- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04185922
Hemopatch to Prevent Lymphatic Leak After Robotic Prostatectomy and Pelvic Lymph Node Dissection
Hemopatch to Prevent Lymphatic Leak After Robotic Prostatectomy and Pelvic Lymph Node Dissection: a Randomized Controlled Trial
Study Overview
Detailed Description
In prostate cancer patients undergoing robot-assisted radical prostatectomy (RARP), the current European Association of Urology (EAU) prostate cancer guidelines recommend bilateral pelvic lymph node dissection (BPLND) for those with an estimated risk of occult nodal metastases exceeding 5%.(1) In a systematic review of 66 studies involving 275, 269 patients, lymphadenectomy can identify node positive patients who may benefit from adjuvant treatment (2).
BPLND in general is a well-tolerated procedure. However, when complications do occur, significant morbidity results. The benefits of BPLND must be carefully weighed against its potential complications. The most common complication of BPLND is lymphocoele formation. Lymphatic vessels have no muscular layer as opposed to blood vessels. Transection of a blood vessel will lead to vasoconstriction and eventual cessation of bleeding. This is not the case with lymphatic vessels, and transection will lead to prolonged lymphorrhoea. The incidence of lymphocoele varies from series to series, ranging from 0.8% to 33%, depending on the extent of lymphadenectomy, surgical technique, operative approach, and the diagnostic approach (3,4). The most common symptoms are pelvic pain, abdominal distension, lower extremity or scrotal oedema, lower urinary tract symptom, frank bladder outlet obstruction, sepsis and even anastomotic disruption. Prolonged lymphorrhoea lengthens hospital stay, places the patient at risk for nosocomial infection and has significant cost implications for the healthcare system.
Hemopatch is a haemostatic pad consisting of a collagen sheet derived from bovine dermis with an NHS-PEG (pentaerythritol polyethylene glycol ether tetra-succinimidyl glutarate) coated active surface. These two components act together to provide effective tissue adherence, sealing and haemostasis (5). Upon tissue contact, NHS-PEG molecules on the active surface form covalent bonds with tissue proteins. Cross-linking NHS-PEG and proteins forms a hydrogel which acts as an effective tissue seal. Older generation NHS-PEG products in the form of solutions of flowable sealants are quickly washed away by blood or other leaking body fluids, rendering them ineffective in the presence of active bleeding or fluid leakage. Hemopatch is a novel NHSPEG delivery vehicle designed to overcome this limitation. Due to the open pore structure of the collagen, excess tissue fluids are readily absorbed and direct contact of NHS-PEG to tissue surface can be achieved. The collagen pad is optimized to be soft, thin, pliable, and has a high liquid absorption capacity. The pad is resorbed and replaced by host tissue in six to eight weeks with little tissue reaction.
The investigators hypothesise that the application of Hemopatch to raw lymphatic tissue can prevent lymphorrhoea through its unique combination of tissue adherence, sealing and fluid absorption. This can potentially prevent lymphatic leak, reduce drain output and facilitate earlier discharge.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Hong Kong, Hong Kong
- Prince of Wales Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18 years and above
- Able to give informed consent
- Suitable for minimally-invasive surgery
Exclusion Criteria:
- Known allergy or hypersensitivity to any component of Hemopatch®
- Known hypersensitivity to bovine proteins or brilliant blue
- Patients with prior pelvic radiotherapy
- Patients with non-correctable coagulopathy
- Patients who are on anticoagulants
- Contraindication to general anaesthesia
- Previous transurethral resection of the prostate or prostatic surgery
- Untreated active infection
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Hemopatch
The RARP and BPLND are performed in the usual manner.
Towards the end of the operation, Hemopatch is laid over the ends of raw truncated lymphatic tissue.
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As stated in Hemopatch arm description
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No Intervention: Control
The RARP and BPLND are performed in the usual manner.
Hemopatch will not be applied to control group.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Total volume of drain output
Time Frame: Three days after the allocated treatment
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Cumulative volume of output from the drain
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Three days after the allocated treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
30-day complications
Time Frame: Thirty days after the allocated treatment
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Complications which occur within 30 days after the operation
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Thirty days after the allocated treatment
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Operating time
Time Frame: Immediately post-operative
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Duration of operation
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Immediately post-operative
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Blood loss
Time Frame: Immediately post-operative
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Volume of blood loss during operation
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Immediately post-operative
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Length of hospital stay
Time Frame: Three days after the allocated treatment
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Patients undergoing robotic radical prostatectomy have an average hospital stay of three days
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Three days after the allocated treatment
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Duration of drainage
Time Frame: Three days after the allocated treatment
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Number of days between insertion and removal of drain
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Three days after the allocated treatment
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Volume of drainage per post-operative day
Time Frame: Three days after the allocated treatment
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Average volume of drain output per post-operative day
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Three days after the allocated treatment
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Transfusion requirement
Time Frame: Three days after the allocated treatment
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Number of units of packed cells being transfused
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Three days after the allocated treatment
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Lymph node yield
Time Frame: One week after the allocated treatment
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Number of lymph nodes yielded upon pelvic lymph node dissection
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One week after the allocated treatment
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Jeremy Yuen Chun TEOH, MBBS, FRCSEd, Chinese University of Hong Kong
Publications and helpful links
General Publications
- Mottet N, Bellmunt J, Bolla M, Briers E, Cumberbatch MG, De Santis M, Fossati N, Gross T, Henry AM, Joniau S, Lam TB, Mason MD, Matveev VB, Moldovan PC, van den Bergh RCN, Van den Broeck T, van der Poel HG, van der Kwast TH, Rouviere O, Schoots IG, Wiegel T, Cornford P. EAU-ESTRO-SIOG Guidelines on Prostate Cancer. Part 1: Screening, Diagnosis, and Local Treatment with Curative Intent. Eur Urol. 2017 Apr;71(4):618-629. doi: 10.1016/j.eururo.2016.08.003. Epub 2016 Aug 25.
- Fossati N, Willemse PM, Van den Broeck T, van den Bergh RCN, Yuan CY, Briers E, Bellmunt J, Bolla M, Cornford P, De Santis M, MacPepple E, Henry AM, Mason MD, Matveev VB, van der Poel HG, van der Kwast TH, Rouviere O, Schoots IG, Wiegel T, Lam TB, Mottet N, Joniau S. The Benefits and Harms of Different Extents of Lymph Node Dissection During Radical Prostatectomy for Prostate Cancer: A Systematic Review. Eur Urol. 2017 Jul;72(1):84-109. doi: 10.1016/j.eururo.2016.12.003. Epub 2017 Jan 24.
- Gilbert DR, Angell J, Abaza R. Evaluation of Absorbable Hemostatic Powder for Prevention of Lymphoceles Following Robotic Prostatectomy With Lymphadenectomy. Urology. 2016 Dec;98:75-80. doi: 10.1016/j.urology.2016.06.071. Epub 2016 Sep 1.
- Simonato A, Varca V, Esposito M, Venzano F, Carmignani G. The use of a surgical patch in the prevention of lymphoceles after extraperitoneal pelvic lymphadenectomy for prostate cancer: a randomized prospective pilot study. J Urol. 2009 Nov;182(5):2285-90. doi: 10.1016/j.juro.2009.07.033. Epub 2009 Sep 16.
- Lewis KM, Kuntze CE, Gulle H. Control of bleeding in surgical procedures: critical appraisal of HEMOPATCH (Sealing Hemostat). Med Devices (Auckl). 2015 Dec 22;9:1-10. doi: 10.2147/MDER.S90591. eCollection 2016.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
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
- CRE 2019.419
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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