

A practical guide for oncologists and urologists on helping patients find Zytiga in stock, navigate specialty pharmacies, and avoid treatment gaps.
You've made the clinical decision. Abiraterone Acetate is the right therapy for your patient's metastatic prostate cancer. You write the prescription and send them on their way. But a week later, the patient calls back: they can't find it. Their pharmacy doesn't carry it. Their insurance is slow-walking the authorization. They're worried about a gap in treatment.
This scenario plays out in oncology practices across the country every day. Zytiga (Abiraterone Acetate) is not in shortage, but the specialty pharmacy distribution model and insurance requirements can make it feel that way to patients. As a prescriber, you're in a unique position to prevent these access barriers from becoming treatment interruptions.
Here's a practical, step-by-step approach.
As of early 2026, the supply picture for Zytiga and generic Abiraterone Acetate is stable:
The access challenges patients face are structural — not supply-driven. This distinction matters because the solutions are different from those you'd employ during a true shortage.
Understanding the specific barriers helps you intervene more effectively:
Zytiga is a high-cost specialty medication with a monthly cash price of $12,000 to $14,000 for the brand name. Most retail pharmacies — including national chains — do not maintain standing inventory for drugs at this price point. Patients who take their prescription to a Walgreens or CVS will almost always be told the drug isn't available.
For patients new to Zytiga, the specialty pharmacy enrollment process can take several days to over a week. This includes benefits verification, prior authorization, and intake calls. Patients who aren't familiar with this process may assume something is wrong.
PA processing for Zytiga typically takes 3 to 14 business days. Incomplete documentation is the most common cause of delays. Plans may require proof of mCRPC or mCSPC diagnosis, concurrent GnRH analog use, and planned prednisone co-therapy.
Even with insurance, specialty tier copays can exceed $500 per month. Patients who see these numbers at the pharmacy counter may walk away without filling the prescription — and they don't always tell you.
Don't send Zytiga prescriptions to retail pharmacies. Identify 2-3 specialty pharmacies that your practice works with and route prescriptions directly to them. Most EHR systems allow you to save preferred specialty pharmacies for oncology medications.
If you're unsure which specialty pharmacies carry Abiraterone Acetate, Medfinder for Providers can help you identify pharmacies with current stock.
The single most impactful thing you can do to prevent access delays is submit the PA simultaneously with the prescription. Don't wait for the pharmacy to request it. Include:
Use electronic prior authorization (ePA) when available — it significantly reduces turnaround time compared to fax-based submissions.
Before the patient leaves your office, discuss the potential cost and connect them with financial assistance:
Have your patient navigator or social worker initiate these applications before the first fill. Waiting until the patient hits a cost wall at the pharmacy is too late.
Generic Abiraterone Acetate is therapeutically equivalent to brand-name Zytiga, is typically less expensive, and may be stocked by a wider range of specialty pharmacies. Unless there's a specific clinical reason for brand-name Zytiga, prescribing generically (or allowing substitution) gives patients and pharmacies more flexibility.
Remember that Yonsa requires a separate prescription — it is not an AB-rated generic substitute for Zytiga and has different dosing (500 mg daily vs. 1,000 mg).
Treatment interruptions often happen at refill time, not at initiation. Build reminders into your practice workflow:
If a patient truly cannot access Abiraterone Acetate despite your best efforts, the following alternatives may be considered based on the patient's disease state and treatment history:
Note that switching drug classes may require different monitoring protocols, and patients should be counseled about different side effect profiles.
Zytiga access in 2026 is a solvable problem when the right workflows are in place. The drug is available — the challenge is navigating the specialty pharmacy and insurance infrastructure that sits between your prescription pad and your patient's medicine cabinet.
By routing prescriptions to specialty pharmacies from the start, submitting PAs proactively, screening for financial barriers early, and building refill protocols into your practice workflow, you can significantly reduce the risk of treatment interruptions for your patients on Abiraterone Acetate.
For the latest availability data, visit Medfinder for Providers.
You focus on staying healthy. We'll handle the rest.
Try Medfinder Concierge FreeMedfinder's mission is to ensure every patient gets access to the medications they need. We believe this begins with trustworthy information. Our core values guide everything we do, including the standards that shape the accuracy, transparency, and quality of our content. We’re committed to delivering information that’s evidence-based, regularly updated, and easy to understand. For more details on our editorial process, see here.