STILL EXPLORING


34.7 median OS1 MONTHS


94.9% 48% YEARS


4+ WITH


of patients treated with ZYTIGA® plus low-dose prednisolone did not experience grade 3 or 4 corticosteroid- associated adverse event2


reduction in the risk of radiographic progression3


of median follow up ZYTIGA maintains a favourable safety profi le and is generally well-tolerated1


ZYTIGA® 250 mg Tablets PRESCRIBING INFORMATION


ACTIVE INGREDIENT(S): Abiraterone acetate. Please refer to Summary of Product Characteristics (SmPC) before prescribing. INDICATION(S): Taken with prednisone or prednisolone for the treatment of metastatic castration resistant prostate cancer in adult men who are asymptomatic or mildly symptomatic after failure of androgen deprivation therapy in whom chemotherapy is not yet clinically indicated. The treatment of metastatic castration resistant prostate cancer in adult men whose disease has progressed on or after a docetaxel-based chemotherapy regimen. DOSAGE & ADMINISTRATION: Adults: 1000 mg (4 tablets) single daily dose. Not with food as this increases the systemic exposure (take dose at least two hours after eating; no food for at least one hour post-dose). Swallow whole with water. Take with recommended dose of prednisone or prednisolone of 10 mg daily. Medical castration with LHRH analogue should be continued during treatment in patients not surgically castrated. Children: No relevant use. Hypokalaemia: In patients with pre-existing, or who develop hypokalaemia during treatment with Zytiga, consider maintaining potassium level at ≥4.0 mM. Patients who develop Grade ≥ 3 toxicities (hypertension, hypokalaemia, oedema and other non- mineralocorticoid toxicities) stop treatment and start appropriate medical management. Do not restart Zytiga until symptoms of the toxicity have resolved to Grade 1 or baseline. Renal impairment: No dose adjustment, however no experience in patients with prostate cancer and severe renal impairment; caution advised. Hepatotoxicity: If hepatotoxicity develops (ALT or AST >5x upper limit of normal - ULN), stop treatment immediately until liver function returns to baseline; restart Zytiga at 500 mg (2 tablets) once daily and monitor serum transaminases at least every 2 weeks for 3 months and monthly thereafter (see Special warnings & precautions). If hepatotoxicity recurs on reduced dose, stop treatment. If severe hepatotoxicity develops (ALT or AST 20xULN), discontinue Zytiga and do not restart. Hepatic impairment: Mild (Child-Pugh class A) - no dose adjustment required. Moderate (Child-Pugh class B) - approximately 4x increased systemic exposure after single oral doses of 1,000 mg. Moderate/Severe (Child-Pugh class B or C) – no clinical data for multiple doses. Use with caution in moderate impairment, benefi t should clearly outweigh risk. CONTRAINDICATIONS: Pregnancy or potential to be pregnant. Hypersensitivity to active substance or any excipients. Severe hepatic impairment (Child-Pugh Class C). SPECIAL WARNINGS & PRECAUTIONS: Zytiga may cause hypertension, hypokalaemia and fl uid retention due to increased mineralocorticoid levels. Cardiovascular: Caution in patients with history of cardiovascular disease. In patients with a signifi cant risk for congestive heart failure (history of cardiac failure, uncontrolled hypertension, ischaemic heart disease) consider an assessment of cardiac function before treating (echocardiogram). Safety not established in patients with left ventricular ejection fraction < 50% or NYHA Class II to IV (pre-chemotherapy) and III or IV (post-chemotherapy) heart failure. Before treatment cardiac failure should be treated and cardiac function optimised. Correct and control Hypertension, hypokalaemia and fl uid retention pre-treatment. Caution in patients whose medical conditions might be compromised by hypertension, hypokalaemia or fl uid retention e.g. heart failure, severe or unstable angina pectoris, recent myocardial infarction or ventricular arrhythmia, severe renal impairment. Monitor blood pressure, serum potassium and fl uid retention and other signs and symptoms of congestive heart failure before treatment, then every two weeks for 3 months, and monthly thereafter. QT prolongation observed in patients experiencing hypokalaemia with Zytiga treatment. Consider discontinuation if there is a clinically signifi cant decrease in cardiac function. Hepatotoxicity & hepatic impairment: Measure serum transaminases pre-treatment and every two weeks for fi rst three months, then monthly. If symptoms/signs suggest hepatotoxicity, immediately measure serum transaminases. If ALT or AST > 5x ULN, stop treatment and monitor liver function. Restart treatment after liver function returns to baseline; use reduced dose (see dosage and administration). No clinical data in patients with active or symptomatic viral hepatitis. Rare reports of acute liver failure and hepatitis fulminant, some fatal. Corticosteroid withdrawal: Monitor for adrenocortical insuffi ciency if prednisone or prednisolone is withdrawn. Monitor for mineralocorticoid excess if Zytiga continued after corticosteroids withdrawn. Bone density: Decreased bone density may be accentuated by Zytiga plus glucocorticoid. Prior use of ketoconazole: Lower response rates may occur in patients previously treated with ketoconazole for prostate cancer. Hyperglycaemia: Use of glucocorticoids could increase hyperglycaemia, measure blood sugar frequently in patients with diabetes. Use with chemotherapy: Safety and effi cacy of concomitant use of Zytiga with cytotoxic chemotherapy not established. Intolerance to excipients: Not to be taken by patients with galactose intolerance, Lapp lactase defi ciency or glucose-galactose malabsorption. Take sodium content into account for those on controlled sodium diet. Potential risks: Anaemia and sexual dysfunction may occur in men with metastatic castration resistant prostate cancer including those taking Zytiga. Skeletal muscle eff ects: Cases of


myopathy reported. Some patients had rhabdomyolysis with renal failure. Caution is recommended in patients concomitantly treated with drugs known to be associated with myopathy/rhabdomyolysis. SIDE EFFECTS: Very common: urinary tract infection, hypokalaemia, hypertension, diarrhoea, peripheral oedema. Common: sepsis, hypertriglyceridaemia, cardiac failure (including congestive heart failure, left ventricular dysfunction and decreased ejection


fraction), angina pectoris, arrhythmia, atrial fi brillation, tachycardia, dyspepsia, increased alanine


aminotransferase, increased aspartate aminotransferase, rash, haematuria, fractures (includes all fractures with the exception of pathological fracture). Other side eff ects: adrenal insuffi ciency, myocardial infarction, QT prolongation, hepatitis fulminant, acute hepatic failure, myopathy, rhabdomyolysis. Refer to SmPC for other side eff ects. FERTILITY/ PREGNANCY/ LACTATION: Not for use in women. Not known whether abiraterone or its metabolites are present in semen. A condom is required if the patient is engaged in sexual activity with a pregnant woman. If the patient is engaged in sexual activity with a woman of childbearing potential, a condom is required along with another eff ective contraceptive method. Studies have shown that abiraterone aff ected fertility in male and female rats, but these eff ects were fully reversible. INTERACTIONS: Caution with drugs activated by or metabolised by CYP2D6 particularly when there is a narrow therapeutic index e.g. metoprolol, propranolol, desipramine, venlafaxine, haloperidol, risperidone, propafenone, fl ecanide, codeine, oxycodone and tramadol. Avoid strong inducers of CYP3A4 (e.g. phenytoin, carbamazepine, rifampicin, rifabutin, rifapentine, phenobarbital, St John’s wort). Zytiga is a CYP2C8 inhibitor (in vitro data). Examples of medicinal products metabolised by CYP2C8 incl paclitaxel, repaglinide. No clinical data are available on the use of Zytiga with CYP2C8 substrates. May increase concentrations of drugs eliminated by OATP1B1. Food (see Dosage & Administration). Caution with medicines known to prolong QT interval or induce Torsade de pointes e.g. quinidine, disopyramide, amiodarone, sotalol, dofetilide, ibutilide, antiarrhythmic medicinal products, methadone, moxifl oxacin and antipsychotics. Use of Zytiga with spironolactone is not recommended. Refer to SmPC for full details of interactions. LEGAL CATEGORY: Prescription only medicine. PRESENTATIONS, PACK SIZES & MARKETING AUTHORISATION NUMBERS: Bottle, 120 tablets, EU/1/11/714/001. MARKETING AUTHORISATION HOLDER: JANSSEN- CILAG INTERNATIONAL NV, Turnhoutseweg 30, B-2340 Beerse, Belgium. FURTHER INFORMATION IS AVAILABLE FROM: Janssen-Cilag Limited, 50-100 Holmers Farm Way, High Wycombe, Buckinghamshire, HP12 4EG, UK.


Prescribing information last revised: May 2016


Adverse events should be reported. Healthcare professionals are asked to report any suspected adverse events via: HPRA Pharmacovigilance, Earlsfort Terrace, IRL - Dublin 2, Tel: +353 1 6764971, Fax: +353 1 6762517, Website: www.hpra.ie, E-mail: medsafety@hpra.ie. Adverse events should also be reported to Janssen-Cilag Limited on +44 1494 567447 or at dsafety@its.jnj.com.


© Janssen-Cilag Limited 2016


References: 1. Ryan CJ, et al. Abiraterone acetate plus prednisone versus placebo plus prednisone in chemotherapy-naive men with metastatic castration-resistant prostate cancer (COU-AA-302): fi nal overall survival analysis of a randomised, double-blind, placebo controlled phase 3 study. Lancet Oncol 2015; 16: 152–60. 2. Fizazi, K., et al (2015). ASCO GU 2015 (abstract 169). 3. Rathkopf, DE et al. Updated Interim Effi cacy Analysis and Long-term Safety of Abiraterone Acetate in Metastatic Castration-resistant Prostate Cancer Patients Without Prior Chemotherapy (COU-AA-302). Eur Urol (2014), http://dx.doi.org/10.1016/j. eururo.2014.02.056.


Date of Preparation: June 2016 | PHIR/ZYT/1014/0004(4)


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