investigational

1. 1.

   Of, or relating to investigating, or to an investigation.

   调查的；与调查有关的

2. 2.

   of, or relating to an unapproved drug or chemical entity being studied.

   与正在研究的未批准药物或化学实体有关的

与正在研究的未批准药物或化学实体有关的；调查研究的