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NCT03752684 · ClinicalTrials.gov registry record · NA

Oxalobacter Formigenes Colonization and Urinary Oxalate Excretion

A NA study, sponsored by University of Alabama at Birmingham.

Completed
Registry status
NA
Development phase
26
Enrollment target

NCT03752684: Completed NA study, sponsored by University of Alabama at Birmingham.

NCT03752684 is a NA study that has completed, run by University of Alabama at Birmingham. The registered enrollment target is 26 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03752684, a NA study, has completed, sponsored by University of Alabama at Birmingham.

COMPLETED
Registry status
NA
Development phase
26 participants
Enrollment target

Study Summary

The purpose of this research study is to assess the efficacy of ingesting a small amount of the harmless bacterium Oxalobacter formigenes in establishing residence in the guts of healthy participants and to determine whether this influences the oxalate passed in urine.

Primary Outcome

Mean 24-hour urine oxalate excretion after colonization with O.formigenes was compared with mean 24-hour urine oxalate before colonization

Interventions

  • DIETARY_SUPPLEMENT Moderately high oxalate/low calcium diet non-colonized
  • DIETARY_SUPPLEMENT Oxalobacter formigenes
  • DIETARY_SUPPLEMENT Moderately high oxalate/low calcium diet colonized

Trial Details

FieldValue
Enrollment Target 26 participants
Start Date 2018-04-02
Est. Completion 2025-05-22
Phase NA
University of Alabama at Birmingham

1,160 total trials

What the finished NCT03752684 record still lists

NCT03752684 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 26 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).

The record links to 0 conditions, and to 3 interventions - of which Moderately high oxalate/low calcium diet non-colonized is the first listed.

NCT03752684 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03752684 about?

NCT03752684 is a clinical study titled "Oxalobacter Formigenes Colonization and Urinary Oxalate Excretion". The purpose of this research study is to assess the efficacy of ingesting a small amount of the harmless bacterium Oxalobacter formigenes in establishing residence in the guts of healthy participants and to determine whether this influences the oxalate passed in urine.

What is the current status of trial NCT03752684?

This trial is currently completed. It is a NA study. The enrollment target is 26 participants. The study started on 2018-04-02. Estimated completion is 2025-05-22.

What interventions are being tested in trial NCT03752684?

The interventions under investigation include: Moderately high oxalate/low calcium diet non-colonized (DIETARY_SUPPLEMENT), Oxalobacter formigenes (DIETARY_SUPPLEMENT), Moderately high oxalate/low calcium diet colonized (DIETARY_SUPPLEMENT).

Who is sponsoring clinical trial NCT03752684?

This trial is sponsored by University of Alabama at Birmingham, which has 1,160 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03752684's enrollment target sits among peer trials

26 1710th of 2000 higher than 289 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03752684, the US trial registry maintained by the National Library of Medicine. NCT03752684 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.