risk mitigation system

基本解释

But the most effective new power has been the risk evaluation and mitigation system (REMS).
FORBES: The End Of Drug Withdrawals?
The FDA has just released the actual Risk Evaluation and Mitigation System (REMS) for Avandia and companion drugs Avandaryl and Avandamet.
FORBES: Avandia -- When A Drug Is On The Market, But Not Really
But Sabril needed a Risk Evaluation and Mitigation System (REMS), FDA jargon for a plan that ensures drugs are only used when benefits outweigh risks.
FORBES: Magazine Article