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Zytiga®

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ZYTIGA® Patient Support

Supporting Treatment

Helping you help your patients get started with ZYTIGA® treatment as prescribed and supporting them along the way

Once you've determined that ZYTIGA® is right for your patients, we're committed to helping them get started on treatment and stay on track.

We understand how important it is for your patients to take their ZYTIGA® medication just as you've prescribed. Janssen CarePath provides ongoing support to help your patients stay on track with their ZYTIGA® treatment.

Janssen CarePath Account

Your patients can Sign Up or Log In to their personal Janssen CarePath Account so they can learn about support resources, get answers to questions about their insurance coverage, find affordability programs, and more.

Tools to help your patients track and meet their health and wellness goals

Care4Today® Connect is a helpful medication and appointment tracking and reminder tool designed to empower users to take an active role in their own health care. This application can enable users to track key health measures, providing support and motivation in between doctor visits in the following ways:

  • Delivers medication, medication refill, and appointment reminders
  • Enables users to record information such as exercise, etc.
  • Users can share self-reported data with healthcare professionals

Janssen Biotech, Inc., the maker of ZYTIGA®, does not endorse and is not responsible for the content of the Web site listed below, or the services provided by this organization. Clicking on the link below will take you to a Web site to which our Privacy Policy does not apply. We encourage you to read the Privacy Policy of every Web site you visit.

Advocacy Connector

AdvocacyConnector.com
This Web site provides links to a range of national and state-specific advocacy groups relevant to oncology.

Indication

ZYTIGA® (abiraterone acetate) in combination with prednisone is indicated for the treatment of patients

  • with metastatic castration-resistant prostate cancer (mCRPC)
  • with metastatic high-risk castration-sensitive prostate cancer (CSPC) 
Important Safety Information For ZYTIGA®

Contraindications - ZYTIGA® (abiraterone acetate) can cause fetal harm and potential loss of pregnancy.

Hypertension, Hypokalemia and Fluid Retention Due to Mineralocorticoid Excess -  ZYTIGA® may cause hypertension, hypokalemia, and fluid retention as a consequence of increased mineralocorticoid levels resulting from CYP17 inhibition [see Clinical Pharmacology (12.1)]. Monitor patients for hypertension, hypokalemia, and fluid retention at least once a month. Control hypertension and correct hypokalemia before and during treatment.

Closely monitor patients whose underlying medical conditions might be compromised by increases in blood pressure, hypokalemia or fluid retention, such as those with heart failure, recent myocardial infarction, cardiovascular disease, or ventricular arrhythmia. The safety of ZYTIGA® in patients with left ventricular ejection fraction <50% or New York Heart Association (NYHA) Class III or IV heart failure (in COU-AA-301) or NYHA Class II to IV heart failure (in COU-AA-302 and LATITUDE) has not been established because these patients were excluded from these randomized clinical trials [see Clinical Studies (14)].

Adrenocortical Insufficiency (AI) - AI was reported in patients receiving ZYTIGA® in combination with prednisone, after an interruption of daily steroids and/or with concurrent infection or stress. Monitor patients for symptoms and signs of AI if prednisone is stopped or withdrawn, if prednisone dose is reduced, or if the patient experiences unusual stress. Symptoms and signs of AI may be masked by adverse reactions associated with mineralocorticoid excess seen in patients treated with ZYTIGA®. Perform appropriate tests, if indicated, to confirm AI. Increased dosages of corticosteroids may be used before, during, and after stressful situations.

Hepatotoxicity - In postmarketing experience, there have been ZYTIGA®-associated severe hepatic toxicities, including fulminant hepatitis, acute liver failure and deaths. Measure serum transaminases alanine aminotransferase (ALT and AST) and bilirubin levels prior to starting treatment with ZYTIGA®, every two weeks for the first three months of treatment, and monthly thereafter. In patients with baseline moderate hepatic impairment receiving a reduced ZYTIGA® dose of 250 mg, measure ALT, AST, and bilirubin prior to the start of treatment, every week for the first month, every two weeks for the following two months of treatment and monthly thereafter. Promptly measure serum total bilirubin, AST, and ALT if clinical symptoms or signs suggestive of hepatotoxicity develop. Elevations of AST, ALT, or bilirubin from the patient’s baseline should prompt more frequent monitoring. If at any time AST or ALT rise above five times the upper limit of normal (ULN) or the bilirubin rises above three times the ULN, interrupt ZYTIGA® treatment and closely monitor liver function. Re-treatment with ZYTIGA® at a reduced dose level may take place only after return of liver function tests to the patient’s baseline or to AST and ALT less than or equal to 2.5X ULN and total bilirubin less than or equal to 1.5X ULN [See Dosage and Administration (2.4)].

Permanently discontinue ZYTIGA® for patients who develop a concurrent elevation of ALT greater than 3X ULN and total bilirubin greater than 2X ULN in the absence of biliary obstruction or other causes responsible for the concurrent elevation.

The safety of ZYTIGA® re-treatment of patients who develop AST or ALT greater than or equal to 20X ULN and/or bilirubin greater than or equal to 10X ULN is unknown.

Adverse Reactions - The most common adverse reactions (≥10%) are fatigue, arthralgia, hypertension, nausea, edema, hypokalemia, hot flush, diarrhea, vomiting, upper respiratory tract infection, cough, and headache.

The most common laboratory abnormalities (>20%) are anemia, elevated alkaline phosphatase, hypertriglyceridemia, lymphopenia, hypercholesterolemia, hyperglycemia and hypokalemia.

Drug Interactions - Based on in vitro data, ZYTIGA® is a substrate of CYP3A4. In a drug interaction trial, co-administration of rifampin, a strong CYP3A4 inducer, decreased exposure of abiraterone by 55%. Avoid concomitant strong CYP3A4 inducers during ZYTIGA® treatment. If a strong CYP3A4 inducer must be co-administered, increase the ZYTIGA® dosing frequency only during the co-administration period [see Dosage and Administration (2.3)]. In a dedicated drug interaction trial, co-administration of ketoconazole, a strong inhibitor of CYP3A4, had no clinically meaningful effect on the pharmacokinetics of abiraterone.

ZYTIGA® is an inhibitor of the hepatic drug-metabolizing enzymes CYP2D6 and CYP2C8. Avoid co-administration with CYP2D6 substrates with a narrow therapeutic index. If alternative treatments cannot be used, consider a dose reduction of the CYP2D6 substrate drug. In a CYP2C8 drug interaction trial in healthy subjects, the AUC of pioglitazone, a CYP2C8 substrate, was increased by 46% when administered with a single dose of ZYTIGA®. Patients should be monitored closely for signs of toxicity related to a CYP2C8 substrate with a narrow therapeutic index if used concomitantly with ZYTIGA®.

Use in Specific Populations

  • Females and Males of Reproductive Potential: Advise males with female partners of reproductive potential to use effective contraception.
  • Do not use ZYTIGA® in patients with baseline severe hepatic impairment (Child-Pugh Class C).

Please read the full Prescribing Information and Patient Information for ZYTIGA®.

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