Safety and Tolerance of Adefovir Dipivoxil in Chinese Healthy Volunteers: A PhaseⅠRandomized and Open-Label Trial

Aim To assess the safety and tolerance of adefovir dipivoxil （ADV） in Chinese healthy volunteers. Methods A total of 52 healthy volunteers, 26 males and 26 females, aged from 19 to 26 were enrolled in the study. Forty-two subjects were randomized into 5, 10, 20, 40, and 60 mg dose groups （6 - 10 subjects in each） matched by sex and weight for single-dose trial. Ten subjects were orally given 10 mg of ADV tablets once daily for 7 d for multiple-dose trial. Physical examination, vital signs examination, electrocardiography, type-B ultrasonography, chest fluoroscopy, routine blood test, routine urine test, coagulation tests, and blood biochemical test were conducted on schedule and statistically evaluated. Results Asthenia frequently occurred in multiple-dose trial, nausea, abdominal pain, and diarrhea occurred in both single- and multiple-dose trials. ALT, bilirubin, CK, and LDH were slightly elevated. All adverse reactions and laboratory abnormalities were mild, and the frequency and severity were not related to doses. Conclusion ADV is safe and well tolerated in Chinese healthy volunteers at dose of 5 - 60 mg oncedaily or 10 nag once daily for 7 d. The recommended oral dosage regimen is 10 mg once daily. Attention should be paid to renal and liver functions, CK, AMY and LDH, if we take ADV for a long period of time.

Resistant mutants induced by adefovir dipivoxil in hepatitis B virus isolates

AIM: To investigate the loci of adefovir dipivoxil (ADV)-induced resistance in hepatitis B virus (HBV) isolates and optimize the management of ADV-treated patients.

Combination Therapy with Pegylated Interferon alpha-2b and Adefovir Dipivoxil in HBeAg-positive Chronic Hepatitis B versus Interferon Alone: A Prospective, Randomized Study

Currently available monotherapies of oral nucleoside/nucleotide analogs or interferon are unable to achieve a sustained and effective response in most of patients with chronic hepatitis B（CHB）. The objective of the present study was to compare the efficacy and safety of pegylated interferon（Peg-IFN） alpha-2b plus adefovir dipivoxil combination therapy versus Peg-IFN alpha-2b alone. Sixty-one HBeAg-positive chronic hepatitis B patients were randomized to receive Peg-IFN alpha-2b alone（1.5 μg/kg once weekly） or Peg-IFN alpha-2b plus adefovir（10 mg daily） for up to 52 weeks. Efficacy and safety analyses were performed on all participants who received at least one dose of study medication. The rate of HBeAg seroconversion and undetectable HBV-DNA were evaluated after 52 weeks of therapy. At the end of treatment, 11 of 30（36.7%） patients receiving combination therapy achieved HBeAg seroconversion versus 8 of 31（25.8%） in the monotherapy group（P=0.36）. In contrast, the percentage of patients with undetectable serum HBV DNA was significantly higher in the combination group than in the monotherapy group（76.7% vs. 29.0%, P〈0.001）. Thyroid dysfunction was more frequent in the combination group than in the monotherapy group（P〈0.05）. In HBeAg-positive CHB, combination of Peg-IFN alpha-2b and adefovir for 52 weeks resulted, at the end of treatment, in a higher virological response but without significant impact on the rate of HBeAg seroconversion and possibly an adverse effect on thyroid function.

Short-term overlap lamivudine treatment with adefovir dipivoxil in patients with lamivudine-resistant chronic hepatitis B

AIM： To evaluate the efficacy of short-term overlap lamivudine therapy with adefovir in patients with lamivudine-resistant and naive chronic hepatitis B, we compared patients receiving overlap therapy with those receiving adefovir alone. METHODS： Eighty patients who had received lamivudine treatment for various periods and had a lamivudineo resistant liver function abnormality were enrolled. Forty of these patients received adefovir treatment combined with lamivudine treatment for ≥ 2 mo, while the other 40 received adefovir alone. We assessed the levels of hepatitis B virus （HBV） DNA at 0, 12 and 48 wk and serum alanine aminotransferase （ALT） levels after 0, 12, 24 and 48 wk of adefovir treatment in each group. RESULTS： We found serum ALT became normalized in 72 （87.5%） of the 80 patients, and HBV DNA decreased by ≥ 2 Ioglo copies/mL in 60 （75%） of the 80 patients at the end of a 48-wk treatment. HBV DNA levels were not significantly different between the groups. The improvements in serum ALT were also not significantly different between the two groups. CONCLUSION： These findings suggest short-term overlap lamivudine treatment results in no better virological and biological outcomes than non-overlap adefovir monotherapy.

Relationship Between Serum DNA Replication, Clinicopathological Characteristics and Prognosis of Hepatitis B Virus-associated Glomerulonephritis with Severe Proteinuria by Lamivudine Plus Adefovir Dipivoxil Combination Therapy

Objective To explore the relationship between HBV DNA and the clinical manifestations, pathological types, injury severity, and prognosis with HBV-GN. Methods 102 patients with HBV-GN were divided into 3 groups, according to the serum titer of the HBV DNA. 24-h urine protein excretion, and other parameters were measured. Renal biopsy were performed. The association between HBV DNA and the pathological stage of membranous nephropathy was analyzed in 78 patients with HBV-MN. 24-h urine protein excretion was used for the evaluation of the prognosis, and the relationship between HBV DNA and prognosis were analyzed. Results Several findings were demonstrated with the increase of serum HBV DNA： 24-h urine protein excretion, plasma cholesterol, and triglycerides increased significantly（P〈0.05）, while the plasma level of albumin decreased significantly（P〈0.05）; The changes of serum creatinine, C3 and C4 were found but no statistical significance. Glomerular deposition of HBVAg increased, and the pathological injury was more severe. The clinical remission rate was lower in the high replication group after treatment as compared with the low replication group（P〈0.01）. Conclusion With the increase of serum HBV DNA, the urine protein excretion and the kidney injury were more severe, and the clinical remission rate was decreased.

De novo combination therapy with lamivudine and adefovir dipivoxil in chronic hepatitis B patients

AIM:To investigate the appropriate time for combination therapy in HBeAg positive chronic hepatitis B(CHB) patients with decompensated cirrhosis.METHODS:Thirty HBeAg positive CHB patients with decompensated cirrhosis were enrolled in the study.All of the patients were given 48 wk combination therapy with lamivudine(LAM) and adefovir dipivoxil(ADV) .Briefly,10 patients were given the de novo combination therapy with LAM and ADV,whereas the other 20 patients received ADV in addition to LAM after hepatitis B virus(HBV) genetic mutation.RESULTS:Serum alanine aminotransferase and total bilirubin were both improved in the two groups at 4,12,24 and 48 wk after treatment.Serum albumin was also improved at 24 and 48 wk after combination therapy in both groups.The serum HBV DNA level wasstill detectable in every patient in the two groups at 4 and 12 wk after combination treatment.However,in the de novo combination group,serum HBV DNA levels in 4(40%) and 9(90%) patients was decreased to below 1×10 3 copies/mL at 24 and 48 wk after the combination treatment,respectively.In parallel,serum HBV DNA levels in 2(20%) and 8(40%) patients in the add-on combination group became undetectable at 24 and 48 wk after combination treatment,respectively.Furthermore,6(60%) patients in the de novo combination group achieved HBeAg seroconversion after 48 wk treatment,whereas only 4(20%) patients in the add-on combination group achieved seroconversion.Child-Pugh score of patients in the de novo combination group was better than that of patients in the add-on combination group after 48 wk treatment.Moreover,patients in the de novo combination group had a significantly decreased serum creatinine level and elevated red blood cell counts.CONCLUSION:De novo combination therapy with LAM and ADV was better than add-on combination therapy in terms of Child-Pugh score,virus inhibition and renal function.

Adefovir dipivoxil for the treatment of lamivudine-resistant hepatitis B mutants

BACKGROUND: The recurrence of chronic hepatitis B after liver transplantation results in increased risk for graft failure and death of patients. Lamivudine has been shown to be effective in the treatment of chronic hepatitis B, but resistance to this agent is common after prolonged administration. METHODS: One patient with chronic hepatitis B virus (HBV) infection developed resistance to lamivudine after 15 months of treatment. The resistance was confirmed by mutation in the HBV DNA polymerase gene. The patient was treated subsequently with adefovir dipivoxil for 7 months. RESULT: HBV DNA and HBsAg were tested negative, but HBeAb and HBsAb were positive. CONCLUSION: This study provides an evidence that adefovir dipivoxil can be effective in the treatment of lamivudine-resistant HBV mutants.

Solid lipid nanoparticles loading adefovir dipivoxil for antiviral therapy

Herein,solid lipid nanoparticles(SLN)were proposed as a new drug delivery system for adefovir dipivoxil(ADV). The octadecylamine-fluorescein isothiocynate(ODA-FITC)was synthesized and used as a fluorescence maker to be incorporated into SLN to investigate the time-dependent cellular uptake of SLN by HepG2.2.15.The SLN of monostearin with ODA-FITC or ADV were prepared by solvent diffusion method in an aqueous system.About 15 wt%drug entrapment efficiency(EE)and 3 wt% drug loading(DL)could be reached in SLN loading ADV.Comparing with free ADV,the inhibitory effects of ADV loaded in SLN on hepatitis B surface antigen(HBsAg),hepatitis B e antigen(HBeAg)and hepatitis B virus(HBV)DNA levels in vitro were significantly enhanced.

De novo combined lamivudine and adefovir dipivoxil therapy vs entecavir monotherapy for hepatitis B virus-related decompensated cirrhosis

AIM:To compare efficacy of combined lamivudine(LAM)and adefovir dipivoxil(ADV)therapy with that of entecavir(ETV)monotherapy for hepatitis B virus(HBV)-related decompensated liver cirrhosis.METHODS:A total of 120 na ve patients with HBVrelated decompensated cirrhosis participated in this study.Sixty patients were treated with combined LAM and ADV therapy(LAM+ADV group),while the other60 were treated with ETV monotherapy(ETV group)for two years.Tests for liver and kidney function,alpha-fetoprotein,HBV serum markers,HBV DNA load,prothrombin time(PT),and ultrasonography or computed tomography scan of the liver were performed every1 to 3 mo.Repeated measure ANOVA and theχ2test were performed to compare the efficacy,side effects,and the cumulative survival rates at 48 and 96 wk.RESULTS:Forty-five patients in each group were observed for 96 wk.No significant differences in HBV DNA negative rates and alanine aminotransferase(ALT)normalization rates at weeks 48(χ2=2.12 and 2.88)and96(χ2=3.21 and 3.24)between the two groups were observed.Hepatitis B e antigen seroconversion rate in the LAM+ADV group at week 96 was significantly higher in the ETV group(43.5%vs 36.4%,χ2=4.09,P<0.05).Viral breakthrough occurred in 2 cases(4.4%)by week 48 and in 3 cases(6.7%)by week 96 in the LAM+ADV group,and no viral mutation was detected.In the ETV group,viral breakthrough occurred in 1 case(2.2%)at the end of week 96.An increase in albumin(F=18.9 and 17.3),decrease in total bilirubin and in ALT(F=16.5,17.1 and 23.7,24.8),reduced PT(F=22.7 and 24.5),and improved Child-Turcotte-Pugh and the model for end-stage liver disease scores(F=18.5,17.8,and 24.2,23.8)were observed in both groups.The cumulative rates of mortality and liver transplantation were 16.7%(10/60)and 18.3%(11/60)in the LAM+ADV and ETV groups,respectively.CONCLUSION:Both LAM+ADV combination therapy and ETV monotherapy can effectively inhibit HBV replication,improve liver function,and decrease mortality.

Early kidney injury during long-term adefovir dipivoxil therapy for chronic hepatitis B

AIM: To evaluate urine β2-microglobulin(β2-M), retinol-binding protein(RBP) excretion, and renal impairment with adefovir dipivoxil(ADV) for chronic hepatitis B. METHODS: We enrolled 165 patients with chronic hepatitis B infection who were treated with ADV monotherapy(n = 90) or ADV plus lamivudine combination therapy(n = 75). An additional 165 chronic hepatitis B patients treated with entecavir were recruited as controls. We detected serum creatinine, urine β2-M, and RBP levels, and estimated the glomerular filtration rate(e GFR) at the initiation of antiviral therapy and every 6 mo for a period of five years. RESULTS: Urine β2-M abnormalities were observed in patients during the first(n = 3), second(n = 7), third(n = 11), fourth(n = 16), and fifth(n = 21) year of ADV treatment. Urinary RBP abnormalities were observed in patients during the first(n = 2), second(n = 8), third(n = 12), fourth(n = 15), and fifth(n = 22) year of ADV treatment. e GFR decreased 20%-30% from baseline in 20 patients, 30%-50% in 12 patients, and > 50% in 3 patients during the five years of treatment. Further analysis indicated that decreases in e GFR of ≥ 30% relative to the baseline level correlated significantly with urine RBP and β2-M abnormalities. In contrast, both serum creatinine and e GFR remained stable in patients treated with entecavir, and only one of these patients developed a urine β2-M abnormality, and two developed urine RBP abnormalities during the five years of treatment. CONCLUSION: Urine RBP and β2-M are biomarkers of renal injury during long-term ADV treatment for chronic hepatitis B, and indicate when treatment should be switched to entecavir.

Surgical treatment of HCC in a patient with lamivudine-resistant hepatitis B cirrhosis with adefovir dipivoxil

We describe a 77-year-old woman with chronic hepatitis B who became resistant to lamivudine.She was started on adefovir(10 mg daily)while still continuing lamivudine therapy.Four mo later her liver function improved and serum Hepatitis B virus(HBV)-DNA level became undetectable.Three years after the start of additional adefovir treatment,hepatocellular carcinoma (HCC)was detected and the patient underwent a successful hepa-tectomy.Our findings suggest tha-t the addition of adefovir to ongoing lamivudine therapy cannot completely suppress hepatocarcinogenesis,but is useful for improving liver function in patients with lamivudine-resistant HBV-related cirrhosis,allowing HCC surgery.

Development of osteomalacia in a post-liver transplant patient receiving adefovir dipivoxil

We report the case of a patient treated with living donor-related liver transplantation who suffered from osteomalacia during adefovir dipivoxil (ADV)-containing antiviral therapy for lamivudine-resistant hepatitis B virus infection. The patient had generalized bone pain,with severe hypophosphatemia after 20 mo of ADV therapy. Radiographic studies demonstrated the presence of osteomalacia. The peak plasma ADV level was 38 ng/mL after administration of ADV at 10mg/day. It was also found that ADV affected the metabolism of tacrolimus,a calcineurin-inhibitor,and caused an increase in the plasma levels of tacrolimus. The disability was reversed with the withdrawal of ADV and with mineral supplementation. ADV can cause an elevation of plasma tacrolimus levels,which may be associated with renal dysfunction. High levels of ADV and tacrolimus can cause nephrotoxicity and osteomalacia. This case highlights the importance of considering a diagnosis of osteomalacia in liver transplantation recipients treated with both ADV and tacrolimus.

Kinetics of serum HBsAg in Chinese patients with chronic HBV infection with long-term adefovir dipivoxil treatment

Background Knowledge on Hepatitis B surface antigen （HBsAg） kinetics in chronic hepatitis B （CHB） patients with longterm adefovir dipivoxil （ADV） treatment is limited.The aims of this study were to investigate HBsAg kinetics in patients with chronic hepatitis B virus （HBV） infection treated with long-term ADV and to evaluate different characteristics between patients with and without HBsAg loss.Methods We retrospectively evaluated HBsAg kinetics in 24 Chinese patients with chronic HBV infection who achieved continuous virologic suppression during ADV therapy.HBV genotype was determined at baseline.Liver biochemistry,hepatitis B e antigen status,serum HBV DNA,and HBsAg levels were measured at baseline,6 months,and once every year thereafter.Results Of these 24 patients,3,1,and 20 patients were followed up for 3,5,and 6 years,respectively.Baseline serum HBsAg level had a moderate correlation with baseline HBV DNA level （r=0.52,P=0.01）.The median rate of HBsAg reduction during the therapy period was 0.08 Ig IU·ml-1·y-1.Baseline serum HBsAg level was significantly higher than other time points （P ranges from 0.046 to 0.002）.The HBsAg reduction rate during the first year was similar to that in other years （P〉0.05）.The HBsAg reduction rate during the first year in patients with eventual HBsAg loss was significantly faster than that in patients without HBsAg loss （P=0.005）.Conclusions Serum HBsAg levels in Chinese CHB patients receiving long-term ADV demonstrated a gradual reduction.Patients with eventual HBsAg loss had a significantly faster HBsAg reduction rate during the first year than those without HBsAg loss.

Efficacy observation of Yiguanjian decoction combined adefovir Dipivoxil tablet in treating HBeAg negative chronic viral hepatitis B active compensated liver cirrhosis patients

Objective To explore clinical efficacy of Yiguanjian Decoction(YD)combined Adefovir Dipivoxil Tablet(ADT)in treating HBe Ag negative chronic viral hepatitis B(CVHB)active compensated liver cirrhosis(LC)patients.Methods Totally 68 HBe Ag negative CVHB active compensated LC patients initially treated were assigned to the treatment group and the control group

鳖甲煎丸联合阿德福韦酯治疗乙型肝炎肝硬化患者的效果

目的:观察鳖甲煎丸联合阿德福韦酯治疗乙型肝炎肝硬化患者的效果。方法:选取2020年5月至2023年5月该院收治的86例乙型肝炎肝硬化患者进行前瞻性研究,按照随机数字表法将其分为研究组和对照组各43例。对照组采用阿德福韦酯治疗,研究组在对照组基础上联合鳖甲煎丸治疗,比较两组临床疗效,治疗前后中医证候积分、肝功能指标[总胆红素(TBIL)、丙氨酸氨基转移酶(ALT)、天门冬氨酸氨基转移酶(AST)]水平、肝纤维化指标[IV型胶原蛋白(C-IV)、层粘连蛋白(LN)、透明质酸(HA)]水平、T细胞亚群指标水平,以及不良反应发生率。结果:研究组治疗总有效率为95.35%(41/43),高于对照组的79.07%(34/43),差异有统计学意义(P<0.05);治疗后,两组腹大胀满、纳少神疲、胁腹攻痛等中医证候积分均低于治疗前,且研究组低于对照组,差异有统计学意义(P<0.05);两组TBIL、ALT、AST水平均低于治疗前,且研究组低于对照组,差异有统计学意义(P<0.05);两组C-IV、LN、HA水平均低于治疗前,且研究组低于对照组,差异有统计学意义(P<0.05);两组CD3^(+)、CD4^(+)水平均高于治疗前,且研究组高于对照组,两组+CD8水平均低于治疗前,且研究组低于对照组,差异有统计学意义(P<0.05);两组不良反应发生率比较,差异无统计学意义(P>0.05)。结论:鳖甲煎丸联合阿德福韦酯治疗乙型肝炎肝硬化患者可提高治疗总有效率,改善T细胞亚群指标水平,降低中医证候积分、肝功能指标水平和肝纤维化指标水平,其效果优于单纯阿德福韦酯治疗。

阿德福韦酯片的制备研究

目的:优化阿德福韦酯片的处方。方法:采用均匀设计法,以填充剂比为因素A,崩解剂为因素B,润滑剂为因素C,以溶出度相似因子作为考察指标。结果:最优化的条件为填充剂比(乳糖、预胶化淀粉比为2.6),崩解剂(5.2%交联聚维酮),润滑剂(0.5%硬脂酸钙),3批验证试验的f_(2)均大于50,与参比制剂溶出行为相似,平均累积溶出度90%以上。结论:该处方设计合理,易于操作,体外溶出度良好。

Predictors of kidney tubular dysfunction induced by adefovir treatment for chronic hepatitis B

AIM:To investigate the predictors of proximal kidney tubular dysfunction(PKTD)induced by adefovir dipivoxil(ADV)treatment for chronic hepatitis B.METHODS:Seventy-nine patients(age at the evaluation of PKTD:56.9±10.7 years)with chronic hepatitis B undergoing long-term oral antiviral nucleos(t)ide analogue treatment were consecutively recruited.PKTD was defined by the presence of at least two of the following five abnormalities:phosphate diabetes,nondiabetic glucosuria,metabolic acidosis,β2-microglobulinuria,or renal hypouricemia.The single-nucleotide polymorphisms(SNPs)in the SLC22A6 gene encoding human organic anion transporter 1(h OAT1)and ABCC2 encoding multidrug resistance protein 2(MRP2)were analyzed using the Taq Man Allelic Discrimination Demonstration Kit.RESULTS:Nine(30.0%)of the 30 ADV-treated patients were diagnosed with PKTD,while no patients without ADV developed PKTD(P<0.001).Three patients with ADV were diagnosed with symptomatic osteomalacia.Among the patients who took ADV,those with PKTD were of higher age at initiation,had significantly longer treatment duration,and had a significantly lower body mass index than those without PKTD.The incidence of PKTD dramatically increased after 96 mo from the start of ADV administration.In contrast,the SNPs were not correlated with PKTD.Logistic regression analysis extracted older age at initiation(OR=5.0,95%CI:1.1-23.4;P=0.040)and longer treatment duration(OR=3.2,95%CI:1.2-8.6;P=0.020)as significant factors associated with PKTD.CONCLUSION:Our results suggest that the tubular function of the kidney of older patients undergoing longterm ADV treatment should be carefully evaluated.

Impact of Lamivudine plus Adefovir therapy in chronic hepatitis B Iranian patients, resistant to Lamivudine treatment alone, on disease inhibition: A pilot study

AIM: To evaluate the impact of combination therapy with Lamivudine and Adefovir for treatment of chronic hepatitis B in Lamivudine-resistant patients. METHODS: Among the 110 adult chronic hepatitis B Iranian patients whom were treated with Lamivudine, for 36 months, nineteen patients (17%) with no any biochemical and viral responses to Lamivudine alone, were selected and enrolled in the study. Due to resistancy, Adefovir was added to Lamivudine, and continued for 30 months. We measured HBV_DNA viral load and serum AST, ALT in 0, 12, 24, 30 and 0, 6, 12, 18, 24, 30 months, respectively. RESULTS: Between biochemical and viral characteristics, Repeated Measure analysis identified just biochemical markers— Aspartate Aminotransferase level (AST) (P = 0.002) and Alanine Aminotransferase level (ALT) (P = 0.007) —as predictors of response to treatment, while, viral marker—HBV DNA load—was not statistically significant (P = 0.128). CONCLUSIONS: Treatment for a long time, such as 21.5 ± 8.8 months, with Lami- vudine and Adefovir, can cause liver enzymes including AST and ALT, decreasing and being normal. But, this finding is not indicative, for HBV-DNA viral load.

阿德福韦酯联合鳖甲煎丸治疗慢性乙型肝炎合并肝硬化临床疗效及对患者血清炎症因子MMP-2 Ang-Ⅱ水平的影响

目的探讨阿德福韦酯联合鳖甲煎丸治疗慢性乙型肝炎合并肝硬化的临床疗效及对患者血清炎症因子、基质金属蛋白酶-2、血管紧张素-Ⅱ水平的影响。方法将72例慢性乙型肝炎合并肝硬化患者按照治疗方法不同分为研究组与对照组,各36例。两组均接受常规治疗,在此基础上对照组给予阿德福韦酯治疗,研究组给予阿德福韦酯联合鳖甲煎丸治疗,观察2个月。比较治疗前后两组肝功能(丙氨酸转移酶、白蛋白、总胆红素、凝血酶原活动度)、炎症因子(白细胞介素-1β、肿瘤坏死因子-α)、基质金属蛋白酶-2及血管紧张素-Ⅱ水平。结果(1)临床疗效:研究组总有效率为97.22%,对照组为77.78%,研究组显著高于对照组(P<0.05)。(2)肝功能:治疗后两组丙氨酸转移酶、总胆红素水平均较治疗前显著降低(P<0.01),研究组显著低于对照组(P<0.01);治疗后两组血白蛋白、凝血酶原活动度水平均较治疗前显著升高(P<0.05或0.01),研究组显著高于对照组(P<0.01)。(3)炎症因子:治疗后两组白细胞介素-1β、肿瘤坏死因子-α水平均较治疗前显著降低(P<0.01),研究组显著低于对照组(P<0.01)。(4)基质金属蛋白酶-2、血管紧张素-Ⅱ:治疗后两组基质金属蛋白酶-2、血管紧张素-Ⅱ水平均较治疗前显著降低(P<0.01),研究组显著低于对照组(P<0.01)。结论阿德福韦酯联合鳖甲煎丸治疗慢性乙型肝炎合并肝硬化临床疗效较好,优于单用阿德福韦酯治疗,其作用机制可能与降低炎症因子、基质金属蛋白酶-2、血管紧张素-Ⅱ水平有关,有利于缓解肝纤维化进程,促进患者肝功能恢复。

阿德福韦酯治疗拉米夫定耐药慢性乙肝患者的临床效果分析

目的探讨阿德福韦酯治疗拉米夫定耐药慢性乙肝患者的临床效果。方法回顾性选取2016年8月—2020年6月期间在厦门市第三医院传染科接受治疗的拉米夫定耐药慢性乙肝患者103例的临床资料,以随机数表法分组。对照组50例患者接受阿德福韦酯治疗,观察组53例患者接受阿德福韦酯+拉米夫定治疗。对比治疗后患者治疗效果、不同时间点乙肝病毒脱氧核糖核酸(HBV-DNA)水平及转阴率、谷丙转氨酶(ALT)水平、复常率以及用药期间不良反应发生情况。结果治疗后,观察组有效率为96.23%,高于对照组的70.00%,差异有统计学意义(χ^(2)=12.841,P<0.05)。治疗3个月、6个月、9个月、1年后,观察组HBV-DNA水平更低于对照组,差异有统计学意义(P<0.05)。治疗3个月、6个月、1年后,观察组HBV-DNA转阴率更高于对照组,差异有统计学意义(P<0.05)。治疗3个月、6个月、9个月、1年后,观察组ALT水平更低于对照组,差异有统计学意义(P<0.05)。治疗1年后,两组ALT复常率对比,观察组更高,差异有统计学意义(P<0.05)。两组不良反应发生率对比,差异无统计学意义(P>0.05)。结论耐药慢性乙肝患者接受阿德福韦酯治疗取得了显著治疗效果,患者的HBV-DNA水平降低,ALT水平也显著降低,转阴率增高,ALT复常率显著增高,且联合用药并未增加治疗期间不良反应发生率。