Disulfide With Humanized Clone ABT1 Kappa-chain
Disulfide With Humanized Clone ABT1 Kappa-chain Uses, Dosage, Side Effects, Food Interaction and all others data.
Disulfide With Humanized Clone ABT1 Kappa-chain is an IgG4 humanized monoclonal antibody targeted against the human programmed death receptor-1 (PD-1). PD-1 receptors are found on T-cells and, when activated, serve to inhibit immune responses - some cancers leverage this system by overexpressing PD-1 ligands, thereby effectively inhibiting the anti-tumor immune response that would typically attempt to destroy the cancerous cells. Agents acting on the PD-1 pathway, such as nivolumab and pembrolizumab, facilitate endogenous immune-mediated anti-tumor activity and may therefore be used to treat a wide variety of cancers, including those of the skin, lung, kidneys, and liver.
In April 2021, dostarlimab was granted an accelerated approval by the FDA - as GlaxoSmithKline's dostarlimab-gxly (Jemperli) - for the treatment of adult patients with recurrent or advanced mismatch repair deficient (dMMR) endometrial cancer experiencing disease progression despite treatment with platinum-containing chemotherapy regimens. As this accelerated approval was granted only for the treatment of dMMR endometrial cancers, it was approved alongside a companion diagnostic device - the VENTANA MMR RxDx Panel - for use in selecting appropriate patients for treatment.
Disulfide With Humanized Clone ABT1 Kappa-chain is an immunotherapy that facilitates the body's endogenous anti-tumor immune response in the treatment cancer. It is administered over a span of 30 minutes via intravenous infusion every three to six weeks depending on the cycle.
| Trade Name | Disulfide With Humanized Clone ABT1 Kappa-chain |
| Availability | Prescription only |
| Generic | Dostarlimab |
| Dostarlimab Other Names | Dostarlimab, dostarlimab-gxly, Immunoglobulin G4, anti-programmed cell death protein 1 (PDCD1) (humanized clone ABT1 gamma4-chain), disulfide with humanized clone ABT1 kappa-chain, dimer |
| Related Drugs | methotrexate, Keytruda, medroxyprogesterone, megestrol, hydroxyurea, pembrolizumab, Provera, Lenvima, Hydrea, Jemperli |
| Type | |
| Formula | C6420H9832N1680O2014S44 |
| Weight | 144000.0 Da (non-glycosylated) |
| Groups | Approved, Investigational |
| Therapeutic Class | |
| Manufacturer | |
| Available Country | |
| Last Updated: | September 19, 2023 at 7:00 am |
Uses
Disulfide With Humanized Clone ABT1 Kappa-chain is an anti-PD-1 monoclonal antibody used in the treatment of mismatch repair deficient endometrial cancers.
Disulfide With Humanized Clone ABT1 Kappa-chain-gxly is indicated for the treatment of adult patients with mismatch repair deficient (dMMR) recurrent or advanced endometrial cancer that has progressed despite ongoing or prior treatment with a platinum-containing chemotherapy regimen.
Disulfide With Humanized Clone ABT1 Kappa-chain is also used to associated treatment for these conditions: Advanced Mismatch Repair-deficient (dMMR) Endometrial Cancer, Recurrent Mismatch Repair-deficient (dMMR) Endometrial Cancer
How Disulfide With Humanized Clone ABT1 Kappa-chain works
Approximately 13-30% of recurrent endometrial cancers involve microsatellite instability (MSI) or mismatch repair deficiency (dMMR). The mutations resulting in dMMR endometrial cancers are primarily somatic in nature (~90%), although 5-10% of cases involve germline mutations. Cancers that have mutations resulting in dMMR can upregulate the expression of programmed death receptor-1 (PD-1) ligands 1 and 2 (PD-L1 and -L2) - PD-1 is found on T-cells and, when activated, inhibits their proliferation and the production of cytokines. The binding of these ligands to PD-1 thereby functions as an immune checkpoint that downregulates the anti-tumor immune response.
Disulfide With Humanized Clone ABT1 Kappa-chain is a monoclonal antibody targeted against PD-1 - it binds to the receptor and prevents interactions with PD-L1 and PD-L2, thus allowing the anti-tumor immune response to proceed unimpeded.
Toxicity
There are no data regarding overdose with dostarlimab. Symptoms of overdosage are likely to be consistent with the adverse effect profile of dostarlimab and may therefore involve significant immune-mediated reactions.
Food Interaction
No interactions found.Volume of Distribution
At steady-state, the mean volume of distribution of dostarlimab is 5.3L.
Elimination Route
During the first cycle, and administered at 500mg intravenously every 3 weeks, the mean Cmax and AUC0-tau of dostarlimab-gxly are 171 mcg/mL and 35,730 mcg.h/mL, respectively. When administered at 1000mg every 6 weeks, the mean Cmax and AUC0-tau are 309 mcg/mL and 95,820 mcg.h/mL, respectively.
Half Life
The mean terminal elimination half-life of dostarlimab is 25.4 days.
Clearance
At steady-state, the mean clearance of dostarlimab is 0.007 L/h.
Innovators Monograph
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