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Chronic Liver DiseasePhase 3MBTNCT00736840

BreathID 13C-Methacetin Breath Test for Detecting Cirrhosis

A Phase 3 study testing c13 methacetin solution with breath analyzer in people with Chronic Liver Disease, run by Meridian Bioscience, Inc. at 11 sites in 2 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This trial is a pivotal trial to validate the use of a 13 C labeled substrate called methacetin and the BreathID automatic breath testing system, for determination of cirrhosis in patients with chronic liver disease. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Chronic Liver Disease
What is being tested?
c13 methacetin solution with breath analyzer
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
414 participants
Where
11 sitesin 2 countries
Study dates
Aug 2008to Sep 2009
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age >18 with chronic liver disease

Who cannot join

  • Patients that are taking hepatotoxin drug.
  • Patient with severe congestive heart failure
  • Patient with severe pulmonary hypertension
  • Patient with uncontrolled diabetes mellitus
  • Patient with previous surgical bypass surgery for morbid obesity
  • Patient with extensive small bowel resection
Show all 15Show fewer
  • Patient currently receiving total parenteral nutrition
  • Patient is a recipients of any organ transplant
  • Patients that received any anti-viral treatment within the past year
  • Women who are pregnant
  • Patient allergic to acetaminophen (such as Tylenol or any other related medications)
  • Patient with history of chronic obstructive pulmonary disease or symptomatic bronchial asthma
  • Patients unable to sign informed consent
  • Patients that based on the opinion of the investigator should not be enrolled into this study
  • Patients that are participating in other clinical trials evaluating experimental treatments or procedures

Trial locations and contacts

11 sites in 2 countries.

11 sites in 2 countries

United States8 sites
  • Medical University of South Carolina

    Charleston, South Carolina, 29435

  • Cleveland Clinic

    Cleveland, Ohio, 44195

  • Henry Ford Health Sytem

    Detroit, Michigan, 48202

  • Inova Helath System

    Falls Church, Virginia, 22042

  • St Luke's Episcopal Hospital, Baylor College of Medicine

    Houston, Texas, 77030

  • Cedars Sinai Medical Center

    Los Angeles, California, 90048

  • University of Pennsylvania Health System

    Philadelphia, Pennsylvania, 19104

  • Virginia Commonwealth University Medical Center

    Richmond, Virginia, 23298-0341

Other trials in United States

Israel3 sites
  • Soroka Medical Center

    Beersheba

  • Carmel Medical Center

    Haifa

  • Hadassah Medical Center

    Jerusalem, 93000

Other trials in Israel

About this study

Official title: Pivotal Study to Evaluate the Efficacy and Safety of the BreathID® System for Detection of Cirrhosis Using the ¹³C-methacetin Breath Test(MBT)

This trial is a pivotal trial to validate the use of a 13 C labeled substrate called methacetin and the BreathID automatic breath testing system, for determination of cirrhosis in patients with chronic liver disease.

Read the detailed description

Patients with chronic liver disease who have a recent biopsy will be offered a breath test. Correlation will be shown between histology and breath test in determining cirrhosis.

Being tested
c13 methacetin solution with breath analyzer
Keywords
Methacetin, Breath, Test, Cirrhosis
Medical subject headings
Fibrosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • c13 methacetin solution with breath analyzerDevice

    Carbon 13 methacetin 75mg dissolved in 150 ml is given to the subject and metabolism is measured by a breath analyzer after decomposed by the liver

Study groups in NCT00736840
Study groupRoleWhat they receive
CLD (chronic liver disease)OtherChronic liver disease subjects with recent biopsy will be tested with a breath tests using a 13C enriched substrate metabolized by their liver
Receives: Device: c13 methacetin solution with breath analyzer

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Subjects With Likelihood of Cirrhosis Based on "Hepatic Impairment Score" (HIS)

    "Hepatic Impairment Score" (HIS) is a score based on breath test parameters and demographic parameters of the subject being tested. A HIS value greater than 0.14 would mean that the subject is likely to be cirrhotic (based on biopsy result as the gold standard). The HIS is a probability score,i.e. ranges from 0 to 1, where 0 would mean the lowest probability of having liver cirrhosis and 1 would be the highest probability of having liver cirrhosis. This would be compared to the actual biopsy result of cirrhosis detection as the gold standard.

    Measured: Study day 1 after a 1 hour test

Secondary outcomes (1)
  1. AUC of ROC (Area Under Receiver Operating Characteristic Curve)

    The AUC represents a summary measure of the ROC curve and is the accuracy of the HIS in detecting cirrhosis compared to the gold standard of biopsy.

    Measured: At study day 1 after 1 hour test

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Aug 2008 (estimated)
  2. Study startAug 2008
  3. Primary completionSep 2009
  4. Study completionSep 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
Single blind
Who is masked
Investigator
Enrolment
414 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00736840
Sponsor's protocol ID
HIS-EX-408
Acronym
MBT
Status last verified
Dec 2022
First submitted
14 Aug 2008
Last updated
12 Jan 2023
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing c13 methacetin solution with breath analyzer in people with Chronic Liver Disease, run by Meridian Bioscience, Inc. at 11 sites in 2 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 12 Jan 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 11 sites in United States, Israel. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 16 Mar 2012). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Subjects With Likelihood of Cirrhosis Based on "Hepatic Impairment Score" (HIS) (time frame: Study day 1 after a 1 hour test). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Jan 2023.

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