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<p>Any change to the expiry date of a medicine requires an independent review of the
stability study by the Medicines and Healthcare products Regulatory Agency (MHRA)
or the European Medicine Agency in consultation with the MHRA. The MHRA is the Government
agency responsible for ensuring that medicines and medical devices work and are acceptably
safe.</p><p> </p><p>Companies can and often do extend the shelf life of their medicines
once the product is on the market and additional stability data become available.
The MHRA is not able to insist on lengthy shelf lives considering the time needed
to complete stability studies as to do so would create additional delays with bringing
new medicines to the market. It is not possible however to extend the expiry date
of all medicines unilaterally in the absence of supporting stability data.</p>
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