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Indications

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Patient Information

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INDICATIONS (1 of 2)

REBLOZYL® (luspatercept-aamt) is a prescription medicine used to treat anemia (low red blood cells) in adults with myelodysplastic syndromes with ring sideroblasts (MDS-RS) or myelodysplastic/myeloproliferative neoplasms with ring sideroblasts and thrombocytosis (MDS/MPN-RS-T) who need regular RBC transfusions and have not responded well to or cannot receive an erythropoiesis stimulating agent (ESA).

REBLOZYL is not for use as a substitute for RBC transfusions in people who need immediate treatment for anemia.

It is not known if REBLOZYL is safe or effective in children under 18 years of age.

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Hypothetical patient with anemia in myelodysplastic syndromes with ring sideroblasts (MDS-RS)
Hypothetical patient with anemia in myelodysplastic syndromes with ring sideroblasts (MDS-RS)

What should I expect when starting REBLOZYL?

What should I expect when starting REBLOZYL?

Starting a treatment can mean a change in your routine. Sometimes you may start a treatment at one dose and your doctor will need to adjust the dose based on how it’s working and how you’re feeling. By understanding what to expect and what to keep track of while on REBLOZYL treatment, you can be prepared for your treatment.

How will I receive REBLOZYL?

REBLOZYL® (luspatercept-aamt) injection locations

REBLOZYL is an injection given under your skin by your healthcare team at their office

  • Given in your upper arm, thigh, or stomach
  • Needles used for injections that go under your skin are smaller than those used for injections that go into your muscle, such as those used for most vaccines

You will receive a REBLOZYL injection once every 3 weeks. Before each REBLOZYL injection, your healthcare team will:

Do a blood test to check your hemoglobin (Hgb) levels

Discuss the number of transfusions you’ve had since your last REBLOZYL dose

Your healthcare team may also talk about any symptoms you’ve been having. This information helps your healthcare team see how your anemia is responding to REBLOZYL. It’s important to talk about how you’re feeling with your healthcare team to help them understand how you’re doing and if you’re meeting your treatment goals.

What if I miss a dose?

Sometimes things come up and you are unable to make a scheduled doctor’s appointment. If your scheduled REBLOZYL dose is delayed or missed, call your healthcare team as soon as possible to reschedule your next appointment. Your doctor will give you your dose of REBLOZYL as soon as possible. Your treatment with REBLOZYL will continue as prescribed, with at least 3 weeks between doses.

Hypothetical patient with anemia in myelodysplastic syndromes with ring sideroblasts (MDS-RS)
Hypothetical patient with anemia in myelodysplastic syndromes with ring sideroblasts (MDS-RS)

Will my REBLOZYL dose and length of treatment be the same as other patients?

Length of treatment

Length of treatment

The length of treatment varies from person to person. As part of ongoing treatment, your doctor may adjust the dose from time to time. You’ll stay on treatment with REBLOZYL for as long as you are responding to it and your side effects are manageable.

Starting dose

Starting dose

Your doctor will decide what dose of REBLOZYL is right for you based on your weight. It is recommended that people receiving REBLOZYL start on 1 milligram (mg)/kilogram (kg), once every 3 weeks. Your dose may go up. You and your healthcare team can work together to see what REBLOZYL dose works for you.

Finding the right dose

Finding the right dose

Based on how REBLOZYL was studied, many patients experienced at least one dose modification. An increase in your dose of REBLOZYL does not necessarily mean REBLOZYL isn’t working for you. You may actually just need a higher dose to get the response you and your healthcare team are looking for. That’s why it can be helpful to be aware of your dose and to track your symptoms and any transfusions you need between doses.

You may want to use a treatment tracker to write down when you receive red blood cell (RBC) transfusions and any symptoms you feel between doses of REBLOZYL.

Understanding your transfusion burden will help your healthcare team understand if you need an increase in dose to meet your treatment goals.

Hypothetical patient discussing with their doctor if they need to pause or stop receiving REBLOZYL® (luspatercept-aamt) treatment

How will I know if I need to pause or stop receiving REBLOZYL?

Your dose may be adjusted, paused, or discontinued based on how you are responding to REBLOZYL treatment, including side effects. If your Hgb levels are too high or rise too fast, your healthcare team may pause your REBLOZYL treatment.

Your healthcare team will continue to monitor your Hgb levels to see what next steps make the most sense. Based on ongoing blood test results and checking your Hgb levels, your healthcare team may decide to restart REBLOZYL treatment at some point in the future.

If there is no reduction in RBC transfusions after at least 3 doses on the maximum dosage of 1.75 mg/kg, your healthcare team will stop REBLOZYL treatment.

Important Facts About
REBLOZYL®

(luspatercept-aamt)

This is a summary of important information that you need to know about REBLOZYL. Your healthcare team can work with you to help answer any questions you may have about this medication. Keep this information in a safe place so you can refer to it before and during your treatment.

Look out for the following icons as you read:
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Helpful information to remember

What is REBLOZYL?

REBLOZYL is a prescription medicine for injection, and is used to treat anemia (low red blood cells) in adults with:

β (beta) thalassemia who need regular red blood cell (RBC) transfusions.

MDS-RS or MDS/MPN-RS-T who need regular RBC transfusions and have not responded well to or cannot receive another type of medicine called an erythropoiesis stimulating agent (ESA).

MDS-RS: myelodysplastic syndromes with ring sideroblasts

MDS/MPN-RS-T: myelodysplastic or myeloproliferative neoplasms with ring sideroblasts and thrombocytosis

REBLOZYL is not a substitute for RBC transfusions in people who need immediate treatment for anemia.

It is not known if REBLOZYL is safe or effective in children under 18 years of age.

What should I discuss with my healthcare team before starting treatment?

Talk to your healthcare team about all of your health problems and risk factors, including if you:

  • have or have had blood clots
  • take hormone replacement therapy or birth control pills (oral contraceptives)
  • have had your spleen removed (splenectomy)
  • smoke
  • have or have had high blood pressure (hypertension)
  • have a history of extramedullary hematopoietic (EMH) masses
  • have or have had enlarged spleen or liver

Talk to your healthcare team about all the medicines you are taking, including:

  • prescription medicines
  • over-the-counter medicines
  • vitamins
  • herbal supplements

These are not all the topics you should discuss with your healthcare team. Ask your healthcare team about anything you may be unsure about before starting treatment.

What should I discuss with my healthcare team about pregnancy, birth control, and breastfeeding?

Talk to your healthcare team if:

  • You are pregnant or plan to become pregnant — REBLOZYL may harm your unborn baby

    If you are able to become pregnant, your healthcare team should do a pregnancy test before you start receiving REBLOZYL. You should use an effective method of birth control during treatment and for at least 3 months after your last dose of REBLOZYL. Talk to your healthcare team about birth control methods that you can use with REBLOZYL.

    • Call your healthcare provider right away if you become pregnant or think you are pregnant during treatment with REBLOZYL.

    REBLOZYL may affect your ability to become pregnant. Talk to your healthcare team if fertility problems are a concern for you.

  • You are breastfeeding or plan to breastfeed

    Do not breastfeed during treatment and for 3 months after the last dose of REBLOZYL. It is not known if REBLOZYL passes into your breast milk. Talk to your healthcare team about the best way to feed your baby during this time.

What are the serious side effects of REBLOZYL?

A serious side effect is a side effect that can sometimes become life-threatening and can lead to death. They may happen any time during treatment or even after your treatment has ended. You may experience more than one side effect at the same time.

Blood clots (thrombosis/thromboembolism) — Blood clots in the arteries, veins, brain, and lungs have happened in people with β-thalassemia during treatment with REBLOZYL. The risk of blood clots may be higher in people who have had their spleen removed or who take hormone replacement therapy or birth control pills.

Call your healthcare provider or get medical help right away if you have any of these symptoms:

  • chest pain
  • trouble breathing or shortness of breath
  • pain in your leg, with or without swelling
  • a cold or pale arm or leg
  • sudden numbness or weakness that is short-term or continues to happen over a long period of time, especially on one side of the body
  • severe headache or confusion
  • sudden trouble with seeing, speaking, balancing, walking, or dizziness

High blood pressure (hypertension) — REBLOZYL may cause an increase in your blood pressure. Your healthcare provider will check your blood pressure before you receive your REBLOZYL dose. Your healthcare provider may prescribe you medicine to treat high blood pressure or increase the dose of medicine you already take to treat high blood pressure, if you develop high blood pressure during treatment with REBLOZYL.

Extramedullary Hematopoietic (EMH) Masses — EMH masses have happened in people with beta thalassemia during treatment with REBLOZYL. You may have a higher risk for developing EMH masses if you have a history of EMH masses, have had your spleen removed, have or have had enlarged spleen or liver, or have low hemoglobin levels. Your healthcare provider will monitor you before you start and during treatment with REBLOZYL. Call your healthcare provider or get medical help right away if you get any of these symptoms:

  • severe pain in the back
  • numbness or weakness or loss of voluntary movement in feet, legs, hands or arms
  • loss of bowel and bladder control

What are the most common side effects of REBLOZYL?

The most common side effects of REBLOZYL include:

  • feeling tired
  • muscle or bone pain
  • dizziness
  • diarrhea
  • stomach (abdominal) pain
  • allergic reactions
  • headache
  • joint pain (arthralgia)
  • nausea
  • cough
  • trouble breathing

These are not all of the possible side effects.

Talk to your healthcare team for more information about side effects. You are encouraged to report negative side effects of prescription drugs to the FDA by visiting www.fda.gov/medwatch or calling 1-800-FDA-10881-800-FDA-1088.

How will I receive REBLOZYL?

REBLOZYL is given as a subcutaneous injection (under your skin) in the upper arm, thigh, or stomach by your healthcare provider. The recommended starting dose of REBLOZYL is 1 mg/kg, once every 3 weeks. Work with your healthcare team to determine the right treatment plan for you.

REBLOZYL is a type of medicine called an erythroid maturation agent (EMA), and comes in single-dose vials that need to be prepared for injection by a healthcare professional.

Active ingredients: luspatercept-aamt

Inactive ingredients: citric acid monohydrate, polysorbate 80, sucrose, and tri-sodium citrate dihydrate

Before each REBLOZYL injection, your healthcare provider will do a blood test to check your hemoglobin and review your transfusion record to see how your anemia is responding to REBLOZYL. Your healthcare provider may adjust your dose or stop treatment depending on how you respond to REBLOZYL.

What if I delayed or missed a dose?

Call your healthcare provider as soon as possible to reschedule your next appointment if you delayed or missed a dose. Your healthcare provider will give your dose of REBLOZYL as soon as possible. Your treatment with REBLOZYL will continue as prescribed, with at least 3 weeks between doses.

For more information, please see accompanying Full Prescribing Information and Medication Guide for REBLOZYL. Talk to your healthcare team for more information about this medication.