Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0038362 (stomatitis)
 8,852 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

There is a variety of adverse effects and toxicities of newer and older chemotherapeutic agents which emerge in the skin, mucosa and adnexa. Common skin reactions while undergoing chemotherapy include alopecia, changes in skin pigmentation, palmoplantar erythrodysesthesia, nail dystrophies and stomatitis. Extravasation injuries or hypersensitivity reactions may be severe. New oncologic agents have led to the development of different, class-specific cutaneous side effects. Epidermal growth factor receptor (EGFR) inhibitors induce papulopustular rashes in a high percentage of patients as well as, to a smaller degree, xerosis cutis, hair and nail changes, hyper pigmentation and enhancement of radiation dermatitis. Multikinase inhibitors will often cause hand-foot syndrome, but may also induce facial erythema, subungual splinter hemorrhages and other less frequent skin changes. BRAF inhibitors can lead to rash and development of cutaneous keratinocytic neoplasias for which patients should be closely monitored. Finally, MEK/ERK inhibitors induce similar skin toxicities to EGFR inhibitors such as papulopustular rashes, xerosis cutis and paronychia. Our chapter will focus on the clinical picture, histopathology and treatment options of these new class-specific cutaneous side effects.
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PMID:Cutaneous drug eruptions associated with the use of new oncological drugs. 2261 63

Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) such as gefitinib, erlotinib, and afatinib are standard-of-care for first-line treatment of EGFR-mutant advanced non-small cell lung cancer (NSCLC). These drugs have a proven benefit in terms of higher response rate, delaying progression and improvement of quality of life over palliative platinum-based chemotherapy. The most common adverse events (AEs) are gastrointestinal (GI) (diarrhoea and stomatitis/mucositis) and cutaneous (rash, dry skin and paronychia). These are usually mild, but if they become moderate or severe, they can have a negative impact on the patient's quality of life (QOL) and lead to dose modifications or drug discontinuation. Appropriate management of AEs, including prophylactic measures, supportive medications, treatment delays and dose reductions, is essential. A consensus meeting of a UK-based multidisciplinary panel composed of medical and clinical oncologists with a special interest in lung cancer, dermatologists, gastroenterologists, lung cancer nurse specialists and oncology pharmacists was held to develop guidelines on prevention and management of cutaneous (rash, dry skin and paronychia) and GI (diarrhoea, stomatitis and mucositis) AEs associated with the administration of EGFR-TKIs. These guidelines detail supportive measures, treatment delays and dose reductions for EGFR-TKIs. Although the focus of the guidelines is to support healthcare professionals in UK clinical practice, it is anticipated that the management strategies proposed will also be applicable in non-UK settings.
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PMID:Expert Consensus on the Management of Adverse Events from EGFR Tyrosine Kinase Inhibitors in the UK. 2618 73