Ackroyd et al. 13 randomized 36 patients with BE and low grade dysplasias. 18 received photodynamic therapy with 5-ALA with inhibition of reflux using omeprazole while 18 were treated only with omeprazole.
Ackroyd y colaboradores 13 aleatorizaron a 36 pacientes con EB y displasia de bajo grado: 18 recibieron terapia fotodinámica con 5-ALA asociado a inhibición de reflujo con omeprazol y 18 solo mantuvieron tratamiento con omeprazol.