Stem-cell-therapy treatments

News 22/04/2013

Concerns have been raised in the media about certain stem-cell-therapy treatments. These sorts of new techniques potentially offer exciting possibilities to patients for the treatment of a range of difficult or previously untreatable conditions.

Like all treatments, these techniques also come with benefits and risks. Specific rules were introduced in the European Union (EU) in 2007 (Regulation (EC) No 1394/2007) to ensure that medicines involving cell therapy are subject to appropriate authorisation, supervision and controls in order to reduce and manage those risks.

Recent media reports highlight the need for public authorities at all levels to enforce their legal responsibilities to ensure that patients only have access to those treatments that comply with relevant quality standards and for which there is appropriate traceability of materials, treatment protocols and patient follow-up measures.

The European Medicines Agency stresses that the protection of patients is at the core of those rules. In addition to applying the same safety and efficacy rules as for all medicinal products, the quality and manufacturing of these products is set out in good-manufacturing-practice (GMP) requirements. These are globally recognised standards for quality assurance in the production and control of medicines.

Security and control of medicines derived from stem cell manipulation is tightly controlled by the EU advanced-therapy legislation. Cell therapies are defined as medicinal products when there is more than minimal manipulation of any cell type destined for clinical application or where the intended use of the cells is different to their normal function in the body. Any use of such cell-based medicines is subject to authorisation and controls, including their manufacture.

Permitting manufacturers to avoid compliance with quality standards, for example by inappropriate reclassification of the treatment beyond the mandate of competent authorities for control of medicines, could risk exposing patients to cross-contamination and inadequate characterisation of the cell preparations, resulting in short- and long-term risks for individual patients.

Similar concerns were raised by the Agency's Committee for Advanced Therapies (CAT) in a PDF icon public statement of 16 April 2010 and in a paper published in The Lancet of 14 August 2010 on the use of unregulated stem-cell-based medicinal products.

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