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Shikari® (Q-RITUX) Rituximab ELISA

Enzyme immunoassay for the quantitative determination of Rituximab (Rituxan®, Mabthera®) in human serum and plasma

This kit has been especially developed for the quantitative determination of Rituximab in serum and plasma samples between the Cmin and Cmax range of concentrations.

Rituximab Drug Bank Accession Number is DB00073

Rituximab is a monoclonal anti-CD20 antibody used to treat non-Hodgkin's lymphoma, chronic lymphocytic leukemia, Wegener's granulomatosis, pemphigus vulgaris, and rheumatoid arthritis.

Measurement of biological drug trough levels and antibody to biological drug gained high importance during the course of treatment. Rituximab is a genetically engineered chimeric murine/human monoclonal antibody directed against the CD20 antigen found on the surface of normal and malignant B lymphocytes. The antibody is an IgG1 kappa immunoglobulin containing murine light and heavy-chain variable region sequences and human constant region sequences. Measurement of biological drug trough levels and antibody to biological drug gained high importance during the course of treatment. These measurements enable dose adjustments and switch to another class of biological drug when necessary.

All SHIKARI® ELISA kits are suitable for biosimilar work.

All SHIKARI® ELISA kits are produced under ISO 13485 quality system and have CE IVD mark.

For technical inquiry, please contact techsupport@matriksbiotek.com

Required Volume (µl) 10
Total Time (min) 135
Sample Serum, plasma
Sample Number 96
Detection Limit (ng/mL) 3
Spike Recovery (%) Between 85-115
Shelf Life (year) 1
Assay type Quantitative
Species Reactivity Human
Storage conditions Store at +4°C. Please refer to protocols.
Shipping conditions At room temperature
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Safety Data Sheet (SDS) Download
Instructions for Use Download
Validation Report Download

Publications with this drug

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Sinha, Aditi, et al. "Sequential rituximab therapy sustains remission of nephrotic syndrome but carries high risk of adverse effects." Nephrology Dialysis Transplantation 38.4 (2023): 939-949. Visit Link
Chen, Yewei, et al. "Population pharmacokinetics of rituximab in pediatric patients with frequent-relapsing or steroid-dependent nephrotic syndrome." Frontiers in Pharmacology 12 (2021): 725665. Visit Link
Liu, Shu, et al. "Rituximab exposure‐response in triweekly R‐CHOP treatment in DLBCL: A loading dose is recommended to improve clinical outcomes." Clinical and Translational Science 15.3 (2022): 680-690. Visit Link
Liu, Shu, et al. "Low initial trough concentration of rituximab is associated with unsatisfactory response of first-line R-CHOP treatment in patients with follicular lymphoma with grade 1/2." Acta Pharmacologica Sinica 42.4 (2021): 641-647. Visit Link
Bai, Yunfei, et al. "Anti-rituximab antibodies in patients with refractory autoimmune nodopathy with anti-neurofascin-155 antibody." Frontiers in Immunology 14 (2023): 1121705. Visit Link
Chen, Yewei, et al. "Using real-world data to inform dosing strategies of rituximab for pediatric patients with frequent-relapsing or steroid-dependent nephrotic syndrome: a prospective pharmacokinetic-pharmacodynamic study." Frontiers in Pharmacology 14 Visit Link
Abdullah, Iqbal Muaafi, et al. "The Diagnostic Value of Anti-rituximab Ab in Iraqi Patient with Chronic Lymphocytic Leukemia." International journal of health sciences 6.S6: 3005-3013. Download