WHO to launch pilot project for prequalifying biosimilar cancer medicines
This year WHO will launch a pilot project for prequalifying biosimilar medicines, a step towards making some of the most expensive treatments for cancer more widely available in low- and middle-income countries.
In September, WHO will invite manufacturers to submit applications for prequalification of biosimilar versions of two products in the WHO Essential Medicines List: rituximab (used principally to treat non-Hodgkin's lymphoma and chronic lymphocytic leukemia), and trastuzumab (used to treat breast cancer). The decision comes after a two-day meeting in Geneva between WHO, national regulators, pharmaceutical industry groups, patient and civil society groups, payers and policymakers to discuss ways to increase access to biotherapeutic medicines. WHO also plan2s to explore options for prequalifying insulin.
Biotherapeutic medicines, which are produced from biological sources such as cells rather than synthesised chemicals, are important treatments for some cancers and other non-communicable diseases. Like generic medicines, biosimilars can be much less expensive versions of innovator biotherapeutics. They are usually manufactured by other companies once the patent on the original product has expired. As the patents of some biotherapeutics have expired, more biosimilars are being produced. Like generic medicines, biosimilars could help to increase access to treatment in lower-resourced countries and provide a solution to escalating health costs in high-income countries.
“Innovator biotherapeutic products are often too expensive for many countries, so biosimilars are a good opportunity to expand access and support countries to regulate and use these medicines,” said Dr Marie-Paule Kieny, WHO Assistant Director General for Health Systems and Innovation.
If WHO finds that the biosimilars submitted for prequalification are comparable to originator products in terms of quality, safety and efficacy, the medicines will be listed by WHO and become eligible for procurement by United Nations agencies. Many low- and middle-income countries also rely on WHO prequalification before buying medicines. An additional benefit of WHO prequalification could be to increase competition and further reduce the price of medicines.
WHO will also review its 2009 Guidelines on the evaluation of similar biotherapeutic products to ensure that WHO’s guidance to national regulatory authorities reflects recent evidence and experience.
“Biosimilars could be game-changers for access to medicines for certain complex conditions,” said Dr Suzanne Hill, WHO’s Director of Essential Medicines and Health Products. “But they need to be regulated appropriately to ensure therapeutic value and patient safety.”
Increased use of biosimilars will also require patients and their physicians to understand and trust that the benefits of this type of medicine substantially outweigh any risks. WHO will be looking to countries with positive experience of biosimilars and partners for support in educating prescribers and patients on the benefits of these medicines and in advocating for greater awareness of biosimilars.
In addition, WHO will advocate for fairer prices for all biotherapeutics to ensure that these treatments can truly benefit public health. This will include support to countries to develop price-setting strategies that foster sustainable markets to deliver treatments to patients, savings to payers and incentives to producers to keep manufacturing the medicines needed.
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