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Abiraterone per il cancro alla prostata

Zytiga

The usual dose is two 500 mg tablets taken together, once a day. Swallow the tablets whole, with water.

Take the tablets when your stomach is empty. This means taking your dose at least an hour before a mealtime, or waiting for two hours afterwards.

You will also be prescribed another medicine (either prednisone or prednisolone) to take alongside abiraterone. It is important that you take it regularly every day.

At a glance

  • Abiraterone is an anti-androgen medicine used for advanced prostate cancer.

  • It reduces male sex hormones, slowing cancer growth.

  • Take tablets on an empty stomach, at least one hour before food or two hours after.

  • Abiraterone is prescribed with prednisone or prednisolone to reduce side-effects.

  • You will need regular blood tests and blood pressure checks.

  • Common side-effects include urinary issues, swollen legs, diarrhoea, and high blood pressure.

  • If you have diabetes, heart problems, or kidney/liver issues, tell your doctor.

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About abiraterone

Tipo di medicinale

Un medicinale anti-androgeno

Utilizzato per

Cancro alla prostata avanzato

Chiamato anche

Zytiga®

Disponibile come

Compresse

In some men with prostate cancer, the cancer cells spread to parts of the body other than the prostate. When this happens, it is referred to as late, cancro alla prostata avanzato o metastatico. Le opzioni di trattamento per questo tipo di cancro includono tipicamente terapia ormonale, chirurgia, radioterapia e chemioterapia.

Abiraterone is a hormone treatment - it belongs to a group of medicines known as anti-androgens. This means that it reduces the amount of male sex hormones (called androgens) that your body produces. In prostate cancer, androgens are produced by your testicles (testes), by your adrenal glands, and in the tumour cells. Abiraterone reduces the amount of androgens produced by each of these, and this slows the growth of the cancer.

Abiraterone will be prescribed for you alongside another medicine, either prednisone oppure prednisolone. These medicines reduce the risk of unwanted effects from abiraterone treatment.

Sometimes a medicine may only be used in people with certain conditions if extra care is taken. For this reason, before you start taking abiraterone it is important that your doctor knows:

  • If you have been told you have high blood pressure, or low levels of potassium in your blood.

  • Se hai problemi al cuore o ai vasi sanguigni.

  • Se hai il diabete.

  • Se hai problemi con il funzionamento dei tuoi reni, o problemi con il funzionamento del tuo fegato.

  • Se stai assumendo o utilizzando altri medicinali. Questo include qualsiasi medicinale che stai assumendo e che è disponibile per l'acquisto senza prescrizione, così come i medicinali a base di erbe e complementari.

  • Se hai mai avuto una reazione allergica a un medicinale.

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  • Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about abiraterone and will provide you with a full list of the side-effects which you may experience from taking it.

  • Take abiraterone exactly as your doctor tells you to. The usual dose is two 500 mg tablets (1000 mg in total) taken together, once a day. Your dose will be printed on the label of the pack to remind you about what the doctor said to you.

  • You must take the tablets when your stomach is empty. This means that you should take abiraterone at least an hour before a mealtime, or wait until at least two hours after you have eaten. This is because taking abiraterone with food will increase the amount of the medicine in your blood in a way that isn't predictable, and this is likely to cause side-effects.

  • Take the tablets with a drink of water. Swallow the tablets whole - do not crush or break the tablets in order to swallow them.

  • Try to take abiraterone at the same time of day each day as this will help you to remember to take your doses regularly.

  • Se dimentichi di prendere una dose, assumerla appena te ne ricordi. Se non te ne ricordi fino al giorno successivo, salta la dose dimenticata. Non prendere due dosi insieme per recuperare una dose mancante.

  • Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress. You will need to have regular blood tests to check on the amount of potassium in your blood and how well your liver is working. Your doctor will also want to check your blood pressure routinely.

  • It is important that you continue to take the prednisone or prednisolone tablets that you will be prescribed alongside abiraterone. You should take these tablets regularly every day. Do not stop taking them unless your doctor tells you to.

  • If you have diabetes you will need to check your blood glucose more frequently as these tablets can increase the level of sugar in your blood. Your doctor will advise you about this.

  • If you are having an operation or dental treatment, tell the person carrying out the treatment which medicines you are taking. This is important because your dose of prednisone or prednisolone may need to be increased for a short while.

  • Abiraterone may harm an unborn child. This means that if you are having sex with a woman who could become pregnant, you must use a condom along with another effective birth control method. If you are having sex with a woman who is already pregnant, you must use a condom to protect the unborn child.

  • Se acquisti dei medicinali, verifica con un farmacista che siano sicuri da assumere insieme agli altri tuoi medicinali.

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Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with abiraterone. You will find a full list in the manufacturer's information leaflet supplied with your medicine. Speak with your doctor or pharmacist if you experience any symptoms which you think may be due to abiraterone.

Very common abiraterone side-effects (these affect more than 1 in 10 men)


Cosa posso fare se sperimento questo?

Feeling pain on passing urine or needing to pass urine more frequently

These may be signs that you have a urinary tract infection

Swollen legs, feet, or ankles (due to fluid retention)

Keep your feet elevated as much as possible

Diarrea

Bevi molta acqua

High blood pressure, low levels of potassium in your blood, increased levels of fats (triglycerides) in your blood, changes to your liver function test results

Your doctor will be monitoring your progress and will check for these

Common abiraterone side-effects

(questi colpiscono meno di 1 uomo su 10)

Cosa posso fare se sperimento questo?

Chest pain, feeling of a fast heartbeat, other heart problems

Let your doctor know

Indigestione

Attieniti a cibi semplici - evita pasti ricchi o piccanti

Infections, muscle pain, skin rash, blood in your urine

Let your doctor know

  • Tenere tutti i medicinali fuori dalla portata e dalla vista dei bambini.

  • Conservare in un luogo fresco e asciutto, lontano da fonti di calore e luce diretta.

Informazioni importanti su tutti i medicinali

Non assumere mai più della dose prescritta. Se sospetti che tu o qualcun altro possa aver assunto un sovradosaggio di questo medicinale, recati al pronto soccorso del tuo ospedale locale. Porta con te il contenitore, anche se è vuoto.

Questo medicinale è per te. Non darlo mai ad altre persone, anche se la loro condizione sembra essere la stessa della tua.

Non conservare medicinali scaduti o indesiderati. Portali alla tua farmacia locale che li smaltirà per te.

Se hai domande su questo medicinale, chiedi al tuo farmacista.

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Domande frequenti

Why do I need to take prednisone or prednisolone with abiraterone?

You will be prescribed either prednisone or prednisolone to take alongside abiraterone. These medicines are important because they help to reduce the risk of certain unwanted effects that can occur from abiraterone treatment. It's crucial to continue taking them regularly every day unless your doctor advises you otherwise.

What happens if I miss a dose of abiraterone?

If you forget to take a dose, you should take it as soon as you remember. However, if you don't remember until the following day, you should skip the forgotten dose completely. It's important never to take two doses together to try and make up for a missed one.

Why is it so important to take abiraterone on an empty stomach?

Abiraterone must be taken when your stomach is empty. This means you should take it at least one hour before eating a meal, or wait until at least two hours after you have eaten. Taking abiraterone with food can increase the amount of medicine in your blood in an unpredictable way, which could lead to more side-effects.

What kind of monitoring will I need while taking abiraterone?

Your doctor will schedule regular appointments to check on your progress. You will need to have routine blood tests to monitor the levels of potassium in your blood and to assess how well your liver is functioning. Your blood pressure will also be checked routinely during your treatment.

Can abiraterone affect blood sugar levels if I have diabetes?

Yes, if you have diabetes, you will need to check your blood glucose levels more frequently while taking abiraterone. This is because these tablets can increase the level of sugar in your blood. Your doctor will provide you with specific advice on how to manage this.

Are there any specific precautions if I need an operation or dental treatment?

Yes, if you are planning to have an operation or dental treatment, it's very important to inform the person carrying out the treatment about all the medicines you are taking, including abiraterone and the prednisone or prednisolone. This is because your dose of prednisone or prednisolone may need to be temporarily increased for a short period.

What should I do if my legs, feet, or ankles become swollen while taking abiraterone?

Swelling in your legs, feet, or ankles due to fluid retention is a very common side-effect of abiraterone. If you experience this, you should try to keep your feet elevated as much as possible to help reduce the swelling.

Ulteriori letture e riferimenti

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About the authorView full bio

Author image

Michael Stewart, MRPharmS

Medicine Leaflet Review Manager – Contractor, Pharmacist

BPharm (Hons), MRPharmS

Michael is a community pharmacist practicing in the Midlands and South Yorkshire with more than 20 years’ experience advising on medicines and medical conditions. He has a strong background in healthcare training, having produced and delivered training courses for pharmacy teams and staff of residential care settings, including nurses. He has also contributed to pharmacy advisory boards for the management of low acuity conditions in the community.

About the reviewer

Author image

Sid Dajani

Sultan Dajani qualified at the London School of Pharmacy in 1994 and became the youngest elected member of the Royal Pharmaceutical Society council since its founding in 1842.

Storia dell'articolo

Le informazioni su questa pagina sono scritte e revisionate da clinici qualificati.

  • Prossima revisione prevista: 24 Aprile 2027
  • 18 maggio 2024 | Ultima versione

    Ultimo aggiornamento di

    Michael Stewart, MRPharmS

    Revisione paritaria di

    Sid Dajani
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