Transcript Biosimilars
Biosimilars
1. What are Biosimilars
2. Difference to Generics
3. What can they do for us in the future
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Biosimilars
Biological Products
Many of today’s important medications are biological products. Biological products are
made from living organisms.
The material they are made from can come from many sources, including humans,
animals and microorganisms such as bacteria or yeast. Biological products are
manufactured through biotechnology, derived from natural sources or, in some cases,
produced synthetically.
Biological products are among the medications used to treat conditions such as
rheumatoid arthritis, anemia, low white blood cell counts, inflammatory bowel disease,
skin conditions such as psoriasis and various forms of cancer.
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Biological Products
Most biological products are more complex in structure and have larger molecules or
mixtures of molecules (however can consist of relatively small molecules such as human
insulin or erythropoietin, or complex molecules such as monoclonal antibodies) than
conventional drugs (e.g. Aspirin, also called small molecule drugs).
Conventional drugs are made of pure chemical substances and their structures can be
identified.
Most biologics, however, are complex mixtures that are more difficult to identify or
characterize and to manufacture.
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Production facilities for Biologics / Biosimilars
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What are biosimilar and interchangeable biological products?
There are two new types of biological products: biosimilar and interchangeable.
Biosimilars are a type of biological product that are licensed (approved) by FDA or
another health authority (HA, e.g. EMA) because they are highly similar to an already
FDA or another HA approved biological product, known as the
biological reference product (reference product), and have been shown to have no
clinically meaningful differences from the reference product.
An interchangeable biological product, in addition to meeting the biosimilarity standard, is expected to
produce the same clinical result as the reference product in any given patient.
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Will biosimilars work in the same way as the biological reference product
they were compared to?
Yes, biosimilars have no clinically meaningful differences in terms of safety and
effectiveness from the reference product they were compared to. In addition, a
biosimilar needs to have the same mechanism of action as the reference product it was
compared to, which means it will work in the same way as the reference product.
The FDA or another HA will only approve a biosimilar product if it has the same
mechanism of action, route of administration, dosage form, and strength as the
reference product. Additionally, a biosimilar can only be approved for the indications
and conditions of use that have been previously approved for the reference product.
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Are biosimilars generic versions of biological products?
No, generic drugs are copies of brand-name drugs, have the same active ingredient,
and are the same as those brand name drugs in dosage form, safety, strength, route of
administration, quality, performance characteristics and intended use. That means the
brand-name and the generic are bioequivalent.
Biosimilars are highly similar to the reference product they were compared to, but have
allowable differences because they are made from living organisms.
Biosimilars also have no clinically meaningful differences in terms of safety, purity, and
potency from the reference product.
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What are Generic Drugs?
A generic drug is identical--or bioequivalent--to a brand name drug in
dosage form, safety, strength, route of administration, quality, performance
characteristics and intended use. Although generic drugs are chemically
identical to their branded counterparts, they are typically sold at substantial
discounts from the branded price. Generic drugs save consumers, hospitals
and health insurance systems quite a lot of money.
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WHY can they be cheaper?
New drugs, like other new products, are developed under patent
protection. The patent protects the investment in the drug's development
by giving the company the sole right to sell the drug while the patent is in
effect. When patents or other periods of exclusivity expire, manufacturers
can apply to the FDA or another HA to sell generic versions. The process
does not require the drug sponsor to repeat costly animal and clinical
research on ingredients or dosage forms already approved for safety and
effectiveness. This applies to drugs first marketed after 1962 (US market).
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Examples for Biosimilars
Approved by FDA:
Inflectra is biosimilar to Remicade (infliximab).
It’s approved for multiple conditions, including:
Crohn’s disease
Ulcerative colitis
Rheumatoid arthritis
Ankylosing spondylitis
Psoriatic arthritis
Plaque psoriasis
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Examples for Biosimilars
Zarxio (filgastrim-sndz) is biosimilar to Neupogen
It‘s approved for multiple conditions, including:
Cancer
Hematopoietic Stem Cell Transplantation
Neutropenia
Erelzi is biosimilar to Enbrel (Etanercept)
It‘s approved for multiple conditions, including:
Autoimmune diseases such as rheumatoid arthritis, plaque psoriasis,
psoriatic arthritis, juvenile idiopathic arthritis (JIA), ankylosing spondylitis(AS)
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Biologics versus Biosimilars
Biologics are different from conventional medications. Conventional medications—
drugs—are generally made from chemicals or chemically synthesized, and therefore
their structure can be relatively easily defined. Unlike conventional medications,
biologics can’t be made by following a chemical “recipe.”
Biologics come from living organisms that are variable in nature. Because of that,
developing biologics is a far more complex process than manufacturing drugs.
Currently, biologics are among the fastest growing segments of the prescription product
market.
Pharmaceutical Players have a great interest to enter this market with biosimilars, but
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but……………
Obstructive role of state and bureaucracy and time involved in testing and licensing
slow down new entrants to the market
New entrants face additional commercial risk that they may be instantly undercut
and even driven out of business by the incumbent slashing its own prices
Private sector pharmaceutical companies with shareholders have a right and a
responsibility to turn a profit
Politicians and society at large object to profiteering of pharmaceutical companies
and put public pressure when there are obvious excesses in pricing
Some pharmaceutical companies decide not to take the risk under given
circumstances
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Increased Options, Lower Costs?
Biosimilars are likely to create greater competition in the medical marketplace.
This could not only increase treatment options for patients but also lead to less
expensive alternatives to comparable products.
With an increasing number of biosimilars on the market, consumers may expect to
get equally safe and effective treatment, but at lower costs.
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Thank you for your attention! Questions?
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