From your query I understand you are suffering from unipolar depression diagnosed by a professional and you are on these drugs. In this respect I think you should increase Escitalopram( Feliz S) to 10 mg and take clonazepam (Petril) separately for sleep1mg at night time. Continue the medication for further 4 weeks and consult back. These medications need to be taken for atleast an year. You can stop Quitiapine. Its important to regularly followup with your treating doctor as these drugs need dose adjustment.