What Can One Do For Persistent GERD And Throat Fullness Despite Using PPIs?

Dear doctor My husband Mr. JOSE suffering from GERD. He has taken many PPIs as advised by doctors. but not getting better. Now he has the complaints of fullness in throat for quite long time.. Endo scopy done some time back. That time small hiatus hernia noticed but doctor said no need for surgical interference. Wht is your opinion doctor. Which medicine you can suggest as a trial. Ezomeprazole mag. With domperidoce acceptable. Kindly advice