A centrally registered identifier that is assigned for a specific clinical trial registered in the Cuban public registry of clinical trials (RPCEC). The format for the registry number is “RPCEC” followed by a 8-digit number, e.g., RPCEC00000306.

RPCEC identifier

https://www.who.int/ictrp/network/primary/en/

http://registroclinico.sld.cu/en/home