Rosuvastatin Gel With 1:1 Mixture of Platelet-rich Fibrin and Bone Graft in Mandibular Degree II Furcation Defects

Phase 4

Completed

• Conditions: Furcation Defects
• Interventions: Biological: platelet rich fibrin; Drug: Rosuvastatin

• Registration Number: NCT02369250
• Lead Sponsor: Government Dental College and Research Institute, Bangalore

Brief Summary

Rosuvastatin (RSV) is a new synthetic, second-generation, sulfur-containing, hydrophilic statin, that stimulate bone formation in critical-size cortical bone defects adjacent to titanium implants, when administered locally in bone. Platelet-rich fibrin (PRF) is a platelet concentrate with sustained release of various growth factors, having regenerative potential to treat periodontal defects. Porous hydroxyapatite (HA) bone grafting material has clinically satisfactory response, when used to fill periodontal intrabony defects. This double-masked randomized study is designed to evaluate the potency of combination of RSV 1.2mg in situ gel with 1:1 mixture of autologous PRF and HA bone graft in the surgical treatment of mandibular degree II furcation defects when compared with autologous PRF and HA bone graft placed after open flap debridement (OFD).

Detailed Description

ABSTRACT Background: A wide range of regenerative materials have been tried in the treatment of furcation defects. Rosuvastatin (RSV) is a new synthetic, second-generation, sulfur-containing, hydrophilic statin, that stimulate bone formation in critical-size cortical bone defects adjacent to titanium implants, when administered locally in bone. Platelet-rich fibrin (PRF) is a platelet concentrate with sustained release of various growth factors, having regenerative potential to treat periodontal defects. Porous hydroxyapatite (HA) bone grafting material has clinically satisfactory response, when used to fill periodontal intrabony defects. This double-masked randomized study is designed to evaluate the potency of combination of RSV 1.2mg in situ gel with 1:1 mixture of autologous PRF and HA bone graft in the surgical treatment of mandibular degree II furcation defects when compared with autologous PRF and HA bone graft placed after open flap debridement (OFD).

Material and methods 105 patients with mandibular buccal Class II furcation defects were randomly allotted and treated either with, OFD and placebo gel: Group 1, or OFD + autologous PRF and porus-HA bone graft: Group 2, or OFD + RSV 1.2mg in situ gel combined with autologous PRF and porus-HA bone graft: Group 3. Clinical parameters were recorded at baseline before SRP and at 9 months; they included modified sulcus bleeding index (mSBI), probing depth (PD), and relative vertical (RVAL) and horizontal (RHAL) attachment levels. At baseline and after 9 months, radiographic assessment of bone defect fill was performed postoperatively.

Study Timeline

• Study Start: 2013-11
• Primary Completion: 2014-07
• Study Completion: 2014-09
• Study First Submitted: 2014-12-04
• Status Verified: 2015-02
• Study First Submitted QC: 2015-02-17
• Last Update Submitted: 2015-02-17
• Study First Posted: 2015-02-23
• Last Update Posted: 2015-02-23

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 110

Inclusion Criteria

1. the presence of buccal Class II furcation defects in endodontically vital, asymptomatic mandibular first and second molars with a radiolucency in the furcation area on an intraoral periapical radiograph with PD ± 5mm and horizontal PD ± 3mm after Phase I therapy (SRP)
2. no history of antibiotic or periodontal therapy in the preceding 6 months.

Exclusion Criteria

1. systemic illness known to affect the outcomes of periodontal therapy, such as diabetes mellitus, cardiac diseases, insufficient platelet count (<200,000/mm3), or immunocompromised (e.g., HIV individuals) patients taking medications, such as corticosteroids or calcium channel blockers, which are known to interfere with periodontal wound healing
2. individuals known or suspected allergy to the RSV group or allergic to medications
3. systemic statin therapy
4. pregnant or lactating women
5. patients using tobacco in any form
6. individuals with unacceptable oral hygiene (plaque index >1.5). In addition, teeth with interproximal intrabony defects, gingival recession, endodontic (pulpal) involvement, or mobility of tooth ≥ Grade II were also excluded.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
OFD+ PRF + BONE GRAFT	platelet rich fibrin	Following surgical debridment of furcation site autologous PRF and bone graft is placed in defect as a competator drug used is platelet rich fibrin and porus hydroxyapatite bone graft
RSV1.2% gel + PRF+ BG	Rosuvastatin	Following surgical debridment of furcation site Rosuvastatin 1.2% in situ gel combined with autologous PRF and bone graft is placed

Primary Outcome Measures

Name	Time	Method
BONE FILL	9 MONTHS	BONE FILL/ defect depth reduction recorded at baseline and at 9 months

Secondary Outcome Measures

Name	Time	Method
Probing depth	9 months	Probing depth recorded at baselin and at 9 months
Clinical attachment level	9 months	Gain in Clinical attachment level from cementoenamel junction to the base of the periodontal pocket