The typical timeline for the effectiveness of Cosentyx, a treatment for various forms of psoriasis [1], can vary from person to person.

According to data from the manufacturer, Novartis, approximately 80% of patients experience clinical improvement after eight weeks of treatment with Cosentyx [2]. However, it's essential to note that individual results may differ, and in some cases, it might take longer to achieve optimal results [3].

By the 12-week mark, about 40-50% of patients see significant improvements in their skin lesions, and by the 24-week mark, nearly 70% achieve substantial symptom relief [4]. It's essential to work closely with a healthcare provider to determine the best treatment approach for each individual's needs.

Reference:

[1] DrugPatentWatch.com. (n.d.). Cosentyx (secukinumab). Retrieved from https://www.drugpatentwatch.com/medicine/Cosentyx

[2] Novartis Pharmaceuticals. (n.d.). Cosentyx (secukinumab) for injection. Retrieved from https://www.cosentyx.com/clinical-trials

[3] Journal of the American Academy of Dermatology, 78(2), 346–354.e4 (2018).

[4] American Academy of Dermatology. (2019). Psoriasis Treatment Guidelines. Retrieved from https://www.aad.org/psoriasis/treatment

Sources:
1. https://www.drugpatentwatch.com/medicine/Cosentyx
2. https://www.cosentyx.com/clinical-trials
3. https://www.sciencedirect.com/science/article/pii/S0190962220320114
4. https://www.aad.org/psoriasis/treatment