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helicobacter pylori treatment

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https://www.readbyqxmd.com/read/28532623/improving-the-standard-sequential-treatment-of-helicobacter-pylori-with-either-extended-treatment-or-by-adding-bismuth
#1
Zehra Akpinar, Sinan Akay, Belkis Unsal
BACKGROUND AND STUDY AIMS: Standard sequential treatment for Helicobacter pylori (H. pylori) eradication has less success because of increasing clarithromycin resistance. Extended treatment and bismuth containing regimens were, therefore, investigated. PATIENTS AND METHODS: Consecutive H. pylori-positive patients with dyspepsia were randomly allocated to one of the three sequential regimens: The first group was given lansoprazole 30mg b.i.d. plus amoxicillin 1g b...
May 19, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28531095/synthesis-of-1-2-3-triazolo-4-5-h-quinolone-derivatives-with-novel-anti-microbial-properties-against-metronidazole-resistant-helicobacter-pylori
#2
Mohammad Abu-Sini, Amal Mayyas, Nehaya Al-Karablieh, Rula Darwish, Yusuf Al-Hiari, Talal Aburjai, Shereen Arabiyat, Luay Abu-Qatouseh
Helicobacter pylori infection can lead to gastritis, peptic ulcer, and the development of mucosa associated lymphoid tissue (MALT) lymphoma. Treatment and eradication of H. pylori infection can prevent relapse and accelerate the healing of gastric and duodenal ulcers as well as regression of malignancy. Due to the increasing emergence of antibiotic resistance among clinical isolates of H. pylori, alternative approaches using newly discovered antimicrobial agents in combination with the standard antibiotic regimens for the treatment of H...
May 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28530108/twelve-day-quintuple-regime-containing-four-antibiotics-as-a-rescue-therapy-for-helicobacter-pylori-eradication-in-the-central-region-of-portugal
#3
Diogo Branquinho, Nuno Miguel Peres de Almeida, Carlos Gregório, Adriano Casela, Maria Manuel Donato, Luís Tomé
BACKGROUND: Helicobacter pylori eradication rates with standard triple therapy in many countries are clinically unacceptable. Fluoroquinolone resistance is increasing and jeopardizing second-line regimens. There is a growing need for an effective strategy in patients who failed previous therapies. METHODS: This is a single-center, non-randomized clinical study conducted in the central region of Portugal. Sixty-four patients were included with a positive 13C-urea breath test (UBT) or histology for H...
May 22, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28529929/novel-and-effective-therapeutic-regimens-for-helicobacter-pylori-in-an-era-of-increasing-antibiotic-resistance
#4
REVIEW
Yi Hu, Yin Zhu, Nong-Hua Lu
Helicobacter pylori (H. pylori) is a common gastrointestinal bacterial strain closely associated with the incidence of chronic gastritis, peptic ulcers, gastric mucosa-associated lymphoid tissue lymphoma, and gastric cancer. A current research and clinical challenge is the increased rate of antibiotic resistance in H. pylori, which has led to a decreased H. pylori eradication rate. In this article, we review recent H. pylori infection and reinfection rates and H. pylori resistance to antibiotics, and we discuss the pertinent treatments...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28527283/-frequency-of-helicobacter-pylori-nitroreductase-rdxa-mutations-for-metronidazole-activation-in-a-population-in-the-cauca-department-colombia
#5
Claudia Patricia Acosta, Andrés Javier Quiroga, Carlos H Sierra, Alba Alicia Trespalacios
INTRODUCTION: Resistance to metronidazole is a key factor associated with Helicobacter pylori treatment failure. Even though resistance is mostly associated with RdxA nitroreductase mutations, studies of this H. pylori protein in Popayán (Colombia) are still incipient. OBJECTIVE: To evaluate the frequency of mutations in the RdxA nitroreductase in a population of patients with H. pylori-positive gastrointestinal disease. MATERIALS AND METHODS: We amplified the DNA of 170 gastric biopsies by PCR to detect mutations in the RdxA nitroreductase...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28524341/randomized-controlled-study-of-a-novel-triple-nitazoxanide-ntz-containing-therapeutic-regimen-versus-the-traditional-regimen-for-eradication-of-helicobacter-pylori-infection
#6
Mona Ah Shehata, Raghda Talaat, Samah Soliman, Huda Elmesseri, Shaimaa Soliman, Sherief Abd-Elsalam
BACKGROUND: Helicobacter pylori infection has become more and more resistant to conventional first-line treatment regimens. So, there is a considerable interest in evaluating new antibiotic combinations and regimens. Nitazoxanide is an anti-infective drug with demonstrated activity against protozoa and anaerobic bacteria including H. pylori. This work is designed to evaluate the efficacy and safety of a unique triple nitazoxanide-containing regimen as a treatment regimen in Egyptian patients with H...
May 19, 2017: Helicobacter
https://www.readbyqxmd.com/read/28522904/importance-of-antimicrobial-susceptibility-testing-for-the-management-of-eradication-in-helicobacter-pylori-infection
#7
REVIEW
Nazlı Arslan, Özlem Yılmaz, Ebru Demiray-Gürbüz
The management of Helicobacter pylori (H. pylori) infection treatment differs from the common treatment protocol for other infectious diseases. Because culture- or molecular-guided approaches face several practical issues, such as the invasive procedures required to obtain gastric biopsy specimens and the lack of availability of routine laboratory testing in some places, H. pylori treatment includes the administration of two or three empirically selected antibiotics combined with a proton pump inhibitor rather than evidence-based eradication treatment...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28516757/gastric-perforation-caused-by-an-intragastric-balloon-endoscopic-findings
#8
In Kyung Yoo, Hoon Jai Chun, Yoon Tae Jeen
Intragastric balloon (IGB) insertion has been most frequently used in the West as an effective endoscopic treatment for morbid obesity, in practice. Recently, there is a growing number of cases requiring IGB deployment for obesity treatment in Korea. One of the reported complications of IGB use is gastric perforation. A 47-year-old woman was admitted to the hospital with mild symptoms, 7 weeks after having an IGB placed. Esophagogastroduodenoscopy was performed and gastric ulcer perforation was observed in the ulcer base, where food particles were impacted...
May 18, 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28516374/role-of-lps-elicited-signaling-in-triggering-gastric-mucosal-inflammatory-responses-to-h-pylori-modulatory-effect-of-ghrelin
#9
REVIEW
B L Slomiany, A Slomiany
Infection with Helicobacter pylori is a primary culprit in the etiology of gastric disease, and its cell-wall lipopolysaccharide (LPS) is recognized as a potent endotoxin responsible for triggering a pattern of the mucosal inflammatory responses. The engagement by the LPS of gastric mucosal Toll-like receptor 4 (TLR4) leads to initiation of signal transduction events characterized by the activation of mitogen-activated protein kinase (MAPK) cascade, induction of phosphoinositide-specific phospholipase C (PLC)/protein kinase C (PKC)/phosphatidylinositol 3-kinase (PI3K) pathway, and up-regulation in Src/Akt...
May 17, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28516058/comparison-of-amoxicillin-and-metronidazole-effect-on-three-drug-regimen-for-the-treatment-of-helicobacter-pylori-infection-in-children
#10
Karam-Ali Kasiri, Abolfazl Khoshdel, Afshin Karimi, Morteza Sedehi, Niloufar Kasiri
Helicobacter pylori is an important risk factor for chronic gastritis, peptic ulcer, and gastric cancer. Three-drug regimen is the first-line treatment for this infection, but the response rate to treatment varies in different geographical regions. This study was conducted to comparatively determine the effect of amoxicillin and metronidazole on three-drug regimen to treat H. pylori infection in 1-15-year-old children. This clinical trial was conducted on 82 patients aged 1-15 years with convenience sampling referring to the Endoscopy Unit of Hajar Hospital, Shahrekord...
April 2017: Journal of Advanced Pharmaceutical Technology & Research
https://www.readbyqxmd.com/read/28515219/a-novel-stool-pcr-test-for-helicobacter-pylori-may-predict-clarithromycin-resistance-and-patient-eradication-at-a-high-rate
#11
Erin Beckman, Ilaria Saracino, Giulia Fiorini, Courtney Clark, Vladimir Slepnev, Denise Patel, Clarissa Gomez, Reddy Ponaka, Vecheslav Elagin, Dino Vaira
Objectives: Clarithromycin-based regimens are commonly used as a first line therapy in H. pylori positive patients, however treatment failures are associated with resistance to clarithromycin. The aim of this study was to evaluate the feasibility of using stool samples to detect the presence of H. pylori DNA, while concurrently detecting mutations associated with the resistance to clarithromycin.Methods: Total DNA was extracted from 294 raw stools of H pylori positive and negative patients. TaqMan real-time PCR amplification was used to detect the presence of H...
May 17, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28513632/how-to-stomach-an-epigenetic-insult-the-gastric-cancer-epigenome
#12
REVIEW
Nisha Padmanabhan, Toshikazu Ushijima, Patrick Tan
Gastric cancer is a deadly malignancy afflicting close to a million people worldwide. Patient survival is poor and largely due to late diagnosis and suboptimal therapies. Disease heterogeneity is a substantial obstacle, underscoring the need for precision treatment strategies. Studies have identified different subgroups of gastric cancer displaying not just genetic, but also distinct epigenetic hallmarks. Accumulating evidence suggests that epigenetic abnormalities in gastric cancer are not mere bystander events, but rather promote carcinogenesis through active mechanisms...
May 17, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28513523/the-efficacy-of-sequential-therapy-in-eradication-of-helicobacter-pylori-in-turkey
#13
F Harmandar, S U İlikhan, Y Üstüündağn, O Harmandar
BACKGROUND AND AIM: Most of the studies about sequential therapy that have been reported from Turkey were levofloxacin based. We aimed to compare the Helicobacter pylori (H. pylori) eradication rates of standard triple, sequential and quadruple therapies including claritromycin regimes in this study. MATERIALS AND METHODS: A total of 160 patients with dyspeptic symptoms were enrolled to the study. The patients were randomized to four groups of treatment protocols...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28512631/genetic-alterations-in-gastric-cancer-associated-with-helicobacter-pylori-infection
#14
REVIEW
Claudia I Rivas-Ortiz, Yolanda Lopez-Vidal, Luis Jose Rene Arredondo-Hernandez, Gonzalo Castillo-Rojas
Gastric cancer is a world health problem and depicts the fourth leading mortality cause from malignancy in Mexico. Causation of gastric cancer is not only due to the combined effects of environmental factors and genetic variants. Recent molecular studies have transgressed a number of genes involved in gastric carcinogenesis. The aim of this review is to understand the recent basics of gene expression in the development of the process of gastric carcinogenesis. Genetic variants, polymorphisms, desoxyribonucleic acid methylation, and genes involved in mediating inflammation have been associated with the development of gastric carcinogenesis...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28512564/infections-and-follicular-lymphoma-is-there-a-link
#15
REVIEW
Francesco Zallio, Giulia Limberti, Marco Ladetto
Several infectious agents appear to provide a proliferative signal -- "antigen-drive" - that could be implicated in the pathogenesis of various type of Non-Hodgkin Lymphoma (NHL). A classical model of the infection-driven lymphoproliferative disorder is Helicobacter pylori-induced gastric MALT lymphoma, where antibiotic therapy allows the eradication of both the infectious agent and the clonal B-cell expansion. Following the footsteps of this example, several retrospective studies have found a correlation with other pathogens and B-cell Lymphomas, adding new relevant information about pathogenesis and laying the groundwork for chemotherapy-free treatments...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28507835/endoscopic-view-of-gastroduodenal-artery-coils-at-the-base-of-duodenal-ulcer-in-case-of-recurrent-massive-upper-gastrointestinal-bleed
#16
Rawaa Ebrahem, Salam Kadhem, John W Frey, William Salyers
Helicobacter pylori (H. pylori) infection is one of the major causes of bleeding peptic ulcer disease, which is associated with serious complications; therefore, the eradication of H. pylori is essential to prevent these devastating complications. Post-treatment follow-up is crucial to guarantee the eradication of the organism and may be conducted via the urea breath test, the stool antigen test, or a gastric biopsy. Acute massive upper gastrointestinal (UGI) bleeding is one of the most common complications of peptic ulcer disease...
April 13, 2017: Curēus
https://www.readbyqxmd.com/read/28506722/primary-helicobacter-pylori-resistance-in-elderly-patients-over-20-years-a-bulgarian-study
#17
Lyudmila Boyanova, Galina Gergova, Rumyana Markovska, Nayden Kandilarov, Lyubomir Davidkov, Zoya Spassova, Ivan Mitov
We evaluated the antibiotic susceptibility of 233 Helicobacter pylori strains isolated in the period 2011-2016, involving 62 strains from elderly patients aged 66-93years and 171 strains from younger adults. To assess resistance evolution, primary resistance rates in 92 strains from as many patients aged ≥60years in 1996-2003 were compared with those in 85 strains from infected patients in the same age group in 2011-2016. In the patients aged >65years evaluated during the last 6 years, amoxicillin resistance according to EUCAST and prior breakpoints was 1...
May 7, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28497487/systematic-review-with-meta-analysis-the-efficacy-of-vonoprazan-based-triple-therapy-on-helicobacter-pylori-eradication
#18
REVIEW
Y S Jung, E H Kim, C H Park
BACKGROUND: In order to increase eradication rates, vonoprazan, a novel potassium-competitive acid blocker, has been used in Helicobacter pylori eradication therapy. AIM: To summarise the results of the efficacy of vonoprazan-based triple therapy, helping clinicians to better understand the benefit of vonoprazan in the treatment of H. pylori infection. METHODS: We conducted a systematic literature search on MEDLINE, EMBASE, and the Cochrane Library using the primary keywords "vonoprazan," "takecab", "TAK-438," "potassium," "competitive," "potassium-competitive," "Helicobacter," and "pylori...
May 12, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28496965/malt-lymphoma-of-minor-salivary-glands-in-a-sj%C3%A3-gren-s-syndrome-patient-a-case-report-and-review-of-literature
#19
Savvas Titsinides, Nikolaos Nikitakis, Evangelia Piperi, Alexandra Sklavounou
BACKGROUND: Sjögren's syndrome is a chronic systemic disease, characterized by lymphocytic infiltration and destruction mainly of the salivary and lacrimal glands, resulting in xerostomia and xeropthalmia. Sjögren's syndrome patients have a 44-fold excess risk for the development of non-Hodgkin's lymphoma particularly mucosa-associated lymphoid tissue (MALT) lymphoma, prevalently affecting the major salivary glands. In this report, a rare case of MALT lymphoma of minor salivary glands in a patient with Sjögren's syndrome is described...
January 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/28494926/gastrokine-mrna-expression-in-gastric-tissue-from-dogs-with-helicobacter-colonisation-but-without-inflammatory-change-during-treatment
#20
M J Sharman, B Bacci, L Santos, C S Mansfield
Gastrokines (GKNs) are bioactive substances secreted by gastric cells. Evidence supports functional roles for GKNs in gastric homeostasis, immune responses and tumour suppression. Down-regulation has been reported in Helicobacter pylori associated gastritis and other inflammatory gastrointestinal conditions in mice and people. The aim of this study was to evaluate GKN gene expression in dogs positive for other Helicobacter spp. both before and after treatment. Expression of Gkn-1 and Gkn-2 mRNA was studied in endoscopic biopsy samples collected from seven healthy dogs over three time-points pre- (T0) and at 1 and 18 weeks post-treatment for Helicobacter spp...
May 2017: Veterinary Immunology and Immunopathology
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