- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02505386
Pharmacokinetics of Ertapenem in Patients Aged Over 75 (PHACINERTA)
Pharmacokinetics of Ertapenem Following Subcutaneous or Intravenous Infusion in Patients Aged Over 75 (PHACINERTA)
In geriatric departments, physicians are faced with two difficulties, first the increasing number of infections caused by multiresistant bacteria, especially extended spectrum β-lactamase (ESBL) producing enterobacteria strains and second, the poor venous access frequently encountered in elderly population. Giving antibiotics subcutaneously would be an interesting alternative, all the more as intramuscular injection is contraindicated in case the of anticoagulant therapy. Unfortunately, few data are available about subcutaneous (SC) administration. Ertapenem is a recent long-acting parenteral carbapenem indicated especially in the treatment of ESBL infection. Its subcutaneously administration has been tested in several studies in Intensive Care Units (ICU) and internal medicine wards with promising results regarding clinical and pharmacokinetics data.
An alternative to the IV Ertapenem administration is needed because of poor venous access and behavioural abnormalities commonly present in infected elderly population. Ertapenem is currently SC administrated in geriatric departments if no other option is available. Moreover elderly patients often present several comorbdities, polymedication, renal insufficiency, cachexia which may disturb antibiotics pharmacokinetics.
The aim of the study is to obtain pharmacokinetic data of SC and IV Ertapenem administration in elderly population, obtain PK/PD parameters adapted to time-dependent antibiotics (T%>MIC) and descriptive data of occurrence of adverse effects and evolution of signs of infection.
Study Overview
Detailed Description
ESBL infection incidence increases especially in elderly population (Observatoire National de l'Epidémiologie de la Résistance Bactérienne aux Antibiotiques (ONERBA) www.onerba.org). SC antibiotic route is sometimes the only option available for infected elderly patients (delirium, dementia or no venous access) and presents advantages like greater patient comfort, less nursing time and decrease hospital duration. Ertapenem has a relatively long half life (4 hours) compared to imipenem (1 hour) and a less broad spectrum. Two studies compared the ertapenem pharmacokinetics regarding IV or SC administration. The first concerned 6 patients admitted in ICU and the second 16 patients in internal medicine department. They found IV and SC administrations were equivalent considering that ertapenem antimicrobial activity was time dependent. In fact, a reduction of peak concentration and of time to peak concentration was observed in both studies, but the Area Under the Curve were similar especially the time spent over the Minimal Inhibitory Concentration. Both studies did not observe any severe adverse effects. Because of these promising results and despite not being approved yet, SC Ertapenem, is commonly used in geriatric department. This administration route is chosen when no other option is available, for instance in cases of behavioural disturbance and lack of venous access.
The objective of the investigators study is to confirm the pharmacokinetics data in elderly population known to present frequently renal insufficiency and denutrition and to document the occurrence of adverse effects and clinical evolution.
Patients over 75 receiving ertapenem for 48 hours (IV or SC) will be included. Ertapenem concentrations (H0, H+0.5h and H+2.5h) will be determined at steady state and described based on administration route. Systemic and local adverse effects will be collected during the treatment and infection evolution will be described.
Patients will be monitored during ertapenem treatment and for 45 days after the beginning of the treatment. Biological data will be obtained initially at inclusion (D3 after ertapenem beginning) and for 14 days (+/-10) after the beginning of the treatment (corresponding to end of treatment). Signs of infection evolution will be also monitored for 45 days (+/-10).
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
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Bordeaux, France, 33000
- CHU de Bordeaux
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age> or equal to 75 years
- Treatment with ertapenem (1g daily) for at least 48 hours IV or SC (or one then the other)
- Subject affiliated or beneficiary of a social security system,
- Free Consent, informed and signed by the participant or by the designation of a proxy if delirium and the investigator.
Exclusion Criteria:
- Age < 75 years
- Criteria for legislation: those under protection of the justice, subject participating in other research, including a period of exclusion still going to pre-inclusion
Study Plan
How is the study designed?
Design Details
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Ertapenem IV
IV administration of ertapenem
|
|
Experimental: Ertapenem SC
SC administration of ertapenem
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Area under the curve established from the minimal concentration
Time Frame: 48 hours after ertapenem beginning
|
To determine and compare Area under the curve established from the minimal concentration, Maximal concentration n°1 (at the end of the infusion) and Maximal concentration n°2 (2 hours after the end of the infusion) between intravenous and subcutaneous (SC) routes
|
48 hours after ertapenem beginning
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time spent over the minimal inhibitory concentration
Time Frame: 48 hours after ertapenem beginning
|
To assess the time spent over the minimal inhibitory concentration
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48 hours after ertapenem beginning
|
Number of Participants with Adverse Events (AE) as a Measure of Safety and Tolerability
Time Frame: From the ertapenem beginning until 15 days after the end of the treatment
|
To assess and graduate the number of AE
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From the ertapenem beginning until 15 days after the end of the treatment
|
Proportion of recovery
Time Frame: At the end of the treatment
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To assess the efficacy of the treatment
|
At the end of the treatment
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Claire ROUBAUD BAUDRON, MD, University Hospital, Bordeaux
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CHUBX 2013/12
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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