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Clinical Trial Summary

Angiography or angioplasty are commonly now done through inserting the device through radial artery in hand i.e. trans-radial procedures. It is reported that between 2-30% of these procedures get complicated by radial artery occlusion (RAO) which limit future use of this site for similar procedures if needed. It is important to control the arterial bleeding after the procedure completion while maintaining radial arterial flow appears to be an important factor in reducing RAO (patent hemostasis). Currently the most frequently employed method for hemostasis following trans-radial procedures is a compression device (RCD) such as TransRadial Bands (TRB). But TRB takes hours to achieve hemostasis and causes discomfort to the patients and longer time to discharge. Hemostatic pads offer an alternative to RCD where overall compression time is inherently low and patent hemostasis can possibly be achieved. The combined use of TR band with a hemostatic device may allow ease of use with reduced hemostasis time. The trial aims to test the hypothesis that compared to TR band (TRB) alone, catecholamine chitosan-based pad (InnoSEAL hemostatic pad, InnoTherapy, Inc.) used in conjunction with TRB (InnoSEAL+TRB)is nearly as good as TRB alone in terms of the outcomes like RAO and hematoma.


Clinical Trial Description

It is a prospective, randomized, open label trial with the following study hypotheses (Ha): 1. InnoSEAL+TRB is non-inferior to TRB alone in terms of the composite adverse access site outcomes including RAO and hematoma. 2. InnoSEAL+TRBis non-inferior to TRB alone when comparing ease of use scores rated by the cath lab technicians. 3. InnoSEAL+TRB is superior to TRB alone for outcomes of reduction in total hemostasis time, total observation time for the radial site and time to hospital discharge for daycare patients sub group. 4. InnoSEAL+TRBis superior to TRB alone in terms of minimized patient discomfort. Sample size: Keeping a combined complication rate of 17.7% (RAO:7.7%, Hematoma: 10%), difference in favor of the experimental treatment of 4.89%, power of 80%, one sided alpha of 2.5%, 10% attrition rate, a sample of at least 357 patients in each group and a total of 714 patients will be required. Randomization: Randomization will be performed using variable sized blocks through computer software by an unrelated staff from the research department who is not a part of this study and will be kept in safe in the research department. Allocation of intervention will be informed to the research staff for each individual patient through telephone call, only after the informed consent has been taken by the data collector. Intervention arm: In InnoSEAL+TRB arm, InnoSEAL patch will be applied at the puncture site and will be covered by a transparent dressing. TRB will be applied over the patch and 12 cc air will be injected to inflate the band. Air is removed from TRB during 60 minutes, removing 2cc air at 20 minutes, 4cc at 40 minutes and 6cc at 60 minutes from the time of sheath removal. Control arm: TR band is applied centered over the puncture site and the bladder is inflated with 15cc air. Air is removed gradually leaving at least 10 cc air provided there is no oozing. Start removing air at 90 min (from the time of hemostasis protocol): 4cc-at 20 min, 6cc-at 40 min. 6cc-at each 20 min till reach 0cc. If re-bleeding at any time, reintroduce 2cc air. In both the arms TRB will be left with 0cc air for 30 min. Reverse Barbeau's test will be applied in both the arms to determine RAO. If occlusion was found, radial artery ultrasound will be conducted. Both TRB and InnoSEAL patch will be removed before discharge of the patient. Data quality measures: Data will be collected by the trained nursing staff hired specifically for the study and who will receive one day training on study protocols. Study coordinator will daily check all the forms for completeness and accuracy and 10% of the completed forms will be randomly checked by one of the study investigators. Institutional IRB will also do an audit of the study procedures. Data entry and analysis: Data will be entered in Access data base and will be analyzed through SPSS v.25. Means and standard deviation will be reported for continuous data based on normality assumption along with histograms and compared using Student t-test. And frequencies with percentages will be reported for the categorical variables. The differences between categorical variables were examined by the Chi square test considering p-value< .05 statistically significant. Chi square test will be utilized to assess primary composite outcome and its components. Independent sample t-test will be used for comparison of time intervals. Kruskall Wallis test will be utilized for significance testing between ordinal secondary outcomes of ease of use and patient discomfort. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04380883
Study type Interventional
Source Tabba Heart Institute
Contact
Status Completed
Phase N/A
Start date June 3, 2020
Completion date November 30, 2020

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