Complex sentence: The antidepressant Mirtazapine has also proven effective in the treatment of gastroparesis unresponsive to conventional treatment due to its anti-emetic and appetite stimulant properties.
Split into simpler sentences: The antidepressant Mirtazapine has also proven effective in the treatment of gastroparesis unresponsive to conventional treatment. This is due to its anti-emetic and appetite stimulant properties.