There is no clear evidence to suggest that Cosentyx affects hunger signals. Cosentyx is a biologic drug used to treat certain autoimmune diseases such as psoriasis and psoriatic arthritis [1]. According to the official website of Cosentyx, the most common side effects of the drug are infections and reactions at the injection site [2]. However, there is no mention of changes in appetite or hunger signals as a side effect.

A study published in the National Library of Medicine did not report any changes in appetite or weight gain in patients who were treated with Cosentyx [3]. However, it is important to note that individual responses to medications can vary and some people may experience side effects that are not listed. Therefore, it is important to discuss any concerns or potential side effects with a healthcare provider.

In conclusion, based on the provided sources, there is no clear evidence to suggest that Cosentyx affects hunger signals. However, it is important to speak with a healthcare provider about any concerns or potential side effects related to this medication.

Sources:
[1] https://www.drugpatentwatch.com/p/biologics/tradename/COSENTYX
[2] https://www.cosentyx.com/safety-and-side-effects
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5935619/