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Brief Title: Photodynamic Therapy for Oral Precursor Lesions
Official Title: A Randomized Controlled Trial: Photodynamic Treatment for the Therapy of Premalignant Mucosal Oral Lesions.
Study ID: NCT01497951
Brief Summary: Pre-malignant lesions are difficult to treat. Even after surgical removal they tend to re-appear. Often the lesions are to large and are apparent on many sites, therefore surgical removal is not always possible. The photodynamic therapy uses a special substance, which is absorbed in cells, and thereafter activated by a defined light. The aim of this study is to compare the photodynamic therapy in potentially malignant lesions to a placebo. The investigators assume a significant better result in photodynamic therapy then treatment with a placebo.
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Bernhard Gottlieb University Clinic of Dentistry, Vienna, , Austria
Name: Gabriella Dvorak, PD, DMD, MD
Affiliation: Medical University Vienna
Role: STUDY_DIRECTOR