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Afinitor

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Afinitor (Everolimus) is an mTOR inhibitor used as a targeted therapy for certain cancers and benign tumors. It helps adults by blocking the protein responsible for cell growth and division. By interfering with the blood supply to tumors, Afinitor slows down the progression of the condition and aids in systemic oncology support.


Ingredient
Availability
In Stock
Delivery Time
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Everolimus
Reference Brand
Afinitor
Manufacturer
Novartis
Product Form
Tablets, Tablets for oral suspension
Regulatory Classification
Rx
Primary Category
Cancer Treatment
Product Category
Antineoplastic and Immunomodulating Agents, Other antineoplastic agents, mTOR inhibitors
Pharmacological Class
mTOR Inhibitor
Manufacturer Description
A targeted therapy used to treat several types of advanced cancers and specific non-cancerous tumours.
Mechanism of Action
Everolimus works by blocking a protein called mTOR, which is involved in the growth and division of cells. By inhibiting this protein, the drug helps slow down the growth and spread of cancer cells.
Route of Administration
Oral
Onset Time
Daily dosing builds up therapeutic levels over several days
Duration
24 hours
Contraindications
Hypersensitivity to everolimus or sirolimus
Severe Adverse Events
Non-infectious pneumonitis (lung inflammation), Severe infections, Kidney failure, Hemorrhage
Common Side Effects
Mouth ulcers, Weakness, Nausea
Uncommon Side Effects
Skin rash, Swelling (oedema), Increased infection risk, High cholesterol
Drug Interactions
Ketoconazole, Rifampicin, St John's wort, Grapefruit juice, Live vaccines
Pregnancy Safety Warnings
Must not be used during pregnancy; effective contraception is required.
Age Restrictions
Used in adults; specific formulations used for children with TSC
Storage Guidelines
Store in the original package to protect from light and moisture.
Related Products
Sunitinib, Pazopanib, Sirolimus

Afinitor FAQ

What should I do if I experience severe mouth sores while taking Afinion?

Severe stomatitis can interfere with nutrition and medication adherence. Rinse the mouth regularly with a salt-water solution, avoid spicy or acidic foods, and inform your healthcare provider who may prescribe a topical steroid or adjust the dose.

Can I travel internationally with Afinion pills, and do I need documentation?

Yes, you can travel with your medication, but you should carry the original prescription label and a letter from your doctor stating the clinical necessity. This helps avoid customs delays, especially in countries with strict drug import regulations.

Are there differences in the appearance of 5 mg versus 10 mg Afinion tablets?

The 5 mg tablets are typically smaller and may have a different imprint code than the 10 mg tablets. Check the blister pack for the specific imprint to confirm the strength before ingestion.

How does Afinion interact with common antifungal medications?

Strong antifungal agents such as ketoconazole are potent CYP3A4 inhibitors and can raise everolimus plasma concentrations, increasing the risk of serious side effects. Dose adjustments or alternative antifungals should be considered.

Is fasting required before taking Afinion?

Fasting is not required. However, taking the pill consistently with or without food helps maintain stable drug absorption. Choose a routine that fits your daily schedule.

Can Afinion affect blood glucose levels in non-diabetic patients?

Everolimus can cause hyperglycaemia even in patients without prior diabetes. Routine monitoring of fasting glucose is advisable, particularly during the first few months of therapy.

What are the storage recommendations for Afinion in hot climates?

If you reside in a region where ambient temperatures exceed 30 °C, store the tablets in a cool, dry place, such as a closed cabinet away from windows. Avoid refrigeration, which can cause condensation and tablet degradation.

Does Afinion have any known effects on fertility?

Animal studies suggest potential impacts on reproductive function, but human data are limited. Patients of reproductive age should discuss family planning with their clinician before initiating therapy.

How is the cost of Afinion compared to generic everolimus in the UK?

Afinion is a brand-name product, and its price may be higher than the generic formulation of everolimus. Pricing varies by pharmacy and NHS prescribing policies; for exact cost information, consult your pharmacist or the NHS prescription service.

What is Afinion?

Afinion (brand name) contains everolimus as its active ingredient. Everolimus is an oral mTOR (mechanistic target of rapamycin) inhibitor used as an oncology support medication. In the United Kingdom, Afinion is a prescription-only product regulated by the Medicines and Healthcare products Regulatory Agency (MHRA). It is supplied in pill form with strengths of 5 mg and 10 mg.

Everolimus belongs to the class of targeted cancer therapies that interfere with cellular growth pathways. The medication is indicated for several solid tumours and for the prevention of organ-rejection in transplant patients, although the focus of this article is its oncology use.

How Afinion Works in the Body

Everolimus blocks the activity of the mTOR complex 1 (mTORC1), a key regulator of cell growth, proliferation, and survival. By inhibiting mTORC1, the drug:

  • Reduces signalling that promotes tumour cell division
  • Limits production of proteins necessary for angiogenesis (new blood-vessel formation)
  • Enhances the effect of other anticancer agents

The onset of pharmacological action occurs within a few hours after oral intake, with peak plasma concentrations typically reached 1-2 hours post-dose. Everolimus has a half-life of approximately 30 hours, allowing once-daily dosing for most oncology indications. It is extensively metabolised by the liver enzyme CYP3A4 and is excreted primarily in the bile.

Conditions Treated with Afinion

Afinion (everolimus) is approved by the MHRA for:

  • Advanced renal cell carcinoma (RCC) after prior anti-angiogenic therapy
  • Advanced hormone-receptor-positive, HER2-negative breast cancer in combination with exemestane
  • Pancreatic neuroendocrine tumours (PNET) not amenable to surgery

These indications are based on pivotal phase III clinical trials that demonstrated improved progression-free survival compared with standard care. The medication is intended for adult patients with confirmed diagnoses of the listed cancers.

Investigational Uses Under Study

Emerging research is evaluating everolimus in other tumour types, such as:

  • Metastatic colorectal cancer (combined with chemotherapy)
  • Advanced prostate cancer (in combination with androgen-deprivation therapy)

These studies are ongoing, and the medication is not yet approved for these conditions in the UK. Off-label use would require careful medical supervision and a risk-benefit assessment.

Who Should Not Use Afinion?

Absolute Contraindications

  • Known hypersensitivity to everolimus or any excipients in the pill
  • Severe hepatic impairment (Child-Pugh class C)
  • Pregnancy (everolimus is classified as Category X - contraindicated)

Relative Contraindications

  • Moderate hepatic impairment (Child-Pugh class B) - dose adjustment required
  • Mild to moderate renal impairment - monitor drug levels and clinical response
  • Concomitant use of strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin) - may increase everolimus exposure

Special Populations

  • Pregnancy & lactation: Everolimus can cause fetal harm; breastfeeding is not recommended.
  • Elderly patients: Age-related decline in liver function may necessitate lower initial doses.
  • Patients with uncontrolled infections: Immunosuppressive effect may exacerbate infection risk.

If any of these conditions apply, a healthcare professional should evaluate the suitability of Afinion.

Safety Profile: Side Effects and Interactions

Common Side Effects

  • Mouth sores (stomatitis) - often mild, may improve with good oral hygiene
  • Diarrhoea - typically manageable with diet adjustments and hydration
  • Rash - usually non-serious, may respond to topical steroids

Serious Adverse Events

  • Pneumonitis - inflammation of lung tissue that can be life-threatening; requires prompt medical evaluation if new cough or dyspnoea develop
  • Infections - opportunistic infections (e.g., fungal, viral) due to immune suppression
  • Hyperglycaemia - monitor blood glucose, especially in patients with diabetes

Drug Interactions

  • Major: Strong CYP3A4 inhibitors (ketoconazole, ritonavir) can raise everolimus levels → increase toxicity risk.
  • Moderate: CYP3A4 inducers (rifampicin, carbamazepine) may lower drug exposure → reduce efficacy.
  • Immunosuppressants: Co-administration with tacrolimus or cyclosporine may require dose reductions to avoid excessive immunosuppression.

Patients should disclose all prescription medicines, over-the-counter drugs, supplements, and herbal products to their prescriber before starting Afinion.

Food and Lifestyle Interactions

  • Everolimus may be taken with or without food; consistency is recommended to maintain stable absorption.
  • Alcohol does not directly interact, but excessive intake can worsen liver function and increase infection risk.
  • Driving or operating machinery is generally safe, but patients should be alert for severe fatigue or dizziness.

How to Take Afinion

Standard Dosing

  • Renal cell carcinoma: 10 mg orally once daily, taken at the same time each day.
  • Breast cancer (with exemestane): 10 mg orally once daily.
  • Pancreatic neuroendocrine tumour: 10 mg orally once daily.

Dose adjustments may be necessary based on tolerability, liver function, or concomitant CYP3A4-modifying drugs. The 5 mg tablets are used when dose reduction is indicated.

Special Populations

  • Hepatic impairment: Reduce the starting dose to 5 mg daily; monitor liver tests and clinical response.
  • Renal impairment: No specific dose change required for mild to moderate dysfunction, but close monitoring is advised.

Administration Instructions

  • Swallow the pill whole with a glass of water.
  • Store the medication at room temperature (15-30 °C), away from moisture and direct sunlight.
  • Keep out of reach of children; the blister pack provides child-resistant protection.

Missed Dose

If a dose is missed, take it as soon as remembered unless it is near the time of the next scheduled dose. Do not double the dose.

Overdose

Symptoms may include severe nausea, vomiting, diarrhoea, and respiratory distress. Seek immediate medical attention; supportive care and possible temporary cessation of other immunosuppressants are recommended.

Discontinuation

When stopping Afinion, tapering is generally not required for oncology indications, but abrupt cessation should be discussed with the prescribing clinician to avoid disease progression or rebound effects.

Monitoring and Follow-Up

  • Baseline labs: Complete blood count, liver function tests, fasting blood glucose, lipid profile.
  • Routine monitoring: Every 4-6 weeks for blood counts and liver enzymes; more frequent checks if abnormalities arise.
  • Clinical assessment: Evaluate for signs of infection, pneumonitis, or allergic reactions at each visit.
  • Therapeutic drug monitoring: Not routinely required, but may be employed when interacting medications significantly affect everolimus levels.

Patients should report new respiratory symptoms, persistent fever, or unexplained bruising promptly.

Storage and Handling

  • Store Afinion tablets in their original packaging until use.
  • Keep at room temperature, protected from moisture and heat.
  • Do not use the medication after the expiry date printed on the blister pack.
  • Dispose of unused tablets according to local pharmaceutical waste guidelines; do not flush down the toilet.

Medication-Specific Glossary

mTOR (mechanistic target of rapamycin)
A protein kinase that regulates cell growth, proliferation, and survival; inhibition reduces tumour progression.
Pneumonitis
Inflammation of lung tissue that can manifest as cough, shortness of breath, or fever; a recognized serious adverse effect of everolimus.
CYP3A4
A liver enzyme that metabolises many drugs, including everolimus; inhibitors increase drug levels, while inducers decrease them.

Medical Disclaimer

This article provides educational information about Afinion and is not a substitute for professional medical advice. Treatment decisions, including use for unapproved indications, must be made under the guidance of a qualified healthcare provider. The content is intended for informational purposes and does not constitute medical recommendations. Always consult a physician before starting, stopping, or changing any medication regimen.

Information for Afinitor is sourced from established medical standards and updated frequently. It is provided for general guidance and should be confirmed with a healthcare professional before use.
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