Etibo

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De ce să comanzi de la MedsBase

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What Is Etibo?

Etibo is a branded generic of lapatinib 250 mg, a small-molecule tyrosine kinase inhibitor that targets HER2 (ErbB2) și EGFR (ErbB1). Lapatinib blocks intracellular signaling downstream of these receptors, halting proliferation of HER2-positive cancer cells. Manufactured by Natco Pharma.

Critical: Lapatinib is an oncology drug used only under specialist supervision. It is not a general women’s health product. Use strictly according to oncologist protocol — typically after trastuzumab resistance develops.

Utilizări clinice

• Advanced/metastatic HER2+ breast cancer: 1250 mg daily (5 tablets) + capecitabine — after trastuzumab failure.
• HER2+ breast cancer with letrozole in postmenopausal women with ER+/HER2+ metastatic disease.
• Not indicated for adjuvant (early-stage curative) therapy — trastuzumab ± pertuzumab remain standard there.

Cum se administrează

1. Luați 1250 mg (5 tablets) once daily, at least 1 hour before or after food. Food significantly increases absorption and shifts dosing parameters; consistency matters.
2. Typical partner drug: capecitabine 2000 mg/m²/day on days 1–14 of a 21-day cycle.
3. ECG and LVEF monitoring at baseline and every 3 months (cardiotoxicity risk).
4. Manage diarrhoea proactively — often grade 1–3, common in first cycle. Loperamide, hydration, dose reduction as needed.
5. Avoid grapefruit, Seville oranges, and CYP3A4 inhibitors/inducers.

Efecte Secundare

Foarte frecvente: diarrhoea (60–80%), rash (40–60%), nausea, vomiting, fatigue, hand-foot syndrome, palmar-plantar erythrodysesthesia (with capecitabine combo).

Significant: hepatotoxicity (monitor LFTs), cardiotoxicity / reduced LVEF (5–6%), QT prolongation, interstitial lung disease (rare but serious).

Serious: severe liver injury, heart failure, severe skin reactions (Stevens-Johnson), pulmonary toxicity.

Who Should Not Take Etibo

• HER2-negative breast cancer (ineffective)
• Severe hepatic impairment
• Symptomatic heart failure or severe cardiac dysfunction
• Pregnancy — teratogenic
• Concurrent strong CYP3A4 inhibitors or inducers without dose adjustment

Interacțiuni medicamentoase

• Inhibitori puternici ai CYP3A4 (ketoconazole, ritonavir, clarithromycin, grapefruit): raise lapatinib levels significantly.
• Strong CYP3A4 inducers (rifampicin, carbamazepine, phenytoin, St John’s Wort): reduce lapatinib levels and efficacy.
• PPIs, H2 blockers: reduce absorption — avoid or space by hours.
• Warfarin, digoxin: may increase levels.

Depozitare

Store at room temperature (15–30 °C), away from moisture. Keep in original packaging. Keep out of reach of children.

Întrebări frecvente

When is lapatinib used?

Advanced/metastatic HER2-positive breast cancer, typically after trastuzumab (Herceptin) resistance. Not used for early-stage curative therapy.

Why take on empty stomach?

Food increases lapatinib absorption 4–5×, making dosing unpredictable. Standard is consistent fasting — 1 hour before or after food — at a fixed time each day.

How bad is the diarrhoea?

Common, often grade 1–2; manageable with loperamide and hydration. Grade 3+ diarrhoea may require treatment interruption and dose reduction. Report early.

Will lapatinib damage my heart?

About 5–6% of patients have asymptomatic LVEF drops. ECG + echocardiogram at baseline and every 3 months. Usually reversible on dose adjustment or interruption.

Can I take lapatinib with trastuzumab?

Combination lapatinib + trastuzumab is used in specific protocols. Not routine without oncologist supervision.

What about fertility?

Effective contraception required during treatment and for 1 week after (teratogenic). Men should use effective contraception during and 3 months after.

Why is this in the Women's Health category?

HER2+ breast cancer disproportionately affects women (though rarely men get HER2+ breast cancer). Categorisation reflects the population, not a strict clinical cluster.

Is lapatinib still first-line?

For second-line HER2+ metastatic disease (after trastuzumab), lapatinib + capecitabine was standard for years. Newer options (T-DM1/Kadcyla, T-DXd/Enhertu, tucatinib) have since largely supplanted it in first-world oncology — lapatinib remains important where newer agents are unavailable.

Related Women’s Health Products

• Tamodex (Tamoxifen 10 mg)
• Tamilong (Tamoxifen 20 mg)
• Letroheal (Letrozole 2.5 mg)
• Duphaston (Dydrogesterone 10 mg)
• Deviry (Medroxyprogesterone 10 mg)
• Naprosyn (Naproxen 250 mg)
• Candid-V Gel (Clotrimazole)

Alternative conexe

Other oncology medications stocked alongside this product:

• Verpin
• Triohale Rotacaps
• Inderal
• Hydrocl
• Ezedoc

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