Another randomized double-blinded placebo-controlled clinical trial has investigated the effectiveness of intranasal insulin in motor and non-motor symptoms of PD (NCT04687878), with no results published to date (https://go.drugbank.com/drugs/DB00030/clinical_trials?conditions=DBCOND0053495&phase=2&purpose=treatment&status=recruiting accessed on 26 September 2023). The gene discussed is INS; the disease is Parkinson disease.