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CTRI Number  CTRI/2022/01/039399 [Registered on: 13/01/2022] Trial Registered Prospectively
Last Modified On: 23/12/2021
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia
Dentistry 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   Comparison of a "new Herbert screw" with standard plating for fracture of lower anterior jaw 
Scientific Title of Study   Comparison of Herbert cannulated bone screw (HBS 2) with miniplates for the osteosynthesis of the anterior mandibular fracture: An Exploratory randomized controlled trial 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Adity Bansal 
Designation  Senior Resident 
Affiliation  All India Institute of Medical Sciences (AIIMS), Rishikesh 
Address  Department of Dentistry (Oral & Maxillofacial Surgery) All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand

Dehradun
UTTARANCHAL
249203
India 
Phone  9876611900  
Fax    
Email  aditybansal@rediffmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Ashi Chug 
Designation  Additional Professor 
Affiliation  All India Institute of Medical Sciences (AIIMS), Rishikesh 
Address  Department of Dentistry (Oral & Maxillofacial Surgery) All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand
Department of Dentistry (Oral & Maxillofacial Surgery) All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand
Dehradun
UTTARANCHAL
249203
India 
Phone  9876611900  
Fax    
Email  ashichug@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Adity Bansal 
Designation  Senior Resident 
Affiliation  All India Institute of Medical Sciences (AIIMS), Rishikesh 
Address  Department of Dentistry (Oral & Maxillofacial Surgery) All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand

Dehradun
UTTARANCHAL
249203
India 
Phone  9876611900  
Fax    
Email  aditybansal@rediffmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand, 249203 
 
Primary Sponsor  
Name  Dr Adity Bansal 
Address  Department of Dentistry (Oral & Maxillofacial Surgery), All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand, 249203  
Type of Sponsor  Other [Other (Self)] 
 
Details of Secondary Sponsor  
Name  Address 
Dr Ashi Chug  Department of Dentistry (Oral & Maxillofacial Surgery), All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand, 249203 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Adity Bansal  AIIMS, Rishikesh  Department of Dentistry (Oral & Maxillofacial Surgery), Level II, All India Institute of Medical Sciences (AIIMS), Rishikesh, Uttarakhand, 249203
Dehradun
UTTARANCHAL 
9876611900

aditybansal@rediffmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethical Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M264||Malocclusion, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  HBS 2 midi long thread osteosynthesis  2 screws will be used: Screws used will be of defined dimension: 30mm overall length, blank shaft diameter of 2.0 mm; with proximal thread length of 5mm and diameter of 3.9mm; and distal thread length of 11 mm and diameter of 3.0 mm Duration: 6 months 
Comparator Agent  HBS 2 mini long thread osteosynthesis  2 screws will be used: Screws used will be of defined dimension: 30mm overall length, blank shaft diameter of 1.7mm; with proximal thread length of 5mm and diameter of 3.2 mm; and distal thread length of 11 mm and diameter of 2.5 mm Duration: 6 months 
Intervention  Miniplates  2.0 mm sub-apical miniplate with 4 holes; 2.0mm lower border miniplate with 6 holes Duration: 6 months 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  Patients presenting with anterior mandibular fractures (symphysis or parasymphysis fracture mandible)
Patients with anterior mandibular fractures (symphysis or parasymphysis fracture mandible), associated with additional maxillary or other associated facial fractures will also be included, unless anterior mandible requires reconstruction plate fixation
Age >18 and less than 50 years
Patients presenting within one week of fracture incident
 
 
ExclusionCriteria 
Details  Patients with age of 18 years or less; or more than 50 years
Communited anterior mandibular fractures requiring obvious management with reconstruction plating
Patients with active infection (pus) at the site of fracture
Patients with bone loss at the site of fracture
Mal-united fractures or fractures presenting more than 1 week late
Edentulous patients requiring reconstruction plate
Patient with medical co-morbidities like neurological disorders or low GCS (Glasgow Coma Scale); spine/cervical injuries; uncontrolled diabetes; uncontrolled hypertension, cardio-vascular disorders, bleeding disorders: which contra-indicate surgical management.
Patient with known cancer or undergoing/having history of radio-therapy/chemo-therapy.
Patient who are active smokers/alcoholic
Pregnant patient
Patients lost to follow up
 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Not Applicable 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
to compare stability of the osteosynthesis by evaluating inter-fragmentary mobility, which will be done by bimanual palpation  3 weeks, 6 weeks, 3 months, 6 months 
 
Secondary Outcome  
Outcome  TimePoints 
Post-operative occlusion  3 weeks, 6 weeks, 3 months, 6 months 
Post-operative infection (edema or pus at the post-operative site)  3 weeks, 6 weeks, 3 months, 6 months 
Post-operative nerve paraesthesia (using two-point discrimination)  3 weeks, 6 weeks, 3 months, 6 months 
Hardware fracture  3 weeks, 6 weeks, 3 months, 6 months 
Hardware loosening  3 weeks, 6 weeks, 3 months, 6 months 
Time taken for the procedure   after exposure of fracture site till completion of osteosynthesis i.e intra-operatively 
Pain score (Visual analogue scale: VAS score)  3 weeks, 6 weeks, 3 months, 6 months 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 3 
Date of First Enrollment (India)   01/02/2022 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="3"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   not yet published 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

Though literature demonstrates wide variety of internal fixation choices for anterior mandibular fractures, however, there is no sufficient evidence about the superiority of HBS screw over the standard miniplate fixation. Also, none of the studies had similar dimensions of the HBS screw. Also, none of the studies defined the length of the proximal and distal threads of HBS screws. Furthermore, some of the studies did not mention whether they used single or double HBS screws in anterior mandible fixation; and other studies either utilized one or two HBS screws. Also, the number of the holes in minplate fixation was not defined in many studies. None of the studies in literature could be found comparing two different dimensions of HBS screws in view of their outcomes. Hence this study aims to eliminate all the limitations found in literature, along with evaluating and standardizing the most suitable dimensions of the HBS screw, along with standardizing the manufacturer. Furthermore, it aims to compare the outcomes with the standard miniplate fixation.

 
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