mirikizumab-mrkz (Omvoh)
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Indications
- treatment of moderate to severe ulcerative colitis in adults
- Crohn's disease, noninferior to ustekinumab[3]
Contraindications
- hypersentitivity reactions
- avoid live virus vaccines
- active tuberculosis
Dosage
- Prior to Treatment Initiation
- evaluate patients for tuberculosis infection
- obtain serum AST, serum ALT & serum bilirubin
- complete all age-appropriate vaccinations according to guidelines
- 300 mg via intravenous infusion over at least 30 minutes at Weeks 0, 4, & 8
- maintenance dosage is 200 mg via subcutaneous injection
- given as 2 consecutive injections of 100 mg each at Week 12, & every 4 weeks thereafter
* Intravenous Infusion: 300 mg/15 mL (20 mg/mL) solution in a single-dose vial
* Subcutaneous Injection: 100 mg/mL solution in a single-dose prefilled pen
Adverse effects
- hepatotoxicity
- > 2%: upper respiratory tract infections, arthralgia
Mechanism of action
- humanized IgG4 monoclonal antibody that selectively binds to the p19 subunit of human IL-23 cytokine & inhibits its interaction with the IL-23 receptor
More general terms
References
- ↑ Brooks M FDA Approves Mirikizumab for Ulcerative Colitis. Medscape. October 27, 2023 https://www.medscape.com/viewarticle/997822
- ↑ D'Haens G, Dubinsky M, Kobayashi T et al Mirikizumab as Induction and Maintenance Therapy for Ulcerative Colitis. N Engl J Med 2023; 388:2444-2455, June 29 PMID: https://www.ncbi.nlm.nih.gov/pubmed/37379135 Clinical Trial. https://www.nejm.org/doi/full/10.1056/NEJMoa2207940
- ↑ 3.0 3.1 Haelle T Mirikizumab Effective in Crohn's Disease After Initial Standard Therapy Failure. Study also showed the monoclonal antibody was noninferior to ustekinumab. MedPage Today November 29, 2024 https://www.medpagetoday.com/gastroenterology/inflammatoryboweldisease/113125
Ferrante M, D'Haens G, Jairath V et al Efficacy and safety of mirikizumab in patients with moderately-to-severely active Crohn's disease: a phase 3, multicentre, randomised, double-blind, placebo- controlled and active-controlled, treat-through study. Lancet. 2024 Nov 21:S0140-6736(24)01762-8. PMID: https://www.ncbi.nlm.nih.gov/pubmed/39581202 - ↑ HIGHLIGHTS OF PRESCRIBING INFORMATION OMVOH (mirikizumab-mrkz) injection, for intravenous or subcutaneous use https://pi.lilly.com/us/omvoh-uspi.pdf