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Data updated: May 26, 2026

EPIVIR (lamivudine)

Nucleoside Reverse Transcriptase Inhibitors
Infectious Disease Approved 1995-11-17

Epivir is an antiretroviral medication that treats human immunodeficiency virus type 1 (HIV-1) infection. It helps patients with HIV-1 when used in combination with other antiretroviral agents. While the drug belongs to a class of nucleoside analogues, this specific product is used for HIV-1 and is not intended for hepatitis B virus (HBV) at this dosage.

Source: FDA Label • VIIV HLTHCARE • Hepatitis B Virus Nucleoside Analog Reverse Transcriptase Inhibitor

How EPIVIR Works

Epivir works as a nucleoside analogue reverse transcriptase inhibitor. This antiretroviral agent interferes with viral replication to help control the HIV-1 infection.

8
Indications
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Phase 3 Trials
4
Priority Reviews
30
Years on Market

Details

Status
Prescription
First Approved
1995-11-17
Routes
ORAL
Dosage Forms
SOLUTION, TABLET

Companies

Active Ingredient: LAMIVUDINE

EPIVIR Approval History

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Original
New Indication
New Form
Label Update
101 FDA actions from 1995 to 2019 · 6 indication expansions
May 2019 SUPPL
Label · Labeling
Apr 2018 SUPPL
Label · Labeling
Sep 2017 SUPPL
Label · Labeling

What EPIVIR Treats

1 indications

EPIVIR is approved for 1 conditions since its original approval in 1995. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Human Immunodeficiency Virus Infection
Source: FDA Label

EPIVIR Boxed Warning

EXACERBATIONS OF HEPATITIS B and DIFFERENT FORMULATIONS OF EPIVIR Exacerbations of Hepatitis B Severe acute exacerbations of hepatitis B have been reported in patients who are co-infected with hepatitis B virus (HBV) and human immunodeficiency virus (HIV-1) and have discontinued EPIVIR. Hepatic function should be monitored closely with both clinical and laboratory follow-up for at least several months in patients who discontinue EPIVIR and are co-infected with HIV-1 and HBV. If appropriate, init...

EPIVIR Competitive Set

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

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Clinical Trial Registry

50 trials
Trial Sponsor ID Phase Status Title
NCT02369406 EIT U01AI114235 Ph 2, Ph 3 active not recruiting Early Infant HIV Treatment in Botswana
NCT06494579 STUDY-24-00614 Ph 1, Ph 2 active not recruiting Lamivudine for Solid Tumors
NCT04696575 I 691720 NCI-2020-13169, I 691720 Ph 2 recruiting Lamivudine in Combination With Chemoimmunotherapy for the Treatment of Extensive Stage Small Cell Lung Cancer
NCT05979311 VOGUE 219816 Ph 3 active not recruiting A Study to Evaluate the Efficacy, Safety, and Tolerability of Using an Oral Once-daily 2 Drug Regimen Compared to an Oral Once-daily 3 Drug Regimen for the Treatment of Human Immunodeficiency Virus (HIV)-1 in Adults Who Have Not Previously Taken Antiretroviral Therapy
NCT07058974 STUDY-24-01678 Ph 1 recruiting A Study of Exercise and Pharmacologic Intervention on Systemic Inflammation
NCT02470650 Cost-Effect-Clinic 2014-004820-24 Ph 4 withdrawn Cost-effectiveness of Different Antiretroviral Treatment in Patients HIV Naive
NCT03311945 results posted RALAM-Roll Over 2017-000986-60 Ph 3 completed Simplification Study of HIV-1 Infected Patients With Virological Suppression Under the Combination of Lamivudine (150 mg BID) Plus Raltegravir (400 mg BID) Switching to Lamivudine (300 mg QD) Plus Raltegravir (1200 mg QD) : Roll-over Study of the RALAM
NCT06428045 STARLITE 20231163 Ph 1 recruiting STARLITE for Unresectable High-Grade Gliomas
NCT03333083 RALAM-II 2017-000985-31 Ph 3 terminated Study With Dual Therapy Including Lamivudine (300 mg QD) Plus Raltegravir (1200 mg QD) in Virologically Suppressed HIV-1 Infected Patients Experiencing Inconvenience, Toxicity, Negative Impact on Co-morbidities or Risk of Drug-drug Interactions With Their Current Regimen
NCT06503796 KY-2023-12-85-1 Ph 4 not yet recruiting Antiviral Therapy in Infants With HBV Infection
NCT00799864 results posted CR002677 TMC278-TiDP38-C213, 2008-001696-30 Ph 2 completed A Study to Evaluate the Pharmacokinetics, Safety, Tolerability, and Antiviral Activity of Rilpivirine (TMC278) in Human Immunodeficiency Virus Infected Adolescents and Children Aged Greater Than or Equal to 6 Years
NCT03144804 results posted 17-044 Ph 2 completed A Phase 2 Study of Lamivudine in Patients With p53 Mutant Metastatic Colorectal Cancer
NCT01620944 results posted AI424-494 2011-006187-47 Ph 3 terminated Open-Label Study Comparing Efficacy and Safety of ATV/RTV+3TC With ATV/RTV+TDF/FTC in HIV-Infected, Treatment Naïve Subjects, Followed by Treatment With ATV/RTV+3TC
NCT03272347 results posted 8591-011 2017-000437-32 Ph 2 completed Islatravir (MK-8591) With Doravirine and Lamivudine in Participants Infected With Human Immunodeficiency Virus Type 1 (MK-8591-011)
NCT02712801 2015ZX10001001 Ph 4 completed Antiretroviral Regime for Viral Eradication in Newborns
NCT00672412 P1069 10620, IMPAACT P1069 Ph 1, Ph 2 completed Safety and Pharmacokinetic Study of Fixed Dose Combination of Zidovudine, Lamivudine, and Nevirapine in HIV-Infected Children in Thailand
NCT02369965 TALENT FB-ABWT-Ⅲ-301 ChiCTR-TRC-14004276 Ph 3 completed Test Albuvirtide in Experienced Patients
NCT01352715 SELECT results posted ACTG A5273 1U01AI068636, 5UM1AI068634 Ph 3 completed Study of Options for Second-Line Effective Combination Therapy (SELECT)
NCT02566707 PRADAII UMCN-AKF 14.08 Ph 2 terminated Pharmacokinetics of Atazanavir /Dolutegravir/Lamivudine Regimen as Maintenance Regimen
NCT02263079 results posted NV25361 2006-000977-31 Ph 3 completed A Study of Pegylated Interferon Alfa-2A in Combination With Lamivudine or Entecavir Compared With Untreated Control Group in Children With Hepatitis B Envelope Antigen (HBeAg)-Positive Chronic Hepatitis B (CHB) in the Immune-Tolerant Phase
NCT02431975 LEOPARD AAAO5011 U01HD080441 Ph 4 completed Latency and Early Neonatal Provision of Antiretroviral Drugs Clinical Trial
NCT02945163 2016-M-2 Ph 4 completed Dosing of Tenofovir and Efavirenz in Antiretroviral Therapy
NCT02935075 OAT 2016-M-1 Ph 4 completed Optimization of Antiretroviral Therapy
NCT02263326 ASPIRE results posted ASPIRE Ph 3 completed Dolutegravir Antiretroviral Strategy to Promote Improvement and Reduce Drug Exposure
NCT00993031 PROMOTE-PIs results posted H5741-34342 P01HD059454, 2009-141 Ph 3 completed Protease Inhibitors to Reduce Malaria Morbidity in HIV-Infected Pregnant Women
NCT02116660 RANIA results posted 0518-284 2013-001637-40, MK-0518-284 Ph 2 terminated Evaluation of Renal Function, Efficacy, and Safety When Switching From Tenofovir/Emtricitabine Plus a Protease Inhibitor/Ritonavir, to a Combination of Raltegravir (MK-0518) Plus Nevirapine Plus Lamivudine in HIV-1 Participants With Suppressed Viremia and Impaired Renal Function (MK-0518-284)
NCT03078556 results posted 204994 Ph 1 completed Bioequivalence Study of Fixed Dose Versus Single Entities of Dolutegravir and Lamivudine
NCT02770508 ANDES FH-15 Ph 4 completed Darunavir/Ritonavir + Lamivudine Versus Darunavir/Ritonavir +Emtricitabine/Tenofovir in Naïve HIV-1 Infected Subjects
NCT02582684 results posted ACTG A5353 2UM1AI068636 Ph 2 completed Dolutegravir Plus Lamivudine Dual Therapy in Treatment Naïve HIV-1 Patients
NCT01353742 114957 Ph 1 completed Lamivudine and Adefovir Dipivoxil Fixed Dose Combination
NCT01580202 AI463-246 Ph 3 completed Comparison of Prophylactic Antiviral Efficacy in Patients Undergoing Chemotherapy: Entecavir Versus Lamivudine
NCT02634073 results posted 204857 Ph 4 completed A Phase IV, Open Label, 4-period Cross-over Study to Investigate a Drug Interaction Between Lamivudine and Sorbitol Oral Solutions in Healthy Volunteers
NCT02159599 DUAL GESIDA 8014 2014-000515-14 Ph 4 completed Study to Evaluate Darunavir/Ritonavir + Lamivudine Versus Continuing With Darunavir/Ritonavir + Tenofovir/Emtricitabine or Abacavir/Lamivudine in HIV Infected Subject
NCT01627223 NUC115132 NUC115132 Ph 4 terminated Comparison Between Lamivudine and Entecavir Treatment in Spontaneous Severe Acute Exacerbation
NCT02894554 201310070MINA Ph 4 terminated Renal Function Improvement in HBsAg Positive Kidney Transplantation Patients Under Telbivudine Treatment.
NCT01489046 AI467-003 2011-003329-89 Ph 2 terminated Safety, Efficacy and Dose-response Study of BMS-986001 in Subjects With HIV-1 Infection Who Are Treatment-naive
NCT01528865 UMCC 2010 097 HUM 33361 Ph 1, Ph 2 withdrawn Safety & Efficacy of Lamivudine & Tenofovir to Lower Plasma Level of Viral RNA in Lymphoma
NCT00986778 AI463-195 Ph 4 withdrawn Entecavir Plus Adefovir in Lamivudine-Resistant Patients
NCT01005238 SASL28 SASL28 Ph 4 terminated Telbivudine Versus Lamivudine for Maintenance Therapy of Patients With Chronic Hepatitis B and Negative HBV Viral Load After 6 Month of Treatment With Telbivudine
NCT00637663 0740-67-5 Ph 4 completed Continuing Lamivudine Versus Switching to Entecavir in Patients Who Achieved Undetectable Hepatitis B Virus DNA
NCT01023217 CAESAR results posted AMC-2009-0536 Ph 4 completed Entecavir Plus Adefovir in Lamivudine-Resistant Chronic Hepatitis B Patients Who Fail Lamivudine Plus Adefovir
NCT00410202 DEFINE results posted AI463-111 Ph 3 completed Entecavir Plus Adefovir Combination Therapy Versus Entecavir Monotherapy vs Therapy With Adefovir Plus Lamivudine for Chronic Hepatitis B Infected Subjects With Lamivudine-resistant Virus
NCT01088009 EXPLORE MOH-02 Ph 4 completed Efficacy Optimizing Research of Lamivudine Therapy
NCT01743079 20080810 Ph 4 completed Study of Telbivudine and Lamivudine to Prevent Vertical Transmission of Hepatitis B
NCT01788371 2011.6 Ph 4 completed Nucleoside Analogue Prevent Vertical Transmission of Hepatitis B Virus
NCT00915655 DIONE results posted CR016312 TMC114-TiDP29-C230, 2008-004631-37 Ph 2 completed A Study to Evaluate Antiviral Activity of Darunavir + Ritonavir in HIV-1 Infected Adolescents
NCT00625339 4-2007-0367 Ph 4 completed Continuing Lamivudine Versus Switching to Entecavir in Patients Who Achieved Undetectable HBV DNA
NCT00625560 4-2007-0351 Ph 4 completed Continuing Lamivudine vs Switching to Entecavir in Patients With Detectable HBV DNA
NCT00612898 AVX-301 Ph 2, Ph 3 terminated Study of the Efficacy and Safety of Apricitabine, a New NRTI, to Treat Drug-resistant HIV Infection
NCT00798460 IB-0809-055 Ph 4 terminated Efficacy of Clevudine Plus Lamivudine for Lamivudine-resistant Chronic Hepatitis B Patients
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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

EPIVIR FDA Label Details

Indications & Usage

FDA Label (PDF)

EPIVIR is indicated for the treatment of Human Immunodeficiency Virus Infection.

⚠️ BOXED WARNING

WARNING: EXACERBATIONS OF HEPATITIS B and DIFFERENT FORMULATIONS OF EPIVIR Exacerbations of Hepatitis B Severe acute exacerbations of hepatitis B have been reported in patients who are co-infected with hepatitis B virus (HBV) and human immunodeficiency virus (HIV-1) and have discontinued EPIVIR. Hep...

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.