Connect with Kyowa Kirin Cares

Call 833-KK-CARES (833-552-2737) Monday through Friday, 8 am to 8 pm (ET), to speak with a Kyowa Kirin Cares oncology nurse.

Access and reimbursement

Get help navigating financial options

Talk to your healthcare provider about enrolling in Kyowa Kirin Cares to receive assistance navigating access and reimbursement options for Poteligeo® (mogamulizumab-kpkc). As soon as you both enroll, you will be assigned a dedicated oncology nurse who will help you understand your financial options based on your insurance coverage.

Commercial insurance

If you have commercial insurance, you may be eligible to receive co-pay assistance. Review the terms and conditions to learn if you qualify.a,b

Government insurance

“If you have government or military insurance, a Case Manager” will be able to walk you through potential financial support options.c Please refer to the information below for savings options through Medicare.

No insurance

If you do not have insurance, you may be eligible for a Patient Assistance Program. Review the terms and conditions to learn if you qualify.d

If you have Medicare Part D, you may be able to get "Extra Help" with prescription medicine costs through the Extra Help program.§

Extra Help is designed to help people who are on Medicare with a limited income. The program provides a range of financial assistance for prescription drug costs. Benefits may include:

  • Help with your monthly premiums
  • Reduced or no annual deductible
  • $0 or reduced costs on brand-name drugs
  • No gap in coverage ("donut hole")

To learn more:
Call 1-800-MEDICARE(1-800-633-4227; TTY users call 1-877-486-2048) or visit

aPatients must be US residents with an active primary commercial plan; patients with federal or state government insurance such as Medicare, Medicaid, and Tricare are not eligible for co-pay assistance. Other terms and conditions may apply.

bCommercially insured patients do not need to participate in Kyowa Kirin Cares to be eligible for co-pay assistance.

cSelect government- and military-insured patients who are experiencing financial and/or medical hardship may be eligible to receive assistance through a Patient Assistance Program. Kyowa Kirin recognizes that exceptions need to be made based on a patient's individual circumstances. If patients do not meet the coverage criteria and there are special circumstances of financial and/or medical hardship that apply to their situation, they can request that an exception be made for them.

dPatients must be US residents with no active medical or pharmacy benefit insurance and an annual gross income ≤400% of the federal poverty level, confirmed by electronic income verification response or documented proof of income.

Call 833-KK-CARES (833-552-2737)

Monday through Friday, 8 am to 8 pm (ET)

Ongoing support

Receive personalized and ongoing support

Kyowa Kirin Cares is committed to supporting you throughout your journey with Poteligeo. Your dedicated oncology nurse can support you by:

Answering general questions about Poteligeo

Helping you stay on track with your treatments

Providing educational tools and resources

Calling routinely to check in and offer support

Work closely with your Kyowa Kirin Cares oncology nurse and healthcare provider to ensure you are receiving the support you need throughout your journey with POTELIGEO.

POTELIGEO resources

Get your hands on important forms and resources

Access Kyowa Kirin Cares forms as well as useful POTELIGEO information and resources.

Patient assistance program

If you’re uninsured, you may qualify for a Patient Assistance Program. Download and fill out this form with your healthcare provider who will then fax it to Kyowa Kirin Cares to determine eligibility.


Visit the POTELIGEO website to learn more about how Poteligeo works, details around the Poteligeo infusion schedule, and tips for making the most of your infusion time.

More Than Skin Deep

This guide may help you understand more about how POTELIGEO works and what “drug eruption” means. You’ll learn what kind of skin reaction to look for, how and when it could appear, what to expect, and how to talk about it with your healthcare provider.

Staying on Track

This guide shows you how POTELIGEO works, when to expect results, what symptoms and side effects to look for, and how to track them over time. It also features a body scanning exercise after the tracker to pinpoint the exact location on your body where you’re noticing something during your treatment.

Doctor discussion guide

If you're considering POTELIGEO, use this guide to start the conversation with your healthcare provider.

What is POTELIGEO® (mogamulizumab-kpkc)?

POTELIGEO is a prescription medicine used to treat mycosis fungoides (MF) or Sézary syndrome (SS) in adults who have tried at least one prior medicine (taken by mouth or injection) that did not work or in whom the disease has come back.

Important Safety Information

What is the most important information I should know about POTELIGEO?

POTELIGEO is a prescription medicine used to treat mycosis fungoides (MF) or Sézary syndrome (SS) in adults who have tried at least one prior medicine (taken by mouth or injection) that did not work or in whom the disease has come back.

Call or see your healthcare provider right away if you develop any symptoms of the following problems or if these symptoms get worse:

  • Skin problems: Signs and symptoms of skin reactions may include skin pain, itching, skin blistering or peeling, rash, painful sores or ulcers in your mouth, nose, throat or genital area.

  • Infusion reactions: Signs and symptoms of infusion reactions may include chills or shaking, redness on your face (flushing), itching or rash, shortness of breath, coughing or wheezing, dizziness, feeling like passing out, tiredness, fever.

  • Infections: Signs and symptoms of infection may include fever, sweats or chills, nausea, flu-like symptoms, sore throat or difficulty swallowing, shortness of breath, diarrhea or stomach pain, cough.

  • Autoimmune complications: Some people receiving POTELIGEO may develop autoimmune problems, and some people who already have an autoimmune disease may get worse during treatment with POTELIGEO.

  • Complications of stem cell transplant: Patients who receive a stem cell transplant using donor stem cells (allogeneic) after treatment with POTELIGEO may experience complications that can be severe and lead to death. Your healthcare provider will monitor you for signs of complications if you have an allogeneic stem cell transplant.

What are the most common side effects of POTELIGEO?

The most common side effects of POTELIGEO include rash, tiredness, diarrhea, muscle and bone pain, and upper respiratory tract infection.

Before starting POTELIGEO treatment, tell your doctor about all your medical conditions, including whether you

  • have had a severe skin reaction after receiving POTELIGEO

  • have had an infusion reaction during or after receiving POTELIGEO

  • have or have had liver problems including hepatitis B (HBV) infection

  • have a history of autoimmune problems

  • have undergone or plan to have a stem cell transplant, using cells from a donor

  • have lung or breathing problems

  • are pregnant or plan to become pregnant

    • It is not known if POTELIGEO will harm your unborn baby

  • are breastfeeding or plan to breastfeed

    • Talk to your healthcare provider about the best way to feed your baby during treatment with POTELIGEO

Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

You are encouraged to report suspected adverse reactions to Kyowa Kirin, Inc. at 1-844-768-3544 or FDA at 1-800-FDA-1088 or

Please see Patient Information.