• Roberta Grande, Filomena Narducci, Sara Bianchetti, Giovanni Mansueto, Donatello Gemma, Isabella Sperduti, Giorgio Trombetta, Franco Angelini, and Teresa Gamucci.
• Medical Oncology Unit, ASL Frosinone, Frosinone, Italy. robertagrande@virgilio.it
• Support Care Cancer. 2013 Jun 1; 21 (6): 1691-5.

BackgroundAnti-epidermal growth factor receptor (EGFR) target therapies like erlotinib for metastatic lung cancer and cetuximab or panitumumab for metastatic colorectal cancer (mCRC) cause skin reaction that seems to be related to treatment efficacy. Skin toxicity evaluation protocol with panitumumab study has shown that preemptive treatment reduces the incidence of ≥Grade 2 (G2) skin toxicity in mCRC treated with panitumumab. Aim of this study is to evaluate if preemptive skin toxicity treatment with different drugs has good efficacy in patients receiving anti-EGFR therapies, such as cetuximab, panitumumab, and erlotinib, for mCRC and metastatic lung cancer.MethodsTreatment included skin moisturizers with sunscreen and lymecycline 300 mg/daily. Primary objective is to reduce the incidence of ≥G2 skin toxicity during the first 3 months of therapy. Toxicities are reported with confidence interval at 95%. Quality of life was assessed with Dermatology Life Quality Index every 2 weeks and evaluated with repeated measure ANOVA.ResultsFifty-one patients with mCRC (60.8%) and metastatic lung cancer (39.2%) were enrolled. Anticancer drugs were erlotinib/cetuximab/panitumumab 20:30:1. At 3-month evaluation, 27.4% patients had =G2 skin toxicity. Skin toxicity was not related with age (p = 0.67), sex (p = 0.65), previous chemotherapy regimens (p = 0.41), and current anti-EGFR treatment (p = 0.22). No gastrointestinal or hematological toxicities related to lymecycline were observed. Only six patients required further drugs. Quality of life analysis did not show a significant difference from the beginning and the end of treatment.ConclusionsData show efficacy of preemptive treatment with a well-tolerated profile. A reduction of severe skin toxicities is shown with an increase of grade 1 toxicities, not leading to anti-EGFR dose reduction and with better quality of life for patients.

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