Trastunix Injection 440 mg/20 ml contains Trastuzumab, a monoclonal antibody used in the treatment of HER2-positive cancers. It specifically targets the HER2 receptor, which is overexpressed in certain types of breast and gastric cancers, helping to slow or stop the growth of cancer cells.

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Indications

Trastunix Injection is indicated for:

• HER2-positive breast cancer (early and metastatic)
• HER2-positive metastatic gastric or gastroesophageal junction cancer
• Adjuvant and neoadjuvant therapy in selected breast cancer cases
• Other HER2-overexpressing malignancies as prescribed by an oncologist

Mechanism of Action

Trastuzumab binds selectively to the HER2 (human epidermal growth factor receptor 2) on cancer cells. This results in:

• Inhibition of HER2-mediated cell growth signaling
• Prevention of cancer cell proliferation
• Activation of immune-mediated destruction of tumor cells
• Slowing of tumor progression

Dosage and Administration

• Administered intravenously under strict oncologist supervision
• Initial loading dose is followed by maintenance doses at regular intervals (as per treatment protocol)
• Infusion should be given slowly with careful monitoring
• Dosage depends on body weight, cancer type, and treatment regimen
• Cardiac monitoring is required before and during therapy

Benefits

• Targeted therapy for HER2-positive cancers
• Improves survival and treatment outcomes
• Can be used in combination with chemotherapy
• Reduces risk of cancer progression and recurrence
• Effective in both early and advanced stages of disease

Side Effects

Common side effects may include:

• Fever and chills during infusion
• Nausea
• Fatigue
• Headache
• Diarrhea

Serious side effects:

• Cardiotoxicity (reduced heart function, heart failure)
• Infusion-related reactions
• Lung toxicity (interstitial pneumonitis)
• Severe allergic reactions
• Bone marrow suppression (less common compared to chemotherapy)

Precautions and Warnings

• Requires baseline and periodic cardiac function monitoring (e.g., LVEF assessment)
• Not recommended in patients with significant heart disease unless carefully evaluated
• Use only under oncology specialist supervision
• Avoid during pregnancy due to risk of fetal harm
• Contraception is recommended during and after treatment as advised
• Monitor for infusion reactions during administration

রেজিস্টার্ড চিকিৎসকের পরামর্শ অনুযায়ী ঔষধ সেবন করুন

Drug Interactions

Trastunix Injection may interact with:

• Anthracycline-based chemotherapy (increased cardiac risk)
• Other cardiotoxic agents
• Certain chemotherapy combinations

Close medical supervision is essential during combination therapy.

Storage

• Store in a refrigerator at 2°C to 8°C
• Do not freeze
• Protect from light
• Keep out of reach of children.