Abiraterone per il cancro alla prostata
Zytiga
Revisione paritaria di Sid DajaniUltimo aggiornamento di Michael Stewart, MRPharmSUltimo aggiornamento 18 maggio 2024
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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.
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.
Before taking abiraterone
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.
How to take abiraterone
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.
Ottenere il massimo dal tuo trattamento
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.
Can abiraterone cause problems?
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 | Informa il tuo medico |
Indigestione | Attieniti a cibi semplici - evita pasti ricchi o piccanti |
Infections, muscle pain, skin rash, blood in your urine | Informa il tuo medico |
How to store abiraterone
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
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.
Segnala effetti collaterali di un medicinale o vaccino
Se si verificano effetti collaterali, è possibile segnalarli online tramite il Sito web Yellow Card.
Domande frequenti
What is the specific role of the prednisone or prednisolone I take with abiraterone?
Abiraterone is prescribed alongside another medicine, either prednisone or prednisolone. These medicines are given to reduce the risk of unwanted effects that can arise from abiraterone treatment.
If I am diabetic, how might abiraterone treatment affect my blood sugar?
If you have diabetes, it is important to know that the prednisone or prednisolone tablets taken with abiraterone can increase the level of sugar in your blood. Your doctor will advise you to check your blood glucose more frequently to monitor this.
Can I crush or break abiraterone tablets if I find them difficult to swallow whole?
No, you must swallow the abiraterone tablets whole. Do not crush or break them in order to swallow them.
What should I do if I normally take abiraterone on an empty stomach but accidentally eat soon after?
The article states that you must take the tablets when your stomach is empty, at least an hour before a meal or two hours after eating. Taking abiraterone with food increases the amount of medicine in your blood in an unpredictable way, which is likely to cause side-effects. If you have accidentally eaten soon after taking it, you should consult your doctor or pharmacist for advice.
What should I do if I need to have an operation or dental work while taking abiraterone?
It is important to inform the person carrying out the operation or dental treatment about all the medicines you are taking, including abiraterone and the accompanying prednisone or prednisolone. This is because your dose of prednisone or prednisolone may need to be temporarily increased for a short period.
How should I dispose of any leftover or expired abiraterone tablets?
Do not keep out-of-date or unwanted medicines at home. You should take them to your local pharmacy, which will dispose of them for you safely.
Ulteriori letture e riferimenti
- Manufacturer's PIL, Zytiga® 500 mg tablets; Janssen-Cilag Ltd, The electronic Medicines Compendium. Dated September 2021.
- Medicinali Completi BNF 89ª Edizione; Associazione Medica Britannica e Società Farmaceutica Reale di Gran Bretagna, Londra.
Informazioni sul recensore

Sid Dajani
Sultan Dajani si è laureato alla London School of Pharmacy nel 1994 ed è diventato il più giovane membro eletto del consiglio della Royal Pharmaceutical Society dalla sua fondazione nel 1842.
Storia dell'articolo
Articolo disponibile anche in Inglese, Tedesco, Spagnolo, Francese, Italiano, Portoghese, Hindi, Ebraico, Arabo, and Svedese.
Prossima revisione prevista: 24 Aprile 2027
18 maggio 2024 | Ultima versione
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