6-month personalized counseling program, based on Mediterranean diet principles (cohort A) and 97 did not (cohort B).

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Background: Vulvodynia (VVD) is a debilitating chronic vulvar pain significantly affecting patients' quality of life. Interstitial cystitis/bladder pain syndrome (IC/BPS) is a chronic and complex illness characterized by an unpleasant sensation related to the filling of the bladder and it strongly impacts patients' lives. The exact mechanisms of the two syndromes remain unknown, but there is an overlap between suspected pathophysiologies.

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: A consensus regarding the optimal sonographic technique for measuring vaginal wall thickness (VWT) is still absent in the literature. This study aims to validate a new method for measuring VWT using a biplanar transvaginal ultrasound probe and assess both its intra-operator and inter-operator reproducibility. : This prospective study included patients with genitourinary syndrome of menopause-related symptoms.

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Article Synopsis
  • The study aimed to understand how lifestyle changes and medical factors can help early breast cancer patients avoid weight gain during and after chemotherapy.
  • Researchers assessed diet and physical activity using questionnaires and followed patients' adherence to the Mediterranean diet, analyzing their weight changes over time.
  • Results showed that nearly 58% of participants maintained stable weight, while those who followed dietary advice experienced less weight gain, indicating that Mediterranean diet principles help prevent weight gain in normal weight women and support weight loss in those who are overweight or obese.
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Article Synopsis
  • * Key symptoms included frequent urination (77.3%), while only 13.4% felt these issues negatively impacted their quality of life.
  • * Identified risk factors for LUTS included overweight and obesity, advanced maternal age, smoking, and poor pelvic floor contraction, highlighting the need for prevention and counseling during pregnancy care.
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The objective of this work is to assess the 5-year outcomes of patients undergoing conization for high-grade cervical lesions that simultaneously present as risk factors in the persistence of HPV infection and the positivity of surgical resection margins. This is a retrospective study evaluating patients undergoing conization for high-grade cervical lesions. All patients included had both positive surgical margins and experienced HPV persistence at 6 months.

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Background/aim: Chemotherapy-induced taste alterations (TAs) affect approximately 53-84% of breast cancer patients with significant consequences on flavor perception, possibly leading to food aversion and changes in daily dietary habits. The aim of this study was to investigate the relationship between TAs and changes in food habits and body weight among early breast cancer (EBC) patients undergoing adjuvant chemotherapy.

Patients And Methods: TAs were prospectively evaluated in 182 EBC patients from April 2014 to June 2018.

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Purpose: Dysgeusia and taste alterations (TAs) are side effects of cytotoxic chemotherapy and affect patients' quality of life; however, the prevalence, types, and duration of TAs and their potential relationship with other clinical disturbances are not well-described. Our primary aim was to prospectively evaluate the characteristics of TAs in early breast cancer (EBC) patients during (neo)adjuvant chemotherapy and up to 1 year after its completion.

Methods: From April 2014 to June 2018, 182 EBC patients entered the study and received (neo)adjuvant chemotherapy, mostly with taxane and anthracycline-containing regimens (65% of cases).

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Cervical dysplasia persistence/recurrence has a great impact on women's health and quality of life. In this study, we investigated whether a prognostic nomogram may improve risk assessment after primary conization. This is a retrospective multi-institutional study based on charts of consecutive patients undergoing conization between 1 January 2010 and 31 December 2014.

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Pelvic floor disorders (PFDs) include a series of conditions that can be poorly tolerated, negatively affecting the quality of life. Current treatment options show unsatisfactory results and new ones are therefore needed. Stem cell (SC) therapy might be an alternative treatment strategy.

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Change in eating habits in early breast cancer (EBC) patients during chemotherapy has been poorly studied in the literature. The primary aim of this study was to prospectively evaluate food preferences and weight change in EBC patients before and after adjuvant chemotherapy. From April 2014 to June 2018, 205 EBC patients underwent a dietary assessment according to the following timeline: baseline evaluation (one week before starting chemotherapy, T0); first follow-up (approximately 2-3 months after starting chemotherapy, T1); final follow-up (one week after chemotherapy end, T2).

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Article Synopsis
  • The study aimed to assess the outcomes of high-risk HPV-positive and negative women with high-grade cervical dysplasia through a retrospective analysis of medical records from 2010 to 2014.
  • A total of 2,966 women were included, with 85% being HR-HPV-positive; results indicated that HR-HPV-positive patients had a significantly higher risk of recurrence after conization compared to HR-HPV-negative patients.
  • The findings suggest that while HR-HPV-negative high-grade dysplasia accounts for 15% of cases, these patients generally have better outcomes, highlighting the need for further research to validate these results.
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Objective: During the Coronavirus disease-2019 (COVID-19) pandemic deferable access, including non-urgent outpatient visits, have been suspended. In our practice non-urgent routine visits for pelvic floor symptom assessment were discontinued and rescheduled, and telephone interview was performed. The aim was to evaluate patients’ satisfaction for this alternative approach.

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Objective: Conization aims to remove pre-neoplastic lesions of the uterine cervix. Several techniques for conization have been compared, but evidence regarding the most effective therapeutic option is scant. Here, we aimed to compare the recurrence rate following laser conization and loop electrosurgical excision procedure (LEEP) in patients with high-grade cervical dysplasia (HSIL/CIN2+).

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Purpose: To investigate oncological outcomes and patterns of recurrence of patients undergoing adjuvant "sandwich" chemo-radio-chemotherapy for locally advanced endometrial cancer.

Methods: This is a multi-institutional retrospective study evaluating chart of consecutive patients undergoing chemo-radio-chemotherapy for FIGO stage III-IVA endometrial caner.

Results: The study population included 45 patients who had adjuvant sandwich regimen.

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Objective: SARS-CoV-2 pandemic is continuing to spread. There are growing concerns on the impact of COVID-19 in cancer patients. Several papers reporting recommendations and guidelines are published.

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Article Synopsis
  • Ovarian cancer has a high mortality rate, and despite many patients responding well initially to treatment, 65-80% experience recurrence within five years, often indicating a poor prognosis, especially if recurrence occurs within six months after platinum-based chemotherapy.
  • Current treatment for platinum-resistant ovarian cancer mainly involves single-agent chemotherapy, but other treatment options have not shown promising results.
  • Although immunotherapy has shown potential in treating various solid tumors, there is currently not enough strong evidence to recommend its routine use for platinum-resistant ovarian cancer, suggesting a need for further research and strategies.
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At the beginning of 2020, coronavirus disease 2019 (COVID-19) spreads worldwide. Patients with ovarian cancer should be considered at high-risk of developing severe morbidity related to COVID-19. Most of them are diagnosed in advanced stages of disease, and they are fragile.

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Photochirogenesis, the control of chirality in photoreactions, is one of the most challenging problems in stereocontrolled photochemistry, in which the stereodifferentiation has to be imprinted within the short lifetime of the electronically excited state. Singlet oxygen (1O2), an electronically excited molecule that is known to be sensitive to vibrational deactivation, has been selected as a model case for testing stereoselective control by vibrational deactivation. The stereoselectivity in the reaction of 1O2 with E/Z enecarbamates 1, equipped with the oxazolidinone chiral auxiliary, has been examined for the mode selectivity ([2 + 2]-cycloaddition versus ene-reaction) and the stereoselectivity in the oxidative cleavage of the alkenyl functionality to the methyldesoxybenzoin (MDB) product.

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The stereochemical course of the oxidation of chiral oxazolidinone-substituted enecarbamates has been studied for singlet oxygen ((1)O(2)), dimethyldioxirane (DMD), and m-chloroperbenzoic acid (mCPBA) by examining of the special structural and stereoelectronic features of the enecarbamates. Valuable mechanistic insight into these selective oxidations is gained. Whereas the R(1) substituent on the chiral auxiliary is responsible for the steric shielding of the double bond and determines the sense of the pi-facial diastereoselectivity, structural characteristic such as the Z/E configuration and the nature of the R(2) group on the double bond are responsible for the extent of the diastereoselectivity.

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Oxazolidinone-substituted enecarbamates represent a mechanistically rich system for the study of stereoelectronic, steric, and conformational effects on stereoselectivity and mode selectivity in (1)O(2) [2 + 2] and ene reactions. Photooxygenation of these enecarbamates with (1)O(2) leads to diastereomerically pure dioxetanes that decompose to yield an oxazolidinone carbaldehyde and one of the two enantiomers of methyldesoxybenzoin in enantiomeric excess. Stereoselectivity originates at the allylic stereocenter, a result supported by quenching studies, computational analysis, and deuterium solvent isotope effects.

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[reaction: see text] Reactions in which zeolites are modified with chiral inductors to serve as media for chiral induction are often limited by the propensity of both substrate and inductor to occupy the same supercage. Herein, we report a "ship in bottle" strategy utilizing the thermal decomposition of dioxetanes obtained from oxazolidinone-substituted enecarbamates for the enantioselective generation of methyl desoxybenzoin (MDB). Photoexcitation of the supramolecular geminate molecular pair results in enrichment of the opposite enantiomer of MDB.

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[structure: see text] Chiral oxazolidinone-substituted enecarbamates 1 are epoxidized in a diastereoselectivity up to 93:7 for both DMD and mCPBA. The diastereofacial differentiation depends on the steric interaction between the R(1) substituent on the oxazolidinone ring and the incoming electrophile. The stereochemical course of epoxidation was assessed by chemical correlation with the known optically active diols.

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The geometry of the double bond in oxazolidinone-substituted ene carbamates controls the mode selectivity (ene reaction versus [2+2] cycloaddition) of singlet oxygen through stereoelectronic effects, whereas the chiral auxiliary provides high diastereoselectivity through steric shielding.

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The direct molybdenum-catalyzed sulfuration of a variety of isonitriles with elemental sulfur or propene sulfide as sulfur donors affords the corresponding isothiocyanates in good yields and under mild reaction conditions. A catalytic cycle is suggested, in which the molybdenum oxo disulfur complex operates as the active sulfur-transferring species. A novel adduct between the isonitrile and the molybdenum complex has been characterized by X-ray analysis and its association constant determined by UV-vis spectroscopy, but this adduct appears not to be involved in the sulfur-transfer process.

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