Clear Liquids, Safer Procedures—Lessons From the OCULUS Trial - Summary - MDSpire
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Transparent Fluids and Enhanced Safety in Procedures: Insights from the OCULUS Study

  • By

  • Venkatesan Thiruvenkatarajan

  • Krishnaswamy Sundararajan

  • Prathicksha Venkatesan

  • September 1, 2026

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Objective:

To examine the safety of continuing vs withholding GLP-1/GIP receptor agonists before upper endoscopy.

Approach:
  • Study Design: The study was a randomized clinical trial assessing the effects of GLP-1/GIP RAs on procedural safety.
  • Procedural Setting: Participants underwent procedures under moderate sedation with direct endoscopic visualization to assess gastric volume.
Key Findings:
  • No clinically significant residual gastric volume (RGV) was observed in participants on a clear liquid diet prior to the procedure.
  • The protocol of stopping the procedure upon detecting significant RGV likely enhanced safety.
  • Avoidance of solid food may influence gastric contents independently of medication management.
Limitations:
  • The trial was stopped early after a prespecified interim analysis, which may affect the robustness of subgroup analyses.
  • Dietary strategies were not a primary outcome of the trial.
Sources:

Original Source(s)

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