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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT03466489
Other study ID # 20180222
Secondary ID
Status Withdrawn
Phase N/A
First received
Last updated
Start date January 1, 2018
Est. completion date February 1, 2020

Study information

Verified date July 2019
Source University of Miami
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Infection after total joint arthroplasty can have devastating consequences. Adhesive drapes have been traditionally used at our institution to help reduce the risk of wound contamination and infection by superficial skin flora. Our primary objective is to determine if a cyanoacrylate-based sealant (FloraSeal microbial sealant) is superior to conventional iodine impregnated drapes in prevention of both superficial and deep surgical site infections in total joint arthroplasty (TJA) patients. A prospective, randomized controlled model will be used to answer this question.


Description:

Demand for Total Knee Arthroplasty (TKA) and Total Hip Arthroplasty (THA) is increasing steadily and is projected to continue trending upwards in the coming years. Postoperative infections are a common but also potentially devastating complication of total joint arthroplasty.

Various strategies are employed both pre-operatively and post-operatively to prevent this complication. A 2011 Cochrane Review concluded that Iodine impregnated adhesive drapes had no impact on surgical site infection rate when used in various surgical procedures not specific to orthopaedics. The recent SSI prevention guidelines by the World Health Organization did not find any evidence to support the use of adhesive drapes during surgery and recommends against its use.

Currently, iodine impregnated adhesive drapes in conjunction with either chorahexadine gluconate or Iodine Povacrylex and Isopropyl Alcohol are the standard of care at our institution.

FloraSeal is a cyanoacrylate-based sealant. A cyanoacrylate microbial sealant minimizes endogenous bacteria spread to the surgical site by forming a sterile film bonded onto a patient's skin. This film, which is formed upon polymerization, prevents the spread of microorganisms. The protective mechanism is mechanical: the film traps and immobilizes microorganisms that survive on a patient's skin. It has been previously shown to effectively immobilize both gram positive and gram negative bacteria. Additionally, the sealant itself can effectively reduce the superficial bacterial burden on the skin surface and also helps reduce skin moisture buildup on skin.

Furthermore, with conventional adhesive drapes, the edges must be peeled back at the time of skin closure in order to effectively close the surgical site. It is at this moment that the incision becomes most vulnerable to penetration by local microorganisms. FloraSeal and other cyanoacrylate based sealants remain on the skin for 5 to 10 days until the superficial skin sloughs off.

Studies on sterile pig skin demonstrated FloraSeal to be more effective alone at immobilizing bacteria than incisional drapes. The efficacy was the same when FloraSeal was used with or without the incisional drapes, demonstrating that it may be used as a substitute.

Additionally, a 2013 retrospective study in revision shoulder arthroplasty demonstrated a potential reduction in positive intraoperative deep tissue cultures when using a cyanoacrylate-based microbial sealant versus the iodine impregnated incisional drapes. The study lacked sufficient power to reach significance, calling for further investigation of this effect.

Cyanoacrylate has been investigated in other surgical interventions. A 2008 prospective, randomized multicenter clinical trial in patients undergoing elective open hernia repair demonstrated cyanoacrylate-based microbial sealant independently reduced wound contamination over the course of the operation.

Due to the potentially devastating complications associated with postoperative infection, the investigators seek to find alternative methods of prevention of surgical site infection.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date February 1, 2020
Est. primary completion date November 1, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- > 18 years of age

- Have signed the written informed consent form

Exclusion Criteria:

- Patients not fluent in the language of the informed consent form

- Prisoners

- Pregnancy

- Reported to have mental illness or belonging to a vulnerable population

- History of dermatitis or allergic reaction to cyanoacrylate based materials or iodine

- Patients undergoing revision total joint arthroplasty secondary to infection

- Allergy to Iodine.

- Patients undergoing total joint arthroplasty in the setting of acute trauma

Study Design


Intervention

Device:
Floraseal
FloraSeal is a cyanoacrylate-based sealant used in the prevention of surgical site infections.

Locations

Country Name City State
United States University of Miami Hospital Miami Florida

Sponsors (2)

Lead Sponsor Collaborator
University of Miami Osteoremedies

Country where clinical trial is conducted

United States, 

References & Publications (7)

Bailey IS, Karran SE, Toyn K, Brough P, Ranaboldo C, Karran SJ. Community surveillance of complications after hernia surgery. BMJ. 1992 Feb 22;304(6825):469-71. Erratum in: BMJ 1992 Mar 21;304(6829):739. — View Citation

Fairclough JA, Johnson D, Mackie I. The prevention of wound contamination by skin organisms by the pre-operative application of an iodophor impregnated plastic adhesive drape. J Int Med Res. 1986;14(2):105-9. — View Citation

Lorenzetti AJ, Wongworawat MD, Jobe CM, Phipatanakul WP. Cyanoacrylate microbial sealant may reduce the prevalence of positive cultures in revision shoulder arthroplasty. Clin Orthop Relat Res. 2013 Oct;471(10):3225-9. doi: 10.1007/s11999-013-2854-5. — View Citation

Prince D, Kohan K, Solanki Z, Mastej J, Prince D, Varughese R, et al. Immobilization and death of bacteria by Flora Seal® microbial sealant. International Journal of Pharmaceutical Science Invention. 2017 Jun;6(6):45-9.

Towfigh S, Cheadle WG, Lowry SF, Malangoni MA, Wilson SE. Significant reduction in incidence of wound contamination by skin flora through use of microbial sealant. Arch Surg. 2008 Sep;143(9):885-91; discussion 891. doi: 10.1001/archsurg.143.9.885. — View Citation

Webster J, Alghamdi A. Use of plastic adhesive drapes during surgery for preventing surgical site infection. Cochrane Database Syst Rev. 2015 Apr 22;(4):CD006353. doi: 10.1002/14651858.CD006353.pub4. Review. — View Citation

Zhang S, Ruiz R. FloraSeal® microbial sealant: a comprehensive solution to skin flora. 2015.

Outcome

Type Measure Description Time frame Safety issue
Primary Appearance of Surgical Site The surgical incision will be checked post-operatively for signs of infection or dehiscence. 90 days from date of surgery
Secondary Intra-operative cultures Five wound cultures will be obtained at various points during the operation to test for contamination of the surgical site Intra-operative - Cannot be clearly defined as it will depend on the duration of the surgical procedure.
Secondary Post-operative complication - Antibiotic administration Some surgical site infections may be managed with either intravenous or oral antibiotics. Both groups will be followed to see if either required antibiotic administration. 90 days from date of surgery
Secondary Post-operative complication - Re-operation Some surgical site infections require surgical debridement. Patients will be followed to determine which patients require re-operation. 90 days from date of surgery
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