NCT01531218

Brief Summary

A randomized, double-blind, placebo-controlled clinical trial of azithromycin in Campylobacter concisus culture positive patients with diarrhea. The clinical characteristics of emerging Campylobacter concisus in adults is vomiting and persistent diarrhea. Whether patients may benefit from antibiotic treatment is unknown. The purpose of this trial is to investigate whether antibiotic treatment with azithromycin of Campylobacter concisus induced diarrhea can better the symptoms and shorten the duration of illness.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
100

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Mar 2012

Geographic Reach
1 country

1 active site

Status
completed

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

First Submitted

Initial submission to the registry

February 8, 2012

Completed
2 days until next milestone

First Posted

Study publicly available on registry

February 10, 2012

Completed
20 days until next milestone

Study Start

First participant enrolled

March 1, 2012

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2013

Completed
Last Updated

July 4, 2014

Status Verified

January 1, 2014

Enrollment Period

1.8 years

First QC Date

February 8, 2012

Last Update Submit

July 3, 2014

Conditions

Keywords

Campylobacterconcisusdiarrheafeverabdominal painvomiting

Outcome Measures

Primary Outcomes (1)

  • Duration of diarrhea in days

    up to 10 days

Secondary Outcomes (1)

  • number of stools/day

    one day

Study Arms (2)

azithromycin

ACTIVE COMPARATOR

azithromycin 500mg

Drug: azithromycin

placebo

PLACEBO COMPARATOR

placebo 500mg

Drug: Placebo

Interventions

azithromycin, oral use, 500mg per day for 3 days in total. Total dose 1500mg

Also known as: zitromax
azithromycin
placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients with culture-positive stool sample with Campylobacter concisus
  • Diarrheic patients ≥ 18 years
  • symptoms of diarrhea defined as three or more watery stools per day or
  • two watery stools per day + at least one of the following symptoms: abdominal pain, nausea, vomiting or fever.
  • Diarrheic symptoms for a minimum of 24 hours before enrollment.
  • Diarrheic symptoms for a maximum of 21 days before enrollment.
  • Informed oral and signed written consent, with documentation that all relevant information about the study is given to the patient.
  • The patient must be willing and able to participate in the trial.

You may not qualify if:

  • Hypersensitivity to azithromycin, erythromycin, macrolide or other ketolide-antibiotics
  • Pregnancy or breastfeeding (if relevant).
  • Culture positive stool sample with a Co-pathogen.
  • Treatment with other antibiotics (in any stage 21 days before the first stool sample).
  • Patients with severe liver disease.
  • Patients with severe renal impairment (GFR \<10 ml / min).
  • Patients with congenital or documented acquired QT prolongation.
  • Patients treated with other active drugs that prolong the QT interval such as: antiarrhythmics of classes IA and III, cisapride and terfenadine.
  • Patients with electrolyte disorders, particularly hypokalemia and hypomagnesemia.
  • Patients with clinically relevant bradycardia, arrhythmia or severe heart failure.
  • Inflammatory bowel diseases
  • Chronic diarrhea of known cause.
  • Dementia.
  • Serious illness less than 21 days from the planned entry into the study.
  • Patients treated with medications that have interactions with azithromycin e.g. alkaloids, ciclosporin or amiodarone.
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Infectious Diseases, Aalborg Hospital

Aalborg, 9000, Denmark

Location

Related Publications (1)

  • Nielsen HL, Kirk KF, Bodilsen J, Ejlertsen T, Nielsen H. Azithromycin vs. Placebo for the Clinical Outcome in Campylobacter concisus Diarrhoea in Adults: A Randomized, Double-Blinded, Placebo-Controlled Clinical Trial. PLoS One. 2016 Nov 28;11(11):e0166395. doi: 10.1371/journal.pone.0166395. eCollection 2016.

MeSH Terms

Conditions

DiarrheaFeverVomitingAbdominal Pain

Interventions

Azithromycin

Condition Hierarchy (Ancestors)

Signs and Symptoms, DigestiveSigns and SymptomsPathological Conditions, Signs and SymptomsBody Temperature ChangesPainNeurologic Manifestations

Intervention Hierarchy (Ancestors)

ErythromycinMacrolidesPolyketidesLactonesOrganic Chemicals

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 8, 2012

First Posted

February 10, 2012

Study Start

March 1, 2012

Primary Completion

December 1, 2013

Study Completion

December 1, 2013

Last Updated

July 4, 2014

Record last verified: 2014-01

Locations