Clinical Chemistry and Laboratory Medicine

No association between high plasma ionized calcium and minor neuropsychological symptoms in two general population cohortsCamilla J Kobyleckion April 29, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Apr 29. doi: 10.1515/cclm-2025-1356. Online ahead of print. ABSTRACT OBJECTIVES: Hypercalcemia has been associated with various non-specific minor neuropsychological symptoms but mainly in patient cohorts. Whether hypercalcemia is the cause or an innocent bystander in relation to these symptoms remains unclear. METHODS: We included 5,917 individuals from the Copenhagen City … Read more

Real-world performance of Lumipulse G plasma p-tau217: a six-month experience of a specialized clinical neurochemistry laboratoryBurak Arslanon April 29, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Apr 29. doi: 10.1515/cclm-2026-0370. Online ahead of print. ABSTRACT OBJECTIVES: Plasma p-tau217 is a leading blood-based biomarker for Alzheimer’s disease (AD), offering high diagnostic accuracy and potential utility for treatment eligibility and monitoring. However, real-world data on concordance between cerebrospinal fluid (CSF) Aβ42/40 and plasma p-tau217 in routine clinical laboratory … Read more

Performance evaluation of five large language models for assisting in the interpretation of urinalysis reports for kidney diseases: a real-world studyTao Liuon April 25, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Apr 20. doi: 10.1515/cclm-2026-0435. Online ahead of print. ABSTRACT OBJECTIVES: Large language models (LLMs) show promise for interpreting laboratory reports, yet real-world validation remains limited. This study evaluated five advanced LLMs in interpreting urinalysis reports for kidney diseases using real-world clinical data, providing empirical evidence for the utility of LLM-assisted … Read more

Post-transplant ring sideroblasts are common in haploidentical peripheral blood stem cell transplantation but not linked to SF3B1 mutationsMarlene Hollensteinon April 26, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Apr 22. doi: 10.1515/cclm-2026-0080. Online ahead of print. ABSTRACT OBJECTIVES: To determine the prevalence of erythroid dysplasia and ring sideroblasts (RS) after peripheral blood stem cell transplantation (PBSCT), stratified by transplant type, and to assess the association with SF3B1 mutations and event-free survival (EFS). METHODS: In a retrospective single-center study, … Read more

Reporting of pre-analytical variables affecting the determination of brain-derived neurotrophic factor (BDNF) in patients with stroke: a scoping reviewElisa Bevilacquaon April 25, 2026 at 10:00 am

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Clin Chem Lab Med. 2026 Apr 21. doi: 10.1515/cclm-2026-0277. Online ahead of print. ABSTRACT INTRODUCTION: Brain-derived neurotrophic factor (BDNF) is a neurotrophin expressed in the central nervous system, where it supports synaptic plasticity, neuronal survival, and dendritic remodeling. Reduced circulating BDNF levels have been reported in several neurological and psychiatric disorders, increasing evidence links BDNF … Read more

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