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1.
Clin Mol Hepatol ; 21(1): 24-31, 2015 Mar.
Article in English | MEDLINE | ID: mdl-25834799

ABSTRACT

BACKGROUND/AIMS: The optimal management of patients exhibiting a partial virologic response (PVR) to entecavir (ETV) has not been determined. The aim of this study was to determine the long-term efficacy of prolonged ETV monotherapy in treatment-naïve chronic hepatitis B (CHB) patients exhibiting a PVR to ETV therapy. METHODS: This study included 364 treatment-naïve CHB patients treated with ETV for ≥48 weeks and who received continuous ETV monotherapy for ≥96 weeks. PVR was defined as a decrease in serum hepatitis B virus (HBV) DNA of more than 2 log(10) IU/mL from baseline but with detectable HBV DNA by real-time PCR assay at week 48. RESULTS: Fifty-two of the 364 patients (14.3%) showed a PVR. Among them, 41 patients received continuous ETV monotherapy for ≥96 weeks (median duration 144 weeks, range 96-312 weeks), and 40 of these patients (95%) achieved a virologic response (VR, HBV DNA <20 IU/mL) during prolonged ETV monotherapy (median duration 78 weeks, range 60-288 weeks). The cumulative probabilities of a VR at weeks 96, 144, and 192 from treatment initiation were 78.0%, 92.7%, and 95.1%, respectively. The VR rate was 97.2% (35/36) in HBeAg-positive patients and 100% (5/5) in HBeAg-negative patients. In multivariate analysis, HBeAg positivity (odds ratio [OR], 9.231; 95% confidence interval [CI], 1.03-82.91; P=0.047) and a high baseline HBV DNA level (OR, 0.170; 95% CI, 0.08-0.37; P=0.000) were independently associated with a delayed virologic response. No patient developed genotypic resistance to ETV during follow-up. CONCLUSIONS: Long-term ETV monotherapy is effective for achieving a VR in treatment-naïve CHB patients exhibiting a PVR to ETV. HBeAg positivity and high baseline HBV DNA level were independently associated with a delayed virologic response.


Subject(s)
Antiviral Agents/therapeutic use , Guanine/analogs & derivatives , Hepatitis B, Chronic/drug therapy , Adult , Aged , DNA, Viral/blood , Drug Administration Schedule , Female , Genotype , Guanine/therapeutic use , Hepatitis B e Antigens/blood , Hepatitis B virus/genetics , Hepatitis B, Chronic/pathology , Hepatitis B, Chronic/virology , Humans , Liver Cirrhosis/diagnostic imaging , Liver Cirrhosis/etiology , Magnetic Resonance Imaging , Male , Middle Aged , Multivariate Analysis , Odds Ratio , Real-Time Polymerase Chain Reaction , Retrospective Studies , Tomography, X-Ray Computed , Treatment Outcome , Ultrasonography
2.
Korean J Gastroenterol ; 63(3): 176-82, 2014 Mar 25.
Article in Korean | MEDLINE | ID: mdl-24651591

ABSTRACT

Sclerosing mesenteritis (SM) is a rare disease characterized by chronic nonspecific mesenteric inflammation and fibrosis of unknown etiology. Some tumefactive SM shows diffuse accumulation of IgG4-positive plasma cells and is considered as a part of the spectrum of IgG4-related disease. An association between inflammatory bowel disease and IgG4-related disease has been indicated. A 45-year-old woman visited our hospital due to weight loss with intermittent lower abdominal discomfort. Pelvic ultrasound revealed a mass-like lesion in the abdominal wall and pelvis MRI demonstrated a 5.9 cm sized wall-enhancing mass with heterogeneous signal intensity from right adnexa to the abdominal wall. Tumor resection and adhesiolysis was done because of severe adhesion with the small bowel, colon, bladder, uterus, and abdominal wall. Appendectomy was also performed due to adhesion and edematous change. Histological examination of the resected mass showed findings that were compatible with IgG4-related SM. The resected appendix showed chronic granulomatous inflammation without evidence of tuberculosis. She was diagnosed with Crohn's disease after undergoing colonoscopy and CT enterography. Herein, we report a rare case of IgG4-related SM that occurred in conjunction with Crohn's disease.


Subject(s)
Crohn Disease/diagnosis , Immunoglobulin G/blood , Panniculitis, Peritoneal/diagnosis , Anti-Inflammatory Agents/therapeutic use , Appendix/pathology , Azathioprine/therapeutic use , Colonoscopy , Crohn Disease/complications , Crohn Disease/drug therapy , Female , Humans , Magnetic Resonance Imaging , Mesalamine/therapeutic use , Middle Aged , Panniculitis, Peritoneal/diagnostic imaging , Panniculitis, Peritoneal/etiology , Prednisolone/therapeutic use , Tomography, X-Ray Computed , Ultrasonography , Urinary Bladder/pathology
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