LACTIC ACIDOSIS AND SEVERE HEPATOMEGALY WITH STEATOSIS, INCLUDING FATAL CASES, HAVE BEEN REPORTED WITH THE USE OF NUCLEOSIDE ANALOGUES ALONE OR IN COMBINATION, INCLUDING LAMIVUDINE AND OTHER ANTIRETROVIRALS (SEE WARNINGS).
HUMAN IMMUNODEFICIENCY VIRUS (HIV) COUNSELING AND TESTING SHOULD BE OFFERED TO ALL PATIENTS BEFORE BEGINNING EPIVIR-HBV AND PERIODICALLY DURING TREATMENT (SEE WARNINGS), BECAUSE EPIVIR-HBV TABLETS AND ORAL SOLUTION CONTAIN A LOWER DOSE OF THE SAME ACTIVE INGREDIENT (LAMIVUDINE) AS EPIVIR ® TABLETS AND ORAL SOLUTION USED TO TREAT HIV INFECTION. IF TREATMENT WITH EPIVIR-HBV IS PRESCRIBED FOR CHRONIC HEPATITIS B FOR A PATIENT WITH UNRECOGNIZED OR UNTREATED HIV INFECTION, RAPID EMERGENCE OF HIV RESISTANCE IS LIKELY BECAUSE OF SUBTHERAPEUTIC DOSE AND INAPPROPRIATE MONOTHERAPY.
SEVERE ACUTE EXACERBATIONS OF HEPATITIS B HAVE BEEN REPORTED IN PATIENTS WHO HAVE DISCONTINUED ANTI-HEPATITIS B THERAPY (INCLUDING EPIVIR-HBV). HEPATIC FUNCTION SHOULD BE MONITORED CLOSELY WITH BOTH CLINICAL AND LABORATORY FOLLOW-UP FOR AT LEAST SEVERAL MONTHS IN PATIENTS WHO DISCONTINUE ANTI-HEPATITIS B THERAPY. IF APPROPRIATE, INITIATION OF ANTI-HEPATITIS B THERAPY MAY BE WARRANTED (SEE WARNINGS).
EPIVIR-HBV is a brand name for lamivudine, a synthetic nucleoside analogue with activity against hepatitis B virus (HBV) and HIV. Lamivudine was initially developed for the treatment of HIV infection as EPIVIR®. Please see the complete prescribing information for EPIVIR Tablets and Oral Solution for additional information. The chemical name of lamivudine is (2R,cis)-4-amino-1-(2-hydroxymethyl-1,3-oxathiolan-5-yl)-(1H)-pyrimidin-2-one. Lamivudine is the (-)enantiomer of a dideoxy analogue of cytidine. Lamivudine has also been referred to as (-)2',3'-dideoxy, 3'-thiacytidine.
EPIVIR-HBV is indicated for the treatment of chronic hepatitis B associated with evidence of hepatitis B viral replication and active liver inflammation.
Media Articles Related to Epivir-HBV (Lamivudine)
Chronic HBV Infection May Be Cured By Novel Therapeutic Approaches
Source: Liver Disease / Hepatitis News From Medical News Today [2013.04.27]
Exciting new data presented at the International Liver Congress™ 2013 include results from early in vitro and in vivo studies targeting covalently closed circular DNA (cccDNA), which may form the basis of a cure for chronic hepatitis B virus (HBV) infection. HBV cccDNA is organized into mini-chromosomes within the nucleus of infected cells by histone and non-histone proteins...
Published Studies Related to Epivir-HBV (Lamivudine)
Randomised clinical trial: efficacy of peginterferon alfa-2a in HBeAg positive chronic hepatitis B patients with lamivudine resistance. [2011.08]
BACKGROUND: Previous studies suggested that a finite course of peginterferon alfa-2a may offer an alternative rescue therapy for patients with lamivudine resistance. However, because of the limitation of study design and small sample size, it is difficult to make definitive conclusion. AIM: To explore the role of peginterferon alfa-2a, in the rescue treatment of HBeAg-positive chronic hepatitis B patients with lamivudine resistance... CONCLUSIONS: Overall, the response to peginterferon alfa-2a among patients with lamivudine resistance was suboptimal. HBeAg seroconversion rate at week 72 by 48 weeks peginterferon alfa-2a treatment was higher than continuous adefovir therapy. Monitoring HBsAg levels can help to predict response to peginterferon alfa-2a. (c) 2011 Blackwell Publishing Ltd.
Virological suppression does not prevent the development of hepatocellular carcinoma in HBeAg-negative chronic hepatitis B patients with cirrhosis receiving oral antiviral(s) starting with lamivudine monotherapy: results of the nationwide HEPNET. Greece cohort study. [2011.08]
OBJECTIVE: To evaluate the risk and predictors of hepatocellular carcinoma (HCC) in HBeAg-negative chronic hepatitis B patients of the large HEPNET.Greece cohort study who received long-term oral antivirals starting with lamivudine monotherapy... CONCLUSIONS: Long-term therapy with nucleos(t)ide analogue(s) starting with lamivudine monotherapy does not eliminate HCC risk in HBeAg-negative chronic hepatitis B. The risk of HCC is particularly high in patients with cirrhosis, who should remain under HCC surveillance even during effective therapy. Older age and male gender remain independent risk factors for HCC, while virological on-therapy remission does not seem to significantly reduce the overall incidence of HCC.
Peripheral and central fat changes in subjects randomized to abacavir-lamivudine or tenofovir-emtricitabine with atazanavir-ritonavir or efavirenz: ACTG Study A5224s. [2011.07.15]
BACKGROUND: We compare the effect of 4 different antiretroviral regimens on limb and visceral fat... CONCLUSIONS: ABC-3TC- and TDF-FTC-based regimens increased limb and visceral fat at week 96, with a similar prevalence of lipoatrophy. Compared to the EFV group, subjects assigned to ATV-r had a trend towards higher mean percentage increase in VAT. CLINICAL TRIALS REGISTRATION: NCT00118898.
Bone mineral density and fractures in antiretroviral-naive persons randomized to receive abacavir-lamivudine or tenofovir disoproxil fumarate-emtricitabine along with efavirenz or atazanavir-ritonavir: Aids Clinical Trials Group A5224s, a substudy of ACTG A5202. [2011.06.15]
BACKGROUND: Long-term effects of abacavir (ABC)-lamivudine (3TC), compared with tenofovir (TDF)-emtricitabine (FTC) with efavirenz (EFV) or atazanavir plus ritonavir (ATV/r), on bone mineral density (BMD) have not been analyzed... CONCLUSIONS: Compared with ABC-3TC, TDF-FTC-treated participants had significantly greater decreases in spine and hip BMD, whereas ATV/r led to more significant losses in spine, but not hip, BMD than EFV. Clinical Trials Registration. NCT00118898.
Recommendation of lamivudine-to-entecavir switching treatment in chronic hepatitis B responders: Randomized controlled trial. [2011.06]
Aim: In the 2007-2008 guidelines of the study group (Ministry of Health, Labor and Welfare of Japan), lamivudine (LAM)-continuous treatment was recommended in patients treated with LAM for more than 3 years who maintained hepatitis B virus (HBV) DNA less than 2.6 log copies/mL, because in these patients LAM resistance might exist and switching treatment to entecavir (ETV) might cause ETV resistance...
Clinical Trials Related to Epivir-HBV (Lamivudine)
Effectiveness and Safety of Epivir/Ziagen/Zerit (3TC/ABC/d4T) Versus Epivir/Ziagen/Sustiva (3TC/ABC/EFV) Versus Epivir/Ziagen/Agenerase/Norvir (3TC/ABC/APV/RTV) in HIV Patients Who Have Never Received Treatment [Active, not recruiting]
The purpose of this study is to see how effective and safe it is to give 1 of the 3 following
treatments to patients who may not have received anti-HIV treatment: 1) lamivudine
(3TC)/abacavir (ABC)/stavudine (d4T); 2) 3TC/ABC/efavirenz (EFV); or 3) 3TC/ABC/amprenavir
Trial of Maraviroc (UK-427,857) in Combination With Zidovudine/Lamivudine Versus Efavirenz in Combination With Zidovudine/Lamivudine [Active, not recruiting]
Maraviroc (UK-427,857), a selective and reversible CCR5 coreceptor antagonist, has been shown
to be active in vitro against a wide range of clinical isolates (including those resistant to
existing classes). In HIV-1 infected patients, maraviroc (UK-427,857) given as monotherapy
for 10 days reduced HIV-1 viral load by up to 1. 6 log, consistent with currently available
agents. Safety and toleration have been studied in over 400 subjects for up to 28 days at
300 mg twice daily. No significant effects were seen on the QTc interval. The goal of this
study is to compare the safety and efficacy of maraviroc (UK-427,857) versus efavirenz, when
each are combined with two other antiretroviral agents, in patients who are previously naive
to antiretroviral therapy. This study will involve approximately 200 centers from around the
world to achieve a total randomized subject population of 1071 subjects. Patients will be
randomly assigned to one of three groups: maraviroc (UK-427,857) 300 mg once daily added to
zidovudine/lamivudine (300 mg/150 mg twice daily), Maraviroc (UK-427,857) 300 mg twice daily
added to zidovudine/lamivudine (300 mg/150 mg twice daily) or efavirenz (600 mg once daily)
added to zidovudine/lamivudine (300 mg/150 mg twice daily). The study will enroll over
approximately an 18 month period (5 months Phase 2b run-in, 13 months Phase 3) with 96 weeks
of treatment. This may be extended for an additional 3 years depending on the results at 96
weeks. Physical examinations will be performed at study entry, weeks 4, 8, 12, 16, 20, 24,
32, 40, 48, 60, 72, 84 and 96. Blood samples will also be taken at study entry, weeks 2, 4,
8, 12, 16, 20, 24, 32, 40, 48, 60, 72, 84 and 96. Additionally, blood samples will be drawn
twice, at least 30 minutes apart, at weeks 2 and 48 for maraviroc (UK-427,857)
pharmacokinetic analysis. As part of this clinical study a blood sample will be taken for
non-anonymized pharmacogenetic analysis. Patients will undergo a 12-lead electrocardiogram
at study entry, weeks 24, 48 and 96. A computerized tomography (CT) scan will also be
performed, at selected centers, at study entry and week 96. Patients will be asked to
complete a symptom distress questionnaire at study entry, weeks 12, 24, 48 and 96.
Induction/Simplification With Atazanavir + Ritonavir + Abacavir/Lamivudine Fixed-Dose Combination In HIV-1 Infection [Active, not recruiting]
This study was designed to test the efficacy, safety, tolerability and durability of the
antiviral response between atazanavir (ATV) + ritonavir (RTV) + abacavir/lamivudine(ABC/3TC)
each administered once daily (QD) for 36 weeks followed by randomization to either a
simplification regimen of ATV or continuation of ATV+RTV for an additional 48 weeks, each in
combination with ABC/3TC in antiretroviral (ART)-naive, HIV-1 infected, HLA-B*5701 negative
Virologic and Immunologic Activity of Continued Lamivudine (3TC) Vs Delavirdine (DLV) in Combination With Indinavir (IDV) and Zidovudine (ZDV) or Stavudine (d4T) in 3TC-Experienced Subjects [Completed]
To compare the proportion of patients in the 2 zidovudine (ZDV)-containing arms who have a
plasma HIV RNA concentration below the limit of detection (defined as 500 copies/ml or less)
at Weeks 20 and 24 [AS PER AMENDMENT 8/24/98: HIV RNA concentration below the limit of
detection is now defined as 200 copies/ml or less]. To compare the safety and tolerability of
the different treatment regimens. To compare the decrease in plasma HIV-1 RNA and the change
in CD4 count from baseline to the average of Weeks 20 and 24 [AS PER AMENDMENT 12/19/97: and
to the average of Weeks 44 and 48; AS PER AMENDMENT 8/24/98: and the average of Weeks 88 and
96] in the 2 ZDV-containing arms. To study the emergence of resistance to ZDV, lamivudine
(3TC), stavudine (d4T), delavirdine (DLV), and indinavir (IDV) in treated patients. To
correlate the antiviral and immunologic activity and emergence of drug resistance with
pharmacologic parameters of study drugs. To delineate the pharmacokinetic interactions of IDV
and DLV. [AS PER AMENDMENT 12/19/97: To delineate the possible development of cellular
resistance to nucleoside analogs and the consequences of switching nucleoside study drugs on
intracellular phosphorylation.] To document rates and patterns of adherence over the course
of the study, from day of randomization through 48 weeks. [AS PER AMENDMENT 8/24/98: To
define long-term durability of the virologic activity of the different treatment regimens, as
defined by the proportion of patients with plasma HIV-1 RNA levels that remains below the
limit of detection. To define long-term tolerability of the different treatment regimens.]
Although a change in reverse transcriptase (RT) inhibitors is recommended when adding or
changing protease inhibitors in a treatment regimen, the choice of available RT inhibitors is
often limited by prior exposure, toxicity, or pharmacologic interaction with the protease
inhibitors. This study addresses the question of whether to continue 3TC or substitute the
nonnucleoside reverse transcriptase inhibitor (NNRTI) DLV when adding IDV to therapy for
patients previously treated with ddI or d4T plus 3TC who have greater than 500 copies/ml of
plasma HIV-1 RNA. Although the activity of DLV as monotherapy or in combination with
nucleoside reverse transcriptase inhibitors is of limited duration due to rapid emergence of
resistance, it is possible that DLV will contribute significantly to the activity of 3-drug
regimens that include a new RT inhibitor plus a protease inhibitor.
Switch to Tenofovir Versus Continue Lamivudine/Adefovir Treatment in Lamivudine-resistance Chronic Hepatitis B Patients [Recruiting]
1. Adefovir add-on therapy is superior to switching to adefovir monotherapy or entecavir
1mg monotherapy for chronic hepatitis B (CHB) patients with lamivudine resistance
2. Long-term adefovir add-on therapy was effective for viral suppression. However, the
economic burden for such dual antiviral therapy is heavy because of infinite treatment.
3. Tenofovir disoproxil fumarate (TDF) is a potent antiviral agent. TDF demonstrated
potent antiviral efficacy in a subset of lamivudine experienced HBeAg-positive
patients. TDF is also superior to ADV in HBeAg-negative and HBeAg-positive
4. Theoretically, TDF can replace LAM/ADV when viral suppression has been achieved by
LAM/ADV combination treatment in LAM-R CHB patients.
Page last updated: 2013-04-27