18 research outputs found

    The efficacy of simple oral nutritional supplements versus usual care in postoperative patients with gastric cancer: study protocol for a multicenter, open-label, parallel, randomized controlled trial

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    BACKGROUND: Body weight loss (BWL) after gastrectomy impact on the short- and long-term outcomes. Oral nutritional supplement (ONS) has potential to prevent BWL in patients after gastrectomy. However, there is no consistent evidence supporting the beneficial effects of ONS on BWL, muscle strength and health-related quality of life (HRQoL). This study aimed to evaluate the effects of ONS formulated primarily with carbohydrate and protein on BWL, muscle strength, and HRQoL. METHODS: This will be a multicenter, open-label, parallel, randomized controlled trial in patients with gastric cancer who will undergo gastrectomy. A total of 120 patients who will undergo gastrectomy will be randomly assigned to the ONS group or usual care (control) group in a 1:1 ratio. The stratification factors will be the clinical stage (I or ≥ II) and surgical procedures (total gastrectomy or other procedure). In the ONS group, the patients will receive 400 kcal (400 ml)/ day of ONS from postoperative day 5 to 7, and the intervention will continue postoperatively for 8 weeks. The control group patients will be given a regular diet. The primary outcome will be the percentage of BWL (%BWL) from baseline to 8 weeks postoperatively. The secondary outcomes will be muscle strength (handgrip strength), HRQoL (EORTC QLQ-C30, QLQ-OG25, EQ-5D-5L), nutritional status (hemoglobin, lymphocyte count, albumin), and dietary intake. All analyses will be performed on an intention-to-treat basis. DISCUSSION: This study will provide evidence showing whether or not ONS with simple nutritional ingredients can improve patient adherence and HRQoL by reducing BWL after gastrectomy. If supported by the study results, nutritional support with simple nutrients will be recommended to patients after gastrectomy for gastric cancer. TRIAL REGISTRATION: jRCTs051230012; Japan Registry of Clinical Trails. Registered on Apr. 13, 2023

    Psychological and weight-related characteristics of patients with anorexia nervosa-restricting type who later develop bulimia nervosa

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    <p>Abstract</p> <p>Background</p> <p>Patients with anorexia nervosa-restricting type (AN-R) sometimes develop accompanying bulimic symptoms or the full syndrome of bulimia nervosa (BN). If clinicians could predict who might change into the bulimic sub-type or BN, preventative steps could be taken. Therefore, we investigated anthropometric and psychological factors possibly associated with such changes.</p> <p>Method</p> <p>All participants were from a study by the Japanese Genetic Research Group for Eating Disorders. Of 80 patients initially diagnosed with AN-R, 22 changed to the AN-Binge Eating/Purging Type (AN-BP) and 14 to BN for some period of time. The remaining 44 patients remained AN-R only from the onset to the investigation period. Variables compared by ANOVA included anthropometric measures, personality traits such as Multiple Perfectionism Scale scores and Temperament and Character Inventory scores, and Beck Depression Inventory-II scores.</p> <p>Results</p> <p>In comparison with AN-R only patients, those who developed BN had significantly higher current BMI (p < 0.05) and maximum BMI in the past (p < 0.05). They also scored significantly higher for the psychological characteristic of parental criticism (p < 0.05) and lower in self-directedness (p < 0.05), which confirms previous reports, but these differences disappeared when the depression score was used as a co-variant. No significant differences were obtained for personality traits or depression among the AN-R only patients irrespective of their duration of illness.</p> <p>Conclusion</p> <p>The present findings suggest a tendency toward obesity among patients who cross over from AN-R to BN. Low self-directedness and high parental criticism may be associated with the development of BN by patients with AN-R, although the differences may also be associated with depression.</p

    Discovery of a cystathionine γ-lyase (CSE) selective inhibitor targeting active-site pyridoxal 5′-phosphate (PLP) via Schiff base formation

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    Abstract D,L-Propargylglycine (PAG) has been widely used as a selective inhibitor to investigate the biological functions of cystathionine γ-lyase (CSE), which catalyzes the formation of reactive sulfur species (RSS). However, PAG also inhibits other PLP (pyridoxal-5′-phosphate)-dependent enzymes such as methionine γ-lyase (MGL) and L-alanine transaminase (ALT), so highly selective CSE inhibitors are still required. Here, we performed high-throughput screening (HTS) of a large chemical library and identified oxamic hydrazide 1 as a potent inhibitor of CSE (IC50 = 13 ± 1 μM (mean ± S.E.)) with high selectivity over other PLP-dependent enzymes and RSS-generating enzymes. Inhibitor 1 inhibited the enzymatic activity of human CSE in living cells, indicating that it is sufficiently membrane-permeable. X-Ray crystal structure analysis of the complex of rat CSE (rCSE) with 1 revealed that 1 forms a Schiff base linkage with the cofactor PLP in the active site of rCSE. PLP in the active site may be a promising target for development of selective inhibitors of PLP-dependent enzymes, including RSS-generating enzymes such as cystathionine β-synthase (CBS) and cysteinyl-tRNA synthetase 2 (CARS2), which have unique substrate binding pocket structures

    Planned Safety Analysis of the ACTS-CC 02 Trial: A Randomized Phase III Trial of S-1 With Oxaliplatin Versus Tegafur and Uracil With Leucovorin as Adjuvant Chemotherapy for High-Risk Stage III Colon Cancer

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    Background: This trial was designed to verify the superiority of 6 months of postoperative adjuvant chemotherapy with SOX (S-1 with oxaliplatin) with UFT (tegafur and uracil) with LV (leucovorin) in terms of disease-free survival in patients with high-risk stage III colon cancer. We report the results of a planned safety analysis.Pathients and Methods: Patients who underwent curative resection for high-risk stage III colon cancer (any T, N2, or positive nodes around the origin of the feeding arteries) were randomly assigned to receive either UFT/LV (300-600 mg/d UFT with 75 mg/d LV on days 1-28, every 35 days, for 5 cycles) or SOX (100 mg/m² of oxaliplatin on day 1 with 80-120 mg/d S-1 on days 1-14, every 21 days, for 8 cycles). Treatment status and safety were evaluated.Results: A total of 966 patients were enrolled, and 932 patients were included in safety analyses. The planned 6-month protocol treatment was received by 76.9% of the patients in the UFT/LV group and 65.8% of those in the SOX group. The overall incidence of any Grade adverse events (AEs) were 91.3% in the UFT/LV group and 98.7% in the SOX group, and those of Grade ≥ 3 AEs were 16.1% and 36.1%, respectively. As for Grade ≥ 3 AEs, leukopenia, neutropenia, thrombocytopenia, and sensory neuropathy were more common in the SOX group. The incidence of Grade ≥ 3 sensory peripheral neuropathy was 4.6% in the SOX group.Conclusion: The completion rate of adjuvant SOX and its incidence of AEs were acceptable in patients with colon cancer

    Artificial Ligands of Streptavidin (ALiS): Discovery, Characterization, and Application for Reversible Control of Intracellular Protein Transport

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    Artificial ligands of streptavidin (<b>ALiS</b>) with association constants of ∼10<sup>6</sup> M<sup>–1</sup> were discovered by high-throughput screening of our chemical library, and their binding characteristics, including X-ray crystal structure of the streptavidin complex, were determined. Unlike biotin and its derivatives, <b>ALiS</b> exhibits fast dissociation kinetics and excellent cell permeability. The streptavidin-<b>ALiS</b> system provides a novel, practical compound-dependent methodology for repeated reversible cycling of protein localization between intracellular organella

    Artificial Ligands of Streptavidin (ALiS): Discovery, Characterization, and Application for Reversible Control of Intracellular Protein Transport

    No full text
    Artificial ligands of streptavidin (<b>ALiS</b>) with association constants of ∼10<sup>6</sup> M<sup>–1</sup> were discovered by high-throughput screening of our chemical library, and their binding characteristics, including X-ray crystal structure of the streptavidin complex, were determined. Unlike biotin and its derivatives, <b>ALiS</b> exhibits fast dissociation kinetics and excellent cell permeability. The streptavidin-<b>ALiS</b> system provides a novel, practical compound-dependent methodology for repeated reversible cycling of protein localization between intracellular organella
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