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Cava-pulmonary AnastomosisSSINCT01449669

Surgical Site Infection Study

An observational study of Cava-pulmonary Anastomosis, run by Children's Hospital of Philadelphia.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to investigate the pharmacokinetics of cefazolin using both plasma and microdialysate sampling methods in children with single ventricle physiology undergoing their second palliation procedure. Read more about this study

Who is it for?
Ages 3 to 6 months
Conditions the study is for
Cava-pulmonary Anastomosis
How many people
14 participants
Where
No sites listed yet
Study dates
Sep 2011to Feb 2014
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 3 to 6 months
  • All sexes
  • No healthy volunteers
  • Child

Study population: Males or females with single ventricle physiology undergoing their second palliation procedure (typically performed between 3-6 months of age)

Who may be able to join

  • Males or females with single ventricle physiology undergoing their second palliation procedure (typically performed between 3-6 months of age)
  • Use of cefazolin as the prophylactic antibiotic during the operation
  • Written informed consent provided by the parent or legal guardian

Who cannot join

  • Use of prophylactic antibiotic other than cefazolin during the operation
  • Anatomic or other abnormalities of the upper arm that would preclude insertion of a microdialysis catheter
  • Known renal or hepatic function

About this study

Official title: Skeletal Muscle and Plasma Concentrations of Cefazolin During Pediatric Cardiac Surgery Utilizing Cardiopulmonary Bypass, Deep Hypothermic Cardiac Arrest, and Modified Ultrafiltration

The purpose of this study is to investigate the pharmacokinetics of cefazolin using both plasma and microdialysate sampling methods in children with single ventricle physiology undergoing their second palliation procedure. This will provide data to determine if the current standard dosing regimen of cefazolin is adequate to achieve and maintain tissue concentrations greater than the minimum inhibitory concentrations (MIC) for common post-surgical pathogens that cause Surgical Site Infections (SSIs).

Read the detailed description

This study aims to sample interstitial fluid (IF) of infants undergoing superior cava-pulmonary anastomosis (either Glenn or Hemi-Fontan) cardiac surgical procedures who receive cefazolin as their surgical prophylactic antibiotic. Cefazolin concentrations will then be determined in both microdialysate and plasma samples and used to define the pharmacokinetics of cefazolin at the tissue level and compare that to plasma pharmacokinetics. In addition, the data gathered will be used to assess how cardiopulmonary bypass (CPB), deep hypothermic cardiac arrest (DHCA), and modified ultrafiltration (MUF) affect tissue penetration of the prophylactically administered cefazolin.

The study involves the use of microdialysis (MD) and plasma sampling methods to determine the pharmacokinetic properties of cefazolin when used as a prophylactic antibiotic during the second palliation procedure (superior vena cava-pulmonary anastomosis) for infants with single ventricle physiology. This requires the use of microdialysis (MD) catheters inserted into the left deltoid muscle in eligible subjects after the induction of general anesthesia as well as collection of microdialysate and blood samples throughout the duration of the procedure. Cefazolin will be administered as standard of care. Cefazolin concentrations in the collected samples will be measured via a validated high-performance liquid chromatography (HPLC) and mass spectrometry assay. Pharmacokinetic analyses will be performed.

Keywords
pharmacokinetics, cefazolin, microdialysis sampling, interstitial fluid, skeletal muscle, plasma, children

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Pharmacokinetics of Cefazolin

    Composite (or Profile) of Pharmacokinetics

    Measured: predose, .08,.25, .5, 1, 1.5, 2, 3, 4 hours and post dose.

Secondary outcomes (1)
  1. Investigate the relationship between cefazolin concentrations in the plasma and those at the level of IF of skeletal muscle

    • Investigate the effects of CPB, DHCA, and MUF on tissue distribution of cefazolin
    • Determine the concentration of cefazolin in IF of skeletal muscle at different stages of cardiac surgery and compare these values to concentrations of cefazolin needed to be effective against common bacterial organisms causing SSIs
    • Investigate the relationship between cefazolin concentrations in the plasma and those at the level of IF of skeletal muscle.
    • Assess the safety of the use of microdialysis method during pediatric cardiac surgery

    Measured: One Year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted10 Oct 2011 (estimated)
  2. Study startSep 2011
  3. Primary completionApr 2013
  4. Study completionFeb 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Enrolment
14 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01449669
Sponsor's protocol ID
11-007976
Other IDs
PSSIMD
Acronym
SSI
Status last verified
Feb 2014
First submitted
26 Sep 2011
Last updated
10 Feb 2014
Results posted
No
Data monitoring committee
Yes

Publications

  • Centers for Disease Control and Prevention (CDC). Division of Healthcare Quality Promotion (DHPQ). Estimates of Healthcare-Associated Infections. March 12, 2010. Available at: http://www.cdc.gov/ncidod/dhqp/hai.html. Accessed August 3, 2010.

  • Anderson DJ, Kaye KS, Classen D, Arias KM, Podgorny K, Burstin H, Calfee DP, Coffin SE, Dubberke ER, Fraser V, Gerding DN, Griffin FA, Gross P, Klompas M, Lo E, Marschall J, Mermel LA, Nicolle L, Pegues DA, Perl TM, Saint S, Salgado CD, Weinstein RA, Wise R, Yokoe DS. Strategies to prevent surgical site infections in acute care hospitals. Infect Control Hosp Epidemiol. 2008 Oct;29 Suppl 1:S51-61. doi: 10.1086/591064. No abstract available.

    PubMed 18840089
  • Sparling KW, Ryckman FC, Schoettker PJ, Byczkowski TL, Helpling A, Mandel K, Panchanathan A, Kotagal UR. Financial impact of failing to prevent surgical site infections. Qual Manag Health Care. 2007 Jul-Sep;16(3):219-25. doi: 10.1097/01.QMH.0000281058.99929.ea.

    PubMed 17627217
  • Costello JM, Graham DA, Morrow DF, Morrow J, Potter-Bynoe G, Sandora TJ, Pigula FA, Laussen PC. Risk factors for surgical site infection after cardiac surgery in children. Ann Thorac Surg. 2010 Jun;89(6):1833-41; discussion 1841-2. doi: 10.1016/j.athoracsur.2009.08.081.

    PubMed 20494036
  • Ben-Ami E, Levy I, Katz J, Dagan O, Shalit I. Risk factors for sternal wound infection in children undergoing cardiac surgery: a case-control study. J Hosp Infect. 2008 Dec;70(4):335-40. doi: 10.1016/j.jhin.2008.08.010. Epub 2008 Oct 31.

    PubMed 18951662
  • Holzmann-Pazgal G, Hopkins-Broyles D, Recktenwald A, Hohrein M, Kieffer P, Huddleston C, Anshuman S, Fraser V. Case-control study of pediatric cardiothoracic surgical site infections. Infect Control Hosp Epidemiol. 2008 Jan;29(1):76-9. doi: 10.1086/524323.

    PubMed 18171193
  • Kagen J, Lautenbach E, Bilker WB, Matro J, Bell LM, Dominguez TE, Gaynor JW, Shah SS. Risk factors for mediastinitis following median sternotomy in children. Pediatr Infect Dis J. 2007 Jul;26(7):613-8. doi: 10.1097/INF.0b013e31806166bb.

    PubMed 17596804
  • Allpress AL, Rosenthal GL, Goodrich KM, Lupinetti FM, Zerr DM. Risk factors for surgical site infections after pediatric cardiovascular surgery. Pediatr Infect Dis J. 2004 Mar;23(3):231-4. doi: 10.1097/01.inf.0000114904.21616.ba.

    PubMed 15014298
  • Nateghian A, Taylor G, Robinson JL. Risk factors for surgical site infections following open-heart surgery in a Canadian pediatric population. Am J Infect Control. 2004 Nov;32(7):397-401. doi: 10.1016/j.ajic.2004.03.004.

    PubMed 15525914
  • Mehta PA, Cunningham CK, Colella CB, Alferis G, Weiner LB. Risk factors for sternal wound and other infections in pediatric cardiac surgery patients. Pediatr Infect Dis J. 2000 Oct;19(10):1000-4. doi: 10.1097/00006454-200010000-00012.

    PubMed 11055604

Questions about this trial

What is this clinical trial studying?

An observational study of Cava-pulmonary Anastomosis, run by Children's Hospital of Philadelphia.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 10 Feb 2014. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Pharmacokinetics of Cefazolin (time frame: predose, .08,.25, .5, 1, 1.5, 2, 3, 4 hours and post dose.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01449669, which also lists 10 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Feb 2014.

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