Are obese patients getting the right antibiotic dose before surgery?

NCT ID NCT07253805

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.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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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.

Contacts and locations

Locations

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

    Québec, Quebec, G1V 4G5, Canada