| Field | Specification |
|---|---|
| Target | |
| Alternative names | ADCT-301(unconjugated), HuMax-TAC-ADC |
| UniProt # | |
| CAS no. | |
| Reactivity | |
| Applications | |
| Assay type | |
| Sample type(s) | Plasma, Serum |
| Sensitivity | |
| Detection range | |
| Detection method | |
| Storage | |
| Shipping | |
| Catalog no. (Mfr.) | |
| Main SKU |
Assay Principle
This microplate immunoassay quantifies Camidanlumab by colorimetric detection: samples and kit standards are processed in parallel, and absorbance values are converted to concentrations through the per-plate standard curve.
Background
Camidanlumab tesirine is an antibody-drug conjugate against CD25, an antigen expressed in several malignancies, including acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML). This open-label, dose-escalation and -expansion study (NCT02588092) assessed the safety, activity, pharmacokinetics (PK), and immunogenicity of camidanlumab tesirine in patients with relapsed/refractory ALL/AML. A total of 35 patients (34 AML and 1 ALL) were enrolled and received camidanlumab tesirine intravenously at 3-92 μg/kg once every three weeks (Q3W, n = 26) or 30 or 37.5 μg/kg every week (QW, n = 9). One dose-limiting toxicity of maculopapular rash occurred in the 30 μg/kg QW group; the maximum tolerated dose was not reached. No additional safety concerns or adverse events (AEs) of interest were identified. The most common (>10 % of patients) Grade ≥3 treatment-emergent AEs were febrile neutropenia (25.7 %), lymphopenia, neutropenia, thrombocytopenia or fatigue (all 14.3 %), pneumonia, increased gamma-glutamylListase, and hypophosphatemia (each 11.4 %). No signal for serious immune-related AEs such as Guillain-Barré syndrome/polyradiculopathy was observed and there was no evidence of immunogenicity. PK showed rapid clearance with apparent half-life <2 days for conjugated and total antibody, suggesting that Q3W dosing may be insufficient for therapeutic efficacy, and prompting exploration of a QW schedule. Two patients achieved complete responses with incomplete hematologic recovery; one each at 30 and 37.5 μg/kg QW. The trial was terminated during dose escalation due to programmatic reasons other than safety. Hence, recommended dose was not determined.
Specifications
| Assay Type | Quantitative Colorimetric ELISA |
|---|---|
| Detection Method | Colorimetric |
| Plate Format | 96-well (96T) |
| Sample Types | Plasma, Serum |
| Sensitivity | 0.156 μg/mL |
| Detection Range | 0.31-5 μg/mL |
| Recovery | 80-120% |
| Stability & Storage | The stability of ELISA kit is determined by the loss rate of activity. The loss rate of this kit is less than 10% prior to the expiration date under appropriate storage condition. |
| Shipping | 2-8 °C |
| CAS Number | 921618-45-3 |
| UniProt | P01589 |
| Alternative Names | ADCT-301(unconjugated), HuMax-TAC-ADC |
Performance Data
Performance is defined by a quantitative range of 0.31-5 μg/mL, an analytical sensitivity of 0.156 μg/mL, typical spike recovery of 80-120%. For best precision, target the central portion of the curve and confirm matrix behavior with spike-recovery and dilution-linearity checks before routine runs.
Target Notes
The target is also referenced in the literature as ADCT-301(unconjugated), HuMax-TAC-ADC. Curated target information is available under UniProt accession P01589. The corresponding compound is registered under CAS 921618-45-3.
Common Research Applications
- Pharmacokinetic profiling of the drug in preclinical and translational research models
- Bioanalytical method development, bridging, and comparability studies
- Stability and formulation studies requiring reproducible concentration readouts
Safety & Handling
For Research Use Only. Not for diagnostic or therapeutic use. Handle all reagents and samples according to your institution's laboratory safety guidelines, and store components as recommended to preserve assay performance.
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