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  • 1
    In: Advances in Digestive Medicine, Wiley, Vol. 9, No. 1 ( 2022-03), p. 38-43
    Abstract: Increasing antibiotics resistance poses a great challenge for the treatment of Helicobacter pylori ( H. pylori ) infection. The reported eradication rates of 7‐day standard triple therapy have fallen below 80% in most countries due to increasing clarithromycin resistance. Both 14‐day reverse hybrid therapy and 7‐day concomitant therapy have been reported to yield high eradication rates for the treatment of H. pylori infection. However, whether 14‐day reverse hybrid therapy can achieve a higher eradication rate than 7‐day concomitant therapy remains unanswered. The aim of this study is to compare the efficacies of 14‐day reverse hybrid and 7‐day concomitant therapies for the first‐line treatment of H. pylori infection in a primary care setting. From May 2016 to December 2019, 322 H. pylori ‐infected patients receiving either 14‐day reverse hybrid therapy (a proton pump inhibitor [PPI] plus amoxicillin 1 g b.d. for 14 days, and clarithromycin 500 mg plus metronidazole 500 mg b.d. for the initial 7 days, n = 142) or 7‐day concomitant therapy (PPI plus amoxicillin 1 g, clarithromycin 500 mg, and metronidazole 500 mg b.d. for 7 days, n = 180) in our clinic were included in the retrospective study. All the patients underwent a follow‐up endoscopy with a rapid urease test or a urea breath test at least 4 weeks after completion of anti‐ H. pylori therapy and at least 2 weeks after discontinuation of PPI. Intention‐to‐treat analysis demonstrated a significantly higher eradication rate for the 14‐day reverse hybrid group than for the 7‐day concomitant group (95.8% vs 88.9%, P  = .024). Per‐protocol analysis also yielded similar results (97.8% vs 90.3%, P  = .009). Both groups had similar frequencies of adverse events (14.1% vs 13.9%, P  = .990) and drug compliance (95.8% vs 97.2%, P  = .478). Conclusions Fourteen‐day reverse hybrid therapy achieves a higher eradication rate than 7‐day concomitant therapy in the first‐line treatment of H. pylori infection.
    Type of Medium: Online Resource
    ISSN: 2351-9797 , 2351-9800
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2022
    detail.hit.zdb_id: 2830898-0
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  • 2
    In: American Journal of Gastroenterology, Ovid Technologies (Wolters Kluwer Health), Vol. 118, No. 7 ( 2023-07), p. 1184-1195
    Abstract: The study aimed to compare the efficacies and safety of 14-day hybrid therapy, 14-day high-dose dual therapy, and 10-day bismuth quadruple therapy in the first-line treatment of Helicobacter pylori infections. METHODS: In this multicenter, open-label, randomized trial, we recruited adult H. pylori -infected patients from 9 centers in Taiwan. Subjects were randomly assigned (1:1:1) to 14-day hybrid therapy, 14-day high-dose dual therapy, or 10-day bismuth quadruple therapy. Eradication status was determined by the 13 C-urea breath test. The primary outcome was the eradication rate of H. pylori assessed in the intention-to-treat population. RESULTS: Between August 1, 2018, and December 2021, 918 patients were randomly assigned in this study. The intention-to-treat eradication rates were 91.5% (280/306; 95% confidence interval [CI] 88.4%–94.6%) for 14-day hybrid therapy, 83.3% (255/306; 95% CI 87.8%–95.0%) for 14-day high-dose dual therapy, and 90.2% (276/306; 95% CI 87.8%–95.0%) for 10-day bismuth quadruple therapy. Both hybrid therapy (difference 8.2%; 95% CI 4.5%–11.9%; P = 0.002) and bismuth quadruple therapy (difference 6.9%; 95% CI 1.6%–12.2%; P = 0.012) were superior to high-dose dual therapy and were similar to one another. The frequency of adverse events was 27% (81/303) with 14-day hybrid therapy, 13% (40/305) with 14-day high-dose dual therapy, and 32% (96/303) with 10-day bismuth quadruple therapy. Patients receiving high-dose dual therapy had the fewest adverse events (both P 〈 0.001). DISCUSSION: Fourteen-day hybrid therapy and 10-day bismuth quadruple therapy are more effective than 14-day high-dose dual therapy in the first-line treatment of H. pylori infection in Taiwan. However, high-dose dual therapy has fewer adverse effects than hybrid bismuth quadruple therapies.
    Type of Medium: Online Resource
    ISSN: 0002-9270 , 1572-0241
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
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  • 3
    Online Resource
    Online Resource
    SAGE Publications ; 2023
    In:  Therapeutic Advances in Gastroenterology Vol. 16 ( 2023-01)
    In: Therapeutic Advances in Gastroenterology, SAGE Publications, Vol. 16 ( 2023-01)
    Abstract: A standard bismuth quadruple therapy, a fluoroquinolone-containing triple (or quadruple) therapy or a proton pump inhibitor (PPI)-amoxicillin high-dose dual therapy has been recommended as a second-line treatment for Helicobacter pylori infection by the Maastricht VI/Florence Consensus Report. The major shortcoming of levofloxacin-amoxicillin triple therapy is low cure rate for eradicating levofloxacin-resistant strains. With the rising prevalence of levofloxacin-resistant strains, levofloxacin-amoxicillin triple therapy cannot reliably achieve a high eradication rate for second-line treatment of H. pylori infection in most countries now. The present article aims to review current second-line eradication regimens with a per-protocol eradication rate exceeding 85% in most geographic areas. Recently, a novel tetracycline-levofloxacin quadruple therapy consisting of a PPI, bismuth, tetracycline, and levofloxacin for rescue treatment of H. pylori infection has been developed. The new therapy achieved a higher per-protocol eradication rate than levofloxacin-amoxicillin triple treatment in a randomized controlled trial (98% versus 69%). Additionally, the tetracycline-levofloxacin quadruple therapy also exhibits a higher eradication rate than amoxicillin-levofloxacin quadruple therapy. High-dose dual PPI-amoxicillin therapy is another novel second-line treatment for H. pylori infection. The new therapy can achieve an eradication rate of 89% by per-protocol analysis for the second-line treatment in Taiwan. Recently, levofloxacin-based sequential quadruple therapy and potassium-competitive acid blocker have also been applied in the second-line treatment of H. pylori infection. A meta-analysis revealed that a vonoprazan-based regimen has significant superiority over a PPI-based regimen for second-line H. pylori eradication therapy. In conclusion, the eradication rate of levofloxacin-amoxicillin triple therapy is suboptimal in the second-line treatment of H. pylori infection now. Currently, a standard bismuth quadruple therapy (tetracycline-metronidazole quadruple therapy), a tetracycline-levofloxacin quadruple therapy, an amoxicillin-levofloxacin quadruple therapy, a levofloxacin-based sequential quadruple therapy or a high-dose PPI-amoxicillin dual therapy is recommended for the second-line treatment of H. pylori infection.
    Type of Medium: Online Resource
    ISSN: 1756-2848 , 1756-2848
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2440710-0
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  • 4
    In: Journal of Gastroenterology and Hepatology, Wiley, Vol. 37, No. 10 ( 2022-10), p. 1928-1934
    Abstract: Most consensuses recommend culture‐guided therapy as third‐line Helicobacter pylori treatment. This study aimed to investigate the efficacies of culture‐guided therapy and empirical therapy with high‐dose proton pump inhibitor (PPI) in the H. pylori third‐line treatment. Methods Between August 2012 and October 2021, H. pylori ‐infected patients with at least two failed eradication attempts received anti‐ H. pylori therapy according to the results of antimicrobial sensitivity tests plus high‐dose rabeprazole and/or bismuth. They were categorized into three groups: patients who had positive results of culture with equal to or more than three susceptible antibiotics were treated by culture‐guided non‐bismuth quadruple therapy, patients who had positive results of culture with one or two susceptible antibiotics were treated by culture‐guided bismuth‐containing therapy, and patients who had a negative result of culture were treated by an empirical therapy with high‐dose rabeprazole plus amoxicillin, tetracycline and levofloxacin. A post‐treatment assessment was conducted at week 8. Results We recruited 126 patients. The eradication rates of culture‐guided non‐bismuth quadruple therapy ( n  = 50), culture‐guided bismuth‐containing therapy ( n  = 46) and empirical therapy ( n  = 30) were 84.0%, 87.0%, and 66.7% (95% confidence interval: 73.8–94.2%, 77.3–96.7%, and 49.8–83.6%), respectively. Overall, culture‐guided therapy achieved a higher eradication rate than empirical therapy (85.4% vs 66.7%; 95% confidence interval, 0.4% to 37.0%, P  = 0.022). Conclusions Culture‐guided therapy with high‐dose PPI achieves a higher eradication rate than empirical therapy with high‐dose PPI in the third‐line treatment of H. pylori infection. The eradication rate of rescue therapy with bismuth plus two susceptible antibiotics is not inferior to that with three susceptible antibiotics.
    Type of Medium: Online Resource
    ISSN: 0815-9319 , 1440-1746
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2022
    detail.hit.zdb_id: 2006782-3
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  • 5
    In: Scientific Reports, Springer Science and Business Media LLC, Vol. 13, No. 1 ( 2023-08-17)
    Abstract: Helicobacter pylori ( H. pylori ) infection is the principal cause of chronic gastritis, gastric ulcers, duodenal ulcers, and gastric cancer. In clinical practice, diagnosis of H. pylori infection by a gastroenterologists’ impression of endoscopic images is inaccurate and cannot be used for the management of gastrointestinal diseases. The aim of this study was to develop an artificial intelligence classification system for the diagnosis of H. pylori infection by pre-processing endoscopic images and machine learning methods. Endoscopic images of the gastric body and antrum from 302 patients receiving endoscopy with confirmation of H. pylori status by a rapid urease test at An Nan Hospital were obtained for the derivation and validation of an artificial intelligence classification system. The H. pylori status was interpreted as positive or negative by Convolutional Neural Network (CNN) and Concurrent Spatial and Channel Squeeze and Excitation (scSE) network, combined with different classification models for deep learning of gastric images. The comprehensive assessment for H. pylori status by scSE-CatBoost classification models for both body and antrum images from same patients achieved an accuracy of 0.90, sensitivity of 1.00, specificity of 0.81, positive predictive value of 0.82, negative predicted value of 1.00, and area under the curve of 0.88. The data suggest that an artificial intelligence classification model using scSE-CatBoost deep learning for gastric endoscopic images can distinguish H. pylori status with good performance and is useful for the survey or diagnosis of H. pylori infection in clinical practice.
    Type of Medium: Online Resource
    ISSN: 2045-2322
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2615211-3
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  • 6
    Online Resource
    Online Resource
    SAGE Publications ; 2022
    In:  Therapeutic Advances in Gastroenterology Vol. 15 ( 2022-01), p. 175628482211381-
    In: Therapeutic Advances in Gastroenterology, SAGE Publications, Vol. 15 ( 2022-01), p. 175628482211381-
    Abstract: Current international consensuses on Helicobacter pylori eradication therapy recommend that only regimens that reliably produce eradication rates of ⩾90% should be used for empirical treatment. The Real-world Practice & Expectation of Asia-Pacific Physicians and Patients in Helicobacter Pylori Eradication Survey also showed that the accepted minimal eradication rate in H. pylori-infected patients was 91%. According to efficacy prediction model, the per-protocol eradication rates of 7-day and 14-day standard triple therapies fall below 90% when clarithromycin resistance rate ⩾5%. Several strategies including bismuth-containing, non-bismuth-containing quadruple therapies (including sequential, concomitant, hybrid and reverse hybrid therapies), high-dose dual therapy and vonoprazan-based triple therapy have been proposed to increase the eradication rate of H. pylori infection. According to efficacy prediction model, the eradication rate of 14-day concomitant therapy, 14-day hybrid therapy and 7-day vonoprazan-based triple therapy is less than 90% if the frequency of clarithromycin-resistant strains is higher than 90%, 58% and 23%, respectively. To meet the recommendation of the consensus report and patients’ expectation, local surveillance networks for resistance of H. pylori to clarithromycin are required to select appropriate eradication regimens in each geographic region. In areas with low ( 〈 5%) clarithromycin resistance (e.g. Sweden, Philippine, Myanmar and Bhutan), 7-day and 14-day standard triple therapies can be adopted for the first-line treatment of H. pylori infection with eradication rates of ⩾90%. In areas with high (⩾5%) clarithromycin resistance (most other countries worldwide) or unknown clarithromycin resistance, 14-day hybrid, 14-day reverse hybrid, 14-day concomitant and 10- to 14-day bismuth quadruple therapy can be used to treat H. pylori infection.
    Type of Medium: Online Resource
    ISSN: 1756-2848 , 1756-2848
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 2440710-0
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  • 7
    In: Journal of the Chinese Medical Association, Ovid Technologies (Wolters Kluwer Health), Vol. 84, No. 1 ( 2021-01), p. 19-24
    Abstract: Low-dose aspirin is widely used in the prevention of cardiovascular diseases. However, the use of aspirin is associated with an increased risk of gastrointestinal injury. Methods: Low-dose aspirin users with a history of peptic ulcers who did not have gastroduodenal mucosal breaks at initial endoscopy were randomly assigned to receive famotidine (20 mg bid) or omeprazole (20 mg qd) for 6 months. Follow-up endoscopy was performed at the end of the sixth month and whenever epigastric discomfort, hematemesis, or melena occurred. The primary end point was the occurrence of gastroduodenal mucosal breaks. The secondary end points were (1) the occurrence of gastroduodenal ulcers and (2) the occurrence of gastroduodenal bleeding. Result: Between November 2013 and June 2018, 170 patients were randomly assigned to receive either famotidine (n = 84) or omeprazole (n = 86). The incidence of gastroduodenal mucosal breaks was 33.8% among the patients receiving famotidine, and 19.8% among those receiving omeprazole (95% CI: 0.4%-27.5%; p = 0.045). The two patient groups had comparable incidence rates of gastroduodenal ulcers (20.0% vs 9.8%; p = 0.071), and gastroduodenal bleeding (2.5% vs 0%; p = 0.243). Multivariate analysis showed that use of the proton pump inhibitor was an independent protective factor (odds ratio: 0.47; 95% CI: 0.23-0.99; p = 0.047), and that smoking was a risk factor for mucosal breaks (odds ratio: 3.84; 95% CI: 1.52-9.71; p = 0.004). Conclusion: Proton pump inhibitor was superior to histamine-2 receptor antagonist in the prevention of gastroduodenal mucosal breaks in high-risk users of low-dose aspirin, and smoking was an independent risk factor for developing gastroduodenal mucosal breaks.
    Type of Medium: Online Resource
    ISSN: 1726-4901
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2021
    detail.hit.zdb_id: 2202774-9
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  • 8
    In: Helicobacter, Wiley, Vol. 26, No. 5 ( 2021-10)
    Abstract: The Maastricht V/Florence Consensus Report recommends amoxicillin‐fluoroquinolone triple or quadruple therapy as a second‐line treatment for Helicobacter pylori infection. An important caveat of amoxicillin‐fluoroquinolone rescue therapy is poor eradication efficacy in the presence of fluoroquinolone resistance. The study aimed to investigate the efficacies of tetracycline‐levofloxacin (TL) quadruple therapy and amoxicillin‐levofloxacin (AL) quadruple therapy in the second‐line treatment of H .  pylori infection. Methods Consecutive H . pylori ‐infected subjects after the failure of first‐line therapies were randomly allocated to receive either TL quadruple therapy (tetracycline 500 mg QID, levofloxacin 500 mg QD, esomeprazole 40 mg BID, and tripotassium dicitrato bismuthate 300 mg QID) or AL quadruple therapy (amoxicillin 500 mg QID, levofloxacin 500 mg QD, esomeprazole 40 mg BID, and tripotassium dicitrato bismuthate 300 mg QID) for 10 days. Post‐treatment H .  pylori status was assessed 6 weeks after the end of therapy. Results The study was early terminated after an interim analysis. In the TL quadruple group, 50 out of 56 patients (89.3%) had successful eradication of H .  pylori infection. Cure of H .  pylori infection was achieved only in 39 of 52 patients (69.6%) receiving AL quadruple therapy. Intention‐to‐treat analysis showed that TL quadruple therapy achieved a markedly higher eradication rate than AL quadruple therapy (95% confidence interval: 4.8% to 34.6%; p  = 0.010). Further analysis revealed that TL quadruple therapy had a high eradication rate for both levofloxacin‐susceptible and resistant strains (100% and 88.9%). In contrast, AL quadruple therapy yielded a high eradication for levofloxacin‐susceptible strains (90.9%) but a poor eradication efficacy for levofloxacin‐resistant strains (50.0%). The two therapies exhibited comparable frequencies of adverse events (37.5% vs 21.4%) and drug adherence (98.2% vs 94.6%). Conclusions Ten‐day TL quadruple therapy is more effective than AL quadruple therapy in the second‐line treatment of H . pylori infection in a population with high levofloxacin resistance.
    Type of Medium: Online Resource
    ISSN: 1083-4389 , 1523-5378
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 2020336-6
    SSG: 12
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  • 9
    In: Journal of Gastroenterology and Hepatology, Wiley, Vol. 35, No. 10 ( 2020-10), p. 1731-1737
    Abstract: Concomitant therapy is a recommended first‐line treatment for Helicobacter pylori infection in most national or international consensuses. Reverse hybrid therapy is a modified 14‐day concomitant therapy without clarithromycin and metronidazole in the final 7 days. This study aims to test whether 14‐day reverse hybrid therapy is non‐inferior to 14‐day concomitant therapy in the first‐line treatment of H. pylori infection. Methods Helicobacter pylori ‐infected adult patients were randomly assigned to receive either reverse hybrid therapy (dexlansoprazole 60 mg o.d. plus amoxicillin 1 g b.d. for 14 days, and clarithromycin 500 mg plus metronidazole 500 mg b.d. for initial 7 days) or concomitant therapy (dexlansoprazole 60 mg once o.d. plus amoxicillin 1 g, clarithromycin 500 mg, and metronidazole 500 mg b.d. for 14 days). H. pylori status was assessed 6 weeks after the end of treatment. Results Helicobacter pylori ‐infected participants ( n  = 248) were randomized to receive either 14‐day reverse hybrid therapy ( n  = 124) or 14‐day concomitant therapy ( n  = 124). Intention‐to‐treat analysis demonstrated that the two therapies had comparable eradication rate (95.2% vs 93.5%; 95% confidence interval, −4.0% to 7.4%; P  = 0.582). However, reverse hybrid therapy had a much lower frequency of adverse events than concomitant therapy (20.2% vs 38.7%, P  = 0.001). The two therapies exhibited comparable drug adherence (93.5% vs 87.9%, P  = 0.125). Conclusions Fourteen‐day reverse hybrid therapy and 14‐day concomitant therapy are equivalent in efficacy for the first‐line treatment of H. pylori infection. However, reverse hybrid therapy has fewer adverse events compared with concomitant therapy.
    Type of Medium: Online Resource
    ISSN: 0815-9319 , 1440-1746
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 2006782-3
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  • 10
    In: Helicobacter, Wiley, Vol. 27, No. 6 ( 2022-12)
    Abstract: REAP‐HP study (Real‐world practice and Expectation of Asia‐Pacific physicians and patients in Helicobacter Pylori eradication) was the pioneer study investigating the expectation and preference of physicians across Asia‐Pacific in H. pylori eradication in 2015. This study is the first follow‐up study of REAP‐HP in Taiwan. Aims (1) To investigate the preference in regimens for the first‐line anti‐ H. pylori therapy of Taiwanese gastroenterologist in 2020, (2) To survey the factor that cause the most concern when prescribing anti‐ H. pylori regimens in clinical practice, and (3) to compare REAP‐HP survey data in 2020 and those surveyed in 2015 regarding the abovementioned end‐points. Methods A questionnaire for H. pylori eradication survey of physicians was distributed to the gastroenterologists who attended the Taiwan Digestive Disease Week 2020. Data of most commonly used first‐line anti‐ H. pylori regimens and concerned factors when prescribing anti‐ H. pylori regimens between 2015 and 2020 were compared. Results A total of 258 physicians from different districts of Taiwan participated in the REAP‐HP Survey in 2020. The top three most commonly used anti‐ H. pylori regimens in Taiwan in 2020 were 14‐day standard triple therapy (36.8%; 95% confidence interval [CI]: 30.9%–42.7%), 7‐day standard triple therapy (17.8%; 95% CI: 13.1%–22.5%) and 14‐day reverse hybrid therapy (14.7%; 95% CI: 10.4%–19.0%) respectively. The top two factors that cause the most concern during prescribing anti‐ H. pylori therapy were eradication rate (82.3%; 95% CI: 77.6%–87.0%) and side effect (10.4%; 95% CI: 6.7%–15.1%). In 2015, the top three most commonly used regimens in Taiwan were 7‐day standard triple therapy (62%; 95% CI: 56.2%–67.8%), 14‐day standard triple therapy (21%; 95% CI: 16.1%–25.9%) and 10‐day sequential therapy (7%; 95% CI: 4%–10%). A remarkable difference of the most commonly used anti‐ H. pylori regimens between 2015 and 2020 existed ( p   〈  .001). The top two factors that cause the most concern during prescribing anti‐ H. pylori therapy in 2015 were eradication rate (84.1%) and side effect (7.0%). There were no differences in the factors that cause the most concern during prescribing anti‐ H. pylori regimens between 2015 and 2020. Conclusion 14‐day standard triple therapy has replaced 7‐day standard triple therapy as the most commonly used first‐line anti‐ H. pylori therapy among Taiwanese gastroenterologists in 2020. 14‐day reverse hybrid therapy is on rise to the third place as the most commonly used anti‐ H. pylori regimen in Taiwan.
    Type of Medium: Online Resource
    ISSN: 1083-4389 , 1523-5378
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2022
    detail.hit.zdb_id: 2020336-6
    SSG: 12
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