Aimovig (erenumab) vs Zavzpret (zavegepant)

Aimovig (erenumab) vs Zavzpret (zavegepant)

Aimovig (erenumab) is a once-monthly injectable monoclonal antibody designed to prevent migraines by blocking the calcitonin gene-related peptide (CGRP) receptor, which is believed to play a critical role in migraine attacks. Zavzpret (zavegepant), on the other hand, is a CGRP receptor antagonist administered as a nasal spray, and it is used for the acute treatment of migraine with or without aura in adults, offering a non-oral route of administration that may be beneficial for those with nausea or vomiting. When deciding between the two, a patient should consider whether they are seeking prevention of migraines, in which case Aimovig might be suitable, or if they need relief during an active migraine attack, for which Zavzpret is indicated.

Difference between Aimovig and Zavzpret

Metric Aimovig (erenumab) Zavzpret (zavegepant)
Generic name Erenumab Zavegepant
Indications Preventive treatment of migraine in adults Acute treatment of migraine with or without aura in adults
Mechanism of action Calcitonin gene-related peptide (CGRP) receptor antagonist Calcitonin gene-related peptide (CGRP) receptor antagonist
Brand names Aimovig Zavzpret
Administrative route Subcutaneous injection Nasal spray
Side effects Injection site reactions, constipation, cramps and muscle spasms Nasal dryness, nasal discomfort, abnormal taste, nausea
Contraindications Known hypersensitivity to erenumab or any of its excipients Known hypersensitivity to zavegepant or any of its excipients
Drug class Monoclonal antibody Small molecule CGRP antagonist
Manufacturer Amgen Biohaven Pharmaceuticals

Efficacy

Efficacy of Aimovig (Erenumab) for Migraine

Aimovig (erenumab) is a novel therapeutic agent specifically designed to prevent migraines. It belongs to a class of drugs known as calcitonin gene-related peptide (CGRP) receptor antagonists. Aimovig works by blocking the action of CGRP, a molecule involved in migraine attacks, and has been shown to be effective in reducing the frequency of migraine days in adults. Clinical trials have demonstrated that patients receiving Aimovig experienced a significant reduction in monthly migraine days compared to those on placebo. Moreover, some patients treated with Aimovig reported experiencing half the number of migraine days, which indicates a substantial improvement in the quality of life for those suffering from chronic migraines.

While the efficacy of Aimovig varies among individuals, studies have consistently shown that it can be effective as both a monotherapy and as part of a combination therapy for the prevention of migraines. The drug's effectiveness is also supported by its ability to reduce the use of acute migraine medications, which patients often rely on to manage migraine attacks. Aimovig's efficacy in reducing the number of days with migraines has made it a valuable addition to the therapeutic options available to patients with this debilitating condition.

Efficacy of Zavzpret (Zavegepant) for Migraine

Zavzpret (zavegepant) is another medication targeting the CGRP pathway, but unlike Aimovig, it is used for the acute treatment of migraine with or without aura in adults. Zavegepant is a CGRP receptor antagonist that comes in the form of a nasal spray, offering a non-oral route of administration which can be particularly beneficial for patients who experience nausea or vomiting during migraine attacks. In clinical studies, zavegepant has been shown to be effective in relieving migraine pain as well as the most bothersome symptoms associated with migraines, such as sensitivity to light or sound, within two hours of administration.

The efficacy of Zavzpret in treating acute migraine attacks has been established through rigorous clinical trials. Patients treated with zavegepant reported a greater rate of pain freedom and freedom from their most bothersome symptom at two hours post-dose compared to those who received a placebo. These outcomes suggest that Zavzpret can provide fast relief from migraine symptoms, making it a promising option for the acute management of migraines. As with any medication, the response to Zavzpret can vary from person to person, but the evidence supports its role as an effective acute treatment for migraines.

Regulatory Agency Approvals

Aimovig
  • European Medical Agency (EMA), European Union
  • Food and Drug Administration (FDA), USA
  • Health Canada
  • Pharmaceuticals and Medical Devices Agency (PMDA), Japan
  • Therapeutic Goods Administration (TGA), Australia
  • Swissmedic (CH)
  • Medsafe (NZ)
Zavzpret
  • Food and Drug Administration (FDA), USA

Access Aimovig or Zavzpret today

If Aimovig or Zavzpret 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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