Elzonris (tagraxofusp-erzs) vs Asparlas (calaspargase pegol-mknl)

Elzonris (tagraxofusp-erzs) vs Asparlas (calaspargase pegol-mknl)

Elzonris (tagraxofusp-erzs) is a targeted therapy specifically approved for the treatment of blastic plasmacytoid dendritic cell neoplasm (BPDCN), a rare type of blood cancer, and works by delivering a toxin to cancer cells. Asparlas (calaspargase pegol-mknl) is a modified enzyme used as a component of a multi-agent chemotherapeutic regimen for acute lymphoblastic leukemia (ALL), designed to deplete the amino acid asparagine, which leukemia cells need to survive. When deciding between these medications, it is crucial to consider the specific type of blood cancer being treated, as Elzonris is tailored for BPDCN, while Asparlas is indicated for ALL, and the decision should be made in consultation with a healthcare provider who can assess the individual patient's condition and treatment goals.

Difference between Elzonris and Asparlas

Metric Elzonris (tagraxofusp-erzs) Asparlas (calaspargase pegol-mknl)
Generic name Tagraxofusp-erzs Calaspargase pegol-mknl
Indications Treatment of blastic plasmacytoid dendritic cell neoplasm (BPDCN) in adults and in pediatric patients, 2 years of age and older Used as a component of a multi-agent chemotherapeutic regimen for the treatment of acute lymphoblastic leukemia (ALL) in pediatric and young adult patients aged 1 month to 21 years
Mechanism of action Fusion protein that targets CD123 and delivers a cytotoxic diphtheria toxin Modified enzyme that catalyzes the conversion of L-asparagine to aspartic acid and ammonia, depleting L-asparagine which certain leukemic cells are unable to synthesize
Brand names Elzonris Asparlas
Administrative route Intravenous Intravenous
Side effects Capillary leak syndrome, nausea, fatigue, peripheral edema, pyrexia, weight increase Allergic reactions, pancreatitis, thrombosis, hemorrhage, hepatotoxicity, hyperglycemia
Contraindications Hypersensitivity to tagraxofusp-erzs or any of its components Hypersensitivity to calaspargase pegol-mknl, pegaspargase or pegylated products, history of serious thrombosis with prior L-asparaginase therapy
Drug class CD123-directed cytotoxin Asparagine specific enzyme
Manufacturer Stemline Therapeutics, Inc. Servier Pharmaceuticals LLC

Efficacy

Elzonris (tagraxofusp-erzs) Efficacy in Treating Leukemia

Elzonris (tagraxofusp-erzs) is a targeted therapy approved by the U.S. Food and Drug Administration (FDA) for the treatment of blastic plasmacytoid dendritic cell neoplasm (BPDCN) in adults and in pediatric patients, 2 years of age and older. BPDCN is a rare form of leukemia. The efficacy of Elzonris was primarily shown in a clinical trial that included 47 patients with BPDCN. Results demonstrated that 54% of patients achieved a complete response or clinical complete response, indicating a significant impact on this rare leukemia. The median duration of response was also notable, providing patients with a period of disease control.

Asparlas (calaspargase pegol-mknl) Efficacy in Treating Leukemia

Asparlas (calaspargase pegol-mknl) is an asparagine-specific enzyme indicated as a component of a multi-agent chemotherapeutic regimen for the treatment of acute lymphoblastic leukemia (ALL) in pediatric and young adult patients aged 1 month to 21 years. This medication serves as a longer-acting alternative to native asparaginase products. In a pivotal clinical trial, Asparlas was compared to native E. coli asparaginase, demonstrating a maintenance of asparaginase activity levels above the therapeutic threshold of 0.1 IU/mL in 94% of patients. The drug's efficacy in terms of event-free survival and overall survival was found to be comparable to that of the native E. coli asparaginase, supporting its use in the treatment regimen for ALL.

Combination Therapy and Treatment Considerations

Both Elzonris and Asparlas are typically used in combination with other chemotherapeutic agents as part of a comprehensive treatment regimen for leukemia. When considering these medications, it is important to evaluate the individual patient's type of leukemia, age, treatment history, and overall health to determine the most effective and safe treatment plan. The efficacy of these drugs is enhanced when they are integrated into a well-designed treatment protocol that targets the specific characteristics of the leukemia cells.

Monitoring and Ongoing Research

Continuous monitoring of the efficacy of Elzonris and Asparlas is essential to ensure optimal outcomes for patients with leukemia. Ongoing research and clinical trials are vital to further understand the long-term efficacy and safety of these medications. As new data emerge, treatment protocols may be adjusted to incorporate the latest findings, ensuring that patients receive the most current and effective care for their condition.

Regulatory Agency Approvals

Elzonris
  • European Medical Agency (EMA), European Union
  • Food and Drug Administration (FDA), USA
Asparlas
  • Food and Drug Administration (FDA), USA

Access Elzonris or Asparlas today

If Elzonris or Asparlas are not approved or available in your country (e.g. due to supply issues), you can access them via Everyone.org.

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