Primate Research Ethics and the 3Rs Framework

The use of non-human primates in biomedical research is one of the most ethically contentious areas of animal use, governed by strict 3Rs frameworks in most developed countries.

Key Facts

Approximately 110,000 non-human primates are used in research globally each year
The US uses the most NHPs in research, followed by China, the EU, and Japan
Common marmosets and cynomolgus macaques are the most used species
Great apes are banned from research in most countries including the US since 2015
The 3Rs framework (Replace, Reduce, Refine) guides laboratory animal use globally

Welfare Considerations

Primates used in biomedical research are highly intelligent social animals. Isolation, restraint, and invasive procedures cause significant psychological suffering. Stereotypic behaviors are common in laboratory macaques. The 3Rs framework aims to Replace animal research where possible, Reduce numbers used, and Refine procedures to minimize suffering. Progress has been substantial — great ape research ended, social housing requirements strengthened, refinements reduced procedural pain. But pace of replacement with non-animal methods remains slower than animal advocates argue is achievable.

What You Can Do

Support funding for non-animal research methods through organizations like the Humane Society
Advocate for increased NIH funding for alternative methods development
Support the ICCVAM (Interagency Coordinating Committee on the Validation of Alternative Methods)
Engage with your university or company about their commitment to the 3Rs
Choose cosmetics and household products from companies that do not test on animals