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[Entecavir 1.0mg monotherapy or entecavir plus adefovir dipivoxil for patients with lamivudine-resistant chronic hepatitis B had suboptimal response to lamivudine plus adefovir dipivoxil].

Abstract

OBJECTIVE

To evaluate the efficacy of entecavir (ETV) 1.0 mg/d or ETV plus adefovir dipivoxil (ADV) in adults with chronic hepatitis B virus (HBV) infection who had previously resisted lamivudine (LAM) and failed with rescue treatment of LAM + ADV.

METHODS

40 patients were enrolled. 14 patients were treated with ETV 1.0 mg/d monotherapy while 26 patients were treated with ETV 1.0 mg/d + ADV 10 mg/d. The HBV DNA level, liver function, HBV serology and renal function were observed.

RESULTS

There was no statistically significant difference with baseline situation between group ETV 1.0 mg and group ETV + ADV. HBV DNA level in group ETV 1.0 mg was (5.768 ± 0.709) log10 copies/ml on baseline, and it declined to (4.712 ± 0.846) log10 copies/ml, (3.914 ± 0.996) log10 copies/ml, (3.702 ± 0.934) log10 copies/ml, (3.879 ± 0.913) log10 copies/ml and (3.855 ± 1.070) log10 copies/ml at 4, 8, 12, 24 and 48 weeks. HBV DNA level in group ETV + ADV was (5.703 ± 0.845) log10 copies/ml on baseline, and it declined to (4.476 ± 0.905) log10 copies/ml, (3.590 ± 0.884) log10 copies/ml, (2.987 ± 0.673) log10 copies/ml and (2.933 ± 0.535) log10 copies/ml at 4, 8, 12 and 24 weeks. At 24 weeks, there were 28.6% patients achieved HBV DNA < 500 copies/ml in group ETV 1.0 mg, but there were 80.8% patients in group ETV + ADV achieved this level. Statistically significant difference existed between (x(2) = 8.469, P = 0.004 ). At 48 weeks, there were still 4 patients achieved HBV DNA < 500 copies/ml in group ETV 1.0 mg, but patients in group ETV + ADV all achieved it. At 24 weeks, ALT levels of 42.9% patients in group ETV 1.0 mg were back to normal, but there were 92.3% patients' ALT levels back to normal in group ETV + ADV. There was statistically significant difference (x(2) = 9.337, P = 0.002). At 48 weeks, ALT levels of 57.1% patients in group ETV 1.0 mg were back to normal, but all patients' ALT levels were back to normal in group ETV + ADV. At 48 weeks, there was 1 patient with HBeAg seroconversion in group ETV 1.0 mg while there were 4 patients in group ETV + ADV.

CONCLUSION

As rescue treatment for patients with chronic hepatitis B who had previously resisted LAM and failed with treatment of LAM + ADV, ETV + ADV was more efficient than ETV 1.0 mg monotherapy, and it can achieve better virological and biochemical response.

Authors+Show Affiliations

,

Department of Hepatology, Third Central Hospital of Tianjin Medical University, Tianjin Key Laboratory of Artificial Cells, Tianjin 300170, China.

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Source

MeSH

Adenine
Adult
Antiviral Agents
Drug Resistance, Viral
Drug Therapy, Combination
Female
Guanine
Hepatitis B, Chronic
Humans
Lamivudine
Male
Middle Aged
Organophosphonates
Treatment Outcome

Pub Type(s)

Controlled Clinical Trial
English Abstract
Journal Article
Research Support, Non-U.S. Gov't

Language

chi

PubMed ID

22433304

Citation

TY - JOUR T1 - [Entecavir 1.0mg monotherapy or entecavir plus adefovir dipivoxil for patients with lamivudine-resistant chronic hepatitis B had suboptimal response to lamivudine plus adefovir dipivoxil]. AU - Xing,Jing, AU - Han,Tao, AU - Liu,Lei, AU - Li,Ying, AU - Li,Jun, AU - Li,Yan, AU - Xiao,Shi-xiang, PY - 2012/3/22/entrez PY - 2012/3/22/pubmed PY - 2012/7/27/medline SP - 828 EP - 32 JF - Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology JO - Zhonghua Gan Zang Bing Za Zhi VL - 19 IS - 11 N2 - OBJECTIVE: To evaluate the efficacy of entecavir (ETV) 1.0 mg/d or ETV plus adefovir dipivoxil (ADV) in adults with chronic hepatitis B virus (HBV) infection who had previously resisted lamivudine (LAM) and failed with rescue treatment of LAM + ADV. METHODS: 40 patients were enrolled. 14 patients were treated with ETV 1.0 mg/d monotherapy while 26 patients were treated with ETV 1.0 mg/d + ADV 10 mg/d. The HBV DNA level, liver function, HBV serology and renal function were observed. RESULTS: There was no statistically significant difference with baseline situation between group ETV 1.0 mg and group ETV + ADV. HBV DNA level in group ETV 1.0 mg was (5.768 ± 0.709) log10 copies/ml on baseline, and it declined to (4.712 ± 0.846) log10 copies/ml, (3.914 ± 0.996) log10 copies/ml, (3.702 ± 0.934) log10 copies/ml, (3.879 ± 0.913) log10 copies/ml and (3.855 ± 1.070) log10 copies/ml at 4, 8, 12, 24 and 48 weeks. HBV DNA level in group ETV + ADV was (5.703 ± 0.845) log10 copies/ml on baseline, and it declined to (4.476 ± 0.905) log10 copies/ml, (3.590 ± 0.884) log10 copies/ml, (2.987 ± 0.673) log10 copies/ml and (2.933 ± 0.535) log10 copies/ml at 4, 8, 12 and 24 weeks. At 24 weeks, there were 28.6% patients achieved HBV DNA < 500 copies/ml in group ETV 1.0 mg, but there were 80.8% patients in group ETV + ADV achieved this level. Statistically significant difference existed between (x(2) = 8.469, P = 0.004 ). At 48 weeks, there were still 4 patients achieved HBV DNA < 500 copies/ml in group ETV 1.0 mg, but patients in group ETV + ADV all achieved it. At 24 weeks, ALT levels of 42.9% patients in group ETV 1.0 mg were back to normal, but there were 92.3% patients' ALT levels back to normal in group ETV + ADV. There was statistically significant difference (x(2) = 9.337, P = 0.002). At 48 weeks, ALT levels of 57.1% patients in group ETV 1.0 mg were back to normal, but all patients' ALT levels were back to normal in group ETV + ADV. At 48 weeks, there was 1 patient with HBeAg seroconversion in group ETV 1.0 mg while there were 4 patients in group ETV + ADV. CONCLUSION: As rescue treatment for patients with chronic hepatitis B who had previously resisted LAM and failed with treatment of LAM + ADV, ETV + ADV was more efficient than ETV 1.0 mg monotherapy, and it can achieve better virological and biochemical response. SN - 1007-3418 UR - https://www.unboundmedicine.com/medline/citation/22433304/[Entecavir_1_0mg_monotherapy_or_entecavir_plus_adefovir_dipivoxil_for_patients_with_lamivudine_resistant_chronic_hepatitis_B_had_suboptimal_response_to_lamivudine_plus_adefovir_dipivoxil]_ L2 - http://www.diseaseinfosearch.org/result/3332 ER -