Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Follow-up Evaluation of Photo-Dynamic Therapy for Pituitary Tumours
Brief Summary: A study to followup patients that have previously been treated for pituitary tumours with either photodynamic therapy or placebo in a previous trial. The study aims to determine whether photodynamic therapy has any long term effect on tumour size, visual fields or endocrinological function.