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Charcoal may skew lab results, study warns

NCT ID NCT07220031

Knowledge-focused Sponsor: State University of New York - Upstate Medical University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This study looks at whether taking activated charcoal can change certain blood test results, like osmolality and ethylene glycol levels. Eight healthy volunteers will take a dose of charcoal and have blood drawn over six hours. The goal is to see if charcoal causes false positives or altered readings, which could affect how doctors diagnose poisoning.

What this could mean

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

Active substance
Activated Charcoal
What this could lead to
If it works, this could help doctors interpret lab tests more accurately in patients who have taken charcoal.
What could go wrong
This is a very small, early study in only 8 healthy people. Results may not apply to sick patients or real poisoning cases.

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

Study facts

What this study's own registry entry says, in plain language.

Participants

About 8 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2025

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Healthy volunteers

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Healthy adults Exclusion Criteria: * Any medical comorbidities * Recent illness * Pregnancy * Prisoners * Non-English speaking * Weight \> 100 kg

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Conditions

The condition(s) this trial relates to.

anthrax infection

As listed by the trial registrant

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

Lab interference Osmolality disturbance

Contacts and locations

Locations

  • Upstate Medical University Clinical Research Unit

    Syracuse, New York, 13210, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.