Taltz (ixekizumab) vs Wezlana (ustekinumab-auub)

Taltz (ixekizumab) vs Wezlana (ustekinumab-auub)

Taltz (ixekizumab) and Wezlana (ustekinumab-auub) are both biologic medications used to treat moderate to severe plaque psoriasis, among other conditions, but they target different proteins involved in the inflammatory process. Taltz blocks interleukin-17A (IL-17A), which is thought to play a key role in driving the inflammation associated with psoriasis, potentially leading to rapid skin clearance. In contrast, Wezlana, a biosimilar to Stelara (ustekinumab), blocks interleukins 12 and 23, offering a different mechanism of action that may be preferable depending on an individual's specific condition, medical history, and response to treatment.

Difference between Taltz and Wezlana

Metric Taltz (ixekizumab) Wezlana (ustekinumab-auub)
Generic name Ixekizumab Ustekinumab-auub
Indications Plaque psoriasis, Psoriatic arthritis, Ankylosing spondylitis Plaque psoriasis, Psoriatic arthritis, Crohn's disease, Ulcerative colitis
Mechanism of action Interleukin-17A antagonist Interleukin-12 and -23 antagonist
Brand names Taltz Wezlana
Administrative route Subcutaneous injection Subcutaneous injection
Side effects Injection site reactions, Upper respiratory infections, Nausea, Fungal infections Infections, Injection site reactions, Headache, Fatigue
Contraindications Hypersensitivity to ixekizumab or any of the excipients Hypersensitivity to ustekinumab or any of the excipients
Drug class Monoclonal antibody Monoclonal antibody
Manufacturer Eli Lilly and Company Janssen Biotech, Inc.

Efficacy

Efficacy of Taltz (Ixekizumab) in Treating Psoriasis

Taltz (ixekizumab) is an immunosuppressant that is specifically designed to treat moderate to severe plaque psoriasis in adults who may benefit from systemic therapy or phototherapy. It is a biologic medication that works by targeting interleukin 17A (IL-17A), a protein that plays a significant role in the development of psoriatic plaques. Clinical trials have demonstrated that Taltz can lead to significant skin clearance. In these trials, many patients achieved a 75% reduction in the Psoriasis Area and Severity Index (PASI 75) after just 12 weeks of treatment, and some even reached PASI 90 or PASI 100, indicating near-complete or complete clearance of skin lesions.

The efficacy of Taltz has been sustained in long-term studies, with a good proportion of patients maintaining significant skin clearance over a period of 60 weeks and beyond. The safety and efficacy of Taltz in the treatment of psoriatic arthritis have also been established, providing an additional benefit for psoriasis patients who may suffer from this related condition. However, it is important to note that individual responses to Taltz can vary, and some patients may experience a lesser degree of skin clearance.

Efficacy of Wezlana (Ustekinumab-auub) in Treating Psoriasis

Wezlana (ustekinumab-auub) is another biologic medication approved for the treatment of moderate to severe plaque psoriasis in adults. It is a biosimilar to the original ustekinumab, which means it is highly similar to an already FDA-approved biological product, known as a reference product, and has no clinically meaningful differences in terms of safety, purity, and potency. Ustekinumab targets interleukin 12 and interleukin 23, cytokines involved in inflammatory and immune responses, including the pathogenesis of psoriasis.

Clinical studies have shown that Wezlana is effective in achieving significant skin clearance in patients with plaque psoriasis. A majority of patients treated with ustekinumab can achieve PASI 75 within 12 weeks, and some patients may even attain PASI 90 or PASI 100, indicating an excellent response to treatment. The long-term efficacy of ustekinumab has been established, with many patients maintaining treatment response with continued therapy. As with other biologics, the response to Wezlana can vary among individuals.

Regulatory Agency Approvals

Taltz
  • European Medical Agency (EMA), European Union
  • Food and Drug Administration (FDA), USA
  • Health Canada
  • Therapeutic Goods Administration (TGA), Australia
Wezlana
  • Food and Drug Administration (FDA), USA

Access Taltz or Wezlana today

If Taltz or Wezlana 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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