1.	Treatment of Actinic Keratoses of the Face With Imiquimod 3.75% Cream Followed by Photodynamic Therapy Phase: Phase IV Type: Prevention, Treatment Status: Active Age: 18 and over Sponsor: Other Protocol IDs: 09US05N375-Gold, NCT01203878
2.	Imiquimod 3.75% Cream in Combination With Cryotherapy in the Treatment of Hypertrophic Actinic Keratoses Phase: Phase IV Type: Prevention, Treatment Status: Active Age: 18 and over Sponsor: Pharmaceutical / Industry Protocol IDs: 10-0933, NCT01229319
3.	Long Term Efficacy and Safety of Eryfotona AK-NMSC® in Patients With Actinic Keratosis Phase: Phase IV Type: Prevention, Treatment Status: Active Age: 18 and over Sponsor: Pharmaceutical / Industry Protocol IDs: ISD-FPT-01-2012, NCT01656226
4.	Prevention of UV-induced Infections and Carcinogenic Skin Alterations in Immunosuppressed Outpatients After Solid Organ Transplantations Phase: Phase III Type: Prevention Status: Active Age: 40 and over Sponsor: Pharmaceutical / Industry Protocol IDs: SP 488/2009, NCT01532453
5.	Computer-Based Continuing Education for Doctors in Examination and Counseling of Patients on Skin Cancer or Weight Control Phase: No phase specified Type: Educational/Counseling/Training, Prevention Status: Active Age: Adult Sponsor: NCI Protocol IDs: RIH-1050258954A1, RIH-0348-03, NCT00295906
6.	The Effect of Green Tea and Vitamin C on Skin Health Phase: No phase specified Type: Biomarker/Laboratory analysis, Prevention Status: Active Age: 18 to 65 Sponsor: Other Protocol IDs: BB/G005575/1, UKCRN 6911, NCT01032031
7.	Pilot Trial to Evaluate the Effect of Vitamin D on Melanocyte Biomarkers Phase: No phase specified Type: Biomarker/Laboratory analysis, Prevention Status: Approved-not yet active Age: 18 to 75 Sponsor: NCI, Other Protocol IDs: SKIN0010, SU-10272011-8570, NCT01477463
8.	Sun Protection of Kidney Transplant Recipients Phase: No phase specified Type: Prevention Status: Approved-not yet active Age: 18 to 85 Sponsor: Other Protocol IDs: STU00058220, NCT01646099