Participant Diversity by Race, Ethnicity, and Sex in Rare Disease Clinical Trials: A Case Study of Eight Rare Cancers NCBI Bookshelf Dihexa in Clinical Trials: What We've Learned So Far Did you know some preclinical studies report Dihexa showing neurotrophic activity far exceeding BDNF in laboratory assays? Research links its mechanism to HGF c Met signaling and synaptic plasticity in animal models. Human data AngIV Analog Dihexa Rescues Cognitive Impairment and Recovers Memory in the APP PS1 Mouse via the PI3K AKT Signaling Pathway Randomised controlled trial participants: Diversity data report NIHR