Description
The study demonstrates QZP activates BDNF signaling but doesn’t compare its efficacy to direct BDNF administration or other established neurotrophic treatments. This comparison is essential to determine QZP’s therapeutic positioning and potential advantages.
Gap type: open_question Source paper: Qianzheng powder promotes facial nerve regeneration via BDNF/TrkB/CREB pathway activation. (2026, Regenerative therapy, PMID:41438125)