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What are Biosimilar Drugs?

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What are biosimilar drugs?

In its simplest definition, biosimilar drugs are synthetic versions of biologic drugs that have been utilized to treat various illnesses and conditions. These are medicines that are very close to biologic drugs in terms of their function and structure.

In order to understand biosimilars, it is essential to know about biologics first. Biologics consists of proteins made by living organisms. It is entirely different from traditional drugs, where chemicals are used and are referred to as small molecules contained in pills like aspirin.

As mentioned, biosimilars act as a replica of biologic drugs. Each of the produced biosimilars is made with the same materials and similar processes as its reference medicines. These reference medicines are biologic drugs that have been used for many years now. The best examples of biologic drugs are Infliximab (Remicade), Etanercept (Enbrel), and Adalimumab (Humira).

Biosimilars vs Generics

The main differences between biosimilars and generics involve their molecular sizes, structures, complexity, and costs of their development. Consider the following information:

Biosimilar drugs, alongside their reference biologic medicines, are very much the same but not entirely identical. This is because of the following reasons:

  • Biologic drugs are large and complex.
  • Biologic drugs consist of living organisms instead of chemicals.

On the other hand, generic drugs have identical properties to their reference medicines. Unlike biosimilars, generics are made of small molecules that are produced with chemical ingredients and processes. Generic drugs are the exact copies of what we call branded medications.

FDA-approved biosimilars

The following are biosimilar drugs approved by the Food and Drug Administration. The table below includes their reference products and approval date.

  Biosimilar Drugs  Reference Products (Medicines)  Approval Dates
Byooviz (ranibizumab-nuna)Lucentis (ranibizumab)September 2021 
Rezvoglar (insulin glargine-aglr)Lantus (insulin glargine)December 2021
Yusimry (adalimumab-aqvh)Humira (adalimumab)December 2021
Releuko (filgrastim-ayow)Neupogen (filgrastim)February 2022
Alymsys (bevacizumab-maly)Avastin (bevacizumab)April 2022
Fylnetra (pegfilgrastim-pbbk)Neulasta (pegfilgrastim)May 2022
Cimerli (ranibizumab-eqrn)Lucentis (ranibizumab) August 2022
Stimufend (pegfilgrastim-fpgk)Neulasta (pegfilgrastim)September 2022
Vegzelma (bevacizumab-adcd)Avastin (bevacizumab)September 2022
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Written by CDI Staff WriterOur internal team are experts in many subjects. on November 21, 2022

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