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3.
Aliment Pharmacol Ther ; 59(3): 341-349, 2024 Feb.
Article in English | MEDLINE | ID: mdl-38036761

ABSTRACT

BACKGROUND: Gastric and duodenal ulcerations are common during multiple-dosing aspirin treatment, such as for prevention of cardiovascular disease. On capsule endoscopy, oral administration of the bacterial strain Bifidobacterium breve Bif195 (DSM 33360) reduced the risk of aspirin-induced small intestinal damage, without affecting cyclo-oxygenase-2 (COX-2) inhibition. AIM: To evaluate endoscopically the effect of Bif195 on aspirin-induced stomach and duodenal mucosal damage METHODS: Twenty-five healthy volunteers underwent two intervention periods in a randomised, double-blind, placebo-controlled crossover design including four gastroduodenoscopies and 6 weeks washout. Each intervention was a 4-week oral co-treatment of aspirin 300 mg daily and Bif195 (≥1011 colony-forming units daily) or placebo. Primary endpoint was change in Lanza score - ranging from 0 (normal mucosa) to 4 (>10 erosions or ulcer). RESULTS: All 25 participants (56% females); age 27.3 (±4.8) years; BMI 23.2 (±3.4) kg/m2 , completed the trial exhibiting significant increases in Lanza scores during placebo treatment as compared to baseline. Bif195 reduced gastric Lanza score with an odds ratio of 7.2 (95% confidence interval 1.72-30.08, p = 0.009) compared to placebo with no related adverse events. There were no significant changes in Lanza scores in the duodenum. CONCLUSIONS: Bif195 reduces aspirin-induced gastric mucosal damage and may serve as a safe supplement during multiple-dosing aspirin treatment.


Subject(s)
Anti-Ulcer Agents , Bifidobacterium breve , Duodenal Ulcer , Female , Humans , Adult , Male , Aspirin/pharmacology , Cross-Over Studies , Anti-Ulcer Agents/adverse effects , Duodenal Ulcer/chemically induced , Duodenal Ulcer/drug therapy , Duodenal Ulcer/prevention & control , Gastric Mucosa , Double-Blind Method
4.
J Clin Sleep Med ; 13(2): 283-290, 2017 Feb 15.
Article in English | MEDLINE | ID: mdl-27784415

ABSTRACT

STUDY OBJECTIVES: Autotitrating continuous positive airway pressure (CPAP) devices adjust pressure in response to changes in airflow and are an alternative to attended in-laboratory titration polysomnography (PSG) to determine optimal pressure levels. The aim of this study was to compare the performance of the System One RemStar Auto A-Flex (Philips Respironics, Murrysville, PA, USA) automatically adjusted positive airway pressure (APAP) mode to manually titrated, fixed pressure CPAP and to validate the device's breathing event detection capabilities against attended in-laboratory PSG. METHODS: Sixty-one patients investigated in five centers for moderate to severe obstructive sleep apnea between May 2012 and June 2013 were invited to participate. Participants underwent two full-night attended polysomnograms in random order with manually titrated, fixed pressure CPAP versus APAP. RESULTS: Fifty-three participants with a mean apnea-hypopnea index (AHI) of 45.9 ± 23 completed two sleep studies and were included in the analysis. There were significant but not clinically relevant differences between APAP and CPAP respectively: Apnea index [1.0 (2.8 ± 0.8), median (mean ± standard deviation)] versus [1.8 (5.3 ± 11.5)], p = 0.004; percentage of N1 sleep [12.3 (15.9 ± 0.5)] versus [14.3 (18.9 ± 12.7)], p = 0.028. AHI values differed between PSG [2.8 (5.5. ± 9.3)] and device [3.7 (6.0 ± 8.6)], p = 0.003). Regarding residual events detection, intraclass correlation coefficients for AHI were strong (0.956, p < 0.001) and the area under the curve was 0.988 (AHI cut-off value of 10). CONCLUSIONS: The new APAP modality was effective and residual apnea-hypopnea indices calculated by the device strongly correlated to those assessed by PSG. COMMENTARY: A commentary on this article appears in this issue on page 167.


Subject(s)
Continuous Positive Airway Pressure/instrumentation , Continuous Positive Airway Pressure/methods , Sleep Apnea, Obstructive/therapy , Apnea/physiopathology , Cross-Over Studies , Double-Blind Method , Europe , Female , Humans , Male , Middle Aged , Polysomnography , Reproducibility of Results , Sleep Apnea, Obstructive/physiopathology
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