- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01372371
Efficacy of Local Powder Prophylactics
Effects of Applying Powdered Prophylactics Verses Intravenous Antibiotics Only on Post-operative Infection Rate
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Subjects will be divided into three groups based on the procedure used for the application of antibiotics
- No local antibiotics (control group): In this group, individuals will be subjected to peri-operative intravenous* antibiotics only
- Gram positive antibiotic: In this group, gram positive (powdered vancomycin)+ will be applied to the site of surgery, before closure of the wound, along with peri-operative intravenous antibiotics*
Gram positive and gram negative: In this group, gram positive (powdered vancomycin) will be instilled on the site of surgery, before closing the wound, and gram negative antibiotic (gentamycin mixed with bone cement)+ will be used, along with peri-operative intravenous antibiotics* (only in cases of implant fixation).
Intravenous antibiotic dosage: 1 pre-operative dose of Cefuroxime 1.5 gm and 2 post-operative doses of Cefuroxime 750 mg.
- Vancomycin and Gentamycin dosage: 500 mg of vancomycin powder will be used and in group 'c' gentamycin mixed with bone cement will be used along with vancomycin powder.
Sample size: Based on, finding at least 4% difference between the proportions of infections found in control (generally 5%, 4% in case of joint replacement) and case groups (1%) (proportions were assumed from literature and our institute records), a sample size of minimum 285 in each group (424 for joint replacement cases) will be considered for the observation to be significant at an alpha level of 0.05. This will give the study a minimum power of 80%.
Spine cases: Control = 143, Gram-P = 143; Trauma cases: Control = 143, Gram-P = 143; Joint replacement cases: Control = 424, Gram-P = 424, Gram-P+Gram-N = 424; Total = 1844; Where Control - Cases with intravenous antibiotic dose; Gram-P - Cases with intravenous antibiotic + local antibiotic (Vancomycin, acts against gram positive bacteria); Gram-N - Cases with intravenous antibiotic + local antibiotic (Vancomycin, acts against gram positive bacteria) + local Gentamycin cement (acts against gram negative bacteria).
Procedure: Sampling will be based on stratified procedure. The total sample will be divided into categories based on the type of surgery, which are spine, trauma and joint replacement. Subjects within each category will be randomly selected for the three antibiotic treatments. For this study, we will use computer software to generate restricted randomization to achieve balance between groups in size. Within this restricted randomization, single block random size will be used to ensure randomization within each group.
While joint surgery category will have all the three groups of cases (a, b and c), spine and trauma surgery category will have only two groups (a and b). Surgeries will be performed accordingly i.e. control group individuals will undergo mandated hospital policy requirements + perioperative intravenous antibiotic treatment and cases will undergo mandated hospital policy requirements + powdered vancomycin, or both vancomycin, just before the closure of the wound, and gentamycin as a mix with bone cement. Patients who exhibit both superficial and deep wood infection will be considered as infected and accounted for statistical analysis.
- Analysis: Our main parameter of comparison is infection percentage among control and cases. Various factors like duration of surgery, tourniquet time, prior infections, blood transfusion, haemoglobin count, comorbidities, etc, will be considered while analysing for infection percentage. Infection proportions will be compared between different groups at a significance level of 0.05.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
Tamil Nadu
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Coimbatore, Tamil Nadu, India, 641043
- Recruiting
- Ganga Hospital, Orthopaedics Department
-
Contact:
- Janardhan Yerramshetty, Ph.D.
- Phone Number: 0422-2485000
- Email: jyerram@gmail.com
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Principal Investigator:
- Rajasekaran Shanmuganathan, Ph.D.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- All joint replacement patients
- All non infected spine patients
- Hemiarthroplasty, All upper limb plating of closed fractures
Exclusion Criteria:
- Open injuries in trauma
- Revision joint replacement surgeries
- Patients with suspicion of existing infection
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Vancomycin
|
1 pre-operative dose of intravenous Cefuroxime (1.5 gm) and 2 post-operative doses of Cefuroxime (750 mg) + 500 mg of vancomycin instilled on surgical site before closure
|
Active Comparator: Vancomycin and Gentamycin
|
1 pre-operative dose of intravenous Cefuroxime (1.5 gm) and 2 post-operative doses of Cefuroxime (750 mg) and 500 mg of vancomycin powder on surgical site before closure with gentamycin bone cement for joint replacement cases.
|
Active Comparator: Intravenous Antibiotic
|
1 pre-operative dose of Cefuroxime (1.5 gm) and 2 post-operative doses of Cefuroxime (750 mg)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Infection percent after surgery
Time Frame: Within one year after surgery
|
Within one year after surgery
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Rajasekaran Shanmuganathan, Ph.D., Ganga Hospital
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
- U1111-1119-9648
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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