Abstract
Purpose
Previous research on the association between proton pump inhibitor (PPI) use and the risk of progression to high-grade dysplasia (HGD)/esophageal adenocarcinoma (EAC) in Barrett’s Esophagus (BE) patients has generated inconsistent findings. This meta-analysis was performed to clarify the association.
Methods
We performed a comprehensive search strategy to select relevant studies up to September 2020. Heterogeneity was assessed using the I-squared statistic. Odds ratios (OR) and 95% confidence intervals (CI) were calculated through either fixed-effects or random-effects model. Duration-response was also performed to assess the gain effects of different PPI intake duration. Sensitivity analysis, subgroup analyses, and tests for publication bias or other small-study effects were conducted.
Results
Twelve studies with 155,769 subjects were included. The PPI use was associated with the reduced risk of BE progression to HGD/EAC (OR = 0.47, 95% CI = 0.32–0.71). In the duration–response analysis, the estimated OR for decreased risk of HGD/EAC with PPI intake duration of 12 months was 0.81 (95% CI = 0.71–0.91). Sensitivity analysis suggested the results of this meta-analysis were stable. No publication bias was detected.
Conclusions
PPI use is associated with a decreased risk of HGD/EAC in patients with BE. For further investigation, that more well-designed studies are still needed to elucidate the protective effect of PPI usage on BE patients to prevent HGD/EAC.
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Abbreviations
- BMI:
-
Body mass index
- CI:
-
Confidence interval
- EAC:
-
Esophageal adenocarcinoma
- EC:
-
Esophageal cancer
- GE:
-
Gastroesophageal
- GERD:
-
Gastroesophageal reflux disease
- HGD:
-
High-grade dysplasia
- HR:
-
Hazard ratio
- LGD:
-
Low-grade dysplasia
- LSBE:
-
Long-segment Barrett’s esophagus
- NA:
-
Not applicable
- NDBE:
-
Non-dysplastic Barrett’s esophagus;
- NOS:
-
Newcastle–Ottawa Scale
- NR:
-
Not reported
- NSAIDs:
-
Nonsteroidal anti-inflammatory drugs
- OR:
-
Odd ratio
- PPI:
-
Proton pump inhibitor
- PRISMA:
-
Preferred reporting project declared by the systematic review and meta-analysis
- PROSPERO:
-
Prospective register of systematic reviews
- RR:
-
Relative risk
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YC performed literature search, collected the data, statistical analysis and wrote the manuscript. CS designed the study, performed literature search, collected the data, performed statistical analysis and wrote the manuscript. YW performed statistical analysis, revised the manuscript and provided critical opinion. XC analyzed and interpreted the data. SK, ZK, and GL provided critical opinion and revised the manuscript. ZG and HY revised the manuscript LH participated in the literature search. QZ provided critical opinion, participated in literature search, and revised the manuscript. All authors approved the final manuscript.
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Chen, Y., Sun, C., Wu, Y. et al. Do proton pump inhibitors prevent Barrett’s esophagus progression to high-grade dysplasia and esophageal adenocarcinoma? An updated meta-analysis. J Cancer Res Clin Oncol 147, 2681–2691 (2021). https://doi.org/10.1007/s00432-021-03544-3
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DOI: https://doi.org/10.1007/s00432-021-03544-3