Τετάρτη 25 Μαΐου 2022

Association of breakfast consumption frequency with fasting glucose and insulin sensitivity/b cells function (HOMA-IR) in adults from high-risk families for type 2 diabetes in Europe: the Feel4Diabetes Study

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European Journal of Clinical Nutrition, Published online: 25 May 2022; doi:10.1038/s41430-022-01160-z

Association of breakfast consumption frequency with fasting glucose and insulin sensitivity/b cells function (HOMA-IR) in adults from high-risk families for type 2 diabetes in Europe: the Feel4Diabetes Study
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Olutasidenib (FT-2102) in patients with relapsed or refractory IDH1-mutant glioma: a multicenter, open-label, phase 1b/2 trial

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Abstract
Background
Olutasidenib (FT2102) is a highly potent, orally bioavailable, brain-penetrant and selective inhibitor of mutant isocitrate dehydrogenase 1 (IDH1). The aim of the study was to determine the safety and clinical activity of olutasidenib in patients with relapsed/refractory gliomas harboring an IDH1  R132X mutation.
Methods
This was an open-label, multicenter, non-randomized, phase 1b/2 clinical trial. Eligible patients (≥18 years) had histologically confirmed IDH1  R132Xmutated glioma that relapsed or progressed on or following standard therapy and had measurable disease. Patients received olutasidenib, 150 mg orally twice daily (BID) in continuous 28-day cycles. The primary endpoints were dose-limiting toxicities (DLTs) (cycle 1) and safety in phase 1 and objective response rate using the Modified Res ponse Assessment in Neuro-Oncology criteria in phase 2.
Results
Twenty-six patients were enrolled and followed for a median 15.1 months (7.3‒19.4). No DLTs were observed in the single-agent glioma cohort and the pharmacokinetic relationship supported olutasidenib 150 mg BID as the recommended phase 2 dose. In the response-evaluable population, disease control rate (objective response plus stable disease) was 48%. Two (8%) patients demonstrated a best response of partial response and eight (32%) had stable disease for at least 4 months. Grade 3‒4 adverse events (≥10%) included alanine aminotransferase increased and aspartate aminotransferase increased (three [12%], each).
Conclusions
Olutasidenib 150 mg BID was well tolerated in patients with relapsed/refractory gliomas harboring an IDH1  R132X mutation and demonstrated preliminary evidence of clinical activity in this heavily pretreated populat ion.
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Τρίτη 24 Μαΐου 2022

Utility of prophylactic percutaneous endoscopic gastrostomy tube in head and neck cancer patients undergoing concurrent chemoradiation: A prospective observational cohort

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Publication date: Available online 23 May 2022

Source: American Journal of Otolaryngology

Author(s): Tanadech Dechaphunkul, Pawitra Soonthornrak, Sarayut Lucien Geater, Arunee Dechaphunkul

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Advanced Achalasia Mimicking Delayed Gastric Emptying During Standard Gastric Emptying Scintigraphy

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imageAn 82-year-old man underwent outpatient nuclear medicine gastric-emptying scintigraphy (GES) for dysphagia and regurgitation. Standard solid-meal GES showed significant elongated tracer retention with calculated 96% retention rate at 3 hours, with a presumed diagnosis of delayed gastric emptying. Subsequent CT of the chest and abdomen and upper gastrointestinal fluoroscopy instead showed normal size and function of the stomach but an enormously dilated esophagus with food debris, compatible with achalasia. Attention should be made on the location and shape of the visualized "stomach" and recognize that significantly di lated esophagus can mimic an elongated stomach during GES.
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Δευτέρα 23 Μαΐου 2022

Understanding Variation in Rotavirus Vaccine Effectiveness Estimates

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Background: Estimates of rotavirus vaccine effectiveness (VE) in the U.S. appear higher in years with more rotavirus activity. We hypothesized rotavirus VE is constant over time but appears to vary as a function of temporal variation in local rotavirus cases and/or misclassified diagnoses. Methods: We analyzed 6 years of data from eight U.S. surveillance sites on 8-59-month olds with acute gastroenteritis symptoms. Children's stool samples were tested via enzyme immunoassay (EIA); rotavirus-positive results were confirmed with molecular testing at the US Centers for Disease Control and Prevention (CDC). We defined rotavirus gastroenteritis cases by either positive on-site EIA results alone or positive EIA with CDC confirmation. For each case definition, we estimated VE against any rotavirus gastroenteritis, moderate-to-severe disease, and hospitalization using two mixed-effect regression models: the first including year plus a year–vaccination interaction, and the second including annual percent of rotavirus positive tests plus a percent positive–vaccination interaction. We used multiple overimputation to bias-adjust for misclassification of cases defined by positive EIA alone. Results: Estimates of annual rotavirus VE against all outcomes fluctuated temporally, particularly when we defined cases by on-site EIA alone and used a year–vaccination interaction. Use of confirmatory testing to define cases reduced, but did not eliminate, fluctuations. Temporal fluctuations in VE estimates further attenuated when we used a percent positive–vaccination interaction. Fluctuations persisted until bias-adjustment for diagnostic misclassification. Conclusions: Both controlling for time-varying rotavirus activity and bias-adjusting for diagnostic misclassification are critical for estimating the most valid annual rotavirus VE. Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.
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Promoter hypermethylation of GALR1 acts as an early epigenetic susceptibility event in colorectal carcinogenesis

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Κυριακή 22 Μαΐου 2022

Characteristics of Children ≤36 Months of Age with Diffuse Intrinsic Pontine Glioma (DIPG): A Report from the International DIPG Registry

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ABSTRACT:
Background
Children ≤36 months with Diffuse Intrinsic Pontine Glioma (DIPG) have increased long-term survival (LTS, overall survival (OS) ≥24 months). Understanding distinguishing characteristics in this population is critical to improving outcomes.
Methods
Patients ≤36 months at diagnosis enrolled on the International DIPG Registry (IDIPGR) with central imaging confirmation were included. Presentation, clinical course, imaging, pathology and molecular findings were analyzed.
Results
Among 1183 patients in IDIPGR, 40 were eligible (median age: 29 months). Median OS was 15 months. Twelve patients (30%) were LTS, 3 (7.5%) very long-term survivors ≥ 5 years. Among 8 untreated patients, median OS was 2 months. Patients enrolled in the registry but excluded from our study by central radiology review or tissue diagnosis had median OS of 7 months. All but 1 LTS received radiation. Among 32 treated patients, 1-, 2-, 3 -, and 5-year OS rates were 68.8%, 31.2%, 15.6% and 12.5%, respectively. LTS had longer duration of presenting symptoms (p=0.018). No imaging features were predictive of outcome. Tissue and genomic data were available in 18 (45%) and 10 patients, respectively. Among 9 with known H3K27M status, 6 had a mutation.
Conclusions
Children ≤36 months demonstrated significantly more LTS, with an improved median OS of 15 months; 92% of LTS received radiation. Median OS in untreated children was 2 months, compared to 17 months for treated children. LTS had longer duration of symptoms. Excluded patients demonstrated a lower OS, contradicting the hypothesis that children ≤36 months with DIPG show improved outcomes due to misdiagnosis.
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