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Is this mechanism of action?

Here is the context with my draft btranslation

Esiseulonnassa selvitetään, onko kasvainsoluissanne poikkeavuuksia tai muutoksia, jotka olisivat aktiivisia tutkimuksessa mukana oleville lääkemekanismeille.

The pre-screening assessment involves an examination of whether there are any aberrations or changes in your tumour cells that would affect the drug’s mechanism of action in those taking part in the study.

Many thanks in advance