First of all, before each new drug can enter clinical practice, it must undergo a large number of pharmacological and toxicological tests on cells and animals to prove its safety and effectiveness. Of course, there are still side effects, and it will cost hundreds of millions or even billions. , which is also the main reason why China cannot produce new drugs.
Also, although they are new drugs in China, most of them are not new drugs abroad. Ivabradine was approved for clinical use in Europe in 2006, so it is not a big problem. It is true that the drug is poisonous. , it will be helpful to the condition
After a new drug is released, transferred authorization or the patent period expires, other pharmaceutical companies that want to manufacture this drug must also go through clinical trials before entering the market, and entering a country It also needs to be tested
It can be said that it is a guinea pig, because all experiments can be called guinea pigs. Whether to use it or not depends on the individual