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Clinical Trial Summary

Observational study recording sedation and safety of patients undergoing remimazolam sedation for peripheral nerve blocks. Objectives: To explore the safety and efficacy of remimazolam for neuraxial procedures and peripheral nerve pre-blocks and re-blocks. Patients undergoing epidurals, fascial plane blocks, and peripheral nerve blocks will receive remimazolam for sedation. Specific outcomes to assess include: depth of sedation, length of sedation, presence of apnea, presence of nausea/vomiting/other side effects, if the sedation was sufficient for the procedure. Assessment methods: MOAAS - Modified Observer's Assessment of Alertness and Sedation score Subjective patient report Vital signs Time for recovery Side effects Hypothesis: Remimazolam provides short-acting, adequate and safe sedation for peripheral nerve blocks in the ambulatory setting.


Clinical Trial Description

Nerve blocks are short, mildly stimulating procedures that result in no increase in pain post-procedurally. They are often performed at our institution with sedation, typically midazolam with or without fentanyl. Remimazolam is an intravenous sedative agent FDA approved for procedural sedation. Remimazolam is an intravenous sedative agent FDA approved for procedural sedation. It has been shown to be safe and effective in outpatient colonoscopy and has demonstrated a faster recovery to neuropsychiatric function compared to midazolam.[i] It also has demonstrated decreased rates of hypotension and faster recovery time when compared to midazolam.i For high risk colonoscopies, similar rates of bradycardia and blood pressure changes have been found; and remimazolam was shown to be safe and short acting.[ii] For bronchoscopies, remimazolam continues to demonstrate faster return to neuropsychiatric function when compared to midazolam, as well as a safety profile equivalent to midazolam.[iii] With a safety profile equivalent to midazolam but a much shorter duration of effect, it is a natural choice for a short, mildly stimulating procedures such as nerve blocks. Patients will be identified by providers and study personnel according to inclusion and exclusion criteria by reviewing electronic charts of patients who will be receiving nerve blocks. Once identified as a possible pre-op block or re-block, then the patients will be approached and asked if they wish to participate in the study. Patient will be screened by chart review and questioning for allergies to remimazolam or dextran 40 and will be excluded if allergy is present. After patients are identified by providers or study personnel as meeting the inclusion/exclusion criteria on the day of surgery, they will be approached and asked if they wish to participate in the study. If they choose to participate, then a provider or study personnel will perform the informed consent process. BYFAVO (remimazolam) for injection is a benzodiazepine indicated for the induction and maintenance of procedural sedation in adults undergoing procedures lasting 30 minutes or less. For this study, remimazolam will be used according to its FDA approval, for procedural sedation in adults undergoing procedures lasting 30 minutes or less: peripheral nerve blocks, catheters, plane blocks, or epidural procedures. Route: Intravenous. The nerve block will then be performed under standard conditions with standard monitors. Remimazolam will be used for sedation following the guidelines on the label. Dosing will be as follows: Induction of Procedural Sedation For adult patients: Administer 5 mg intravenously over a 1-minute time period. For ASA* III and IV patients: Administer 2.5 mg to 5 mg intravenously over 1 minute based on the general condition of the patient. Maintenance of Procedural Sedation (as needed) For adult patients: Administer 2.5 mg intravenously over 15 seconds. At least 2 minutes must elapse prior to administration of any supplemental dose. For ASA III and IV patients: Administer 1.25 mg to 2.5 mg intravenously over 15 seconds. At least 2 minutes must elapse prior to administration of any supplemental dose. MOASS scores will be assessed at baseline and frequently until 3 consecutive 5's are observed. The patient will be monitored until they have scored three consecutive 5's on the MOASS scale and their vital signs are stable. Any additional required sedative medications will be recorded, as will vital signs and side effects. Supplemental oxygen may be administered as needed. Patients are not eligible to participate in the study more than once. [i] Rex, D. K., Bhandari, R., Desta, T., DeMicco, M. P., Schaeffer, C., Etzkorn, K., et al. (2018). A Phase III Study Evaluating the Efficacy and Safety of Remimazolam (CNS 7056) Compared with Placebo and Midazolam in Patients Undergoing Colonoscopy. Gastrointest. Endosc. 88 (3), 427-437.e6. doi:10.1016/j.gie.2018.04.2351 [ii] Rex, D. K., Bhandari, R., Lorch, D. G., Meyers, M., Schippers, F., and Bernstein, D. (2021). Safety and Efficacy of Remimazolam in High Risk Colonoscopy: A Randomized Trial. Dig. Liver Dis. 53 (1), 94-101. doi:10.1016/j.dld.2020.10.039 [iii] Pastis, N. J., Yarmus, L. B., Schippers, F., Ostroff, R., Chen, A., Akulian, J., et al. (2019). Safety and Efficacy of Remimazolam Compared with Placebo and Midazolam for Moderate Sedation during Bronchoscopy. Chest 155 (1), 137-146. doi:10.1016/j.chest.2018.09.015 ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05415202
Study type Observational
Source University of Utah
Contact
Status Completed
Phase
Start date June 6, 2022
Completion date August 1, 2022

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