Displaying all 4 publications

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  1. Hassan Y, Awaisu A, Aziz NA, Ismail O
    Pharm World Sci, 2005 Feb;27(1):16-9.
    PMID: 15861930
    Phenytoin has been reported to have major interactions with warfarin. Phenytoin induces warfarin's metabolism. However, there are many case reports which provide conflicting conclusions. Here, we report a case of a 65-year-old man with mechanical heart valve on chronic warfarin therapy who experienced persistent fluctuations of INR and bleeding secondary to probable warfarin-phenytoin interactions. The patient's anticoagulation clinic visits prior to hospitalization were thoroughly evaluated and we continued to follow-up the case for 3 months post-hospitalization. The reported interaction could be reasonably explained from the chronology of events and the pattern of INR fluctuations whenever phenytoin was either added or discontinued from his drug regimen.
    Matched MeSH terms: Phenytoin/adverse effects*
  2. Loh KY, Kew ST
    Aust Fam Physician, 2007 Sep;36(9):755.
    PMID: 17885711
    This middle aged Malaysian man presented complaining of painful gums for a few months. He is known to have had epilepsy since childhood.
    Keywords: quiz; gum hypertrophy
    Matched MeSH terms: Phenytoin/adverse effects
  3. Chung WH, Chang WC, Lee YS, Wu YY, Yang CH, Ho HC, et al.
    JAMA, 2014 Aug 6;312(5):525-34.
    PMID: 25096692 DOI: 10.1001/jama.2014.7859
    The antiepileptic drug phenytoin can cause cutaneous adverse reactions, ranging from maculopapular exanthema to severe cutaneous adverse reactions, which include drug reactions with eosinophilia and systemic symptoms, Stevens-Johnson syndrome, and toxic epidermal necrolysis. The pharmacogenomic basis of phenytoin-related severe cutaneous adverse reactions remains unknown.
    Matched MeSH terms: Phenytoin/adverse effects*
  4. Chang CC, Ng CC, Too CL, Choon SE, Lee CK, Chung WH, et al.
    Pharmacogenomics J, 2017 03;17(2):170-173.
    PMID: 26927288 DOI: 10.1038/tpj.2016.10
    Phenytoin (PHT) is a common cause of severe cutaneous adverse reactions (SCARs), including Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN) and drug reaction with eosinophilia and systemic symptoms (DRESS). Although HLA-B*15:02 is associated with PHT-induced SJS/TEN (PHT-SJS/TEN) in Han Chinese and Thais, the genetic basis for susceptibility to PHT-induced SCARs (PHT-SCAR) in other populations remains unclear. We performed a case-control association study by genotyping the human leukocyte antigen (HLA)-B alleles of 16 Malay PHT-SCAR patients (13 SJS/TEN and 3 DRESS), 32 PHT-tolerant controls and 300 healthy ethnicity-matched controls. A novel genetic biomarker, HLA-B*15:13, showed significant association with PHT-SJS/TEN (53.8%, 7/13 cases) (odds ratio (OR) 11.28, P=0.003) and PHT-DRESS (100%, 3/3 cases) (OR 59.00, P=0.003) when compared with PHT-tolerant controls (9.4%, 3/32 controls). We also confirmed HLA-B*15:02 association with PHT-SJS/TEN (61.5%, 8/13 cases vs 21.9%, 7/32 controls; OR 5.71, P=0.016) when compared with PHT-tolerant controls. These alleles may serve as markers to predict PHT-SCAR in Malays.
    Matched MeSH terms: Phenytoin/adverse effects*
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