Abstract
Pemetrexed (Alimta®) is a novel anti-folate antimetabolite agent that is used in combination with cisplatin for the treatment of patients with unresectable malignant pleural mesothelioma and as a single agent or in combination with cisplatin for patients with locally advanced or metastatic non-small-cell-lung-cancer. Cutaneous adverse reactions are common side effects of pemetrexed for which the manufacturer recommends 3-day premedication with dexamethasone 4 mg by mouth twice daily—(the day before, the day of, and the day after treatment). Patients’ adherence to this premedication regimen is of concern. We report 14 cases of metastatic non-small-cell-lung-cancer patients who were premedicated with a single dose of dexamethasone 20 mg prior to pemetrexed or pemetrexed-based chemotherapy. None of these patients reported a grade 3 or above skin reactions over the course of their treatments. These findings suggest that a single dose of dexamethasone 20 mg may be an alternative premedication regimen in patients with metastatic non small cell lung cancer receiving pemetrexed or pemetrexed-based chemotherapy.
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