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1.
IJU Case Rep ; 7(2): 185-187, 2024 Mar.
Article in English | MEDLINE | ID: mdl-38440709

ABSTRACT

Introduction: Contracted bladder is a rare adverse effect of intravesical Bacillus Calmette-Guérin instillation, with an incidence of 0.2-3.3%. This report aimed to present a case of contracted bladder successfully treated with a low-dose oral steroid. Case presentation: A 78-year-old man underwent a third transurethral resection of a bladder tumor. The pathological diagnosis was urothelial carcinoma in situ. After the fifth instillation of the second-line induction therapy of Bacillus Calmette-Guérin, the patient discontinued treatment because of increased urinary frequency and a continuous mean voiding volume of 80 mL. The patient was diagnosed with a contracted bladder based on computed tomography findings and a urination chart. After initiating oral prednisolone (20 mg/day), the patient experienced significant recovery within 2 weeks for both urinary frequency and mean voiding volume of 226 mL. Conclusion: A patient with a contracted bladder after Bacillus Calmette-Guérin instillation was successfully treated with low-dose oral steroid therapy.

2.
Cancer Biol Ther ; 25(1): 2312602, 2024 12 31.
Article in English | MEDLINE | ID: mdl-38327067

ABSTRACT

OBJECTIVE: Axitinib is an oral multi-target tyrosine kinase inhibitor used for the treatment of renal cell carcinoma (RCC). Because of the severe adverse events (AEs) associated with axitinib, patients often need dose reductions or discontinue its use, highlighting the need for effective biomarkers to assess efficacy and/or AEs. The aim of this study was to investigate the relationship between single nucleotide polymorphisms (SNPs) in genes involved in the pharmacodynamic action of axitinib and clinical prognosis and AEs in metastatic RCC (mRCC) patients. METHODS: This study included 80 mRCC patients treated with first-, second-, or third-line axitinib (5 mg orally twice daily). Clinical parameters and genetic polymorphisms were examined in 75 cases (53 males and 22 females). We assessed three SNPs in each of three candidate genes namely, angiotensin-converting enzyme (ACE), nitric oxide synthase 3 (NOS3), and angiotensin II receptor type 1 (AT1R), all of which are involved in axitinib effects on vascular endothelial function. RESULTS: Axitinib-treated patients carrying the ACE deletion allele suffered more frequently from hand-foot syndrome and a deterioration in kidney function (p = .045 and p = 0.005, respectively) whereas those carrying the NOS3 G allele suffered more frequently from proteinuria and multiple AEs (p = .025 and p = 0.036, respectively). CONCLUSIONS: Our study found that the ACE deletion allele and the NOS3 G allele are associated with increased AEs.


Subject(s)
Antineoplastic Agents , Carcinoma, Renal Cell , Kidney Neoplasms , Humans , Male , Female , Axitinib/adverse effects , Carcinoma, Renal Cell/drug therapy , Carcinoma, Renal Cell/genetics , Kidney Neoplasms/drug therapy , Kidney Neoplasms/genetics , Kidney Neoplasms/pathology , Indazoles/adverse effects , Polymorphism, Single Nucleotide , Antineoplastic Agents/therapeutic use
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