Nplate® romiplostim
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Prescribing Information &
Medication Guide		 Important Safety
Information		 The Nplate® NEXUS
Program

ITP Questions to Ask Your Doctor

Some questions you may want to ask your healthcare provider when discussing treatment options:

  • What are my treatment options?
  • What are the benefits and side effects of these treatments?
  • Are there any considerations I should have when taking this ITP treatment alone, with other medications, or with nutritional supplements?
  • How does Nplate® differ from other ITP medications?
  • How long will it be before I know the treatment is working?
  • How frequently do I need to receive this treatment?
  • How often do I have to get my platelet counts checked on this treatment?
  • Are there any symptoms or problems I might have during treatment that I should immediately tell my healthcare provider about?

What should I tell my healthcare provider before taking Nplate®?

Tell your healthcare provider about all your medical conditions, including if you:

  • Have had surgery to remove your spleen (splenectomy).
  • Have a bone marrow problem, including a blood cancer or myelodysplastic syndrome (MDS).
  • Have or had a blood clot.
  • Have bleeding problems.
  • Are pregnant, think you may be pregnant, or plan to get pregnant. It is not known if Nplate® will harm an unborn baby.
  • Are breast-feeding or plan to breast-feed. It is not known if Nplate® passes into your breast milk. You and your healthcare provider should decide whether you will take Nplate® or breast-feed. You should not do both.

    Tell your healthcare provider about all the medicines you take, including prescription medicines, over-the-counter (OTC) medicines, supplements, and herbal products. Know the medicines you take. Keep a list of them and show it to your healthcare provider and pharmacist when you get a new medicine.1

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Indication

Nplate® is a man-made protein medicine used to treat low blood platelet counts in adults with chronic immune (idiopathic) thrombocytopenic purpura (ITP) when other medicine to treat your ITP is not the best choice for you or surgery to remove the spleen has not worked well enough. Nplate® is used to try to keep your platelet count about 50,000 per microliter in order to lower the risk for bleeding. Nplate® is not used to make your platelet count normal.

Important Safety Information

What is the most important information I should know about Nplate®?

Nplate® can cause uncommon but serious side effects:

Bone marrow changes (increased reticulin and possible bone marrow fibrosis). Long-term use of Nplate® may cause changes in your bone marrow. These changes may lead to abnormal blood cells or your body making less blood cells. The mild form of these bone marrow changes is called "increased reticulin." It is not known if this may progress to a more severe form called "fibrosis." The mild form may cause no problems while the severe form may cause life-threatening blood problems. Signs of bone marrow changes may show up as abnormalities in your blood tests. Your healthcare provider will decide if abnormal blood tests mean that you should have bone marrow tests or if you should stop taking Nplate®.

Worsening low blood platelet count (thrombocytopenia) and risk of bleeding shortly after stopping Nplate®. When you stop receiving Nplate®, your low blood platelet count (thrombocytopenia) may become worse than before you started receiving Nplate®. These effects are most likely to happen shortly after stopping Nplate® and may last about 2 weeks. The lower platelet counts during this time period may increase your risk of bleeding, especially if you are taking a blood thinner or other medicine that affects platelets. Your healthcare provider will check your blood platelet counts for at least two weeks after you stop taking Nplate®. Call your healthcare provider right away to report any bruising or bleeding.

High platelet counts and higher chance for blood clots. You have a higher chance of getting a blood clot if your platelet count is too high during treatment with Nplate®. You may have severe complications or die from some forms of blood clots, such as clots that spread to the lungs or that cause heart attacks or strokes. Your healthcare provider will check your blood platelet counts and change your dose or stop Nplate® if your platelet counts get too high.

Worsening of blood cancers. Nplate® is not for use in patients with blood cancer or a precancerous condition called myelodysplastic syndrome (MDS). If you have one of these conditions, Nplate® may worsen your cancer or condition and may cause you to die sooner.

Lack or loss of response: If you do not experience results from Nplate® your body may have created cells that are counteractive to Nplate®. Your healthcare provider will monitor your platelet counts and test your blood regularly to determine if this is an issue. Your healthcare provider will check your platelet count every week and change your dose of Nplate® as needed. This will continue until your healthcare provider decides that your dose of Nplate® can stay the same. After that, you will need to have blood tests every month. When you stop receiving Nplate®, you will need blood tests for at least 2 weeks to check if your platelet count drops too low.

Nplate® is only:
Prescribed by healthcare providers who are enrolled in the Nplate® NEXUS Program.
Given to patients who are enrolled in the Nplate® NEXUS Program.
Given by the enrolled healthcare provider or a provider under their direction. You may not give Nplate® injections to yourself.
Nplate® is for treatment of certain people with low blood platelet counts caused by chronic ITP, not low platelet counts caused by other conditions or diseases.

What are the possible side effects of Nplate®?
Nplate® may cause serious side effects. See "What is the most important information I should know about Nplate®?"

The most common side effects of Nplate® are:
  • Headache
  • Joint pain
  • Dizziness
  • Trouble sleeping
  • Muscle tenderness or weakness
  • Pain in arms and legs
  • Abdominal pain
  • Shoulder pain
  • Indigestion
  • Tingling or numbness in hands and feet
These are not all the possible side effects of Nplate®. Tell your healthcare provider if you have any side effect that bothers you or that does not go away. For more information, ask your healthcare provider or pharmacist.

If you have any questions about this information, be sure to discuss them with your doctor. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.You may also report side effects to the Nplate® NEXUS Program at 1-877-NPLATE1 (1-877-675-2831).

Please see full Prescribing Information and Medication Guide for more information about Nplate®.

1. Nplate® (romiplostim) [prescribing information].Thousand Oaks, CA: Amgen Inc; 2008.

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