Substance / Medication

Entecavir

Overview

Active Ingredient
entecavir
RxNorm CUI
306266

Indications

Entecavir tablets are indicated for the treatment of chronic hepatitis B virus infection in adults and pediatric patients 2 years of age and older with evidence of active viral replication and either evidence of persistent elevations in serum aminotransferases (ALT or AST) or histologically active disease.

Labeler: EPIC PHARMA, LLCUpdated: 2026-01-15T00:00:00.000ZFull label on DailyMed

Boxed Warning

FDA Black Box Warning

[see Warnings and Precautions (5.1)]. Severe acute exacerbations of hepatitis B have been reported in patients who have discontinued anti-hepatitis B therapy, including entecavir. Hepatic function should be monitored closely with both clinical and laboratory follow-up for at least several months in

Contraindications

When this intervention should not be used

None.

Indications & Related Conditions

Conditions associated via SNOMED clinical relationships

Administration & Protocol

Dosing, route, and treatment protocol

Detailed dosage and administration information is available in the full FDA drug label.

View full prescribing information on DailyMed

Monitoring & Follow-Up

Biomarkers relevant to this intervention via related conditions

No monitoring biomarkers have been mapped yet. Biomarker-intervention linkages are derived through related conditions and will expand as the knowledge graph grows.

Clinical Trials

32 trials linked to this intervention

32
Total Trials
3
Recruiting
7
With Results

Research Evidence

Published studies and systematic reviews

Sort:
Tenofovir alafenamide versus entecavir in treating patients with chronic hepatitis B: A meta-analysis.
Luo Jian-Xing, Chen Guo, Hu Xiao-Yu et al. · Gastroenterol Hepatol · 2025
PMID: 39426790Meta-Analysis
Entecavir for children and adults with chronic hepatitis B.
Wu Jing, Xie Shitong, Ma Yanfang et al. · Cochrane Database Syst Rev · 2025
PMID: 40260837Meta-AnalysisFull text (PMC)
A systematic review and meta-analysis of the risk of hepatitis B virus (HBV) resistance in people treated with entecavir or tenofovir.
Lumley Sheila F, Delphin Marion, Mokaya Jolynne F et al. · J Clin Virol · 2024
PMID: 38991458Meta-Analysis
Renal function in entecavir-treated patients with chronic hepatitis B: a meta-analysis.
Mao Zhuoying, Huang Jian, Li Lizhu et al. · Minerva Surg · 2024
PMID: 35332766Meta-Analysis

Research data from MEDLINE/PubMed

Benefits & Expected Outcomes

Benefits, expected outcomes, efficacy data, and NNT (Number Needed to Treat) are pending physician authorship and evidence review.

Risks & Side Effects

Adverse reaction and safety data for this drug is sourced from the FDA-approved label.

View adverse reactions & drug interactions on DailyMed

Related Symptoms

Symptoms associated with conditions this intervention addresses

No related symptoms have been mapped yet. Symptom linkages are derived through associated conditions.

Alternatives & Comparisons

Alternative treatments, comparison data, and clinical decision support are pending physician authorship.

Medical Disclaimer

This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.

Do not start, stop, or change any treatment without consulting your healthcare provider.

Quick Facts

Type
Substance / Medication
Fully Specified Name
Entecavir (substance)
SNOMED CT
416644000
UMLS CUI
C0971023
RxNorm CUI
306266
Labeler
EPIC PHARMA, LLC

Clinical Data

This intervention maps to 2 entities in the Healos knowledge graph.

2
Conditions
0
Biomarkers
0
Specialists
0
Symptoms
32
Clinical Trials

Data is sourced from SNOMED CT, UMLS, and the Healos clinical knowledge graph. Content sections marked as pending require physician authorship. Consult a healthcare provider before starting any treatment.