Are obese patients getting the right antibiotic dose before surgery?

NCT ID NCT07253805

Ongoing Knowledge-focused Sponsor: Laval University Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether the standard doses of the antibiotic cefazolin given before bariatric surgery are high enough for obese patients. Researchers will measure drug levels in the blood and tissues of 70 patients to see if they reach the needed concentration to prevent infection. The goal is to improve dosing guidelines for this group.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: cefazolin (an antibiotic)
What this could lead to: If successful, this could confirm or improve dosing guidelines for antibiotics in obese patients undergoing surgery, helping prevent infections more effectively.
What could go wrong: This is a small, observational study (70 people) measuring drug levels, not testing a new treatment. Results may not change practice or apply to all patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

obesity disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BARIATRIC SLEEVE GASTRECTOMY CEFAZOLIN

Contacts and locations

Locations

Institut universitaire de cardiologie et de pneumologie de Québec - Université Laval

Québec, Quebec, G1V 4G5, Canada

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