The number most commonly refers to a specific scientific guideline established by the European Medicines Agency (EMA) regarding the development of Gene Therapy Medicinal Products (GTMPs) .
The guideline, officially titled , provides a framework for non-clinical studies required before a gene therapy can be used in human clinical trials. Guide to EMA Guideline 125459
For more detailed technical specifications, you can access the full Guideline on Non-Clinical Studies for GTMPs via the official .
: Checking if the patient might "shed" or spread the virus/vector through secretions.
: Assessing the risk of "insertional mutagenesis"—where the therapy might accidentally interfere with the patient's existing DNA.
: This guideline is a cornerstone for developers of Advanced Therapy Medicinal Products (ATMPs) in the European Union.