The New Zealand government has an agency, Pharmac, that buys drugs for the country. This gives a fair bit of purchasing power. The TPP seeks to tame Pharmac, to drive prices up presumably. Prevention of generic drug purchasing etc. But there isn't any agreement to remove tariffs on things NZ makes.
http://m.nzherald.co.nz/business/news/article.cfm?c_id=3&obj...