Infliximab Remicade® / Remsima®
Ten SHIKARI® assays support infliximab pharmacokinetic and immunogenicity research. To prevent assay selection and result interpretation from being mixed, the portfolio below separates the Remicade®-associated and Remsima®-optimised kits by REF code, specifications and quotation route.

Why Infliximab is relevant to biological-drug monitoring research
Infliximab has clinically important target biology, indication-specific dosing and measurable systemic exposure, making drug concentration and immunogenicity relevant research variables. Scientific source ↗ · EMA source ↗
Molecular Target & Structure
Infliximab is a chimeric IgG1 monoclonal antibody that binds soluble and transmembrane TNF-α. The page retains separate Remicade® and Remsima® assay families because analytical configuration can differ even when the active biological drug is infliximab. Source ↗
Approved Indications
EMA-authorised uses include rheumatoid arthritis, Crohn’s disease, ulcerative colitis, ankylosing spondylitis, psoriatic arthritis and plaque psoriasis, with paediatric use in selected inflammatory-bowel-disease indications. EMA source ↗
Selected Trough-Level Evidence
Published exposure–response studies report indication- and outcome-specific trough concentrations:
Research-associated ranges, not universal treatment cut-offs. Values vary by endpoint, timing, assay method and population. This page is for RUO product information and does not provide clinical guidance.
Ten kits, separated by assay family
Every kit below retains its own REF code, intended analytical question and official product link. Selecting a family does not combine or average assay results.
Infliximab / Remicade® assays
Reference-product and general infliximab assays. QS-INFLIXI is intentionally marked as a cross-family assay because its official record covers Remicade® and Remsima®.
Quantitative enzyme immunoassay for infliximab (Remicade®) in human serum and plasma, developed for measurements across the Cmin–Cmax research range.
Specific and quantitative enzyme immunoassay for free infliximab in human serum and plasma. The official product record explicitly covers both Remicade® and Remsima®.
Qualitative enzyme immunoassay for antibodies to infliximab (Remicade®) in human serum and plasma. Results are interpreted against the assay cut-off rather than as a quantitative titre.
Quantitative enzyme immunoassay for antibodies to infliximab (Remicade®) in human serum and plasma, supplied with a confirmation step.
Semi-quantitative assay for total and free antibodies to infliximab in human serum and plasma. The total-ADA workflow includes dissociation of infliximab–antibody complexes.
Qualitative target-capture enzyme immunoassay for free neutralising antibodies to infliximab in serum and plasma, with positive, negative, cut-off and non-neutralising-antibody controls.
Infliximab biosimilar / Remsima® assays
Dedicated drug-level and ADA assays with separate Remsima® REF codes. These kits remain distinct in the comparison table, quote list and publication grouping.
Quantitative enzyme immunoassay for free infliximab biosimilar (Remsima®) in human serum and plasma, developed for the Cmin–Cmax research range.
Qualitative enzyme immunoassay for antibodies to infliximab biosimilar (Remsima®) in human serum and plasma. Results are interpreted against the assay cut-off.
Quantitative enzyme immunoassay for antibodies to infliximab biosimilar in human serum and plasma, supplied with confirmation and optimised with Remsima®.
Semi-quantitative assay for total and free antibodies to infliximab biosimilar in serum and plasma. The official product record identifies it as a Remsima®-focused total/free ADA format.
Kit Specifications at a Glance
Values below reproduce the current official product records. All ten kits use human serum or plasma, provide 96 tests, are stored at +4°C according to protocol and ship at room temperature.
Infliximab / Remicade® family
Six distinct REF codes| Kit Name | Catalog Code | Type | Analyte | ELISA Format | Tests | Storage |
|---|---|---|---|---|---|---|
| SHIKARI® Q-INFLIXI | INF-FD-REMI | Drug Levels | Infliximab (Remicade®) | Quantitative drug-level ELISA | 96 | 2–8°C |
| SHIKARI® QS-INFLIXI | INF-SPEC-INF | Specific Drug Levels | Free infliximab | Specific quantitative drug-level ELISA | 96 | 2–8°C |
| SHIKARI® Q-ATI | INF-QLS-REMI | Qualitative ADA | Anti-infliximab antibodies | Qualitative ADA ELISA | 96 | 2–8°C |
| SHIKARI® Q-ATI w/confirmation | INF-QNS-REMI | Quantitative ADA | Anti-infliximab antibodies | Quantitative ADA ELISA with confirmation | 96 | 2–8°C |
| SHIKARI® Q-ATI TOTAL | INF-QNFT-REMI | Free / Total ADA | Anti-infliximab antibodies | Free / total ADA ELISA | 96 | 2–8°C |
| SHIKARI® T-CAP NAb Assay™ | INF-TCAP-NAb-REMI | T-CAP NAb™ | Free neutralising antibodies to infliximab | Target Capture NAb ELISA | 96 | 2–8°C |
Infliximab biosimilar / Remsima® family
Four dedicated REF codes| Kit Name | Catalog Code | Type | Analyte | ELISA Format | Tests | Storage |
|---|---|---|---|---|---|---|
| SHIKARI® Q-REMS | INF-FD-REMS | Drug Levels | Infliximab biosimilar (Remsima®) | Quantitative drug-level ELISA | 96 | 2–8°C |
| SHIKARI® S-AIR | INF-QLS-REMS | Qualitative ADA | Anti-infliximab biosimilar antibodies | Qualitative ADA ELISA | 96 | 2–8°C |
| SHIKARI® S-AIR w/confirmation | INF-QNS-REMS | Quantitative ADA | Anti-infliximab biosimilar antibodies | Quantitative ADA ELISA with confirmation | 96 | 2–8°C |
| SHIKARI® S-AIR TOTAL | INF-QNFT-REMS | Free / Total ADA | Anti-infliximab biosimilar antibodies | Free / total ADA ELISA | 96 | 2–8°C |
Keep the drug variant and analytical question explicit
This guide distinguishes assays by research purpose; it does not provide clinical decision rules. Quote requests retain the selected family and REF code.
| Research question | Remicade® / general family | Remsima®-optimised family |
|---|---|---|
| Quantitative free-drug level | Q-INFLIXI INF-FD-REMI | Q-REMS INF-FD-REMS |
| Specific quantitative free infliximab across both variants | QS-INFLIXI · INF-SPEC-INF Official record covers Remicade® and Remsima® | |
| Qualitative binding-ADA screen | Q-ATI INF-QLS-REMI | S-AIR INF-QLS-REMS |
| Quantitative binding ADA with confirmation | Q-ATI w/confirmation INF-QNS-REMI | S-AIR w/confirmation INF-QNS-REMS |
| Free and total ADA comparison | Q-ATI TOTAL INF-QNFT-REMI | S-AIR TOTAL INF-QNFT-REMS |
| Free neutralising-antibody detection | T-CAP NAb Assay™ INF-TCAP-NAb-REMI | |
Do not pool values from different assay configurations without an independently validated comparability plan. For Research Use Only (RUO). Not for use in diagnostic procedures.
Publications Using SHIKARI® Infliximab Kits 84
All journal publications below are drawn from the Matrix Biotek Publications library and are shown newest first. Records are included when the publication database identifies the biological drug and SHIKARI® product use.
Keep the assay family clear in every request
Add individual REF codes, one complete family, or the full ten-kit portfolio to the shared Quote List. Matrix Biotek will provide current regional availability, documentation, quotation and delivery information through its European headquarters in Barcelona.