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This study is a prospective, single-center, single-blind, randomized, parallel assignment, controlled study to evaluate the safety and performance of the novel CytaCoat Foley catheter when compared to a Sterimed uncoated Foley catheter. Participants will include male and female adult subjects who require an indwelling urinary catheter for an expected duration of minimum 72 hours to 14 days.
The primary purpose of the clinical investigation is to determine whether the novel CytaCoat Foley catheter is safe to use in subjects. Safety is assessed by evaluation of adverse events (according to ISO 14155:2020).
The secondary objective is to assess the overall performance of the CytaCoat Foley catheter by evaluating usability experience by the healthcare personnel and subjects measured by using NRS (Numeric Rating Scale) scale.
Furthermore, the exploratory objective of this study is to assess for the presence of bacteriuria in urine and fouling / biofilm analysis of the used catheters.
Full description
Study description This clinical study is designed to evaluate the safety and performance of the CytaCoat Foley catheter in subjects requiring urinary catheterization. The study will be conducted as a randomized, controlled trial with two parallel groups, wherein one group will receive the CytaCoat Foley catheter, and the other will receive a standard silicone Foley catheter as the control.
The study aims to determine the incidence of adverse events and to assess the overall performance of the CytaCoat Foley catheter in terms of patient outcomes, ease of use, and durability. The study will include patients who meet the inclusion criteria, with a defined follow-up period to assess the outcomes.
The primary purpose of the clinical study is to determine whether the novel CytaCoat Foley catheter is safe to use in subjects. The claims regarding clinical performance and clinical safety that the manufacturer intends to use:
Primary Objective The primary objective of this study is to determine the safety for the CytaCoat Foley catheter. Safety is assessed by evaluation of adverse events (according to ISO 14155:2020). Adverse events (AEs) and Serious Adverse Events (SAEs) are further divided into Adverse Device Effects (ADEs) and Serious ADEs (SADEs).
Secondary Objective The secondary objective is to assess the overall performance of the CytaCoat Foley catheter by evaluating usability experience by the healthcare personnel and subjects measured by using NRS scale.
Furthermore, the exploratory objective of this study is to assess for the presence of bacteria in urine and fouling / biofilm analysis of the used catheter.
This study is a prospective, single-center, single-blind, randomized, parallel assignment, controlled study to evaluate the safety and performance of the novel CytaCoat Foley catheter when compared to a Sterimed uncoated Foley catheter.
The estimated enrolment is 30 subjects, randomized 1:1 to CytaCoat Foley catheter / Sterimed uncoated Foley catheter (15 subjects in each arm).
In this study, the duration of catheterization is a minimum of 72 hours and a maximum of 14 days. During this period assessments of each subject shall be recorded in the CRF on the day of catheterization (day 0) and day of catheter removal. There is a telephonic follow-up between 7±1 days after the removal of the catheter, which shall be recorded in the CRF (Case Report Form). The data of the urine analysis / culture report and the fouling / biofilm data shall be updated in the CRF after receiving it.
Description of clinical study-related procedures Each subject will take part in the clinical study from the time the subject/legal representative signs the ICF (Informed Consent Form).
APACHE II score is a general measure of disease severity based on current physiological measurements, age & previous health conditions. The score can help in the assessment of subjects to determine the level & degree of diagnostic & therapeutic intervention. APACHE II score (Acute Physiology And Chronic Health Evaluation) will be used to compare baseline characteristics in subjects recruited from critical care. Critically ill subjects will be excluded from this clinical study based on the result obtained from the APACHE II score assessment. Subjects having APACHE II scores more than or equal to 28 will not be considered for the clinical study.
Subjects will be screened using a urine dip stick for presence of bacteriuria. A urine culture will be sent if found positive for bacteriuria. The presence of one or more species of bacteria growing in the urine at specified quantitative counts (≥10^5 Colony Forming Units [CFU]/mL) will be defined as bacteriuria in urine culture.
After the screening, the subjects will be block randomized to either a CytaCoat Foley catheter or a Sterimed uncoated Foley catheter. Subjects will be assigned to receive trial treatment, catheterization for at least 72 hours and up to 14 days or until the catheter has been removed as per standard hospital guidelines, the investigator's decision to withdraw the subject, noncompliance with trial treatment or procedures, unacceptable adverse event, or the subject withdraws consent.
Healthcare providers and the subjects will be asked to complete questionnaires provided in the CRF.
Prior to removing the urinary catheter, a urine culture will be sent for analysis. For this purpose, the catheter between the patient and the drainage bag will be clamped for 30 minutes to allow fresh urine to accumulate in the bladder. During this period, the sampling port on the catheter will be identified and sterilized using an antiseptic wipe, allowing it to air dry completely. After the 30-minute interval, a sterile syringe will be attached to the sampling port, and a volume of 10-20 mL of urine will be carefully aspirated. The collected urine will then be transferred into a labelled sterile culture container.
All indwelling catheters will be sent for fouling / biofilm examination after the removal, according to a provided method description (50).
A subject data sheet will be used to collect subject demographic data, a questionnaire will be used to capture the safety, comfort, and complications related to the catheter.
A telephonic follow-up will be performed by the study nurse 7±1 days after removing the study catheter.
Monitoring The clinical study will be monitored by an independent monitor before the clinical study begins, during the clinical study, and after the clinical study has been completed, so as to ensure that the clinical study is carried out according to the clinical study protocol and that data is collected, documented, and reported according to ISO 14155:2020 and applicable ethical and regulatory requirements. Monitoring is intended to ensure that the subject's rights, safety, and well-being are met as well as data in the CRF are complete, correct, and consistent with the source data.
Study devices The uncoated Sterimed catheter is made from 100% medical grade silicone and is suitable for subjects requiring in-dwelling catheterization.
The CytaCoat Catheter is made of a silicone Foley balloon 2-way catheter from Sterimed, coated with a CytaCoat coating applied to both the inside and the outside of the catheter and the balloon. The coating of the device reduces the friction of the catheter surface to the bladder and urethra, enhancing subject comfort on insertion, carriership and withdrawal.
The coating reduces fouling, prevents biofilm (EPS, Extracellular Polymeric Substances) formation and subsequent encrustation. The mode of action of the coating is based on a super hydrophilic surface and a covalently bonded anti-fouling ligand. This prevents the build-up of dead bacteria on the device surface and retains its effectiveness throughout extended use.
The coating does not elute toxins or an active antimicrobial agent. The healthy microbial flora is therefore not disturbed by the use of the catheter.
The intended clinical benefits and performance:
Final outcome parameters (for commercial product):
Claims regarding clinical performance and clinical safety that the manufacturer intends to use:
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30 participants in 2 patient groups
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Central trial contact
Soumya Madhusudhan, MD; Mathangi Krishnakumar, MD
Data sourced from clinicaltrials.gov
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