RUBRACA is a type of drug called a poly (adenosine diphosphate-ribose) polymerase inhibitor, otherwise known as a PARP inhibitor (PARPi)1

RUBRACA may be used to treat prostate cancer in patients who meet the following requirements1: 


  • Cancer has spread to other parts of the body (metastasized)
  • Cancer is no longer responding to medical or surgical treatment that lowers testosterone (castration resistant)
  • Based on genetic testing, you are positive for one of the BRCA gene mutations (BRCA1 or BRCA2)

Your healthcare provider may perform a genetic test to make sure RUBRACA is right for you.

RUBRACA is the ONLY PARPi that can be used alone, before OR after receiving chemotherapy, and after ANY androgen receptor pathway inhibitor (ARPI)1-4*
*Patients should also receive a type of medication called a gonadotropin-releasing hormone (GnRH) analog, or they should have undergone surgical removal of both testicles (a process called bilateral orchiectomy).
RUBRACA pill bottle with two c3 pills in front.

RUBRACA is flexible, with dosing adjustments available based on how well you tolerate treatment1

RUBRACA offers different dose levels, with 3 dosage strengths to help manage tolerability

  • 2 tablets taken twice a day, 12 hours apart
  • Ability to be taken with or without food
  • If you miss a dose or vomit, take your next dose at your usual scheduled time. Do not take an extra dose to make up for a missed dose
  • You may be directed to take RUBRACA along with other medications that treat prostate cancer
  • RUBRACA may interact with other medications you are taking. Be sure to tell your doctor about all of the medications you take to determine if any adjustments are needed while taking RUBRACA
  • Always take RUBRACA as directed by your doctor. Do not stop treatment without speaking with your healthcare team first
In the Phase 3 study:
  • A majority of patients (86%) did not need to stop taking RUBRACA due to adverse reactions
  • Most patients (64%) did not need to lower their dose of RUBRACA
It’s very important to alert your doctor about any missed doses or side effects you experience, as dose changes or other adjustments may be needed1

FIND OUT HOW RUBRACA WORKS

LEARN MORE

BRCA, BReast CAncer gene.

REFERENCES: 1. RUBRACA (rucaparib). Prescribing Information. pharmaand GmbH. 2025. 2. Lynparza (olaparib). Prescribing Information. AstraZeneca Pharmaceuticals LP. 2025. 3. Akeega (niraparib and abiraterone acetate). Prescribing Information. Janssen Biotech, Inc. 2025. 4. Talzenna (talazoparib). Prescribing Information. Pfizer Inc. 2025.
Tap for safety information

IMPORTANT SAFETY INFORMATION

What is RUBRACA® (rucaparib) used for?

RUBRACA tablets are a prescription medicine used in adults for:

  • The treatment of castration-resistant prostate cancer (prostate cancer that no longer responds to medical or surgical treatment that lowers testosterone):
    • That has spread to other parts of the body (metastatic), and
    • Has a certain type of inherited (germline) or acquired (somatic) abnormal BRCA gene, and you have been treated with certain medicines for your cancer.
  • Your healthcare provider will perform a test to make sure RUBRACA is right for you.

It is not known if RUBRACA is safe and effective in children.

What Warnings should you know about RUBRACA?

RUBRACA tablets may cause serious side effects including: Bone marrow problems called Myelodysplastic Syndrome (MDS) or a type of cancer of the blood called Acute Myeloid Leukemia (AML). Some people who have cancer and who have received previous treatment with chemotherapy or certain other medicines for their cancer have developed MDS or AML during or after treatment with RUBRACA. MDS or AML may lead to death. If you develop MDS or AML, your healthcare provider will stop treatment with RUBRACA. Symptoms may include weakness, weight loss, fever, frequent infections, blood in urine or stool, shortness of breath, feeling very tired, bruising or bleeding more easily. Symptoms of low blood cell counts are common during treatment with RUBRACA, but can be a sign of serious problems, including MDS or AML.

Before you take RUBRACA, tell your healthcare provider about all of your medical conditions, including if you are a male with a female partner who is pregnant or able to become pregnant, effective birth control should be used during treatment and for 3 months after the last dose of RUBRACA. Do not donate sperm during use and for 3 months after the last dose of RUBRACA.

What other important information should I know about RUBRACA?

Your healthcare provider will do blood tests before and every month during treatment with RUBRACA to monitor your blood cell counts. Weekly blood tests will be performed if you have low blood cell counts for a long time. Your healthcare provider may stop treatment with RUBRACA until your blood cell counts improve.

Avoid spending time in sunlight while on RUBRACA since your skin may become more sensitive to the sun and may sunburn more easily. You should wear a hat and clothes that cover your skin and use sunscreen to help protect against sunburn if you have to be in the sunlight.

What are the side effects of RUBRACA?

The most common side effects of RUBRACA in people with prostate cancer include: tiredness or weakness, muscle and joint pain, nausea, decrease in hemoglobin (anemia), decreased appetite, changes in liver and kidney function tests, constipation, diarrhea, vomiting, low blood cell counts, shortness of breath, swelling in your legs and feet, dizziness, decreased weight, stomach area (abdominal) pain, changes in how food tastes, rash, tingling sensation and numbness, cough, headache, urinary tract infection, bleeding, photosensitivity reaction.

These are not all the possible side effects of RUBRACA. Call your healthcare provider for medical advice about side effects.

What other medications might interact with RUBRACA?

RUBRACA can increase the amounts of other medications you may be taking, which can increase the risk of side effects. Tell your healthcare provider about all your medical conditions and all medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

You may report side effects to the FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. You may also report side effects to pharma& at 1-800-506-8501.

  • This information is not comprehensive.
    • How to get more information:
      • Talk to your health care provider or pharmacist.
      • Visit www.rubracaprostate.com to obtain the FDA-approved product labeling.

Please see full Prescribing Information for RUBRACA.

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