Excluding price negotiation from any deal reached with pharmaceutical companies would be a huge mistake. Especially since the majority of research is funded through the government - the National Institutes of Health and public university research.
Although this is typical of the U.S.: we allow private companies to control and litter our public airwaves, we give away public lands for private mineral and resource extraction, and we create medicines and health care research which we then hand over to private entities for patent and profit.
For Further Reading:
Drug Companies & Doctors: A Story of Corruption
Medical Research Bought Off By Big Pharma
National Health Insurance Bill
The Truth About Drug Companies