Health economic impact of targeted physician training in optimizing Helicobacter pylori therapy

Abstract

The management of Helicobacter pylori (H. pylori) infection has long faced the challenge of a significant gap between clinical practice and guideline recommendations, with physician knowledge and behavior being key factors contributing to this disparity. However, while new drugs and extended treatment regimens continue to emerge, there remains a lack of quantifiable evidence on the real-world efficacy of one-time, low-cost, replicable standardized training. This issue features a prospective before-and-after interventional study by Duan et al published in World Journal of Gastroenterology, which systematically evaluates the direct impact of a single standardized training session on the H. pylori eradication efficacy of gastroenterologists. It provides new insights and evidence to address the disconnect between guidelines and practice. The rigorously designed study demonstrated significant improvements in eradication rates, treatment protocol standardization, and patient follow-up rates following training. These effects were particularly pronounced among less experienced physicians with historically lower success rates. Notably, while primarily focusing on behavioral intervention, the training reduced treatment failures by approximately 13 cases per 100 patients (based on intention-to-treat analysis estimates), providing directly applicable data for value-based healthcare and medical insurance cost control. However, the study also revealed practical challenges, including unchanged adverse reaction reporting rates and limited effectiveness of single-session training, suggesting room for improvement in the depth, continuity, and personalization of current physician continuing education. This paper will further deconstruct the key elements of training design, aiming to: (1) Contextualize the findings of the referenced study within the current clinical landscape; (2) Critically analyze its mechanisms and methodological limitations; and (3) Extrapolate implications for future practice and policy. This study not only provides evidence for clinical quality improvement but also offers insights from a health economics perspective: Investing in standardized continuing education for physicians represents a high-leverage health intervention strategy.

Key Words: Helicobacter pylori eradication; Physician training; Guideline adherence; Health economics; Continuing medical education

Core Tip: This article discusses a recent prospective study that highlights the impact of standardized, one-time physician education on improving Helicobacter pylori eradication rates in clinical practice. The findings suggest that investing in such educational interventions holds greater potential economic value than relying solely on new drug developments. We delve into the reasons behind the success of this educational approach and acknowledge its limitations, proposing future research directions, such as artificial intelligence-driven feedback loops. We call on policymakers to prioritize physician education at the same level as new drug procurement, emphasizing its crucial role in bridging the gap between guidelines and real-world practice.

This editorial refers to “Optimizing Helicobacter pylori therapy through gastroenterologist education: A prospective interventional study” by Duan et al, 2026; https://doi.org/10.3748/wjg.v32.i7.115876.

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INTRODUCTION

Helicobacter pylori (H. pylori) infection is a significant global public health issue closely associated with the development of various upper gastrointestinal diseases, including chronic gastritis, peptic ulcer disease, and gastric cancer[1]. Although global H. pylori infection rates have declined over the past few decades, clinical eradication therapy faces significant practical challenges, primarily manifested in a pronounced gap between “guideline recommendations” and “clinical practice”[2,3]. This gap manifests as follows: Under strictly controlled research conditions, H. pylori eradication rates can exceed 90%; however, in real-world clinical practice, eradication rates often remain below 90% (e.g., 74%-82% in Ireland)[4,5]. The persistence of this gap not only places many patients at risk of treatment failure and disease progression, but also leads to serious public health consequences, including the exacerbation of antibiotic resistance due to inappropriate medication use and the overconsumption of medical resources caused by repeated consultations[3,6].

The reasons for this gap are multifaceted. In addition to the objective biological factor of bacterial antibiotic resistance[7], human factors, particularly the clinical practices of physicians, have become a critical constraint on eradication success rates. Multiple investigations reveal widespread non-compliance among clinicians with H. pylori infection management guidelines[8]. Specific manifestations include non-standard prescribing behaviors, such as the repeated use of antibiotics to which resistance has developed and failure to adhere to guideline-recommended first-line treatment regimens, alongside neglect of patient education and treatment follow-up[3,9]. Physicians’ understanding and application of guidelines directly impact the scientific rigor of treatment protocols and patient adherence, ultimately determining the efficacy of eradication therapy[3]. Therefore, enhancing the professional competence of physicians, particularly gastroenterologists, in the diagnosis, treatment, and management of H. pylori infection is a crucial strategy for bridging the guideline-practice gap and optimizing treatment outcomes.

However, how to implement effective educational interventions for physicians and quantify their clinical benefits has previously lacked high-quality evidence. Against this background, a prospective before-and-after interventional study by Duan et al[10], published in the recent issue of the World Journal of Gastroenterology, provides robust evidence for this critical issue. By implementing standardized training on the standardized diagnosis and treatment of H. pylori, the study systematically compared changes in core indicators among physicians before and after training, including eradication rates, prescription compliance rates, and patient re-examination rates. The findings revealed that even a single standardized training intervention significantly improved physicians’ clinical practices and enhanced ultimate eradication outcomes. Through rigorous design, this study demonstrates that “low-cost, structured” continuing medical education is an efficient and feasible strategy to bridge H. pylori diagnostic and therapeutic gaps. It offers new insights and an important practical model for optimizing H. pylori infection management and elevating overall healthcare quality in the future. This editorial primarily aims to: (1) Contextualize the findings of the referenced study within the current clinical landscape; (2) Critically analyze its mechanisms and methodological limitations; and (3) Extrapolate implications for future practice and policy.

IN-DEPTH ANALYSIS: HOW EDUCATIONAL INTERVENTIONS WORK AND THEIR LIMITATIONS

Before analyzing the efficacy, it is important to note that the study by Duan et al[10] utilizes a pre-post design. The absence of a parallel control group means that observed improvements could partially be attributed to temporal trends or institutional changes unrelated to training[11]. Despite these limitations regarding causal inference, the study offers valuable real-world evidence.

The original study[10] employed a prospective pre-post design and provides key evidence for the effectiveness of standardized physician training. Post-training, the H. pylori eradication rates in the intention-to-treat (ITT) and per-protocol analyses significantly increased from 58.6% to 71.6% and from 81.2% to 88.6%, respectively. Concurrently, treatment protocol adherence improved from 71.0% to 89.6%, while patient follow-up rates increased from 71.4% to 80.4%. These data demonstrate that a single, structured educational intervention can rapidly and systematically optimize the entire treatment process from prescription to follow-up.

From a health economics perspective, this intervention also demonstrates significant potential economic value. The study[10] indicates that merely enhancing physicians’ adherence to standardized care can increase the number of successful eradications by approximately 13 cases per 100 patients (estimated based on ITT analysis). While regimen shifts (such as the significant increase in vonoprazan usage) may vary drug acquisition costs, the educational intervention itself remains low-cost. This directly alleviates the long-term socioeconomic burden associated with retreatment, complication management, and the exacerbation of antibiotic resistance[12]. Compared to the high costs required for developing new drugs or extending treatment courses, physician education, as a high-leverage intervention[13,14], offering a highly cost-effective pathway for achieving value-based healthcare and optimizing healthcare resource allocation.

The core mechanism by which educational interventions bridge the gap between guidelines and practice may lie in their precise targeting of critical junctures within the clinical decision-making chain[15]. By closely aligning training content with the latest international and domestic consensus statements[16,17], this study systematically updated physicians’ knowledge systems. This knowledge update effectively guided a normative shift in prescribing behavior, manifested post-training by the complete discontinuation of non-guideline-recommended intravenous therapies and the near-universal adoption of bismuth-containing quadruple therapy (increasing from 95.6% to 99.0%)[10]. Given the global surge in clarithromycin resistance[18], this intervention successfully guided physicians to reduce reliance on clarithromycin-based treatment regimens and adopt evidence-supported alternatives (such as furazolidone-containing regimens)[19], which is critical for antibiotic stewardship. Second, the training enhanced physicians’ awareness and skills in patient management. By teaching standardized patient education tools and emphasizing the importance of systematic follow-up, it effectively improved patient treatment adherence and completion rates for follow-up visits. This aligns with findings from Lu et al’s multicenter prospective study[20] and Lutfian et al’s review[21]. Crucially, subgroup analyses revealed that clinical benefits were most pronounced among physicians with relatively limited experience or lower historical eradication rates. This finding also aligns with the outcomes of the quality improvement project implemented by Goldberg et al[22], highlighting the importance of targeted implementation in enhancing overall healthcare quality.

However, this study[10] also revealed key limitations. Despite improved efficacy, the rate of adverse reaction reporting remained consistently low and did not significantly change after training. This reflects insufficient emphasis in clinical practice on monitoring and documenting treatment safety, despite drug adverse reactions being a primary cause of patient non-compliance and treatment discontinuation[23]. Future educational training must prioritize adverse drug event reporting and doctor-patient communication as core components. Shalviri et al[24] similarly advocate for this approach in their review. Secondly, the overall eradication rate has yet to reach the ideal level of over 90% reported in clinical studies. This outcome indicates the limited efficacy of one-time knowledge transfer. Treatment success rates depend not only on prescribing practices but also on regional antibiotic resistance patterns, patient adherence, and individualized management strategies. Thus, an ideal intervention model should be continuous and personalized[25]. We recommend integrating physician education with dynamic regional resistance surveillance networks to provide real-time data support for clinical decision-making. Concurrently, training content should extend beyond mere treatment guidelines to incorporate patient adherence tools and more systematic follow-up management strategies[26]. Only through such multidimensional, sustained interventions deeply integrated with clinical practice can the quality of H. pylori infection management be elevated to higher levels.

FROM EVIDENCE TO ACTION: IMPLICATIONS FOR CLINICAL PRACTICE AND HEALTH POLICY

The study by Duan et al[10] provides direct evidence for optimizing clinical practice and informing health policy development. To translate these findings into practical applications, efforts should be advanced synergistically at two levels: Clinical practice transformation and health system optimization. At the clinical practice level, standardized H. pylori treatment education should be institutionally integrated. Kotecha et al[27] demonstrated in the STEEER-AF cluster randomized trial, published in Nature Medicine, that structured, guideline-based education for physicians significantly improves guideline adherence. This confirms that institutionalizing continuing medical education is an effective pathway to narrow the guideline-practice gap. Furthermore, health authorities should consider incorporating H. pylori eradication rates and treatment standardization rates as key performance indicators in hospital quality management systems. This transforms the quality of care from a recommendation into a quantifiable and evaluable management objective. Xu et al[28] demonstrated that audit and feedback interventions reduce antibiotic prescribing in primary care, with more frequent interventions appearing more effective. The effectiveness was more pronounced in settings with higher baseline antibiotic use. This provides a reference for applying similar mechanisms to H. pylori treatment management. Additionally, under resource-constrained conditions, precision resource allocation strategies should be implemented. Rather than adopting a uniform investment approach, health systems should prioritize interventions for lower-performing primary care clinics. This strategy is supported by evidence from a Cochrane systematic review of audit and feedback interventions, which found that interventions achieved larger effects when baseline performance was low[29], suggesting that units with greater quality gaps offer more substantial potential for improvement. By strategically targeting these cohorts, healthcare administrators can maximize the utility of limited resources, effectively narrowing practice variation and elevating the aggregate standard of care.

This study found that training failed to improve adverse reaction reporting rates[10], suggesting that the current educational model has shortcomings in patient safety monitoring and systematic feedback mechanisms. At the system optimization level, establishing a closed-loop system of “education-implementation-feedback-improvement” is central to sustaining intervention effects. Future continuing education should move beyond one-way knowledge transfer. As a direction for future research, we propose embedding proactive alert modules within electronic health record systems. Recent research on clinical decision support systems highlights that well-designed electronic systems can enhance clinical decision-making through timely, actionable guidance integrated into electronic health record workflows[30]. Simultaneously, exploring artificial intelligence (AI)-assisted personalized learning platforms for physician continuing education warrants consideration. While the study by Duan et al[10] was rigorously designed, traditional educational models carry high marginal costs. Topol et al[31] suggest that integrating AI algorithms with physicians’ clinical decision-making enhances diagnostic accuracy through rapid image interpretation and provides clinician support, while also improving workflow and reducing medical errors at the health system level. Furthermore, while this study provides valuable prospective evidence, its pre-post design inherently faces limitations in controlling confounding factors. Future research should expand sample sizes and conduct rigorously designed multicenter randomized controlled trials to validate the long-term effects of these integrated interventions.

CONCLUSION

The prospective study by Duan et al[10] underscores the substantial value of standardized, modular physician education as a cost-effective intervention strategy. This approach not only significantly boosts H. pylori eradication rates in the short term but also simultaneously enhances prescribing adherence and patient compliance. Continuing medical education should be viewed not as an auxiliary measure, but as a fundamental component that directly translates into improved health outcomes. Therefore, it is crucial for health policymakers to prioritize investments in physician education on par with or even above the procurement of new drugs and medical equipment. By integrating standardized physician education into routine treatment protocols for infections, we can effectively bridge the gap between clinical guidelines and actual practice at minimal additional costs. This shift has the potential to yield dual benefits—enhancing patient outcomes while also providing significant health economic advantages.