Description
Is Caboxen 20 mg right for your situation?
Review these criteria with your oncologist before enquiring- ✓Advanced renal cell carcinoma (RCC), first-line or after prior therapy
- ✓Hepatocellular carcinoma (HCC) previously treated with sorafenib
- ✓Progressive, metastatic medullary thyroid cancer (MTC)
- ✓Need a WHO-GMP generic alternative to Cabometyx® (Exelixis)
- ✗Recent severe bleeding, or unhealed surgical wounds
- ✗Surgery (including dental) planned within 28 days
- ✗Pregnant, planning pregnancy, or breastfeeding
- ✗Uncontrolled hypertension
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Prescription required · Named Patient Program · Worldwide shipping
🛡 WHO-GMP Certified · Prescription verified · Express dispatch
What is Caboxen 20 mg?
Caboxen 20 mg is a generic formulation of Cabozantinib — a multi-target tyrosine kinase inhibitor — manufactured by Everest Pharmaceuticals Ltd. under WHO-GMP certified conditions in Bangladesh. Each capsule contains 20 mg of cabozantinib, the same active molecule found in Cabometyx® (Exelixis), and is dispensed under the Named Patient Program.
Cabozantinib is FDA-approved across three distinct cancer types — kidney, liver, and thyroid — each with its own specific dosing regimen and clinical evidence base.
| Generic name | Cabozantinib (as the S-malate salt) |
| Reference brand | Cabometyx® (Exelixis) |
| Manufacturer | Everest Pharmaceuticals Ltd. |
| Standard | WHO-GMP Certified |
| Drug class | Multi-target Tyrosine Kinase Inhibitor |
| Dosage form | Capsule — 20 mg |
| Route | Oral · once daily, fasting |
| Prescription | Required — oncologist only |
How Cabozantinib Works
Cabozantinib blocks multiple tyrosine kinases involved in tumour growth, angiogenesis, and metastasis, including VEGFR-2, MET, and RET — a broader target profile than single-pathway inhibitors.
Side Effects
Cabozantinib carries several serious warnings that require careful monitoring throughout treatment.
Common · Usually Manageable
- Diarrhoea
- Hand-foot skin reaction
- Hypertension
- Fatigue
- Decreased appetite
- Nausea
Serious · Report Immediately
- Severe gastrointestinal perforation or fistula
- Serious haemorrhage
- Thrombotic events (blood clots, stroke, heart attack)
- Impaired wound healing
- Osteonecrosis of the jaw
- Hepatotoxicity
- Severe abdominal pain (possible GI perforation)
- Unusual bleeding, coughing/vomiting blood, or blood in stool
- Sudden chest pain, weakness, or difficulty speaking
- Jaw pain, swelling, or numbness (possible osteonecrosis)
How to Take Caboxen 20 mg
Standard adult dose: 60 mg once daily (built from capsule combinations totalling 60 mg) for RCC and HCC, or 140 mg once daily for MTC. Always follow your exact prescribed dose.
- 1Take on an empty stomach — at least 1 hour before or 2 hours after eating, for consistent absorption.
- 2Swallow capsule whole with water. Do not crush or chew.
- 3Discontinue at least 28 days before any scheduled surgery, including dental procedures, due to wound-healing risk. Do not resume until the wound has fully healed, as confirmed by your surgeon.
- 4If you miss a dose, skip it if the next dose is due within 12 hours — do not double up.
- 5Storage: room temperature, dry place, out of reach of children.
Who Should Avoid Caboxen
- Anyone with a recent history of significant bleeding via cough, vomit, stool, or unusual menstrual bleeding
- Patients with uncontrolled hypertension
- Anyone with an unhealed surgical wound or recent major surgery
- Patients currently taking certain antibiotics or drugs with significant CYP3A4 interactions (discuss your full medication list with your oncologist)
- Pregnant or breastfeeding patients
Frequently Asked Questions
Why is the dose different for thyroid cancer versus kidney or liver cancer?
Why must I stop Caboxen before surgery?
Is Caboxen the same as Cabometyx?
How do I order Caboxen through Meds For Cancer?
Meds For Cancer operates as a Named Patient Program (NPP) facilitator. WHO-GMP certified medicines are made available to individual patients with a confirmed medical need and a valid prescription, in countries where the branded product is unavailable or unaffordable.
- Choueiri TK, et al. Cabozantinib versus everolimus in advanced renal cell carcinoma (METEOR). NEJM 2015;373:1814–1823.
- Abou-Alfa GK, et al. Cabozantinib in patients with advanced hepatocellular carcinoma (CELESTIAL). NEJM 2018;379:54–63.
- FDA Prescribing Information: Cabometyx (cabozantinib). Exelixis, 2023.


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