Trial Outcomes & Findings for Comparing the Efficacy of Reverse Hybrid Therapy and Bismuth Quadruple Therapy (NCT NCT02547038)

NCT ID: NCT02547038

Last Updated: 2019-06-10

Results Overview

Evaluate eradication outcome by endoscopy urease test and histology or urea breath test (Number of Participants With Complete Eradication of Helicobacter Pylori)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

352 participants

Primary outcome timeframe

sixth week after the end of anti- H. pylori therapy

Results posted on

2019-06-10

Participant Flow

recruitment period: August 2015 through February 2017. Type of location: Kaohsiung Veterans General Hospital and Kaohsiung Medical University Chung-Ho Memorial Hospital

None were excluded following participant enrollment.

Participant milestones

Participant milestones
Measure
Pantoprazole+Bismuth+Tetra+Metro
pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days pantoprazole+bismuth+tetra+metro: pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days
(Panto+Amox+Clar+Metr)+(Panto+Amox)
a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily (panto+amox+clar+metr)+(panto+amox): a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily
Overall Study
STARTED
176
176
Overall Study
COMPLETED
173
174
Overall Study
NOT COMPLETED
3
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Pantoprazole+Bismuth+Tetra+Metro
pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days pantoprazole+bismuth+tetra+metro: pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days
(Panto+Amox+Clar+Metr)+(Panto+Amox)
a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily (panto+amox+clar+metr)+(panto+amox): a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily
Overall Study
Lost to Follow-up
3
2

Baseline Characteristics

Comparing the Efficacy of Reverse Hybrid Therapy and Bismuth Quadruple Therapy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Pantoprazole+Bismuth+Tetra+Metro
n=176 Participants
pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days pantoprazole+bismuth+tetra+metro: pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days
(Panto+Amox+Clar+Metr)+(Panto+Amox)
n=176 Participants
a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily (panto+amox+clar+metr)+(panto+amox): a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily
Total
n=352 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Categorical
Between 18 and 65 years
145 Participants
n=99 Participants
137 Participants
n=107 Participants
282 Participants
n=206 Participants
Age, Categorical
>=65 years
31 Participants
n=99 Participants
39 Participants
n=107 Participants
70 Participants
n=206 Participants
Age, Continuous
53.8 years
STANDARD_DEVIATION 12.1 • n=99 Participants
54.5 years
STANDARD_DEVIATION 12.9 • n=107 Participants
54.2 years
STANDARD_DEVIATION 12.5 • n=206 Participants
Sex: Female, Male
Female
97 Participants
n=99 Participants
87 Participants
n=107 Participants
184 Participants
n=206 Participants
Sex: Female, Male
Male
79 Participants
n=99 Participants
89 Participants
n=107 Participants
168 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Asian
176 Participants
n=99 Participants
176 Participants
n=107 Participants
352 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
White
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Region of Enrollment
Taiwan
176 participants
n=99 Participants
176 participants
n=107 Participants
352 participants
n=206 Participants
History of smoking
24 participants
n=99 Participants
35 participants
n=107 Participants
59 participants
n=206 Participants

PRIMARY outcome

Timeframe: sixth week after the end of anti- H. pylori therapy

Population: Intention to treat

Evaluate eradication outcome by endoscopy urease test and histology or urea breath test (Number of Participants With Complete Eradication of Helicobacter Pylori)

Outcome measures

Outcome measures
Measure
Pantoprazole+Bismuth+Tetra+Metro
n=176 Participants
pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days pantoprazole+bismuth+tetra+metro: pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days
(Panto+Amox+Clar+Metr)+(Panto+Amox)
n=176 Participants
a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily (panto+amox+clar+metr)+(panto+amox): a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily
Number of Participants in Which H. Pylori Was Eradicated
169 participants
170 participants

Adverse Events

Pantoprazole+Bismuth+Tetra+Metro

Serious events: 0 serious events
Other events: 86 other events
Deaths: 0 deaths

(Panto+Amox+Clar+Metr)+(Panto+Amox)

Serious events: 0 serious events
Other events: 33 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Pantoprazole+Bismuth+Tetra+Metro
n=176 participants at risk
pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days pantoprazole+bismuth+tetra+metro: pantoprazole 40 mg twice daily, bismuth subcitrate 120 mg four times daily, and tetracycline 500 mg four times daily, and metronidazole 250 mg four times daily for 14 days
(Panto+Amox+Clar+Metr)+(Panto+Amox)
n=176 participants at risk
a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily (panto+amox+clar+metr)+(panto+amox): a 7-day quadruple regimen with pantoprazole 40 mg twice daily, amoxicillin 1 g twice daily, clarithromycin 500 mg twice daily, and metronidazole 500 mg twice daily, followed by a 7-day dual regimen with pantoprazole 40 mg twice daily and amoxicillin 1 g twice daily
General disorders
Nausea
38.1%
67/176 • Number of events 67 • 2 months
8.5%
15/176 • Number of events 15 • 2 months
General disorders
Dizziness
7.4%
13/176 • Number of events 13 • 2 months
2.3%
4/176 • Number of events 4 • 2 months
Gastrointestinal disorders
Abdominal pain
2.8%
5/176 • Number of events 5 • 2 months
4.0%
7/176 • Number of events 7 • 2 months
Gastrointestinal disorders
Diarrhea
0.57%
1/176 • Number of events 1 • 2 months
4.0%
7/176 • Number of events 7 • 2 months

Additional Information

Dr. Ping-I Hsu

Kaohsiung Veterans General Hospital

Phone: +886-7-3422121

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place