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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01860495
Other study ID # ahmedgamal
Secondary ID
Status Completed
Phase Phase 2
First received May 19, 2013
Last updated May 21, 2013
Start date March 2012
Est. completion date December 2012

Study information

Verified date May 2013
Source Al-Azhar University
Contact n/a
Is FDA regulated No
Health authority Egypt: Ministry of Higher Education
Study type Observational [Patient Registry]

Clinical Trial Summary

One of the most important elements suggested to be provided through membrane perforations to augment regeneration are cell released growth factors from the overlying periosteal and gingival cells. A direct correlation could exist between the number of such cells and their available released growth factors. To test this assumption, this study was designed to evaluate levels of bone morphogenetic protein-2 in gingival crevicular fluid (GCF) during the early stages of healing for sites treated by MPM compared to that of the occlusive barrier membranes.


Description:

The subjects were recruited consecutively from the list of patients seeking care for periodontal problems at the Department of Periodontology of the Faculty of Dental Medicine, Al Azhar University, Cairo, Egypt, between March 2012 to December 2012. The criteria implemented for patient inclusion were: 1) no systemic diseases which could influence the outcome of the therapy; 2) good compliance with the plaque control instructions following initial therapy; 3) teeth involved were all vital with score 0 mobility ; 4) each subject contributed matched pairs of two or three walled intrabony interproximal defects in premolar or molar teeth 5) the selected 2- or 3-wall intrabony defect depth ranged from 3-5 mm as detected in diagnostic periapical radiographs; 6) selected pocket depth (PD) ≥ 6 mm and clinical attachment level (CAL) ≥ 5 mm at the site of endosseous defect four weeks following initial cause-related therapy 7) endosseous radiographic defect angle ≤55 and ≥15 8) availability for the follow-up and maintenance program; 9) absence of periodontal treatment for the previous year; 10) absence of systemic medication or antibiotic treatment for the previous 6 months; 11) absence of a smoking habit and 12) absence of occlusal interferences. Pregnant females were excluded from participating in the study. Patients were also excluded from the study if they presented with opened interproximal contact, or inadequate compliance with the oral hygiene maintenance schedule. The experimental protocol was approved by the Ethical Committee of El Azhar University (OMD - 45 - 2012, clinical trial registration number: Al Azhar University 22-31). Research procedures were explained to all patients and they agreed to participate in the study and signed the appropriate informed consent form of Al Azhar University.


Recruitment information / eligibility

Status Completed
Enrollment 15
Est. completion date December 2012
Est. primary completion date May 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 31 Years to 51 Years
Eligibility Inclusion Criteria:

1. no systemic diseases which could influence the outcome of the therapy;

2. good compliance with the plaque control instructions following initial therapy;

3. teeth involved were all vital with score 0 mobility ;

4. each subject contributed matched pairs of two or three walled intrabony interproximal defects in premolar or molar teeth

5. the selected 2- or 3-wall intrabony defect depth ranged from 3-5 mm as detected in diagnostic periapical radiographs;

6. selected pocket depth (PD) = 6 mm and clinical attachment level (CAL) = 5 mm at the site of endosseous defect four weeks following initial cause-related therapy

7. endosseous radiographic defect angle =55 and =15

8. availability for the follow-up and maintenance program;

9. absence of periodontal treatment for the previous year;

10. absence of systemic medication or antibiotic treatment for the previous 6 months;

11. absence of a smoking habit and

12. absence of occlusal interferences.

Exclusion Criteria:

- Pregnant females were excluded from participating in the study.

- Patients were also excluded from the study if they presented with opened interproximal contact, or inadequate compliance with the oral hygiene maintenance schedule.

Study Design

Observational Model: Cohort, Time Perspective: Prospective


Related Conditions & MeSH terms


Intervention

Procedure:
perforated membrane
perforated membrane that could give a chance for posetive contributionn of periosteal and gingival mesenchymal stem cells in periodontal regeneration
G2
tradetional occlusive collagen membrane

Locations

Country Name City State
Egypt Al azhar universty Cairo Governorate

Sponsors (1)

Lead Sponsor Collaborator
Al-Azhar University

Country where clinical trial is conducted

Egypt, 

References & Publications (1)

Gamal AY, Iacono VJ. Enhancing guided tissue regeneration of periodontal defects by using a novel perforated barrier membrane. J Periodontol. 2013 Jul;84(7):905-13. doi: 10.1902/jop.2012.120301. Epub 2012 Sep 24. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary gingival cervicular fluid BMP-2 level Using capillary tube (5 µl), gingival cervicular fluid (GCF) samples were collected (Sueda et al, 1969) by a single examiner (MA) who was masked to the attribution of the sites to MPM or OM. Following the isolation and drying of the selected site with cotton rolls, a fisher brand disposable micropipettes €, placed intrasulculary at the mesiofacial line angle of the selected site to a maximum depth of 2 mm below the gingival margin. Micropipettes were left in place until 5ul of fluid was collected. Gingival cervicular fluid (GCF) samples were collected one day, 3, 7, 14, 21, and 30 days after therapy and diluted in saline solution (50 µl) for bone morphogenetic protein-2 level evaluation. Samples were labeled, carried in a dark container and kept at -80 C until used. 30 days No
Secondary intrabony components (defect bony filling) Clinical and radiographic measurements (pocket depth, attachement level, gingival index , plaque index, intrabony level) were reassessed at 3, 6, and 9 months after surgery. 9 months No
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