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Clinical Trial Summary

The study is a split mouth study but the interventions for the two different arms will be spaced by a fixed duration in time. Verbal and written consent will be obtained from the patients fulfilling the inclusion and exclusion criteria after briefing them about the procedure. Following phase-1 periodontal therapy, randomisation for the test and control quadrants will be done. Surgical debridement will be done first for the control side to avoid the carry-across effect of fibrin glue. Control and test procedures will be performed with a wash out period of 15days.

Preparation of Autologous fibrin glue :

- 10 ml of blood will be withdrawn from healthy adult human donor by venous puncture into sodium citrate vials and will be centrifuged for 30 min at 1200 g to obtain platelet-poor plasma (PPP).

- To the solution, fibrinogen and protamine sulphate will be added and will be centrifuged at 1000 g for 5 min to sediment the precipitate and fibrin glue will be procured.

Prior to commencement of periodontal flap surgery GCF collection will be done. Following anaesthesia and elevation of full thickness muco periosteal flap, thorough debridement and root planning of the exposed root surfaces will be done. On the control site, the periodontal flap will be approximated using 4-0 black silk suture. Patients will be instructed to rinse twice daily with 0.12% chlorhexidine and recalled after 7 days for suture removal and post-surgical GCF collection from the control side. After a wash out period of 15 days presurgical GCF sampling along with the surgical procedure will be performed on the test side. The periodontal flap will be approximated on the test site using autologous fibrin glue on the under surface of the raised flap up to 2 mm from the coronal margin and repositioned back on to the root surface. Thereafter, the tissues will be kept in position with a gentle pressure using a wet gauze for 30 - 60 seconds. Persistence of bleeding, stability of tissues 5 minutes after repositioning will be recorded and the amount of fibrin sealant used in the procedure will be determined.Patients will be then recalled after 7 days for evaluation and post-surgical GCF collection from the test site. Clinical parameters will be assessed at 7, 14, 21 and 28 days.

Collection of GCF :

GCF will be collected immediately prior to surgery and on seventh day following surgery from both test and control sites for wound healing assessment. Samples of GCF will be collected from four sites from the surgical site following isolation. Colour - coded, 1-5 microlitre calibrated volumetric micro capillary pipettes will be kept extra-crevicularly for not more than five minutes or until 1 microlitre is collected. The fluid will be immediately transferred to a plastic vial and frozen at -20 degree Celsius for further analysis. Pipettes in sites which do not express any fluid or those contaminated with blood/saliva will be discarded.

Statistical analysis:

The data gathered from the study will be subjected to appropriate statistical analysis. The statistical analysis will be done using:

1. Mann-Whitney test

2. Wilcoxon signed rank test.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT03792113
Study type Interventional
Source KLE Society's Institute of Dental Sciences
Contact Neha Pradhan, BDS, Post graduate student
Phone 9620508212
Email pradhanneha92@yahoo.in
Status Not yet recruiting
Phase Phase 2/Phase 3
Start date May 2019
Completion date December 2020

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