vehicle lotion (Actavis)

The vehicle lotion developed by Actavis is an inactive topical formulation used as a placebo control in Phase 3 clinical trials for head lice infestation. It was specifically designed for use in studies evaluating the therapeutic equivalence of a generic ivermectin lotion 0.5% to the reference listed drug, Sklice. The formulation contains all the excipients of the active drug product but lacks the active pharmaceutical ingredient, ivermectin. As a vehicle control, it serves to establish a baseline for efficacy and safety, ensuring that the observed therapeutic effects in the treatment arm are attributable to the active ingredient rather than the lotion base itself. This vehicle was utilized in randomized, double-blind studies to maintain the integrity of the blinding process and to demonstrate the superiority of the active treatment over the carrier formulation.

Other names

vehicle lotionvehicle control