Medication info

TeraCru Tablets 0.5 mg (Entecavir)

Prescription medicationTabletOralExpired
Ingredient · strength
Entecavir›0.53mg / 1 tablet
Manufacturer / importer
Teragen Etex Co., Ltd.
Appearance
White to off-white triangular film-coated tablet
Packaging
10 tablets/blister x 3
Approval status
Expired

MFDS item code 202002081 · Approved 2020.03.25

This product's status changed to Expired on 2025.03.25. It may no longer be sold, so consult a doctor or pharmacist before taking it.

Summary

Main use
Treatment of chronic hepatitis B with confirmed active viral replication
Who takes it
Adults · Children
Adult dose
Administer this medicine orally on an empty stomach (2 hours after a meal or at least 2 hours before a meal). The dose is entecavir 0.5 mg orally once daily. Patients aged 16 years or older with lamivudine resistance, that is, patients who have experienced persistent replication of hepatitis B virus despite lamivudine treatment or who have lamivudine-resistant mutations: entecavir 1 mg once daily on an empty stomach. Patients with renal impairment: As creatinine clearance decreases in patients with renal impairment, the oral clearance of this medicine decreases. Adjust the dose as follows in patients with creatinine clearance below 50 mL/min, including patients receiving hemodialysis or continuous ambulatory peritoneal dialysis (CAPD). Creatinine clearance (mL/min) | Entecavir dose | Entecavir dose in patients with lamivudine resistance ≥ 50 | 0.5 mg once daily | 1 mg once daily 30 - <50 | 0.25 mg once daily a or 0.5 mg every 48 hours | 0.5 mg once daily or 1 mg every 48 hours 10 - <30 | 0.15 mg once daily a or 0.5 mg every 72 hours | 0.3 mg once daily a or 1 mg every 72 hours <10, hemodialysis b or CAPD | 0.05 mg once daily a or 0.5 mg every 7 days | 0.1 mg once daily a or 1 mg every 7 days a: For doses less than 0.5 mg, use of the syrup formulation is recommended. b: If administered on a hemodialysis day, administer this medicine after the hemodialysis session.
Child dose
The dosage for patients aged 16 and older with lamivudine resistance is mentioned separately, and no specific dosage information is provided for children under 16.

Ingredients

Manufacturer
Teragen Etex Co., Ltd.

Efficacy & effects

Treatment of chronic hepatitis B with confirmed active viral replication

  • Active viral replication
  • persistent elevation of serum aminotransferases (ALT or AST)
  • histologically confirmed active disease
View approved original text

This medication is used in the treatment of patients with chronic hepatitis B who exhibit active viral replication and a persistent rise in serum aminotransferases, or those diagnosed with active disease histologically. It is applicable to adult patients aged 16 and above and helps improve the condition of chronic hepatitis B virus infection.

How to take

Adult dose

Administer this medicine orally on an empty stomach (2 hours after a meal or at least 2 hours before a meal). The dose is entecavir 0.5 mg orally once daily. Patients aged 16 years or older with lamivudine resistance, that is, patients who have experienced persistent replication of hepatitis B virus despite lamivudine treatment or who have lamivudine-resistant mutations: entecavir 1 mg once daily on an empty stomach. Patients with renal impairment: As creatinine clearance decreases in patients with renal impairment, the oral clearance of this medicine decreases. Adjust the dose as follows in patients with creatinine clearance below 50 mL/min, including patients receiving hemodialysis or continuous ambulatory peritoneal dialysis (CAPD). Creatinine clearance (mL/min) | Entecavir dose | Entecavir dose in patients with lamivudine resistance ≥ 50 | 0.5 mg once daily | 1 mg once daily 30 - <50 | 0.25 mg once daily a or 0.5 mg every 48 hours | 0.5 mg once daily or 1 mg every 48 hours 10 - <30 | 0.15 mg once daily a or 0.5 mg every 72 hours | 0.3 mg once daily a or 1 mg every 72 hours <10, hemodialysis b or CAPD | 0.05 mg once daily a or 0.5 mg every 7 days | 0.1 mg once daily a or 1 mg every 7 days a: For doses less than 0.5 mg, use of the syrup formulation is recommended. b: If administered on a hemodialysis day, administer this medicine after the hemodialysis session.

Child dose

The dosage for patients aged 16 and older with lamivudine resistance is mentioned separately, and no specific dosage information is provided for children under 16.

Precautions

This medication requires particular attention to liver health. It may lead to lactic acidosis or severe liver disease in patients with compromised liver function, therefore, individuals with poor liver function must consult with a doctor before use. Abrupt discontinuation may worsen hepatitis B, so treatment cessation should be done carefully according to a physician's instructions. It is advisable not to use this medication in patients with concurrent HIV and hepatitis B who are not receiving HIV treatment. Patients with hypersensitivity to this medication or certain genetic diseases like lactose intolerance should not take this medication. Patients with reduced kidney function may need dosage adjustment, and those undergoing dialysis (hemodialysis or peritoneal dialysis) should modify the timing of administration. Liver transplant recipients must closely monitor kidney function when using this medication alongside other drugs that may affect renal function. Symptoms such as headache, fatigue, dizziness, nausea may occur while taking this medication, and should severe symptoms arise, a doctor should be consulted. Regular liver function tests are required during treatment, and if liver enzyme levels rise sharply, drug use may need to be temporarily suspended. It is preferred to take this medication on an empty stomach as food may reduce absorption. Women who are pregnant or breastfeeding must consult a doctor before use, and if breastfeeding, consideration should be given to stopping either breastfeeding or the medication. The drug is approved for use in children aged 2 years and older, and is not to be used in children under 2 years. Elderly patients or those with decreased kidney function require dosage adjustments and monitoring of kidney function. This medication generally has few drug interactions, but caution is advised when used with medications that affect renal excretion. There is no specific antidote for overdose, so appropriate treatment must be provided based on symptoms, and some drugs may be removed via hemodialysis. This medication must be kept out of the reach of children, stored in a cool place, away from direct sunlight, at room temperature.

Side effects

Liver dysfunction, steatosis, hepatomegaly, metabolic liver dysfunction, headache, fatigue, dizziness, nausea, diarrhea, indigestion, vomiting, vertigo, drowsiness, insomnia, anaphylactic reactions, increased aminotransferases, hair loss, rash, upper abdominal pain, heartburn, liver neoplasm, intra-abdominal bleeding, ascites, portal hypertension gastrointestinal diseases, abdominal pain, gastrointestinal bleeding, cholangitis, hepatic encephalopathy, septal deviation, sepsis, eyelid skin disease, gastric hemangioma, chronic sinusitis, cold, itching, chest pain, constipation, back pain, abdominal discomfort, rhinorrhea, abdominal pain, bad taste, neutropenia, hematuria

Not everyone experiences these, and they can vary from person to person.

Storage

This medication should be stored in a sealed container to prevent air and moisture ingress, and it is important to maintain a storage temperature between 15 and 30 degrees Celsius. Proper storage will help preserve the medication's effectiveness and safety.

Appearance and packaging

Appearance

White to off-white triangular film-coated tablet

Package unit

10 tablets/blister x 3

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.