SQ53 Disinfectant Wipes for Prevention of CRBSI

Catheter-related Bloodstream Infection

SQ53 is a novel antimicrobial, sporicidal solution that is based on a platform of quaternary ammonium chloride compounds. It has been tested against a wide range of bacteria, viruses, spores and fungal pathogens. Extensive laboratory testing has demonstrated the effectiveness of SQ53 impregnated wipes in cleaning surfaces including catheters over a 24 hour plus time period. SQ53 also received an in vitro evaluation of the irritancy potential using a tissue engineered human skin model and was found to have no potential for skin irritation. SQ53 is available as a sterilized pack with a single wipe inside. The pack is easy to open by tearing off the top end and presenting the contents to the operator to remove under sterile conditions. The current study will be a randomized single-blinded placebo-controlled clinical trial for SQ53 wipes intended for catheter cleaning in patients receiving home parenteral nutrition.

Parenteral nutrition (PN) therapy is an essential component of medical management of patients suffering from intestinal failure. Depending on the underlying etiology and the type of intestinal failure, the duration of parenteral nutrition therapy could range from several weeks to several years, although a substantial proportion of these patients also require lifelong parenteral nutrition support. These patients continue the infusion of PN at their homes and are managed by the Cleveland Clinic's Home PN support team. These patients require Central Venous Catheters (CVC) for prolonged period of time for infusion of parenteral nutrition. The two most commonly used central catheters for TPN infusion are the Peripherally Inserted Central Catheter (PICC) and Tunneled CVCs. Catheter related blood stream infection (CRBSI) is a major complication of long-term CVCs. CRBSI is associated with high morbidity, mortality and healthcare cost. Additionally, CRBSI can also lead to an interruption in nutrient delivery, loss of work and productivity, premature vascular access device removal, and poor quality of life. Prevention of CRBSI is an important component of clinical management of patients receiving home PN therapy. Several strategies have been adopted to reduce the incidence of CRBSI. A heparin lock solution was used in the past for many years; however, current nutrition society guidelines recommend normal saline locks instead of heparin locks. Published data has suggested that heparin locks have not proven to have a substantial effect on CRBSI prevention, and it paradoxically increases the infection risk due to biofilm production. Antibiotic locks have also been used, although this practice is largely not preferred due to increased risk of infections with resistant microorganisms. Taurolidine is another lock solution which has been studied in the countries outside the United States such as Canada; however, it has not been approved for the use in the U.S. yet.1

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