||||||||||Enrollment closed, Trial primary completion date: Photodynamic Therapy (PDT) With Levulan and Blue Light for the Treatment of Actinic Cheilitis (clinicaltrials.gov) - May 16, 2017 P4, N=20, Active, not recruiting, Sponsor: Dartmouth-Hitchcock Medical Center Active, not recruiting --> Completed Not yet recruiting --> Active, not recruiting | Trial primary completion date: Apr 2017 --> Jul 2017