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CompletedNCT04036838Updated Oct 23, 2019Results posted

ARJ C13 Urea Breath Test System

A Phase 2 interventional study of PyloPlus UBT System and Histology in H. Pylori Infection, sponsored by ARJ Medical, Inc.. Completed at 6 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2019-10-23.

Sponsored by ARJ Medical, Inc. · Phase 2, Interventional, and Diagnostic

From the registry’s dates

  • Registered 4 years after the study started (first participant enrolled Jul 2015, registered Jul 2019).
Phase
Phase 2
Study type
Interventional
Enrollment
415
Allocation
Non-randomized
Ages
18 Years and older
Sex
All
01

Study summary

An open-label, comparative group study to evaluate the equivalency of the PyloPlus 13C Urea Breath Test to predicate devices on the market.

Read the detailed description

An open-label, comparative group study to evaluate the equivalency of the PyloPlus 13C Urea Breath Test to predicate devices on the market. Predicate devices include: Histology, Culture, RUT, and other 13C Breath Tests.

02

Conditions studied

  • H. Pylori Infection
03

In context

Lead sponsor

ARJ Medical, Inc. is the lead sponsor of 3 studies on the registry; 2 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Male or female at least 18 years of age at the time of visit
  • Patients who are experiencing the effects of gastritis
  • Written informed consent (and assent when applicable) obtained from subject and ability for subject to comply with the requirements of the study

Exclusion criteria

Exclusion Criteria:

  • Pregnant or lactating women.
  • Study subjects currently taking antibiotics
  • Presence of a condition or abnormality that in the opinion of the Investigator would compromise the safety of the patient or the quality of the data
  • Fasting required one hour prior to testing
  • Study subjects shall not consume the following items prior to the test: Mouthwash, Chewing Gum, Carbonated Beverages, Cigarette Smoke, Acetone (to stimulate the effect of ketone production that may result from some diets), Alcohol
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Study design

Phase
Phase 2
Primary purpose
Diagnostic
Allocation
Non-randomized
Intervention model
Single group
Masking
None (open label)
Enrollment
415 participants (actual)

Study arms

  • Experimental
    Indication for H.pylori testing

    Walk in basis: Symptomatic patients of H.pylori infection will be enrolled for this study if all acceptance criteria are met. Patients will undergo C13 Urea Breath Test in addition to at least 2 other diagnostic tools from one obtained biopsy as comparison.

    Combination Product: PyloPlus UBT System · Diagnostic Test: Histology · Diagnostic Test: Rapid Urease Test · Diagnostic Test: H.pylori Culture

Interventions

  • Combination productPyloPlus UBT System

    Breath will be analyzed for change in carbon 13 content in breath after ingestion of enriched carbon 13 urea.

  • Diagnostic testHistology

    Biopsy specimen fixed with 10% buffered formalin were cut into 4mm sections, stained with Giemsa stain, and examined by experienced pathologist

  • Diagnostic testRapid Urease Test

    Biopsy specimen obtained and placed onto Rapid Urease Test

  • Diagnostic testH.pylori Culture

    Biopsy specimen obtained and sent to lab for culture analysis

06

What researchers measure

Primary outcomes

  1. Overall Percent Agreement

    The primary study endpoint is the performance measure in initial diagnosis (histology, RUT, culture) compared to the PyloPlus 13C UBT System Primary outcome of this study is to provide overall percent agreement in initial diagnosis with the PyloPlus 13C UBT System in comparison to other known diagnostic tools (histology, RUT, culture).

    Time frame: 2 Visits

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Results

Posted Oct 2, 2019

Participant flow

Participant flow — Overall Study
MilestoneIndication for H.Pylori Testing
Started415
Completed324
Not completed91

Outcome measures

PrimaryOverall Percent Agreement

The primary study endpoint is the performance measure in initial diagnosis (histology, RUT, culture) compared to the PyloPlus 13C UBT System Primary outcome of this study is to provide overall percent agreement in initial diagnosis with the PyloPlus 13C UBT System in comparison to other known diagnostic tools (histology, RUT, culture).

Time frame:
2 Visits
Reported as:
Number · percentage of pos. agreement
Overall Percent Agreement
percentage of pos. agreementIndication for H.Pylori Testing
Sensitivity98.40 (91.7 to 99.7)
Specificity99.20 (97.2 to 99.8)

Adverse events

Collected over 2 Days. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Indication for H.Pylori Testing0/324 (0%)0/324 (0%)0/324 (0%)

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Indication for H.Pylori Testing
<=18 years0
Between 18 and 65 years203
>=65 years121
Sex: Female, Male
Sex: Female, Male(Participants)Indication for H.Pylori Testing
Female220
Male104
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Indication for H.Pylori Testing
Asian3
Black or African American13
Hispanic59
Other/Unknown/Not Reported116
White133
Region of Enrollment
Region of Enrollment(Participants)Indication for H.Pylori Testing
United States324
08

Study locations

6 sites
  • American Gastroenterology and Hepatology
    Clearwater, Florida 33765, United States
  • South Lake Gastrenology
    Clermont, Florida 34711, United States
  • Florida Center for Gastroenterology
    Largo, Florida 33777, United States
  • Habana Medical Center
    Tampa, Florida 33614, United States
  • Whitaker, Weintraub & Grizzard
    Tampa, Florida 33629, United States
  • Bay Area Gastroenterology Associates
    Trinity, Florida 34655, United States
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References and documents

Study documents

  • Protocol and statistical analysis plan · Jun 26, 2015

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Oct 23, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT04036838
Lead sponsor
ARJ Medical, Inc.
Responsible party
Sponsor
First posted
Jul 30, 2019
Start date
Jul 6, 2015
Primary completion
Jun 14, 2017
Completion
Jun 14, 2017
Results posted
Oct 2, 2019
Last update
Oct 23, 2019

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
Yes
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Oct 2019. You cannot join it, but the record below documents what was studied.

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