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Obstructive sleep apnea (OSA) is a prevalent condition causing unrefreshing sleep and excessive daytime sleepiness. It has individual socioeconomic impacts and, through association with increased risk of road traffic accidents, diabetes, and cardiovascular disease, OSA is a public health issue. Continuous positive airway pressure (CPAP) is the first-line treatment for moderate-to-severe OSA. It is effective in improving excessive daytime sleepiness and quality of life. There is also evidence that CPAP therapy has cardiovascular benefits although nature and extent remain uncertain. Despite its benefits, a significant proportion of patients are unable to tolerate CPAP. There are also patients with mild but symptomatic disease, for whom CPAP is usually not available or appropriate, so there is a need for other treatment options. Mandibular advancement devices (MADs) offer an effective alternative to CPAP and can improve daytime symptoms and quality of life. ML198 chemical structure There are many devices available, representing a range of complexity and cost. It is challenging to properly evaluate the effectiveness of this ever-evolving range. The more basic MADs are cheaper and more accessible but are less well tolerated. More complex devices are better tolerated and may be more effective. However, they are more expensive and often require dental expertise, so access is more limited. Efforts continue to try to improve accessibility to effective MAD therapy. Alongside increasing awareness, this may be facilitated by developing and refining devices that could be fitted by non-dental clinicians, and potentially by patients themselves. Research efforts need to focus on determining how to efficiently identify patients who are likely to respond to MAD therapy, so as to improve clinical and cost-effectiveness of OSA therapy overall.Robotic surgery has progressively gained popularity in the treatment of rectal cancer. However, only a few studies on its oncologic effectiveness are currently present, with contrasting results. The purpose of this study is to report a single surgeon's experience on robotic rectal resection (RRR) for cancer, focusing on the analysis of oncologic outcomes, both in terms of pathological features and long-term results. One-hundred and twenty-two consecutive patients who underwent RRR for rectal cancer from January 2013 to December 2019 were retrospectively enrolled. Patients' characteristics and perioperative outcomes were collected. The analyzed oncologic outcomes were pathological features [distal (DM), circumferential margin (CRM) status and quality of mesorectal excision (TME)] and long-term outcomes [overall (OS) and disease-free survival (DFS)]. The mean operative time was 275 (± 60.5) minutes. Conversion rate was 6.6%. Complications occurred in 27 cases (22.1%) and reoperation was needed in 2 patients (1.5%). The median follow-up was 30.5 (5.9-86.1) months. None presented DM positivity. CRM positivity was 2.5% (2 cases) while a complete TME was reached in 94.3% of cases (115 patients). Recurrence rate was 5.7% (2 local, 4 distant and 1 local plus distant tumor relapse). OS and DFS were 90.7% and 83%, respectively. At the multivariate analysis, both CRM positivity and near complete/incomplete TME were recognized as negative prognostic factors for OS and DFS. Under appropriate logistic and operative conditions, robotic surgery for rectal cancer proves to be oncologically effective, with adequate pathological results and long-term outcomes. It also offers acceptable peri-operative outcomes, further confirming the safety and feasibility of the technique.Bitter taste receptors (TAS2R) are involved in a variety of non-tasting physiological processes, including immune-inflammatory ones. Therefore, their genetic variations might influence various traits. In particular, in different populations of South Italy (Calabria, Cilento, and Sardinia), polymorphisms of TAS2R16 and TAS238 have been analysed in association with longevity with inconsistent results. A meta-analytic approach to quantitatively synthesize the possible effect of the previous variants and, possibly, to reconcile the inconsistencies has been used in the present paper. TAS2R38 variants in the Cilento population were also analysed for their possible association with longevity and the obtained data have been included in the relative meta-analysis. In population from Cilento no association was found between TAS2R38 and longevity, and no association was observed as well, performing the meta-analysis with data of the other studies. Concerning TAS2R16 gene, instead, the genotype associated with longevity in the Calabria population maintained its significance in the meta-analysis with data from Cilento population, that, alone, were not significant in the previously published study. In conclusion, our results suggest that TAS2R16 genotype variant is associated with longevity in South Italy.
To report the efficacy and safety of povidone-iodine sclerotherapy of primary symptomatic lymphocele after kidney transplantation in a large contemporary cohort study.
A single-institutional study was conducted including consecutive patients who underwent povidone-iodine sclerotherapy for primary symptomatic lymphocele after kidney transplantation between January 2013 and March 2020. Sclerotherapy was used as the first-line treatment of symptomatic lymphocele. Recurrent lymphoceles were managed with open or laparoscopic fenestration. The primary outcome was the efficacy of sclerotherapy which was defined as the absence of second sclerotherapy or salvage surgery.
A total of 965 renal transplantations were included. Sclerotherapy for primary symptomatic lymphocele was performed in 60 cases (6.2%). The median (IQR) number of instillation, the volume of povidone-iodine per instillation and drainage time were 3 (3-3), 60 (38-80) mL and 6days (5-8), respectively. Sclerotherapy related complications were reporer studies are necessary to identify predictive factors of sclerotherapy failure to directly refer patients to surgical treatment.Arachidonic acid (AA)-induced platelet aggregation (PA) and serum thromboxane B2 (TxB2) inhibition are widely used to indicate cyclooxygenase-1 activity and the antiplatelet effect of acetylsalicylic acid (ASA). Despite decades of investigations, the relation between these measurements remains unclear. We sought to evaluate the relation between AA-PA and serum TxB2 inhibition. We serially measured AA-PA (conventional aggregation), serum TxB2, plasma ASA and salicylic acid (SA) (liquid chromatography-mass spectrometry), and urinary 11-dehydro thromboxane B2 (u11-dh TxB2) (enzyme-linked immunosorbent assay) levels at 10 times over 24 hours in seventeen healthy volunteers receiving a single dose of 162 mg chewed and swallowed ASA (n = 6), 50 mg inhaled ASA (n = 6), or 100 mg inhaled ASA (n = 5) (ClinicalTrials.gov Identifier NCT04328883, April 1, 2020). Baseline variability was more pronounced with serum TxB2 (31-680 ng/mL) as compared to maximal AA-PA (65-81%) and u11-dh TxB2 (1556-4440 pg/mg creatinine). The relation between serum TxB2 inhibition and AA-PA was stepwise; after 30-40% inhibition of serum TxB2, AA-PA fell to 95% inhibition of serum TxB2 to indicate the level of platelet COX-1 inhibition needed for clinical efficacy may be overestimated and should be re-considered in future translational research investigations that attempt to link the clinical efficacy of ASA with a laboratory measurement cutoff.The listing of the author names and affiliations, which previously read.
The Ras/Raf/mitogen-activated protein kinase kinase/extracellular signal-regulated kinase (Ras/Raf/MEK/ERK) signaling cascade is frequently constitutively activated in human cancers. Pimasertib is a selective and potent adenosine triphosphate non-competitive MEK1/2 inhibitor.
Our objectives were to describe the results of a phase I, first-in-human, dose-escalation trial of pimasertib that investigated the maximum tolerated dose, recommended phase II dose, and safety, as well as other endpoints.
Four dosing schedules of pimasertib (once daily [qd], 5 days on, 2 days off; qd, 15 days on, 6 days off; continuous qd; continuous twice daily [bid]) were evaluated in patients with advanced solid tumors. Each treatment cycle lasted 21days. The primary objective was to determine the maximum tolerated dose based on dose-limiting toxicities (DLTs) evaluated during cycle 1, and the recommended phase II dose (RP2D). Secondary objectives included safety, pharmacokinetics, pharmacodynamics, and antitumor activity.
Overall, 180 patients received pimasertib (dose range 1-255 mg/day). DLTs were mainly observed at doses ≥ 120 mg/day and included skin rash/acneiform dermatitis and ocular events, such as serous retinal detachment. The most common drug-related adverse events were consistent with class effects, including diarrhea, skin disorders, ocular disorders, asthenia/fatigue, and peripheral edema. The median time to maximum pimasertib concentration was 1.5 h across dosing schedules, and the apparent terminal half-life was 5 h across qd dosing schedules. Pimasertib decreased ERK phosphorylation within 2 h of administration, which was maintained for up to 8 h at higher doses and prolonged with bid dosing.
Based on the safety profile and efficacy signals, a continuous bid regimen was the preferred dosing schedule and the RP2D was defined as 60 mg bid.
ClinicalTrials.gov, NCT00982865.
ClinicalTrials.gov, NCT00982865.
Assess feasibility, acceptability, and preliminary efficacy of an integrated symptom management and lifestyle intervention (SMLI) to improve adherence to the American Cancer Society's (ACS) Guidelines on Nutrition and Physical Activity in Latina cancer survivors and their informal caregivers (dyads).
Forty-five dyads were randomized to a 12-week telephone-delivered intervention or attention control. Intervention effects on nutrition, physical activity, symptom burden, and self-efficacy for symptom management were estimated using Cohen's ds.
Mean age was 64 for survivors and 53 for caregivers. Feasibility was demonstrated by the 63% consent rate out of approached dyads. The SMLI was acceptable for 98% of dyads. Among survivors, medium-to-large effect sizes were found for increased servings of total fruits and vegetables (d= 0.55), vegetables (d= 0.72), and decreased sugar intake (d= - 0.51) and medium clinically significant effect sizes for total minutes of physical activity per week (d= 0.42) and grams of fiber intake per day (d= 0.40) for intervention versus attention control. Additionally, medium-to-large intervention effects were found for the reduction of symptom burden (d= 0.74). For caregivers, medium-to-large intervention effects were found for reduced total sugar intake (d= - 0.60) and sugar intake from sugar-sweetened beverages (d= - 0.65); vegetable intake was increased with a medium effect size (d= 0.41).
SMLI was feasible and acceptable for both dyadic members. A larger, well-powered trial is needed to formally evaluate SMLI effectiveness.
Integrating symptom management with lifestyle behavior interventions may increase adherence to the ACS guidelines on nutrition and physical activity to prevent new and recurrent cancers.
Integrating symptom management with lifestyle behavior interventions may increase adherence to the ACS guidelines on nutrition and physical activity to prevent new and recurrent cancers.
Website: https://www.selleckchem.com/products/ml198.html
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