Evidence map›Paper›PMID 35773740›Full record

ArticleAlzheimer's research & therapy2022

Associations between proton pump inhibitors and Alzheimer's disease: a nested case-control study using a Korean nationwide health screening cohort.

Hyo Geun Choi, Joo-Hee Kim, Ji Hee Kim, Eun Soo Kim, Ha Young Park, Kyueng-Whan Min, Mi Jung Kwon

Abstract read
In one paragraph

Article in Alzheimer's research & therapy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  8. Association between osteoporosis and risk of dementia: a Korean women nationwide population-based cohort study.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2025
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  16. Proton pump inhibitors and dementia: A nationwide population-based study.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Hyo Geun ChoiDepartment of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, 14068, South Korea.
Joo-Hee KimDivision of Pulmonary, Allergy, and, Critical Care Medicine, Department of Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 22, Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14068, Republic of Korea.
Ji Hee KimDepartment of Neurosurgery, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 22, Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14068, Republic of Korea.
Eun Soo KimDepartment of Radiology, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 22, Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14068, Republic of Korea.
Ha Young ParkDepartment of Pathology, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea.
Kyueng-Whan MinDepartment of Pathology, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Republic of Korea.
Mi Jung KwonDepartment of Pathology (Division of Neuropathology), Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 22, Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14068, Republic of Korea. mulank@hanmail.net.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSafety concerns against the use of proton pump inhibitors (PPIs) based on the risk of dementia, especially Alzheimer's disease (AD), remain controversial. Here, we investigated the likelihood of AD depending on previous PPI exposure, use duration, and PPI generation.

methodsThis nested case-control study comprised 17,225 AD patients who were 1:4 matched with 68,900 controls for age, sex, income, and region of residence from Korean National Health Insurance Service-Health Screening Cohort data between 2002 and 2015 using propensity-score matching method. Conditional and unconditional logistic regression analyses were used to evaluate the effects of previous PPI use on AD adjusting for multiple covariates.

resultsPrior PPI use increased likelihood for AD in current and past PPI users (adjusted odds ratio 1.36 [95% confidence interval (CI) = 1.26-1.46] and 1.11 [95% CI = 1.04-1.18], respectively). Participants with either < 30 days, 30-90 days, or > 90 days of PPI prescription showed higher odds for AD (1.13 [95% CI = 1.07-1.19]; 1.18 [95% CI = 1.10-1.27]; 1.26 [95% CI = 1.16-1.36], respectively). Participants with either 1st-generation or 2nd-generation PPIs demonstrated higher incidences of AD in those with < 30 days (1.14 [95% CI = 1.07-1.22] and 1.13 [95% CI = 1.05-1.22], respectively), 30-90 days (1.19 [95% CI = 1.09-1.30] and 1.17 [95% CI = 1.05-1.29], respectively), or > 90 days (1.18 [95% CI = 1.07-1.30] and 1.27 [95% CI = 1.14-1.43], respectively) of prescription.

conclusionsPrior PPI use, regardless of current or past exposure, duration of use, or use of 1st- or 2nd-generation PPIs, may increase likelihood of AD, providing supportive evidence of previous pharmacoepidemiologic studies.

Indexed as

Alzheimer DiseaseProton Pump InhibitorsCase-Control StudiesCohort StudiesHumansRepublic of KoreaRisk FactorsProton Pump InhibitorsAlzheimer’s diseaseDementiaNested case–control studyProton pump inhibitors

Identifiers

PMID35773740
PMCPMC9248149

What Socratic holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.