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AzTrials

Stomach NeoplasmsIMNCT01499576

Acetic Acid Chromoendoscopy to Judge Gastric Intestinal Metaplasia

A study testing Acetic acid chromoendoscopy in people with Stomach Neoplasms and Metaplasia, run by Konyang University Hospital at 1 site in South Korea.

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

The presence and the extent of gastric intestinal metaplasia(IM) is a good indicator of high risk group of gastric cancer. Many methods was developed to survey it, including multiple gastric biopsy or methylene blue chromoendoscopy. Read more about this study

Who is it for?
Ages 35 to 70 yearsHealthy volunteers can take part
Conditions the study is for
Stomach Neoplasms, Metaplasia
What is being tested?
Acetic acid chromoendoscopy
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
126 participants
Where
1 siteSouth Korea
Study dates
Nov 2011to Apr 2012
Phase
Interventional
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 35 to 70 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Person who undergo gastroduodenoscopy
  • Person who visit Konyang University Hospital

Who cannot join

  • Bleeding diathesis
  • History of stomach neoplasms
  • History of upper gastrointestinal surgery

Trial locations and contacts

1 site in 1 country.

South Korea1 site
  • Department of Gastroenterology and Hepatology; Konyang University Hospital

    Daejeon, 302-718

Other trials in South Korea

About this study

Official title: Acetic Acid Chromoendoscopy for Judging Extent of Gastric Intestinal Metaplasia

The presence and the extent of gastric intestinal metaplasia(IM) is a good indicator of high risk group of gastric cancer. Many methods was developed to survey it, including multiple gastric biopsy or methylene blue chromoendoscopy. But they are not practical in the routine screening exam, limited by cost and accessibility. Spraying of acetic acid is commonly used in screening cervical cancer, to induce whitish discoloration of metaplastic mucosa. The investigators have confirmed such whitish discoloration is induced in gastric IM, with accuracy > 80% in a pilot study of the investigators. This prospective study will tell the accuracy, sensitivity and specificity of acetic acid chromoendoscopy for judging gastric IM.

Being tested
Acetic acid chromoendoscopy
Keywords
Mass Screening, Endoscopy, Gastrointestinal, Stomach Neoplasms, Metaplasia, Diagnosis, Acetic acid, Chromoendoscopy
Medical subject headings
Stomach Neoplasms, Metaplasia, Disease

What participants receive

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

  • Acetic acid chromoendoscopyProcedure or surgery

    Acetic acid chromoendoscopy Spraying 1.5% acetic acid(or vinegar), during screening gastroduodenoscopy

Study groups in NCT01499576
Study groupRoleWhat they receive
Acetic acid sprayingExperimentalNot described
Receives: Procedure: Acetic acid chromoendoscopy

What is being measured

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

  1. Percent Agreement Between Acetic Acid Chromoendoscopy and Endoscopic Biopsy

    Endoscopist judges the presence and the extent of gastric intestinal metaplasia during acetic acid chromoendoscopy. Endoscopist perform five endoscopic biopsies according to the protocol. The degree of agreement between the chromoendoscopy and the endoscopic biopsy is assessed as %.

    Measured: 3 months after the completion of the study (a pathologist reviewed all the biopsy slide)

Secondary outcomes (2)
  1. Agreement of Acetic Acid Chromoendoscopic Reading Between the Two Endoscopists

    The findings of chromoendoscopy will be interpretated by two endoscoipists (read as positive or negative finding) independently.

    We calculate the Kappa index of agreement for the acetic acid chromoendoscopy.

    Measured: One month after the completion of the study

  2. Number of Participants With Adverse Events

    Number of Participants with Adverse Events. Assess kind of side effect and severity. Measured by interview with a physician, just after the procedure and 1weak later.

    Measured: up to 1week after the acetic acid chromoendoscopy

Timeline

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

  1. First posted26 Dec 2011 (estimated)
  2. Study startNov 2011
  3. Primary completionMar 2012
  4. Study completionApr 2012

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 N/A
Primary purpose
Screening
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
126 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01499576
Sponsor's protocol ID
11-62
Acronym
IM
Status last verified
Sep 2014
First submitted
20 Dec 2011
Last updated
26 Sep 2014
Data monitoring committee
Yes

Publications

  • Lambert R, Rey JF, Sankaranarayanan R. Magnification and chromoscopy with the acetic acid test. Endoscopy. 2003 May;35(5):437-45. doi: 10.1055/s-2003-38766. No abstract available.

    PubMed 12701018
  • Lee BE, Kim GH, Park DY, Kim DH, Jeon TY, Park SB, You HS, Ryu DY, Kim DU, Song GA. Acetic acid-indigo carmine chromoendoscopy for delineating early gastric cancers: its usefulness according to histological type. BMC Gastroenterol. 2010 Aug 23;10:97. doi: 10.1186/1471-230X-10-97.

    PubMed 20731830
  • Cassaro M, Rugge M, Gutierrez O, Leandro G, Graham DY, Genta RM. Topographic patterns of intestinal metaplasia and gastric cancer. Am J Gastroenterol. 2000 Jun;95(6):1431-8. doi: 10.1111/j.1572-0241.2000.02074.x.

    PubMed 10894575
  • Song KH, Hwang JA, Kim SM, Ko HS, Kang MK, Ryu KH, Koo HS, Lee TH, Huh KC, Choi YW, Kang YW. Acetic acid chromoendoscopy for determining the extent of gastric intestinal metaplasia. Gastrointest Endosc. 2017 Feb;85(2):349-356. doi: 10.1016/j.gie.2016.07.064. Epub 2016 Aug 8.

    PubMed 27515128

Questions about this trial

What is this clinical trial studying?

A study testing Acetic acid chromoendoscopy in people with Stomach Neoplasms and Metaplasia, run by Konyang University Hospital at 1 site in South Korea.

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 2 inclusion and 3 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 26 Sep 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in South Korea. 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.

Are results available for this study?

Yes. Results are posted in the registry (first posted 26 Sep 2014). 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?

Percent Agreement Between Acetic Acid Chromoendoscopy and Endoscopic Biopsy (time frame: 3 months after the completion of the study (a pathologist reviewed all the biopsy slide)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01499576, which also lists 4 linked publications.

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 26 Sep 2014.

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