Several factors can influence the duration of effectiveness of Cosentyx. The drug's patent information [1] provides insights into its formulation and properties, which can impact how long it remains effective in the body. Additionally, a study published on the National Center for Biotechnology Information [2] discusses the efficacy of Cosentyx in treating certain conditions, shedding light on how its effectiveness may vary based on individual factors such as disease severity and patient response. Moreover, information on the official Cosentyx website [3] highlights the importance of adherence to the prescribed treatment regimen, including dosage and frequency, which can affect the drug's duration of effectiveness. These sources collectively suggest that factors like formulation, disease characteristics, patient response, and treatment adherence play crucial roles in determining how long Cosentyx remains effective in managing the conditions it is prescribed for.

Sources:
[1] https://www.drugpatentwatch.com/p/biologics/tradename/COSENTYX
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7894540/
[3] https://www.cosentyx.com/all/treatment-cost