Tags: Cancer | Herceptin | biosimilar | drug | breast | cancer

Herceptin Biosimilar Drug Succeeds in Breast Cancer Trial

Herceptin Biosimilar Drug Succeeds in Breast Cancer Trial

(Copyright DPC)

Thursday, 01 December 2016 09:02 AM

Pfizer Inc said on Wednesday its experimental biosimilar of Roche Holding AG's blockbuster breast cancer treatment Herceptin was found comparable with the branded version in a key study.

Biotech drugs such as Herceptin are made in living cells, and then extracted and purified. They are more complex than traditional drugs and cannot be copied with precision.

Unlike generic drugs, which are interchangeable with their branded counterparts, biosimilars approved by the U.S. Food and Drug Administration to date are not considered interchangeable.

Several companies are developing biosimilar versions of top-selling biotech drugs. The allure is clear, with insurers counting on the steep discounts. U.S. pharmacy benefit managers are already trimming brand-name drugs from their rosters.

Pfizer tested the safety and effectiveness of the drug, PF-05280014, in combination with chemotherapeutic agent paclitaxel against Herceptin and paclitaxel in previously untreated patients with HER2-positive metastatic breast cancer.

Mylan NV asked U.S. regulators earlier this month to approve its own biosimilar form of Herceptin, being developed with India's Biocon Ltd, after it was shown to be similarly safe and effective as Roche's drug in a large late-stage study.

Amgen Inc and partner Allergan Plc are also racing to develop a Herceptin biosimilar, which has showed it is comparable with the branded version in a late-stage trial.

Herceptin, which is also used to treat gastric cancer, generated global sales of more than $6.5 billion in 2015, making it one of Roche's top products.

Biosimilars are not expected to become available for at least another year or two in the United States. The U.S. patent on Herceptin is slated to lapse in 2019, although some industry analysts believe a biosimilar could be launched as soon as 2018.

© 2021 Thomson/Reuters. All rights reserved.


   
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Pfizer Inc said on Wednesday its experimental biosimilar of Roche Holding AG's blockbuster breast cancer treatment Herceptin was found comparable with the branded version in a key study.Biotech drugs such as Herceptin are made in living cells, and then extracted and...
Herceptin, biosimilar, drug, breast, cancer
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2016-02-01
Thursday, 01 December 2016 09:02 AM
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