NCT04101708

Brief Summary

The purpose of this study is to assess and compare the effectiveness and safety of high-dose dual therapy and half-dose clarithromycin-containing bismuth quadruple therapy in elderly patients for eradicating H.pylori.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
100

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Sep 2019

Typical duration for phase_4

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 20, 2019

Completed
3 days until next milestone

First Submitted

Initial submission to the registry

September 23, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

September 24, 2019

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 20, 2021

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

September 20, 2022

Completed
Last Updated

September 24, 2019

Status Verified

September 1, 2019

Enrollment Period

2 years

First QC Date

September 23, 2019

Last Update Submit

September 23, 2019

Conditions

Keywords

elderly,helicobacter pylori eradication,dual therapy,half-dose clarithromycin

Outcome Measures

Primary Outcomes (1)

  • eradication rate of the two groups

    24 months

Study Arms (2)

high dose dual group

EXPERIMENTAL

Patients in high dose dual group will receive lansoprazole (Takepron) 30mg po qid, amoxicillin 750mg po qid for 14d

Drug: Lansoprazole, Amoxicillin

half-dose clarithromycin-containing bismuth quadruple group

ACTIVE COMPARATOR

Patients in half-dose clarithromycin-containing bismuth quadruple group will receive lansoprazole (Takepron) 30mg po bid, amoxicillin 1000mg po bid, bismuth subcitrate (Colloidal Bismuth Pectin) 200mg po bid, and clarithromycin (Klacid) 250mg po bid for 14d

Drug: Lansoprazole, Amoxicillin,Clarithromycin and Bismuth subcitrate

Interventions

high dose dual regimen

high dose dual group

half-dose clarithromycin-containing bismuth quadruple regimen

half-dose clarithromycin-containing bismuth quadruple group

Eligibility Criteria

Age65 Years+
Sexall
Healthy VolunteersYes
Age GroupsOlder Adult (65+)

You may qualify if:

  • Patients, aged greater than 65 , with positive H. pylori infection that was not eradicated by previous therapies are included. The H. pylori infection is confirmed by the positive rapid urease test or 13C-breath test.

You may not qualify if:

  • Patients with significant underlying disease including liver, cardiac, pulmonary, and renal diseases, neoplasia, coagulopathy and genetic diseases, history of gastric surgery, pregnancy, breast-feeding, active gastrointestinal bleeding, the use of PPI, NSAID or antibiotics during the 4 weeks prior to enrolment, and previous history of allergic reactions to any of the medications used in this protocol. Patients previously treated with H. pylori eradication regimens or those unwilling to participate in the study were also excluded.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Qilu hosipital

Jinan, Shandong, 257000, China

Location

MeSH Terms

Interventions

LansoprazoleAmoxicillinClarithromycinbismuth tripotassium dicitrate

Intervention Hierarchy (Ancestors)

2-PyridinylmethylsulfinylbenzimidazolesSulfoxidesSulfur CompoundsOrganic ChemicalsPyridinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsBenzimidazolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingAmpicillinPenicillin GPenicillinsbeta-LactamsLactamsAmidesErythromycinMacrolidesPolyketidesLactones

Study Officials

  • Xiuli Zuo, MD,PhD

    Qilu Hospital of Shandong University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Xiuli Zuo, MD,PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
director of Qilu Hospital gastroenterology department

Study Record Dates

First Submitted

September 23, 2019

First Posted

September 24, 2019

Study Start

September 20, 2019

Primary Completion

September 20, 2021

Study Completion

September 20, 2022

Last Updated

September 24, 2019

Record last verified: 2019-09

Locations