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A Phase 1, Placebo-Controlled, Double-Blinded Study to Assess the Safety and Pharmacokinetics of Single Ascending Doses of EV68-228-N Ins Healthy Adult Volunteers
In Brief
A Phase 1 clinical trial evaluating EV68-228-N and Placebo for EV68-228-N for Enterovirus Infection. Completed, enrolled 36 participants across 2 sites.
Detailed Summary
This is a Phase 1, randomized, placebo-controlled, double-blinded study to assess the safety and pharmacokinetics of single IV administrations of EV68-228-N in healthy adult volunteers. Three doses (3, 10 and 30 mg/kg) of EV68-228-N will be evaluated in three separate, sequential cohorts in this single dose escalation study. The cohorts will be randomized in a 5:1 randomization scheme. The first two participants in each cohort will serve as sentinels. Sentinel participants may be located at different sites. Sentinel safety data will be collected through Day 3 before submitting to the Protocol Safety Review Team (PSRT) for review. The PSRT is comprised of the Principal Investigator (PI), the DMID Medical Monitor, and the DMID Medical Officer. Data to be reviewed will include clinical data collected from Visits 1, 2 and 3, the results of laboratory testing conducted at these visits, solicited adverse events (AEs) and the passive reporting of adverse events through Day 3. From the time of infusion of the sentinels to at least 48 hours after infusion, no new participants will be given study product or placebo, but screening may continue. If no safety signal is detected in the sentinel group, and after approval from the DMID Medical Monitor, the remaining 10 participants in the cohort will be dosed following the overall 5:1 randomization scheme. All participants will be actively monitored for AEs and safety laboratory data following dosing through Day 8. Data will be reviewed by the PSRT and discussed with the Safety Monitoring Committee (SMC) for their concurrence before advancing to the next cohort. Electronic review of the safety data by the SMC is required prior to the cohort dose escalation when halting rules are met or there are any safety concerns. The primary objective is to evaluate the safety of a single IV infusion of either 3, 10, or 30 mg/kg of EV68-228-N when administered to healthy adults.
Study Details
Timeline
Interventions
EV68-228-N is a recombinant human monoclonal IgG1 antibody which is produced by genetically engineered plasmids in Nicotiana benthamiana. This intervention is directed against enterovirus EV-D68 capsid protein potentially providing treatments for EV-D68 infection and AMF.
The placebo is a sterile buffer solution formulated to match the EV68-228-N Drug Product. The formulation is 20mM Citrate + 10 mM Glycine, 8% Sucrose, and 0.01% Polysorbate 80, with a target pH of 5.5. The placebo will be filled into glass vials at 10 mL per vial. The formulation buffer is a clear colorless liquid.