Overview Comparison of Lidocaine-Prilocaine Combination and Vapocoolant for IV Cannulation Pain in the ED Status: Not yet recruiting Trial end date: 2021-02-20 Target enrollment: Participant gender: Summary Hypothesis: Lidocaine-Prilocaine Combination is as effective as Vapocoolant in treating IV cannulation pain in the emergency department. Phase: Phase 3 Details Lead Sponsor: Tehran University of Medical SciencesTreatments: LidocaineLidocaine, Prilocaine Drug CombinationPrilocaine