alexa Clinical trial: a dose-response study of fospropofol disodium for moderate sedation during colonoscopy.
Anesthesiology

Anesthesiology

Journal of Anesthesia & Clinical Research

Author(s): Cohen LB

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BACKGROUND: An effective agent is needed that provides rapid onset of sedation and quick recovery for patients undergoing colonoscopy. AIM: To assess the efficacy and safety of fospropofol disodium in providing sedation in patients undergoing colonoscopy.

METHODS: A randomized, double-blind, multicentre trial evaluated 127 adult patients who received fospropofol (2, 5, 6.5 or 8 mg/kg) or midazolam 0.02 mg/kg following pre-treatment with fentanyl. Supplemental doses of study medication were allowed to reach a Modified Observer's Assessment of Alertness/Sedation scale score < or =4. Efficacy end points included sedation success, measures of clinical benefit, sedation, and recovery as well as patient- and doctor-rated satisfaction.

RESULTS: Fospropofol produced a significant dose-dependent increase in sedation success from 24% (2 mg/kg), 35% (5 mg/kg) and 69% (6.5 mg/kg) to 96% (8 mg/kg; P < 0.001). There were also dose-dependent trends for time to sedation, requirements for alternative sedative medication, supplemental doses of sedative and fentanyl, time to ready for discharge and doctor-rated satisfaction scores. Fospropofol was well tolerated, with most adverse events mild-to-moderate in severity.

CONCLUSION: The 6.5 mg/kg dose of fospropofol provides the ideal balance of efficacy and safety for patients undergoing colonoscopy and has been selected for phase 3 clinical development.

This article was published in Aliment PharmacolTher and referenced in Journal of Anesthesia & Clinical Research

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