Annals of Clinical Biochemistry, Ahead of Print.
A case of analytical interference in urine immunofixation electrophoresis (IFE) caused by daratumumab is presented. Daratumumab, an IgG1-kappa monoclonal antibody, is well-known to produce a false IgG-kappa band in serum IFE, but urinary interference has ...

Annals of Clinical Biochemistry, Ahead of Print.

Annals of Clinical Biochemistry, Ahead of Print.
ObjectiveTo investigate the interfering factors and correction methods in the determination of serum uric acid (UA) using the uricase method in patients with elevated immunoglobulin M (IgM).Materials and MethodsIn clinical practice, the UA levels of five ...

Annals of Clinical Biochemistry, Ahead of Print.
BackgroundThis study explored the preparation and evaluation of in-house quality control (QC) materials for antinuclear antibody (ANA) and anti-double-stranded DNA antibody (anti-dsDNA) testing by indirect immunofluorescence test (IIFT), and ANA profile ...

Annals of Clinical Biochemistry, Ahead of Print.
BackgroundImmune checkpoint inhibitors (ICI) have revolutionised oncology care but can cause immune-related adverse events (irAE) requiring hospitalisation or lifelong treatment. Diagnosing irAE is complex, and laboratory testing is vital; however, ...

Annals of Clinical Biochemistry, Ahead of Print.

Annals of Clinical Biochemistry, Ahead of Print.

Annals of Clinical Biochemistry, Ahead of Print.
BackgroundCirculating tumor DNA (ctDNA)-based molecular residual disease (MRD) testing may help estimate recurrence risk after treatment. We performed a Bayesian secondary reanalysis of published aggregate data to estimate prognostic and diagnostic ...

Annals of Clinical Biochemistry, Ahead of Print.
Depression is a prevalent but underdiagnosed comorbidity in type 2 diabetes mellitus (T2DM), intensifying disease burden and complicating metabolic management. Reliable biomarkers for early detection remain limited. This study aimed to identify serum ...

Annals of Clinical Biochemistry, Ahead of Print.
Background/ObjectivesThe pre-analytical stability of electrolytes in capped whole blood at room temperature remains uncertain due to limited studies and inconsistent findings. This study investigates electrolyte stability during delayed centrifugation, in ...

Annals of Clinical Biochemistry, Ahead of Print.

Annals of Clinical Biochemistry, Ahead of Print.
BackgroundCerebrospinal fluid (CSF) spectrophotometry is well-established in the UK for measuring CSF bilirubin and oxyhaemoglobin to aid in the diagnosis of subarachnoid haemorrhage. Although it is known that some antibiotics and large amounts of ...

Annals of Clinical Biochemistry, Ahead of Print.

Annals of Clinical Biochemistry, Ahead of Print.

Annals of Clinical Biochemistry, Ahead of Print.
ContextSclerostin inhibits bone formation via the WNT/β-catenin pathway and is a therapeutic target in osteoporosis. Antibodies against sclerostin are currently under investigation for the treatment of osteogenesis imperfecta (OI), a rare, genetically and ...

Annals of Clinical Biochemistry, Ahead of Print.
The homeostatic model assessment for insulin resistance (HOMA-IR) is one of the most commonly applied surrogate markers for the measurement of insulin resistance; however, the use of this metric does require sex-specific, age-specific, and body mass index ...

Annals of Clinical Biochemistry, Ahead of Print.
BackgroundStatistical quality control continues to serve as the cornerstone for ensuring the accuracy and reliability of laboratory investigations. The current research aimed to evaluate the performance of biochemistry parameters using Six Sigma metrics ...

Annals of Clinical Biochemistry, Ahead of Print.

Annals of Clinical Biochemistry, Ahead of Print.
Cryoglobulins are proteins that are temperature sensitive, precipitating at temperatures below 37°C, and dissolve upon rewarming. However, at lower temperatures cryoglobulins can result in damage subsequently leading to vascular compromise. We present a ...

Annals of Clinical Biochemistry, Ahead of Print.
B-type natriuretic peptide (BNP) is crucial for heart failure diagnosis. However, immunoassays are vulnerable to heterophilic antibody interference, which may lead to false-positive results and significant clinical mismanagement. Studies suggest such ...