Your new experience awaits. Try the new design now and help us make it even better

ORIGINAL RESEARCH article

Front. Pharmacol., 11 July 2025

Sec. Gastrointestinal and Hepatic Pharmacology

Volume 16 - 2025 | https://doi.org/10.3389/fphar.2025.1582908

This article is part of the Research TopicEmerging Talents in Frontiers in Pharmacology: Gastrointestinal and Hepatic Pharmacology 2025View all 3 articles

Evaluating the risk of osteoporosis-related adverse events with proton pump inhibitors: a pharmacovigilance study

Jingkai Di,,&#x;Jingkai Di1,2,3Nan Yang,&#x;Nan Yang3,4Yicong Zhao,Yicong Zhao3,5Shuai ChenShuai Chen1Zijian GuoZijian Guo1Dongdong HeDongdong He1Chuan Xiang,
Chuan Xiang1,3*
  • 1Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, China
  • 2Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University, Taiyuan, China
  • 3School of Clinical Medicine, The Second Affiliated Hospital of Shanxi Medical University, Taiyuan, China
  • 4Department of Orthopedics, The Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences Tongji Shanxi Hospital, Taiyuan, Shanxi, China
  • 5Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China

Background: Proton pump inhibitors (PPIs) are the most effective antacids and are widely used in the treatment of acid-related diseases. However, the impact of PPIs on bone remains controversial. This study aimed to explore the association between PPIs and osteoporosis-related adverse events in the real world.

Materials and methods: Data from the United States Food and Drug Administration Adverse Event Reporting System from the first quarter of 2004 to the third quarter of 2024 were included in this study. Four pharmacovigilance analyses, reporting odds ratio (ROR), proportional reporting ratio (PRR), information component (IC), and Empirical Bayes geometric mean (EBGM) were used to explore the association between PPIs use and osteoporosis-related adverse events. In addition, we used the Bonferroni corrected P values and 95% confidence interval (95%CI). Meanwhile, the situation of different age and gender groups was examined using subgroup analysis. Additionally, evoked times and Weibull distributions were used to analyze the data further.

Results: At the Primary terms level, esomeprazole, omeprazole and pantoprazole were found to have positive adverse event signals. However, at the overall dimension level of Standardized Medical Dictionary for Regulatory Activities (MedDRA) query, only esomeprazole (ROR: 8.83, 95%CI: 8.53–9.13, P < 0.001) and omeprazole (ROR: 1.54, 95%CI: 1.44–1.66, P < 0.001) signals were positive. Based on subgroup stratification, the study showed that the signal intensity of adverse events was stronger among women and older adults. Weibull distribution analysis indicated that the incidence of osteoporosis-related adverse events of esomeprazole increased gradually over time, while the risk of omeprazole did not show regular spatial and temporal distribution.

Conclusion: This study comprehensively reports the risk of osteoporosis in the clinical use of five commonly used PPIs, which provides certain ideas and insights for the clinical prevention of such adverse events.

1 Introduction

Proton pump inhibitors (PPIs), a class of benzimidazole derivatives, are mainly used for the treatment of acid-digestive disorders, accounting for about 95% of prescriptions for acid-suppressive drugs (McGowan et al., 2010). PPIs play a role by irreversibly inhibiting the H+/K+ atpase in gastric parietal cells, thereby blocking the secretion of gastric acid (Savarino et al., 2009; Sun et al., 2024). Currently, PPIs have been widely used in the treatment of all known acid-related diseases, such as gastroesophageal reflux disease, non-steroidal anti-inflammatory drugs-induced gastrointestinal lesions, peptic ulcer, and Helicobacter pylori infection. (McGowan et al., 2010).

Given the remarkable efficacy of PPIs in the treatment of gastric acid-related disorders, patients tend to choose to use these drugs for a longer period. In England, about a quarter of patients taking PPIs continue to take them for more than a year (Farrell et al., 2022). The impact of long-term use of certain drugs (such as PPIs) on bone health, particularly the risk of osteoporosis, is controversial. Large epidemiological studies, such as those in Denmark and the UK, suggest that high-dose PPI use may increase the risk of hip fractures. (Savarino et al., 2009). However, other studies have suggested that no significant differences in bone mineral density or bone turnover markers between long-term PPI users and non-users (Targownik et al., 2017). The divergent results may be due to differences in study designs and populations, so the effect of PPIs on bone health remains a topic of ongoing debate.

Among the five clinically used PPIs (omeprazole, esomeprazole, lansoprazole, pantoprazole, rabeprazole), structural differences in side chains lead to divergent pharmacokinetic and safety profiles (Lespessailles and Toumi, 2022). Therefore, individualized selection of appropriate PPIs can not only effectively promote the remission of the disease but also reduce the occurrence of adverse reactions. With the development of population aging, the change of Bone Mineral Density (BMD) has become an important consideration when choosing an appropriate PPI, especially for women and the older (Ayers et al., 2023). Research shows that the effects of PPI on BMD and fracture risk are not consistent, for example, rabeprazole and esomeprazole may be associated with higher fracture risk, while omeprazole and pantoprazole are more likely to cause hypomagnesemia, which is a key cause of loss of BMD (van der Hoorn et al., 2015; Lespessailles and Toumi, 2022; Zeng et al., 2022). Therefore, it is urgent to clarify the effects of different PPIs on BMD.

The United States Food and Drug Administration Adverse Event Reporting System (FAERS) is a global largest publicly accessible database that contains many voluntary adverse event reports submitted by consumers, manufacturers, healthcare professionals, and other stakeholders. It is mainly used to document adverse drug events and support post-marketing drug safety monitoring. In addition, data mining of drug-related case reports from spontaneous reporting systems can provide us with a valuable source of information about the real-life safety of a particular drug.

Therefore, through pharmacovigilance analysis based on FAERS database, this study aimed to clarify the association between PPIs and osteoporosis in the real world and provide new insights to fully understand their safety and drug regulation. In addition, by comparing the effects of different PPIs on osteoporosis, it is aimed to provide new ideas for the selection of different PPIs.

2 Materials and methods

2.1 Data sources

The data from the open-source United States Food and Drug Administration Adverse Event Reporting System (FAERS) from the first quarter of 2004 to the third quarter of 2024 were included in this study, and the pharmacovigilance study was conducted. Seven subset files were covered, including patient demographic and management information (DEMO), DRUG information (DRUG), adverse event coding (REAC), Patient outcome (OUTC), source of report (RPSR), start and end dates of treatment (THER), and indication for administration (INDI). These files are linked to relevant adverse events through PRIMARYID, CASEID, and drug_seq to construct a canonical association mechanism. In addition, the International Guidelines for Safety Reporting specification issued by the International Conference on Harmonization was also used for dynamic data adjustment, so as to establish a standardized reference system to realize the overall optimization of data in the adaptation process. It is worth noting that the quantity in Table 1 refers to the number of patients who have experienced osteoporosis events. And a patient may experience multiple adverse events.

Table 1
www.frontiersin.org

Table 1. Basic information about five proton pump inhibitors and osteoporosis events.

2.2 Standardized definition of adverse events

All adverse events were coded using preferred terms (PT) according to the International Medical Dictionary of Regulatory Activities (MedDRA) (version 26.1). To improve data accuracy and standardization, the study introduced a Standardized Medical Dictionary for Regulatory Activities query (SMQ). The broad and narrow definition of SMQ is a rule set for the classification and retrieval of medical concepts. The narrow definition is applied to the retrieval of “20000178: osteoporosis/osteopenia” adverse events were sorted and classified to match the spontaneously reported adverse events with relevant definitions. Specifically, a total of ten preferred terms were included in SMQ ″20000178: osteoporosis/osteopenia”, which were “10049470: Bone density decreased”, “10056809: Bone formation decreased”, “10065687: Bone loss”, “10064269: Bone marrow edema syndrome”, “10049088: Osteopenia”, “10031282: Osteoporosis”, “10031285: Osteoporosis postmenopausal”, “10031290: Osteoporotic fracture”, “10038642: Bone resorption increased” and “10039984: Senile osteoporosis”. In this study, “SMQ-osteoporosis” represents all adverse events related to osteoporosis.

2.3 Data preparation and procedures

Firstly, this study used MeSH titles to query the common names and trade names of five PPIs, and extracted relevant adverse event reports from the FAERS database. In addition, the study deeply cleaned the original data to identify and eliminate recording errors, missing key data, and duplicate and redundant reports, aiming to minimize data bias and improve the value of in-depth data mining. Specifically, when CASEID is the same, the latest FDA_DT report will be selected; When FDA_DT and CASEID are the same, choose the higher PRIMARYID report (Liu R. et al., 2024). This method ensures that only the most accurate and up-to-date reports are included. In addition, this study excluded reports lacking key demographic data or related to unapproved uses to reduce potential bias. The PTs criteria for MedDRA terminology adverse effect classification classified the drugs into four patterns: PS (primary suspicion), SS (second suspicion), C (concomitant effect), and I (interaction). To ensure that drug adverse events are highly suspected to be caused by the drug itself. This study focuses on reports where the role code of the drug in the document is “PS”. In addition, this study sorted out the proportion of cases with serious consequences caused by PPIs and the onset time data of PT involved in the corresponding signal, so as to deepen the analysis of the safety characteristics of this class of drugs.

2.4 Statistical analysis

Disproportion analysis as a method of signal detection is used in this paper in the field of pharmacovigilance. Specifically, when defining and identifying adverse events (AEs), the study used four methods: reporting odds ratio (ROR), proportional reporting ratio (PRR), information component (IC), and Empirical Bayes geometric mean (EBGM). The criteria for a positive signal in the ROR method include having three or more reports and a lower limit of the 95% confidence interval (CI) with an ROR greater than 1. Similarly, the PRR method include having three or more reports, a PRR greater than or equal to 2, and a chi square value greater than or equal to 4. The IC method adopts a positive signal detection standard, where the lower limit (IC025) of the 95% CI needs to be greater than 0. Finally, the EBGM method uses positive signal detection criteria, where the lower limit of the 95% confidence interval (EBGM05) needs to be greater than two and the number of cases needs to be greater than 0 (Gao et al., 2025). In order to identify all potential drug safety hazards, according to the pharmacovigilance information standard, the report that meets any of the above four methods and achieves a positive signal value is regarded as a positive adverse event report. The corresponding specific calculation formula is listed in Supplementary Table S1 (Rothman et al., 2004). In addition, the study used P-values based on chi-square tests to further validate the statistical significance of the results. The calculation of P-value was independent and mutually validated with the four pharmacovigilance analysis methods. In order to decrease the occurrence rate of type I error caused by multiple comparisons and improve the accuracy and reliability of the research results, we adjusted the P-value using the Bonferroni method. In addition, we conducted subgroup analyses stratified by age and gender to reduce the influence of confounding variables. In the subgroup analysis based on age, 60 years old was the criterion to divide the population into the younger group and the older group. In addition, the Weibull distribution analysis method was used to dynamically analyze the evolution trajectory of the occurrence of adverse events from the time dimension to expand the research horizon. Based on the shape parameter β and its 95% confidence interval (CI), the risk in a reference population can be assessed, categorized as follows: when β < 1 and its 95% CI < 1, it is considered that the risk of drug-related AEs decreases over time (early failure type); when β is equal to or close to one and its 95% CI includes 1, it is considered that the risk of drug-related AEs occurs with no specific spatiotemporal pattern (random failure type); when β > 1 and its 95% CI > 1, it is considered that the risk of drug-related AEs increases over time (wear-out failure type) (Liu Y. et al., 2024). R 4.4.2 and its RStudio were also used to ensure efficient, accurate and reproducible analysis.

3 Results

3.1 Descriptive analysis

During the testing period from the first quarter of 2004 to the third quarter of 2024, 210,760 adverse event reports of PPIs were recorded in the FAERS database. Of these, 3,702 were related to osteoporosis events (Figure 1). The basic information of patients taking five PPIs is given in Table 1. Esomeprazole was reported most frequently (n = 2,766, 74.7%) and rabeprazole was reported least frequently (n = 20, 0.5%). In the reports of adverse events caused by PPIs, the proportion of female patients (n = 104928, 49.8%) was higher than that of male patients (n = 63,600, 30.2%). Of note, when specific to osteoporosis events, the number of female patients was approximately three times higher (n = 2,293, 61.9%) than that of male patients (n = 664, 17.9%). When paying attention to the age composition of patients, PPIs-related osteoporosis events were more common in those aged 18–65 years. (n = 1,478, 39.9%). In addition, hospitalization (n = 1,040, 28.1%) and other serious adverse events (n = 633, 17.1%) accounted for a greater proportion of the outcomes in patients who developed osteoporosis while taking PPIs.

Figure 1
www.frontiersin.org

Figure 1. Flow chart showing the analysis process of the study.

3.2 Signal mining

Statistical analysis revealed that a total of 27 organ systems were affected by PPIs-related adverse events at the SOC level (Figure 2). Among them, the most affected systems are renal and urinary disorders (n = 188941). gastrointestinal disorders were also common. (n = 104787) while pregnancy, puerperium, and perinatal conditions accounted for the least number of SOC. (n = 1189) In terms of signal intensity, renal and urinary disorders showed the strongest positive signal among the five PPIs. In particular, the signal was the strongest in lansoprazole (ROR: 39.84, 95%CI: 39.35–40.33). (Supplementary Table S2).

Figure 2
www.frontiersin.org

Figure 2. Signal detection of five proton pump inhibitors at the system organ level (SOC). The results are presented using a bar chart. Different colors represent different drugs, and the height of the bar chart represents the quantity.

When focusing on the PT level, only three drugs (esomeprazole, omeprazole, and pantoprazole) were retrieved with positive signals (Figure 3). Esomeprazole had the highest number of osteoporosis events (n = 3599), including five positive PT. Osteoporosis was the most common adverse event of osteoporosis with the highest positive signal value (ROR: 16.31, 95%CI: 15.65–16.99, P < 0.001). In addition, a high positive signal was also found for osteopenia (ROR: 8.15, 95%CI: PT7.44-8.92, P < 0.001). Second, two positive PTs were retrieved in 789 osteoporotic events associated with omeprazole. Osteoporosis (ROR: 2.39, 95%CI: 2.39, P < 0.001) and osteopenia (ROR: 2.57, 95%CI: 2.22–2.97, P < 0.001). Pantoprazole only detected a positive signal of osteoporosis (ROR: 1.58, 95%CI: 1.31–1.9, P < 0.001). Of note, rabeprazole and lansoprazole were not retrieved for associated positive events.

Figure 3
www.frontiersin.org

Figure 3. Forest plots of the ROR and their corresponding 95% CI for five PPIs at the PT level. The value of “n” represents the number of adverse events related to osteoporosis.

In addition, SMQ contains a related set of PTs with a more stringent screening and integration mechanism. Therefore, the SMQ analysis was used to further reflect the overall association between drugs and osteoporosis events. The results showed that only two drugs showed positive signals: esomeprazole (ROR: 8.83, 95%CI: 8.53–9.13, P < 0.001) and omeprazole (ROR: 1.54, 95%CI: 1.44–1.66, P < 0.001). Of note, although pantoprazole was associated with osteoporotic events at the PT level, no positive signal was retrieved when its global signal was evaluated.

Furthermore, subgroup analysis of the two drugs that still had a positive signal on the global domain of the SMQ showed that the signal intensity of osteoporosis-related adverse events was stronger in women than in men. The results of subgroup analysis are shown in Table 2. Specifically, among patients taking esomeprazole, the overall reported pharmacovigilance signal was stronger in women (ROR: 9.47, 95%CI: 9.07–9.89, P < 0.001) than in men (ROR: 4.41, 95%CI: 4.07–4.77, P < 0.001). Similarly, in the omeprazole group, the signal value of females (ROR: 2.19, 95%CI: 2.02–2.38, P < 0.001) was stronger than that of males (ROR: 0.74, 95%CI: 0.63–0.87, P < 0.001). At the same time, when focusing on the PT dimension, it was found that osteoporosis was the only adverse event that presented positive signals in both subgroups of the two classes of drugs. Based on this common event analysis, the study showed that the signal value of adverse events in women taking esomeprazole (ROR: 13.67, 95%CI: 12.96–14.43, P < 0.001) was still higher than that in men taking esomeprazole (ROR: 10.80, 95%CI: 9.79–11.92, P < 0.001). The same outcomes were observed within the omeprazole group.

Table 2
www.frontiersin.org

Table 2. Subgroup analysis of esomeprazole and omeprazole based on age and gender.

Subgroup analysis by age showed that the signal of adverse events related to osteoporosis was stronger in the older group than in the younger group. At the overall SMQ level, the signal value of adverse events was higher in the older group (ROR: 8.94, 95%CI: 8.33–9.59, P < 0.001) than in the young group (ROR: 8.24, 95%CI: 7.80–8.71, P < 0.001). This phenomenon is more prominent in the group taking omeprazole, with an ROR value of 2.55 (95% CI: 2.28–2.86; P < 0.001) in the older patients, significantly higher than the risk level of young patients (ROR = 1.19, 95% CI: 1.04–1.37; P < 0.001). When it comes to specific PT, the older patients treated with omeprazole exhibit stronger positive signals at each PT level. It is worth noting that in the signal detection of esomeprazole, the signal of osteoporosis as an adverse event in the young group (ROR = 18.91, 95% CI: 17.66–20.25, P < 0.001) was higher than that in the older group (ROR: 11.55, 95% CI: 10.56–12.64, P < 0.001). Except for this specific PT, the signal strength of other adverse events is still higher in the older population.

3.3 Time-to-onset analysis and weibull distribution analysis

The study focused on esomeprazole and omeprazole in the assessment of the time to osteoporotic events after PPIs use. The average induction time of esomeprazole was about 1494.4 days, and the median induction time was about 1285.5 days. The AEs occurred as early as 59 days, but most of the AEs occurred more than 1 year later (about 88.0%). The mean induction time of omeprazole was about 2451.6 days, and the median induction time was about 2283 days. Similar to esomeprazole, most of the cases occurred after 1 year, accounting for about 85.7%. In addition, the adverse event survival plot showed a statistically significant difference in the time to induction of osteoporotic events between esomeprazole and omeprazole (P < 0.0001) (Figure 4). The Weibull distribution showed that the osteoporosis events caused by esomeprazole increased over time, showing a wear-out failure type. However, omeprazole showed a random failure type, indicating that the osteoporotic events induced by omeprazole have no spatiotemporal pattern. The results of the Weibull distribution are shown in Table 3.

Figure 4
www.frontiersin.org

Figure 4. Survival curve of adverse events caused by esomeprazole and omeprazole. The p-value presented in the figure is derived from the log-rank test, which is used to assess the statistical significance of differences between the survival curves of these groups.

Table 3
www.frontiersin.org

Table 3. Shape parameters of Weibull distribution for esomeprazole and omeprazole.

4 Discussion

Based on the contradictory evidence of whether PPIs can cause osteoporosis events, the study is the first to use pharmacovigilance analysis to clarify the specific risk of PPIs on osteoporosis events in the real world, providing new insights for improving patient prognosis and clinical drug regulation. Research has shown that among the five commonly used PPIs, esomeprazole and omeprazole are associated with osteoporosis events in both overall and PT level signal assessments. However, the effect of pantoprazole on bone is relatively mild, and no positive signals were detected in the more rigorous overall SMQ assessment. However, rabeprazole and lansoprazole are not associated with the occurrence of osteoporosis events.

PPI can cause various osteoporosis events, which may be caused by multiple mechanisms Firstly, from the perspective of bone metabolism, gastric acid is an important condition for the absorption of insoluble calcium, and acid suppression leads to a decrease in the absorption of soluble calcium (Sheikh et al., 1987). While a negative calcium balance is a major cause of osteoporosis. In addition, long-term use of PPIs can have adverse effects on the absorption of vitamin B12, leading to muscle weakness and an increased risk of falls and fractures in the elderly (Lewis et al., 2014). In addition to its effects on calcium absorption and vitamins, PPIs can also lead to secondary hyperparathyroidism. This can lead to faster bone resorption than bone formation, resulting in decreased bone density. (Jansen et al., 1990).

In addition, more direct effects are elucidated. Specifically, an in vitro study suggesting that PPIs can reduce bone mass and increase the risk of osteoporotic events by inhibiting collagen production (Ghebre, 2020). Of note, a recent study based on Bhargavi V Desai et al. showed that PPIs can affect the process of bone remodeling by regulating TRPM7 channels in osteocytes (Desai et al., 2022). Additionally, drug-drug interactions and pre-existing diseases are also important influencing factors in the formation of osteoporosis-related adverse events. Based on the complexity of the main applicable population of PPIs, multi-drug combination regimens are often implemented. For example, it often require combined use of glucocorticoids (Heo, 2021; Dong et al., 2024). For example, glucocorticoids, as an important confounding factor, can lead to rapid reduction of bone mass, deterioration of bone microstructure, and decrease in bone strength through a multi-target mechanism. (Lane, 2019). In addition to the above additive effects, all five PPIs described in this paper were found to competitively inhibit the activity of CYP2C19, decreasing liver enzyme activity and slowing the metabolic rate of drugs such as glucocorticoids in the body, which may further increase the risk of osteoporosis-related adverse events (Li et al., 2004). It is important to acknowledge that baseline comorbidities may introduce a certain degree of confounding into the results of this study. But the existing evidence shows that such studies can still provide valuable insights for clinical practice. (Liu et al., 2025).

The differing effects of various PPIs on bone health may be attributed to variations in their drug metabolism and gastric pH regulation efficacy. Studies have shown that rabeprazole is rapidly metabolized in the liver in a non-enzymatic form, which makes it almost impossible to accumulate in the body, so its effect on osteoporosis events is minimal (Ishizaki and Horai, 1999). In addition, lansoprazole is metabolized via dual pathways (CYP2C19 and CYP3A4), avoiding toxic retention and conferring safety. However, compared with these two drugs, esomeprazole, omeprazole, and pantoprazole mainly rely on the CYP2C19 enzyme for metabolism, which may be the primary factor of these three drugs causing bone loss. Furthermore, pantoprazole was metabolized at a faster rate through this pathway than the other two drugs, which may be one explanation for its milder effects on bone (Yasuda et al., 1995; Li et al., 2004). It is noteworthy that esomeprazole exhibits significantly higher drug exposure and longer duration of action than omeprazole, attributed to its stronger and more sustained acid-suppressive effect and lower metabolic clearance rate (Andersson et al., 2001). These factors may lead to a higher pharmacovigilance adverse signal for esomeprazole compared with omeprazole (Sheikh et al., 1987).

The results in gender subgroups suggested that positive signals tended to be of higher intensity in women than in men. Differences in dose and duration of medication between populations may account for this result. A systematic review that integrated demographic and medication factors of PPIs users showed that 56% of PPIs users were women, nearly two-thirds of them tended to take high doses of PPIs, and 25% of PPIs users took PPIs for up to 1 year (Shanika et al., 2023). Additionally, conditional risk factors of medications may yield different outcomes due to gender disparities. Specifically, long-term use of PPIs exacerbates chronic atrophic gastritis in patients with helicobacter pylori infection, and females may be more susceptible to autoimmune-mediated gastric mucosal injury (Lahner et al., 2019). This, in turn, could result in poorer absorption of bone-nourishing factors and ultimately increase the risk of osteoporosis (Cavalcoli et al., 2017; Lahner et al., 2019). It is worth noting that menopause, as a unique period for women, is a key turning point for the occurrence of adverse events related to osteoporosis (Fischer and Haffner-Luntzer, 2022). During this period, female ovarian function declines, the sharp decrease in estrogen secretion leads to the relative increase of osteoclast activity, and the homeostasis of bone resorption and bone formation is unbalanced (de Villiers, 2024). Recent studies have shown that PPI use may aggravate this abnormal level of bone metabolism (da Maia et al., 2022).

The study showed higher pharmacovigilance signals for osteoporosis-related adverse events in the older population than in the younger group, and again, irrational medication patterns are one of the key effects. A retrospective analysis of PPI users older than 65 shows that PPIs are often used without appropriate indications or for longer than recommended durations (Mehta et al., 2020). In addition, older patients tend to take longer courses to achieve symptom relief than younger patients taking PPIs, with a median exposure of up to 4.6 years (Ben-Eltriki et al., 2020; Lechien, 2022). In addition, the liver drug enzyme activities in the older group were often worse than those in the younger group (Thürmann, 2020). This slows down the metabolic rate of PPIs in this special population, exacerbates the burden of drug exposure, and eventually leads to an increased risk of osteoporosis. It is worth noting that when focusing on the specific PT level, young patients taking esomeprazole have a higher positive signal for osteoporosis as an adverse event, which may be related to their poor lifestyle habits. Research suggests that irregular diet and bedtime dinner are risk factors for gastroesophageal reflux disease (Yamamichi et al., 2012). This may lead to a higher risk of gastroesophageal reflux disease in young people, thereby increasing the use of PPIs. In addition, a lack of exercise and other unhealthy lifestyle habits may indirectly increase the risk of osteoporosis (Zhang et al., 2022).

The results of Weibull distribution suggests that the pros and cons of esomeprazole treatment should be more carefully weighed according to the specific conditions of patients in the actual clinical process. For patients with mild disease who do not require long-term treatment with this drug, dose reduction or shorter treatment duration should be considered as soon as symptoms are controlled. For those who must use drugs for a long time, it is necessary to strengthen the monitoring and consider the preventive use of anti-osteoporosis drugs, so as to minimize the potential harm of adverse drug reactions and optimize the balance between benefit and risk of clinical treatment (Hant and Bolster, 2016).

The study has some limitations. Firstly, this study only used databases sourced from FAERS, and as a database based on spontaneous reporting characteristics, the FAERS database itself has the possibility of false positives. Secondly, based on the skill proficiency and autonomy tendency of the reporter, there is often an inherent selection bias. Especially for non-serious adverse events, there is a selective bias. In addition, the study did not quantify the risk and could not infer exact causal relationships, but only provided an estimate of signal strength. Therefore, higher-quality and larger-scale prospective studies are still needed to clarify the causal relationship and increase the credibility of current conclusions. On the other hand, the integrity of data has a certain impact on the results of subgroups. For example, the age of patients taking esomeprazole is unknown, resulting in significant data loss. Finally, the residual effects of potential confounding factors require careful consideration: for instance, the lack of systematic collection of information regarding comorbidities, concomitant medications, and prescription indications may exert a certain impact on the results. Therefore, further prospective studies are needed to validate this result before it can be applied to clinical practice.

5 Conclusion

The widespread use of PPIs in clinical practice has raised concerns about their safety, especially their potential for bone damage. Whether it can lead to osteoporosis events is the key controversy in clinical practice. Using multi-strategy real-world data mining analysis, an association between esomeprazole, omeprazole, and osteoporosis-related adverse events was found. This study helps to improve the understanding of the safety of PPIs, and also provides a valuable reference for the prevention of osteoporosis-related adverse events and clinical practice.

Data availability statement

Publicly available datasets were analyzed in this study. This data can be found here: FAERS database (https://www.fda.gov).

Author contributions

JD: Conceptualization, Data curation, Methodology, Supervision, Writing – original draft, Writing – review and editing. NY: Data curation, Formal Analysis, Investigation, Writing – original draft, Writing – review and editing. YZ: Software, Writing – original draft, Writing – review and editing. SC: Writing - original draft, Writing - review and editing, Visualization. ZG: Validation, Writing – original draft, Writing – review and editing. DH: Validation, Writing – original draft, Writing – review and editing. CX: Funding acquisition, Writing – original draft, Writing – review and editing.

Funding

The author(s) declare that financial support was received for the research and/or publication of this article. This study was supported by Central Guidance of Local Science and Technology Development Funds (NO. YDZJSX20231A062) and Shanxi Provincial Scientific and Technological Achievement Transformation Guidance Special Program (NO. 202204021301067).

Acknowledgments

We are very grateful to the FAERS database for providing publicly available data that can be studied. The information, the results, or interpretation of the current study do not represent any opinion of the FDA.

Conflict of interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Generative AI statement

The author(s) declare that no Generative AI was used in the creation of this manuscript.

Publisher’s note

All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.

Supplementary material

The Supplementary Material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/fphar.2025.1582908/full#supplementary-material

References

Andersson, T., Hassan-Alin, M., Hasselgren, G., Röhss, K., and Weidolf, L. (2001). Pharmacokinetic studies with esomeprazole, the (S)-isomer of omeprazole. Clin. Pharmacokinet. 40, 411–426. doi:10.2165/00003088-200140060-00003

PubMed Abstract | CrossRef Full Text | Google Scholar

Ayers, C., Kansagara, D., Lazur, B., Fu, R., Kwon, A., and Harrod, C. (2023). Effectiveness and safety of treatments to prevent fractures in people with low bone mass or primary osteoporosis: a living systematic review and network meta-analysis for the American college of physicians. Ann. Intern. Med. 176, 182–195. doi:10.7326/M22-0684

PubMed Abstract | CrossRef Full Text | Google Scholar

Ben-Eltriki, M., Green, C. J., Maclure, M., Musini, V., Bassett, K. L., and Wright, J. M. (2020). Do proton pump inhibitors increase mortality? A systematic review and in-depth analysis of the evidence. Pharmacol. Res. Perspect. 8, e00651. doi:10.1002/prp2.651

PubMed Abstract | CrossRef Full Text | Google Scholar

Cavalcoli, F., Zilli, A., Conte, D., and Massironi, S. (2017). Micronutrient deficiencies in patients with chronic atrophic autoimmune gastritis: a review. World J. Gastroenterol. 23, 563–572. doi:10.3748/wjg.v23.i4.563

PubMed Abstract | CrossRef Full Text | Google Scholar

da Maia, T. F., de Camargo, B. G., Pereira, M. E., de Oliveira, C. S., and Guiloski, I. C. (2022). Increased risk of fractures and use of proton pump inhibitors in menopausal women: a systematic review and meta-analysis. Int. J. Environ. Res. Public Health 19, 13501. doi:10.3390/ijerph192013501

PubMed Abstract | CrossRef Full Text | Google Scholar

Desai, B. V., Qadri, M. N., and Vyas, B. A. (2022). Proton pump inhibitors and osteoporosis risk: exploring the role of TRPM7 channel. Eur. J. Clin. Pharmacol. 78, 35–41. doi:10.1007/s00228-021-03237-3

PubMed Abstract | CrossRef Full Text | Google Scholar

de Villiers, T. J. (2024). Bone health and menopause: osteoporosis prevention and treatment. Best. Pract. Res. Clin. Endocrinol. Metab. 38, 101782. doi:10.1016/j.beem.2023.101782

PubMed Abstract | CrossRef Full Text | Google Scholar

Dong, R., Zhang, Q., and Peng, H. (2024). Gastroesophageal reflux disease and the risk of respiratory diseases: a Mendelian randomization study. J. Transl. Med. 22, 60. doi:10.1186/s12967-023-04786-0

PubMed Abstract | CrossRef Full Text | Google Scholar

Farrell, B., Lass, E., Moayyedi, P., Ward, D., and Thompson, W. (2022). Reduce unnecessary use of proton pump inhibitors. BMJ Clin. Res. ed. 379, e069211. doi:10.1136/bmj-2021-069211

PubMed Abstract | CrossRef Full Text | Google Scholar

Fischer, V., and Haffner-Luntzer, M. (2022). Interaction between bone and immune cells: implications for postmenopausal osteoporosis. Semin. Cell Dev. Biol. 123, 14–21. doi:10.1016/j.semcdb.2021.05.014

PubMed Abstract | CrossRef Full Text | Google Scholar

Gao, W., Yu, J., Sun, Y., Song, Z., Liu, X., Han, X., et al. (2025). Adverse events in the nervous system associated with blinatumomab: a real-world study. BMC Med. 23, 72. doi:10.1186/s12916-025-03913-6

PubMed Abstract | CrossRef Full Text | Google Scholar

Ghebre, Y. T. (2020). Proton pump inhibitors and osteoporosis: is collagen a direct target. Front. Endocrinol. (Lausanne) 11, 473. doi:10.3389/fendo.2020.00473

PubMed Abstract | CrossRef Full Text | Google Scholar

Hant, F. N., and Bolster, M. B. (2016). Drugs that May harm bone: mitigating the risk. Cleve. Clin. J. Med. 83, 281–288. doi:10.3949/ccjm.83a.15066

PubMed Abstract | CrossRef Full Text | Google Scholar

Heo, Y. A. (2021). Budesonide/glycopyrronium/formoterol: a review in COPD. Drugs 81, 1411–1422. doi:10.1007/s40265-021-01562-6

PubMed Abstract | CrossRef Full Text | Google Scholar

Ishizaki, T., and Horai, Y. (1999). Review article: cytochrome P450 and the metabolism of proton pump inhibitors--emphasis on rabeprazole. Aliment. Pharmacol. Ther. 13 (Suppl. 3), 27–36. doi:10.1046/j.1365-2036.1999.00022.x

PubMed Abstract | CrossRef Full Text | Google Scholar

Jansen, J. B., Klinkenberg-Knol, E. C., Meuwissen, S. G., De Bruijne, J. W., Festen, H. P., Snel, P., et al. (1990). Effect of long-term treatment with omeprazole on serum gastrin and serum group A and C pepsinogens in patients with reflux esophagitis. Gastroenterology 99, 621–628. doi:10.1016/0016-5085(90)90946-x

PubMed Abstract | CrossRef Full Text | Google Scholar

Lahner, E., Zagari, R. M., Zullo, A., Di Sabatino, A., Meggio, A., Cesaro, P., et al. (2019). Chronic atrophic gastritis: natural history, diagnosis and therapeutic management. A position paper by the Italian society of hospital gastroenterologists and digestive endoscopists [AIGO], the Italian society of digestive endoscopy [SIED], the Italian society of gastroenterology [SIGE], and the Italian society of internal medicine [SIMI]. Dig. Liver Dis. 51, 1621–1632. doi:10.1016/j.dld.2019.09.016

PubMed Abstract | CrossRef Full Text | Google Scholar

Lane, N. E. (2019). Glucocorticoid-induced osteoporosis: new insights into the pathophysiology and treatments. Curr. Osteoporos. Rep. 17, 1–7. doi:10.1007/s11914-019-00498-x

PubMed Abstract | CrossRef Full Text | Google Scholar

Lechien, J. R. (2022). Treating and managing laryngopharyngeal reflux disease in the over 65s: evidence to date. Clin. Interv. Aging 17, 1625–1633. doi:10.2147/CIA.S371992

PubMed Abstract | CrossRef Full Text | Google Scholar

Lespessailles, E., and Toumi, H. (2022). Proton pump inhibitors and bone health: an update narrative review. Int. J. Mol. Sci. 23, 10733. doi:10.3390/ijms231810733

PubMed Abstract | CrossRef Full Text | Google Scholar

Lewis, J. R., Barre, D., Zhu, K., Ivey, K. L., Lim, E. M., Hughes, J., et al. (2014). Long-term proton pump inhibitor therapy and falls and fractures in elderly women: a prospective cohort study. J. Bone Min. Res. 29, 2489–2497. doi:10.1002/jbmr.2279

PubMed Abstract | CrossRef Full Text | Google Scholar

Li, X. Q., Andersson, T. B., Ahlström, M., and Weidolf, L. (2004). Comparison of inhibitory effects of the proton pump-inhibiting drugs omeprazole, esomeprazole, lansoprazole, pantoprazole, and rabeprazole on human cytochrome P450 activities. Drug metabolism Dispos. Biol. fate Chem. 32, 821–827. doi:10.1124/dmd.32.8.821

PubMed Abstract | CrossRef Full Text | Google Scholar

Liu, H., Yang, Q., Li, Z., Yan, S., and Ming, S. (2025). Systematic analysis of sugammadex-related adverse drug reaction signals using FAERS database. Int. J. Surg. Lond. Engl. 111, 1988–1994. doi:10.1097/JS9.0000000000002194

PubMed Abstract | CrossRef Full Text | Google Scholar

Liu, R., Chen, Y., Wu, S. N., Ma, W., Qiu, Z., Wang, J., et al. (2024a). Adverse drug events associated with capecitabine: a real-world pharmacovigilance study based on the FAERS database. Ther. Adv. Drug Saf. 15, 20420986241303428. doi:10.1177/20420986241303428

PubMed Abstract | CrossRef Full Text | Google Scholar

Liu, Y., Li, H., Hu, C., Tan, L., Yin, P., Li, Z., et al. (2024b). A real-world pharmacovigilance analysis for transthyretin inhibitors: findings from the FDA adverse event reporting database. Front. Pharmacol. 15, 1368244. doi:10.3389/fphar.2024.1368244

PubMed Abstract | CrossRef Full Text | Google Scholar

McGowan, B., Bennett, K., and Barry, M. (2010). Prescribing of anti-osteoporotic therapies following the use of proton pump inhibitors in general practice. Pharmacoepidemiol. Drug Saf. 19, 763–769. doi:10.1002/pds.1972

PubMed Abstract | CrossRef Full Text | Google Scholar

Mehta, N., Martinez Guasch, F., Kamen, C., Shah, S., Burry, L. D., Soong, C., et al. (2020). Proton pump inhibitors in the elderly hospitalized patient: evaluating appropriate use and deprescribing. J. Pharm. Technol. 36, 54–60. doi:10.1177/8755122519894953

PubMed Abstract | CrossRef Full Text | Google Scholar

Rothman, K. J., Lanes, S., and Sacks, S. T. (2004). The reporting odds ratio and its advantages over the proportional reporting ratio. Pharmacoepidemiol. Drug Saf. 13, 519–523. doi:10.1002/pds.1001

PubMed Abstract | CrossRef Full Text | Google Scholar

Savarino, V., Di Mario, F., and Scarpignato, C. (2009). Proton pump inhibitors in GORD an overview of their pharmacology, efficacy and safety. Pharmacol. Res. 59, 135–153. doi:10.1016/j.phrs.2008.09.016

PubMed Abstract | CrossRef Full Text | Google Scholar

Shanika, L., Reynolds, A., Pattison, S., and Braund, R. (2023). Proton pump inhibitor use: systematic review of global trends and practices. Eur. J. Clin. Pharmacol. 79, 1159–1172. doi:10.1007/s00228-023-03534-z

PubMed Abstract | CrossRef Full Text | Google Scholar

Sheikh, M. S., Santa Ana, C. A., Nicar, M. J., Schiller, L. R., and Fordtran, J. S. (1987). Gastrointestinal absorption of calcium from milk and calcium salts. N. Engl. J. Med. 317, 532–536. doi:10.1056/NEJM198708273170903

PubMed Abstract | CrossRef Full Text | Google Scholar

Sun, Y., Zhang, A., Zuo, M., Chen, J., and Zhu, L. (2024). A pharmacovigilance study of association between proton-pump inhibitors and rhabdomyolysis event based on FAERS database. J. Gastroenterol. Hepatol. 39, 289–296. doi:10.1111/jgh.16411

PubMed Abstract | CrossRef Full Text | Google Scholar

Targownik, L. E., Goertzen, A. L., Luo, Y., and Leslie, W. D. (2017). Long-term proton pump inhibitor use is not associated with changes in bone strength and structure. Am. J. Gastroenterol. 112, 95–101. doi:10.1038/ajg.2016.481

PubMed Abstract | CrossRef Full Text | Google Scholar

Thürmann, P. A. (2020). Pharmacodynamics and pharmacokinetics in older adults. Curr. Opin. Anaesthesiol. 33, 109–113. doi:10.1097/ACO.0000000000000814

PubMed Abstract | CrossRef Full Text | Google Scholar

van der Hoorn, M., Tett, S. E., de Vries, O. J., Dobson, A. J., and Peeters, G. (2015). The effect of dose and type of proton pump inhibitor use on risk of fractures and osteoporosis treatment in older Australian women: a prospective cohort study. Bone 81, 675–682. doi:10.1016/j.bone.2015.08.024

PubMed Abstract | CrossRef Full Text | Google Scholar

Yamamichi, N., Mochizuki, S., Asada-Hirayama, I., Mikami-Matsuda, R., Shimamoto, T., Konno-Shimizu, M., et al. (2012). Lifestyle factors affecting gastroesophageal reflux disease symptoms: a cross-sectional study of healthy 19864 adults using FSSG scores. BMC Med. 10, 45. doi:10.1186/1741-7015-10-45

PubMed Abstract | CrossRef Full Text | Google Scholar

Yasuda, S., Horai, Y., Tomono, Y., Nakai, H., Yamato, C., Manabe, K., et al. (1995). Comparison of the kinetic disposition and metabolism of E3810, a new proton pump inhibitor, and omeprazole in relation to S-mephenytoin 4'-hydroxylation status. Clin. Pharmacol. Ther. 58, 143–154. doi:10.1016/0009-9236(95)90192-2

PubMed Abstract | CrossRef Full Text | Google Scholar

Zeng, C., Neogi, T., Chan, A. T., Wei, J., Misra, D., Lu, N., et al. (2022). Proton pump inhibitor therapy and risk of knee replacement surgery: a general population-based cohort study. Osteoarthr. Cartil. 30, 559–569. doi:10.1016/j.joca.2021.12.010

PubMed Abstract | CrossRef Full Text | Google Scholar

Zhang, L., Zheng, Y. L., Wang, R., Wang, X. Q., and Zhang, H. (2022). Exercise for osteoporosis: a literature review of pathology and mechanism. Front. Immunol. 13, 1005665. doi:10.3389/fimmu.2022.1005665

PubMed Abstract | CrossRef Full Text | Google Scholar

Keywords: proton pump inhibitors, osteoporosis, FAERS, adverse drug events, drug safety

Citation: Di J, Yang N, Zhao Y, Chen S, Guo Z, He D and Xiang C (2025) Evaluating the risk of osteoporosis-related adverse events with proton pump inhibitors: a pharmacovigilance study. Front. Pharmacol. 16:1582908. doi: 10.3389/fphar.2025.1582908

Received: 25 February 2025; Accepted: 27 June 2025;
Published: 11 July 2025.

Edited by:

Thomas Brzozowski, Jagiellonian University Medical College, Poland

Reviewed by:

Ricardo Basto, Consultant, Nijmegen, Netherlands
Laiba Arshad, Forman Christian College, Pakistan
Azna Zuberi, Northwestern University, United States
Shoichiro Inokuchi, JMDC Inc., Japan
Luis R. Valdovinos-García, National Institute of Medical Sciences and Nutrition Salvador Zubirán, Mexico

Copyright © 2025 Di, Yang, Zhao, Chen, Guo, He and Xiang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

*Correspondence: Chuan Xiang, Y2h1YW54aWFuZ0BzeG11LmVkdS5jbg==

These authors have contributed equally to this work and share first authorship

Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.