Evidence map›Paper›PMID 42875751›Full record

Trial reportBMC nephrology2026

Sustained potassium control and recurrent hyperkalemia during individualized potassium-guided sodium zirconium cyclosilicate titration in maintenance hemodialysis: a post hoc analysis of a randomized trial.

Haiming Wang, Wei Zhou, Yan Jiang

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in BMC nephrology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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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

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3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

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4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

3 authors.

Haiming WangThe First People's Hospital of Lin'an District, Hangzhou, Zhejiang, China.
Wei ZhouThe First People's Hospital of Lin'an District, Hangzhou, Zhejiang, China. 23620104@qq.com.
Yan JiangThe First People's Hospital of Lin'an District, Hangzhou, Zhejiang, China. jiangyan@hmc.edu.cn.ORCID http://orcid.org/0009-0006-8798-7558

Funding

Lin'an Sci-Tech Guidance Project (Agriculture & Social Development) 2023Y07
6 · The paper itself

Abstract

backgroundA mean predialysis potassium value at a single visit does not show whether the same patient remains controlled across consecutive months or repeatedly crosses hyperkalemic thresholds. We evaluated sustained patient-level potassium control and recurrent hyperkalemia during individualized potassium-guided sodium zirconium cyclosilicate (SZC) therapy on non-dialysis days.

methodsThis exploratory post hoc analysis used data from a previously reported single-center, open-label randomized trial of 116 patients with chronic hyperkalemia (58 per group). The primary outcome was sustained response during months 3-6, which required all four scheduled predialysis potassium measurements after the long interdialytic interval to be available, at least three of the four values to be within 4.0-5.0 mmol/L, and no unplanned hemodialysis triggered by potassium ≥ 6.5 mmol/L during the evaluation period. Missing measurements were classified as nonresponse. Adjusted risk ratios (aRRs) were estimated using modified Poisson regression with robust standard errors.

resultsThe primary outcome occurred in 25/58 (43.1%) SZC-treated participants and 8/58 (13.8%) controls (aRR 3.02, 95% confidence interval [CI] 1.49-6.14). Sustained response within 4.0-5.5 mmol/L occurred in 38/58 (65.5%) and 22/58 (37.9%), respectively (aRR 1.74, 95% CI 1.19-2.54). At least two scheduled potassium values ≥ 5.5 mmol/L occurred in 11/58 (19.0%) and 36/58 (62.1%) (aRR 0.31, 95% CI 0.18-0.55). The adjusted incidence rate ratio for visits with potassium ≥ 5.5 mmol/L was 0.36 (95% CI 0.24-0.54). Complete-case and conservative extreme-case missing-data analyses were directionally consistent with the main analysis.

conclusionsIndividualized potassium-guided SZC therapy was associated with a higher probability of meeting the sustained biochemical potassium-control criterion at scheduled monthly measurements and with fewer recurrent biochemical hyperkalemic excursions. Clinical outcomes were not evaluated in the present analysis; therefore, the observed biochemical improvements should not be interpreted as evidence of clinical benefit.

trial registrationChinese Clinical Trial Registry, ChiCTR2600119050. Registered on 14 February 2026; retrospectively registered.

Indexed as

HyperkalemiaPotassiumRenal DialysisSilicatesAgedFemaleHumansMaleRecurrencePotassiumSilicatessodium zirconium cyclosilicateHyperkalemiaLong interdialytic intervalPost hoc analysisRenal dialysisSodium zirconium cyclosilicateTreatment outcome

Identifiers

PMID42875751
PMCPMC13670448

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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 OpenQuestion graph.