investigational
/ɪnˌvɛstɪˈɡeɪʃənəl/
adjective
- Relating to or used in an investigation, especially a scientific or medical study.
- The device is still in its investigational phase and not yet available to the public.
- The hospital is testing an investigational drug for cancer patients.
- Investigational studies are needed before a new vaccine can be approved.
Synonyms