Product Information
Lapanix (Lapatinib) 250mg is a dual tyrosine kinase inhibitor of EGFR (HER1/ErbB1) and HER2 (ErbB2) used in the treatment of HER2-positive (HER2-overexpressing) metastatic breast cancer in adult patients, given in combination with either capecitabine or letrozole. It works by blocking the intracellular tyrosine kinase domains of EGFR and HER2, interrupting the downstream signalling pathways that drive tumour cell growth and survival. Manufactured by Beacon Pharmaceuticals Ltd., Bangladesh and globally supplied by Mediaid Pharmacy with worldwide shipping.
Basic Product Information of Lapanix (Lapatinib) 250mg
| Brand Name | Lapanix (Lapatinib) |
| Generic Name | Lapatinib (as Lapatinib Ditosylate) INN |
| Drug Class | Dual Tyrosine Kinase Inhibitor – EGFR (HER1/ErbB1) and HER2 (ErbB2) Inhibitor, Antineoplastic Agent |
| Available Strengths | 250mg |
| Formulation | Film-Coated Tablet |
| Pack Size | 150 Tablets per Pot |
| Primary Indication | HER2-Positive (HER2-Overexpressing) Metastatic Breast Cancer, in combination with Capecitabine or Letrozole |
| Regulatory Approvals | USFDA Approved. EMA Approved (marketed in Europe as Tyverb). |
| Originator Brand | Tykerb / Tyverb by Novartis |
| Manufacturer | Beacon Pharmaceuticals Ltd., Mymensingh, Bangladesh |
| Global Supplier | Mediaid Pharmacy, Worldwide Shipping Available |
| Registration Date | 08/07/2021 |
| Storage Conditions | Store below 30 degrees Celsius. Keep in a dry place away from light and moisture. Keep out of the reach of children. |
How Lapanix (Lapatinib) Works
Lapanix contains Lapatinib, a 4-anilinoquinazoline compound that acts as a dual inhibitor of the intracellular tyrosine kinase domains of EGFR (HER1/ErbB1) and HER2 (ErbB2). In HER2-overexpressing breast cancers, these receptor tyrosine kinases are abnormally active, continuously triggering downstream signalling cascades that drive uncontrolled tumour cell proliferation and survival.
Lapatinib works by reversibly binding to the ATP-binding pocket of both EGFR and HER2, blocking receptor phosphorylation and the subsequent activation of the MAPK and PI3K/Akt signalling pathways. By interrupting these pathways at two receptor targets simultaneously, Lapanix helps slow tumour growth in HER2-positive metastatic breast cancer.
Lapanix is a convenient oral tablet taken as part of a combination regimen, offering an alternative to intravenous chemotherapy administration for eligible patients. It is used specifically in tumours confirmed to be HER2-positive by appropriate laboratory testing (IHC or FISH), and is always prescribed and monitored by an oncologist as part of a structured cancer treatment plan.
Indications for Lapanix (Lapatinib)
Lapanix (Lapatinib) is indicated for the following conditions:
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HER2-Positive Metastatic Breast Cancer (with Capecitabine) For adult patients with HER2-overexpressing metastatic breast cancer who have received prior therapy including an anthracycline, a taxane, and trastuzumab, Lapanix is used in combination with capecitabine. |
Hormone Receptor-Positive, HER2-Positive Breast Cancer (with Letrozole) For postmenopausal women with hormone receptor-positive, HER2-overexpressing metastatic breast cancer for whom hormonal therapy is indicated, Lapanix is used in combination with letrozole. |
Benefits of Lapanix (Lapatinib) 250mg
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Dual-Target Kinase Inhibition Lapanix blocks both EGFR (HER1) and HER2 tyrosine kinase activity simultaneously, offering a targeted mechanism against HER2-overexpressing tumour cells. |
Convenient Oral Tablet As an oral tablet, Lapanix offers an alternative route of administration to intravenous HER2-targeted therapies, within a physician-supervised combination regimen. |
Flexible Combination Regimens Lapanix is used together with either capecitabine or letrozole, allowing oncologists to tailor treatment to prior therapy history and hormone receptor status. |
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Affordable Alternative to Tykerb / Tyverb Lapanix contains the same active ingredient as the originator brand, at a significantly lower cost, improving access to HER2-targeted therapy. |
Established Clinical Evidence Base Lapatinib’s efficacy in HER2-positive metastatic breast cancer, in combination with capecitabine or letrozole, is supported by clinical trial data and long-standing regulatory approval. |
WHO-GMP and cGMP Certified Produced by Beacon Pharmaceuticals Ltd. under strict WHO-GMP, cGMP, and ISO-certified manufacturing standards, ensuring every batch of Lapanix meets consistent quality, safety, and efficacy requirements. |
How to Take Lapanix (Lapatinib)
Route: Oral, taken by mouth, as a single daily dose (do not divide the daily dose)
Standard dose with Capecitabine: 1250mg (five 250mg tablets) once daily, taken continuously on Days 1 to 21, in combination with capecitabine 2000mg/m² per day (given in two divided doses roughly 12 hours apart) on Days 1 to 14 of a repeating 21-day cycle.
Standard dose with Letrozole: 1500mg (six 250mg tablets) once daily, taken continuously, in combination with letrozole 2.5mg once daily.
With food: Take at least one hour before or one hour after a meal. Food significantly increases absorption, so Lapanix should always be taken on an empty stomach at a consistent time each day.
Hepatic impairment: In patients with severe hepatic impairment (Child-Pugh Class C), the dose should be reduced from 1250mg/day to 750mg/day when combined with capecitabine, or from 1500mg/day to 1000mg/day when combined with letrozole.
Renal impairment: No specific dose adjustment is recommended, as less than 2% of a dose is eliminated renally. There is no clinical experience in patients with severe renal impairment or those on haemodialysis.
Diarrhoea management: Treatment should be interrupted for severe or complicated diarrhoea and may be restarted at a reduced dose once it resolves to a mild grade; treatment should be permanently discontinued for the most severe (Grade 4) diarrhoea.
CYP3A4 interactions: A dose reduction should be considered if a strong CYP3A4 inhibitor cannot be avoided; strong CYP3A4 inducers should be avoided where possible.
Paediatric use: The safety and efficacy of Lapanix in children and adolescents have not yet been established. No data are currently available.
Monitoring and Dosage Adjustments
Regular monitoring is essential throughout Lapanix treatment. Your oncologist will monitor liver function tests at baseline and every 4 to 6 weeks during treatment, cardiac function (left ventricular ejection fraction) before starting and periodically during treatment, and will watch for signs of interstitial lung disease or pneumonitis such as cough, shortness of breath, or fever. An ECG may be used to check for QT interval prolongation, particularly in patients on other QT-prolonging medicines. Report any yellowing of the skin or eyes, unusual fatigue, breathing difficulty, chest pain, or severe or persistent diarrhoea to your doctor immediately.
Drug Interactions and Important Information
Avoid concomitant use of Lapanix with strong CYP3A4 inhibitors (such as ketoconazole, clarithromycin, or ritonavir), as these can substantially increase Lapatinib exposure and the risk of toxicity. Avoid strong CYP3A4 inducers (such as rifampicin, phenytoin, or St. John’s Wort), as these can reduce Lapatinib’s effectiveness.
Use caution when combining Lapanix with other medicines known to prolong the QT interval. Lapanix is also a substrate of the P-glycoprotein and BCRP drug transporters, which may affect interactions with other medicines. Always inform your oncologist of all medications, supplements, and herbal products you are currently taking before starting Lapanix.
Side Effects and Precautions
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Common Side Effects Diarrhoea Nausea and vomiting Rash and skin reactions Fatigue Mucositis and mouth sores Loss of appetite Nail disorders, including paronychia Hand-foot syndrome (when combined with capecitabine) |
Serious Warnings and Precautions Hepatotoxicity (Boxed Warning), which may be severe. Report yellowing of skin or eyes, dark urine, or unusual fatigue immediately. Decreased left ventricular ejection fraction and cardiac dysfunction. Cardiac function is assessed before and during treatment. Interstitial lung disease and pneumonitis. Report cough, shortness of breath, or fever immediately. QT interval prolongation, particularly with other QT-prolonging drugs. Severe diarrhoea with risk of dehydration and electrolyte imbalance. Not recommended during pregnancy (may cause fetal harm) or breastfeeding. Hypersensitivity reactions, including anaphylaxis, have been reported. |
Who Should Use Lapanix (Lapatinib)?
Lapanix is intended for adult patients with confirmed HER2-positive (HER2-overexpressing) metastatic breast cancer, used together with capecitabine in patients who have received prior anthracycline, taxane, and trastuzumab-based therapy, or together with letrozole in postmenopausal women whose tumours are also hormone receptor-positive. It is prescribed and monitored exclusively by oncologists experienced in breast cancer management. HER2 status must be confirmed by appropriate laboratory testing (IHC or FISH), and a thorough baseline assessment including liver function tests and cardiac function (LVEF) is required before initiating treatment.
Manufacturer: Beacon Pharmaceuticals Ltd.
Beacon Pharmaceuticals Ltd. is a leading pharmaceutical manufacturer based in Mymensingh, Bangladesh, and the number one oncology and specialty medicine company in the country. Beacon is the first company in Bangladesh to export cancer drugs and currently exports to Asia, Africa, Europe, and Latin America. With more than 200 generic drugs and 65 oncology products in its portfolio, Beacon operates under strict WHO-GMP, cGMP, and ISO-certified standards. Lapanix is one of Beacon’s globally recognised oncology products, offering an affordable, bioequivalent alternative to Tykerb / Tyverb at a fraction of the cost.
Global Supplier: Mediaid Pharmacy with Worldwide Shipping
Mediaid Pharmacy is a trusted global supplier of specialty and oncology medications. We ensure Lapanix (Lapatinib) is accessible to patients and healthcare providers worldwide through reliable worldwide shipping. Whether you are located in South Asia, the Middle East, Africa, Europe, or beyond, Mediaid Pharmacy provides fast and reliable delivery with full order support. Contact us directly via WhatsApp, phone, or WeChat for pricing, availability, and delivery enquiries.
Why Choose Lapanix (Lapatinib) from Mediaid Pharmacy?
Lapanix represents an important, targeted option in the treatment of HER2-positive metastatic breast cancer. As the generic equivalent of Tykerb / Tyverb, it delivers the same active ingredient, Lapatinib, with the same dual EGFR/HER2 inhibition mechanism at a dramatically more affordable price. Manufactured by the internationally trusted Beacon Pharmaceuticals Ltd. under WHO-GMP and cGMP standards, and distributed globally by Mediaid Pharmacy, Lapanix gives patients and oncology teams worldwide access to quality HER2-targeted therapy without the financial burden of brand-name alternatives. For patients and physicians seeking a proven, affordable, and accessible Lapatinib option with worldwide delivery, Lapanix from Mediaid Pharmacy is the trusted choice.
Frequently Asked Questions About Lapanix (Lapatinib)
What is Lapanix (Lapatinib) used for?
Lapanix (Lapatinib) is a dual EGFR/HER2 tyrosine kinase inhibitor used in adults with HER2-positive metastatic breast cancer. It is given together with capecitabine in patients who have already received certain prior therapies, or together with letrozole in postmenopausal women whose cancer is also hormone receptor-positive. It works by blocking the growth signals that HER2-overexpressing tumour cells rely on.
How should I take Lapanix (Lapatinib)?
Lapanix is taken orally once daily as a single dose, at least one hour before or one hour after food. The dose is 1250mg (five tablets) daily when combined with capecitabine, or 1500mg (six tablets) daily when combined with letrozole. Doses may be reduced in patients with severe hepatic impairment or significant side effects. Always follow your oncologist’s exact instructions.
What strength is Lapanix (Lapatinib) available in?
Lapanix is available as a 250mg film-coated tablet, supplied in a pot of 150 tablets. Depending on the combination regimen prescribed, patients typically take five or six tablets per day, as directed by their oncologist.
Is Lapanix the same as Tykerb / Tyverb (Lapatinib by Novartis)?
Yes. Lapanix is the generic equivalent of Tykerb / Tyverb. Both contain the same active ingredient, Lapatinib, in the same dosage form and strength. Lapanix is manufactured by Beacon Pharmaceuticals Ltd. in Bangladesh and delivers the same clinical mechanism as the originator brand at a significantly lower cost.
What are the side effects of Lapanix (Lapatinib)?
Common side effects include diarrhoea, nausea, rash, fatigue, mouth sores, and nail disorders. Lapanix carries a boxed warning for hepatotoxicity, which may be severe, and can also affect cardiac function (LVEF), the lungs (interstitial lung disease), and heart rhythm (QT prolongation). Regular blood tests, liver function tests, and cardiac monitoring are required throughout treatment. Always consult your oncologist for a complete assessment of your individual risks and benefits.
Can Lapanix be used with Capecitabine or Letrozole?
Yes. Lapanix is specifically indicated for use in combination with either capecitabine or letrozole, never as monotherapy. It should not be combined with strong CYP3A4 inhibitors or inducers without medical guidance, as these significantly affect Lapatinib exposure and effectiveness.
Is Lapanix (Lapatinib) safe during pregnancy or breastfeeding?
No. Lapanix is not recommended during pregnancy, as it may cause fetal harm, or during breastfeeding. Pregnancy status should be confirmed before starting treatment in women of childbearing potential, and effective contraception should be used during treatment and for at least one week after the final dose. Please consult your oncologist before starting treatment if you are pregnant, planning to become pregnant, or breastfeeding.
Can I order Lapanix (Lapatinib) online with worldwide shipping?
Yes. Mediaid Pharmacy supplies Lapanix (Lapatinib) 250mg globally with worldwide shipping. Contact us via WhatsApp, phone, or WeChat at +8801773428128 or email us at info@mediaidpharmacy.com to enquire about pricing, availability, and delivery to your country.
Order Lapanix (Lapatinib) 250mg with Worldwide Shipping
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