Will a doctor prescribe rapamycin?

Rapamycin (also known as sirolimus) is an approved drug that doctors prescribe following kidney transplantation. That is therefore the most obvious situation in which a doctor actively considers this agent. In some countries, blood-level monitoring is legally required, which means it is not a drug that can be used independently.

A related drug, everolimus, acts on the same biological pathway and is prescribed in neurology. Among patients with a specific hereditary condition (TSC) that causes epilepsy, approximately 32.5% of German patients were found to receive this drug, in line with existing guidelines. Agents from this class are also used in liver transplantation as an alternative to other immunosuppressants, as documented in controlled studies.

For the popular application as an anti-ageing agent, the answer is considerably more sobering. The clinical studies that have examined rapamycin for that indication have so far not produced conclusive results and fall short of initial expectations. Additional steps are required before a doctor could prescribe it outside the approved indications. Off-label use in healthy individuals is not something for which a regular doctor currently has a clear scientific basis.