A primary purpose of the ICH is to: Require FDA registration of worldwide clinical trials. Minimize the need for redundant research. Require publication of negative trial results. Develop mandatory worldwide regulations for drug development.

Minimize the need for redundant research.

Explanation:

ICH stands for "International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for human Use"

The ICH is an initiative that was established in other to unite pharmaceutical industries and regulatory authorities to talk about the science and technicality of development and registration of pharmaceutical products.

The main aim of ICH is to harmonize processes and requirements for the registration of pharmaceutical products for the purpose promoting public health.

This harmonisation of protocols and designs help to minimize the need for redundant research and produce safe and high quality pharmaceuticals while following regulatory obligations.