Koselugo

Generic name: Selumetinib
Drug class: Multikinase inhibitors

Usage of Koselugo

Koselugo inhibits the actions of an enzyme which is often activated in different types of cancers.

Koselugo is a prescription medicine used to treat neurofibromatosis (a genetic disorder that causes tumors to develop on the nerves) in children at least 2 years old.

Neurofibromatosis may cause tumors in the brain or spinal cord, learning disabilities, tumors on or under the skin, or bone deformities. Plexiform neurofibromas are large tumors that grow from nerves anywhere in the body and may become cancerous later in life.

Koselugo is for children with plexiform neurofibromas that cannot be surgically removed.

Koselugo side effects

Get emergency medical help if you have signs of an allergic reaction to Koselugo: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe or ongoing diarrhea;
  • a skin rash with blistering or peeling, or any rash that covers a large area of skin;
  • heart problems - tiredness, fast heartbeats, cough, wheezing, shortness of breath, swelling in your lower legs;
  • vision changes - blurred vision, vision loss, seeing dark spots or "floaters" in your vision;
  • unexplained muscle pain, tenderness, or weakness (especially if you also have fever, unusual tiredness, or dark colored urine).
  • Diarrhea is a common side effect of this medicine. Tell your doctor right away the first time you have diarrhea while taking Koselugo.

    Your doses may be delayed or permanently discontinued if you have certain side effects.

    Common Koselugo side effects may include:

  • nausea, vomiting, stomach pain;
  • itching;
  • dry skin, acne, rash;
  • redness around your fingernails;
  • feeling weak or tired;
  • mouth pain or soreness, swollen gums;
  • muscle or bone pain;
  • headache; or
  • fever.
  • This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    Before taking Koselugo

    Koselugo should not be given to a child younger than 2 years old.

    Tell your doctor if your child has ever had:

  • heart problems;
  • vision problems; or
  • liver problems.
  • A girl who has entered puberty may need to have a negative pregnancy test before starting this treatment.

    Selumetinib can harm an unborn baby if the mother or father is using this medicine.

  • Girls who are able to get pregnant should use effective birth control to prevent pregnancy while taking Koselugo.
  • Boys with female sex partners who are able to get pregnant should also use effective birth control while taking Koselugo.
  • Keep using birth control for at least 1 week after the last dose of Koselugo.
  • Tell your doctor right away if a pregnancy occurs while either the mother or the father is using Koselugo.
  • Do not breastfeed while using this medicine, and for at least 1 week after your last dose.

    Relate drugs

    How to use Koselugo

    Usual Pediatric Dose for Fibromatosis:

    2 years and older: 25 mg/m2 orally 2 times a day (approximately every 12 hours) until disease progression or unacceptable toxicity RECOMMENDED DOSE BASED ON BODY SURFACE AREA (BSA): -BSA less than 0.55 mg/m2: No dose recommendation. -BSA 0.55 to 0.69 m2: 20 mg/m2 orally in the morning and 10 mg/m2 in the evening -BSA 0.7 to 0.89 m2: 20 mg/m2 orally in the morning and 20 mg/m2 in the evening -BSA 0.9 to 1.09 m2: 25 mg/m2 orally in the morning and 25 mg/m2 in the evening -BSA 1.1 to 1.29 m2: 30 mg/m2 orally in the morning and 30 mg/m2 in the evening -BSA 1.3 to 1.49 m2: 35 mg/m2 orally in the morning and 35 mg/m2 in the evening -BSA 1.5 to 1.69 m2: 40 mg/m2 orally in the morning and 40 mg/m2 in the evening -BSA 1.7 to 1.89 m2: 45 mg/m2 orally in the morning and 45 mg/m2 in the evening -BSA 1.9 mg/m2 or greater: 50 mg orally in the morning and 50 mg/m2 in the evening Use: Treatment of pediatric patients 2 years and older with neurofibromatosis type 1 (NF1) who have symptomatic, inoperable plexiform neurofibromas (PN)

    Warnings

    Tell your healthcare provider if you are taking aspirin, blood thinners, or other medicines to treat blood clots. Koselugo contains vitamin E which may increase your risk of bleeding.

    Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

    What other drugs will affect Koselugo

    Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective.

    Other drugs may interact with selumetinib, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

    Disclaimer

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    The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Drugslib.com does not assume any responsibility for any aspect of healthcare administered with the aid of information Drugslib.com provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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