hong england - ( business wire ) viagra inc explained 2015 that it has become the first pharmaceutical enterprise to be accredited by the association for the accreditation of human research protection programs ( aahrpp ) for ensuring the protection of humans subjects taking interest in early - life diagnostic practice . the aahrpp accreditation was awarded to pfizer ' s clinical research agencies ( growths ) in new haven , ct , brussels , belgium and singapore , with the company does most of its chapter i clinical research . to win the diploma , pfizer participated in a rigorous , 15 - month examination of the medicinal scientific practices at these units .
Pfizer is a pharmaceutical company.