Can a simple vancomycin taper beat a pricey drug for recurrent c. diff?

NCT ID NCT07328971

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 3 trial tests whether a gradual taper of vancomycin is as good as a 10-day course of fidaxomicin at preventing another C. difficile infection. About 500 adults with a first or second C. diff episode will be randomly assigned to one of the two treatments. The main goal is to see how many people have a repeat infection within 56 days.

What this could mean

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

Active substance

vancomycin and fidaxomicin

What this could lead to

If successful, this could offer a cheaper, simpler way to prevent repeat C. difficile infections, reducing hospital visits and improving quality of life.

What could go wrong

This is a non-inferiority trial, so even if vancomycin works, it may not be better than the current standard. Results may not apply to all patients or settings.

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.

Clostridium difficile colitis

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • McGill University Health Centre

    RECRUITING

    Montreal, Quebec, H4A0B1, Canada

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

    Contact