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Treatment of actinic keratoses with 5% topical imiquimod: a multicenter prospective observational study from 93 Austrian office-based dermatologists.

AbstractBACKGROUND:
While randomized, controlled trials have generated information about the safety and efficacy of imiquimod 5% cream in the treatment of actinic keratosis, still very little is known about the challenges and pitfalls of this therapy in the daily clinical routine.
OBJECTIVE:
To mirror the full picture of the actinic keratosis imiquimod routine therapy, ie, patient profile, in-therapy decisions, tolerability, and satisfaction.
METHODS:
The present observational, multicenter study included 463 patients from the offices of 93 non-hospital based Austrian dermatologists. Inclusion was solely based on the treatment decision of the dermatologist and the patient's will to participate. There were no specific interventions except suggested time points of visits with pre-defined documentation forms.
RESULTS:
The typical actinic keratosis patient was a male, aged 74 years, with a disease history of 5.7±5.3 years, who presented with 8.4±8.0 multiple pre-treated lesions at the face. More than 95% of the patients developed therapeutic skin responses (dominated by erythema and crusting), which led to a significant reduction of lesions from baseline to the end of the therapy. Notably, one-third of those patients prone to a second therapeutic course were submitted to another form of treatment. Post-imiquimod therapy comprised of antibiotic creams, topical steroids, and numerous emollients. Patients and dermatologists reported high satisfaction with the therapy including the cosmetic outcome.
CONCLUSION:
Our data show the high need for experience at the dermatologist side and information at the patient side. Moreover, the method of treatment for imiquimod-related skin reactions definitively asks for standardization. The study was registered at ClinicalTrials.gov (NCT01151956). Decision by ClinicalTrials.gov: Federal University Teaching Hospital, Feldkirch, Austria Protocol Record OBIMQ465-AK-08, Imiquimod and actinic keratoses: an observational study.
AuthorsRobert Strohal, Helmut Kerl, Lydia Schuster
JournalJournal of drugs in dermatology : JDD (J Drugs Dermatol) Vol. 11 Issue 5 Pg. 574-8 (May 2012) ISSN: 1545-9616 [Print] United States
PMID22527424 (Publication Type: Journal Article, Multicenter Study, Research Support, Non-U.S. Gov't)
Chemical References
  • Adjuvants, Immunologic
  • Aminoquinolines
  • imiquimod
Topics
  • Adjuvants, Immunologic (administration & dosage, therapeutic use)
  • Administration, Cutaneous
  • Aged
  • Aged, 80 and over
  • Aminoquinolines (administration & dosage, therapeutic use)
  • Austria
  • Dermatology (methods, standards)
  • Female
  • Humans
  • Keratosis, Actinic (drug therapy, pathology)
  • Male
  • Middle Aged
  • Patient Education as Topic (methods)
  • Patient Satisfaction
  • Time Factors
  • Treatment Outcome

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