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Pfizer announces FDA approval of biosimilar to Neupogen

Pfizer announces FDA approval of biosimilar to Neupogen

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Pfizer Inc. today announced that the United States (U.S.) Food and Drug Administration (FDA) has approved NIVESTYM (filgrastim-aafi), a biosimilar to Neupogen (filgrastim), for all eligible indications of the reference product.

“The FDA approval of NIVESTYM marks an important step in helping expand access to critical treatment options for patients with neutropenia, many of whom have cancer and can be hospitalized for potentially life-threatening side effects stemming from chemotherapy,” said Berk Gurdogan, U.S. Institutions President, Pfizer Essential Health. “We believe biosimilars, like NIVESTYM, are essential in helping to address evolving healthcare needs and may provide more affordable medicines to patients.”

The FDA approval was based on a review of a comprehensive data package and totality of evidence demonstrating a high degree of similarity of NIVESTYM compared to its reference product.

In the U.S., NIVESTYM is indicated:

  • To decrease the incidence of infection, as manifested by febrile neutropenia, in patients with nonmyeloid malignancies receiving myelosuppressive anti-cancer drugs associated with a significant incidence of severe neutropenia with fever.
  • For reducing the time to neutrophil recovery and the duration of fever, following induction or consolidation chemotherapy treatment of patients with acute myeloid leukemia (AML).
  • To reduce the duration of neutropenia and neutropenia-related clinical sequelae, e.g., febrile neutropenia, in patients with nonmyeloid malignancies undergoing myeloablative chemotherapy followed by bone marrow transplantation (BMT).
  • For the mobilization of autologous hematopoietic progenitor cells into the peripheral blood for collection by leukapheresis.
  • For chronic administration to reduce the incidence and duration of sequelae of severe neutropenia (e.g., fever, infections, oropharyngeal ulcers) in symptomatic patients with congenital neutropenia, cyclic neutropenia, or idiopathic neutropenia.

NIVESTYM is expected to be available in the U.S. at a significant discount to the current wholesale acquisition cost (WAC) of Neupogen. WAC is not inclusive of discounts to payers, providers, distributors and other purchasing organizations.

NIVESTYM is Pfizer’s fourth biosimilar to be approved by the U.S. FDA. Pfizer’s biosimilars pipeline consists of 10 distinct biosimilar molecules with five assets in mid-to-late stage clinical development.3

NIVESTYM IMPORTANT SAFETY INFORMATION

Do not take NIVESTYM if you have had a serious allergic reaction to human G-CSFs such as filgrastim or pegfilgrastim products.

Before you take NIVESTYM, tell your healthcare provider all about your medical conditions, including if you:

  • have a sickle cell disorder
  • have kidney problems
  • are receiving radiation therapy
  • are pregnant or plan to become pregnant. It is not known if NIVESTYMwill harm your unborn baby
  • are breastfeeding or plan to breastfeed. It is not known if NIVESTYMpasses into your breast milk

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

How will I receive NIVESTYM?

  • NIVESTYMinjections can be given by a healthcare provider by intravenous (IV) infusion or under your skin (subcutaneous injection). Your healthcare provider may decide that subcutaneous injections can be given at home by you or your caregiver. If NIVESTYMis given at home, see the detailed “Instructions for Use” that comes with your NIVESTYMprescription for information on how to prepare and inject a dose of NIVESTYM.
  • You and your caregiver should be shown how to prepare and inject NIVESTYM, before you use it, by your healthcare provider.
  • Your healthcare provider will tell you how much NIVESTYMto inject and when to inject it. Do not change your dose or stop NIVESTYMunless your healthcare provider tells you to.
  • If you are receiving NIVESTYMbecause you are also receiving chemotherapy, your dose of NIVESTYMshould be injected at least 24 hours before or 24 hours after your dose of chemotherapy.
  • If you miss a dose of NIVESTYM, talk to your healthcare provider about when you should give your next dose.

What are the most common side effects of NIVESTYM?

  • The most common side effects of NIVESTYM include aching in the bones and muscles.

What are possible side effects of NIVESTYM?

NIVESTYM may cause serious side effects including:

  • Spleen rupture. Your spleen may become enlarged and can rupture. A ruptured spleen can cause death.
  • Acute Respiratory Distress Syndrome (ARDS). ARDS is a serious lung problem.
  • Serious allergic reactions. These can occur anywhere in your body. If you have an allergic reaction, stop using NIVESTYM.
  • Sickle cell crises. Serious sickle cell crises have happened in people with sickle cell disorders receiving NIVESTYM that have sometimes led to death.
  • Kidney injury (glomerulonephritis). NIVESTYM can cause kidney injury.
  • Capillary Leak Syndrome. NIVESTYM can cause fluid to leak from blood vessels into your body’s tissues. This condition is called “Capillary Leak Syndrome” (CLS). CLS can quickly cause you to have symptoms that may become life-threatening.
  • Decreased platelet count (thrombocytopenia). Your healthcare provider will check your blood during treatment with NIVESTYM. Tell your healthcare provider if you have unusual bleeding or bruising during treatment with NIVESTYM. This could be a sign of decreased platelet counts, which may reduce the ability of your blood to clot.
  • Increased white blood cell count (leukocytosis). Your healthcare provider will check your blood during treatment with NIVESTYM.
  • Inflammation of your blood vessels (cutaneous vasculitis). Tell your healthcare provider if you develop purple spots or redness of your skin.

Call your healthcare provider or seek emergency medical help right away if you have:

  • pain in the left upper stomach area or left shoulder
  • symptoms of sickle cell crisis such as pain or trouble breathing
  • shortness of breath, with or without a fever, any trouble breathing, wheezing or a fast rate of breathing
  • a rash over your whole body, swelling around your mouth or eyes, fast heart rate and sweating
  • swelling or puffiness, especially swelling of your stomach-area and feeling of fullness
  • swelling of your face and ankles
  • blood in your urine or dark colored urine
  • less than usual urination
  • dizziness or are feeling faint
  • a general feeling of tiredness

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

You are encouraged to report adverse events related to Pfizer products by calling 1-800-438-1985 (U.S. only). If you prefer, you may contact the U.S. Food and Drug Administration (FDA) directly. Visit http://www.fda.gov/MedWatch or call 1-800-FDA-1088.

Source:

https://www.pfizer.com/news/press-release/press-release-detail/u_s_fda_approves_pfizer_s_biosimilar_nivestym_filgrastim_aafi

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