|1||NCT00571558||Terminated||Photodynamic Therapy Using Aminolevulinic Acid in Treating Patients With Oral Leukoplakia||
||15||All||18 Years and older (Adult, Older Adult)||NCT00571558||NCI-2009-00842
|March 2008||June 2010||November 2010||December 12, 2007||October 9, 2014||
|Photodynamic Therapy With Porfimer Sodium in Treating Patients With Precancerous Lesions, Cancer, or Other Disease of the Aerodigestive Tract||
||45||All||18 Years to 120 Years (Adult, Older Adult)||NCT00453336||20020618
|June 2003||August 2009||May 2010||March 28, 2007||February 8, 2017||October 18, 2013||
† Study has passed its completion date and status has not been verified in more than two years.