Table 2. List of marketed and FDA/EMA approved antipsychotic drugs that have shown anti-glioma effects. Remarkably, all 16 block D2 signaling in the brain, albeit with different affinities. All are phenothiazines except for those marked *. Partial D2 antagonist-agonists marked with #. It has not been proven that it is in fact D2 antagonism that is responsible for anti-glioma effect of these drugs.