title: Topical treatment of actinic keratoses with potassium dobesilate 5% cream. a preliminary open-label study.
abstract: BACKGROUND
  Fibroblast growth factor (FGF) is involved in skin tumorigenesis: it promotes cell viability, induces angiogenesis and stimulates invasiveness. Dobesilate is a drug that blocks the activity of FGF. The primary objective was to evaluate the efficacy and tolerability of potassium dobesilate 5% cream in the treatment of actinic keratoses.
  
  
  METHODS
  Potassium dobesilate 5% cream was applied twice daily for 16 weeks to actinic keratosis lesions in 30 patients. The lesions were evaluated clinically at an initial baseline visit, at intermediate visits, and at 16 weeks of treatment. -
  
  
  RESULTS
  The use of potassium dobesilate 5% cream for 16 weeks induced complete regression in 70% of evaluated actinic keratoses, corresponding to grade I, II and III clinical variants, and a partial response (at least 75% reduction of lesions) in 20% of the cases.
  
  
  CONCLUSIONS
  Our preliminary trial shows that potassium dobesilate exerts anti-tumorigenic effects and may play a useful role in the chemoprevention of skin cancers.
authors.affiliation: Servicio de Histologia, IRYCIS, Hospital Ramon y Cajal, Ctra. de Colmenar km. 9.100, 28034-Madrid, Spain. pedro.cuevas@hrc.es
authors.forename: Pedro
authors.initials: P
authors.lastname: Cuevas Sánchez
authors.forename: W
authors.initials: W
authors.lastname: Espinoza
authors.forename: C
authors.initials: C
authors.lastname: Pérez
authors.forename: J
authors.initials: J
authors.lastname: Angulo
authors.forename: G
authors.initials: G
authors.lastname: Giménez-Gallego
mesh_terms: D000279:Administration, Cutaneous; D000368:Aged; D000369:Aged, 80 and over; D016588:Anticarcinogenic Agents / Q000627:therapeutic use*; D001557:Benzenesulfonates / Q000627:therapeutic use; D003879:Dermatologic Agents / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D055623:Keratosis, Actinic / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D012878:Skin Neoplasms / Q000188:drug therapy*; D013472:Sunlight; D016896:Treatment Outcome
chemical_list: D016588:Anticarcinogenic Agents; D001557:Benzenesulfonates; D003879:Dermatologic Agents; C557994:potassium dobesilate