And it hopes to begin human testing of an arthritis drug this year.
One of the study's authors cited higher costs involved with human testing.
The company said that it had 24 drugs in the final stage of human testing, up from 17 last year.
It did not work as hoped, but researchers noticed its effect on men during human testing.
"We moved into human testing, and that increased our interest in making sure this had patent protection."
No cases of a human testing positive for the virus have been reported in Connecticut.
But he said further animal tests were needed before human testing could begin.
The human testing is hoped to be ready within two or three years.
They reveal that the pills may be ready for human testing within three years.
The information collected from these studies is vital so that safe human testing can begin.