NCT04319328

Brief Summary

This study aims to optimize the dosing of cefazolin, ceftazidime, and ciprofloxacin for patients on high-flux hemodialysis. For each antibiotic 20 participants will be enrolled and three blood samples will be collected from each participant. Antibiotic levels will be measured in each blood sample. This data will be used to develop population-pharmacokinetic models for each antibiotic. Finally, Monte Carlo simulations will be used to develop evidence-based dosing recommendations.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
40

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Oct 2019

Longer than P75 for all trials

Geographic Reach
1 country

2 active sites

Status
completed

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 18, 2019

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

March 2, 2020

Completed
22 days until next milestone

First Posted

Study publicly available on registry

March 24, 2020

Completed
4.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 30, 2024

Completed
Last Updated

May 16, 2024

Status Verified

May 1, 2024

Enrollment Period

4.5 years

First QC Date

March 2, 2020

Last Update Submit

May 14, 2024

Conditions

Keywords

HemodialysisPharmacokineticsAntibiotic DosingCefazolinCeftazidimeCiprofloxacin

Outcome Measures

Primary Outcomes (3)

  • Volume of distribution (Vd) for cefazolin, ceftazidime, and ciprofloxacin in infected patients on chronic intermittent high-flux hemodialysis.

    48 to 72 hours

  • Drug elimination (ke) for cefazolin, ceftazidime, and ciprofloxacin in infected patients on chronic intermittent high-flux hemodialysis.

    Drug elimination (ke) during and between dialysis sessions

    48 to 72 hours

  • Drug clearance (CL) for cefazolin, ceftazidime, and ciprofloxacin in infected patients on chronic intermittent high-flux hemodialysis.

    48 to 72 hours

Study Arms (3)

Cefazolin

n = 20

Drug: Cefazolin

Ceftazidime

n = 20

Drug: Ceftazidime

Ciprofloxacin

n = 20

Interventions

Non-interventional pharmacokinetic evaluation

Cefazolin

Non-interventional pharmacokinetic evaluation

Ceftazidime

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Adult patients on chronic intermittent high-flux hemodialysis being treated for infection.

You may qualify if:

  • \>18 years old
  • Proven or suspected infection
  • Receiving cefazolin, ceftazidime, or ciprofloxacin for treatment
  • Treatment course allows for collection of three 6 mL blood samples as per protocol

You may not qualify if:

  • Chronic liver disease, Child Pugh Class C or higher
  • Received study drug as part of a different treatment course in 1-week preceding start of new treatment course
  • Acute kidney injury or recovering kidney function

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Saint Boniface Hospital, Outpatient Hemodialysis Unit

Winnipeg, Manitoba, R2H 2A6, Canada

Location

College of Pharmacy, University of Manitoba

Winnipeg, Manitoba, R3E 0T5, Canada

Location

Biospecimen

Retention: SAMPLES WITHOUT DNA

Blood samples.

MeSH Terms

Conditions

Communicable DiseasesKidney Failure, Chronic

Interventions

CefazolinCeftazidime

Condition Hierarchy (Ancestors)

InfectionsDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsRenal Insufficiency, ChronicRenal InsufficiencyKidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital DiseasesChronic Disease

Intervention Hierarchy (Ancestors)

Cephalosporinsbeta-LactamsLactamsAmidesOrganic ChemicalsThiazinesSulfur CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsCephaloridine

Study Officials

  • Sheryl A Zelenitsky, PharmD

    University of Manitoba

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor, College of Pharmacy, Rady Faculty of Health Sciences

Study Record Dates

First Submitted

March 2, 2020

First Posted

March 24, 2020

Study Start

October 18, 2019

Primary Completion

April 30, 2024

Study Completion

April 30, 2024

Last Updated

May 16, 2024

Record last verified: 2024-05

Locations