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CTRI Number  CTRI/2024/03/064482 [Registered on: 20/03/2024] Trial Registered Prospectively
Last Modified On: 11/06/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Other 
Public Title of Study   A clinical study comparing outcome of regenerative root canal treatment with and without chitosan loaded triple antibiotic paste. 
Scientific Title of Study   Evaluation of Regenerative Potential of Pulp in Necrotic Mature teeth using Chitosan-Loaded Triple Antibiotic paste: A Randomised clinical trial. 
Trial Acronym  NA 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Asiya Sameer Mujawar  
Designation  Associate Professor  
Affiliation  M.A.Rangoonwala college of dental science and research centre 
Address  Department of conservative dentistry and Endodontics ,second floor 305 room . M.A.Rangoonwala college of dental science and research centre. Azam campus 2390-B,K.B,Hidayatulla Rd.Camp .

Pune
MAHARASHTRA
411001
India 
Phone  9552978658  
Fax    
Email  drasiyashaikh786@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Asiya Sameer Mujawar  
Designation  Associate Professor  
Affiliation  M.A.Rangoonwala college of dental science and research centre 
Address  Department of conservative dentistry and Endodontics ,second floor 305 room . M.A.Rangoonwala college of dental science and research centre. Azam campus 2390-B,K.B,Hidayatulla Rd.Camp .

Pune
MAHARASHTRA
411001
India 
Phone  9552978658  
Fax    
Email  drasiyashaikh786@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Asiya Sameer Mujawar  
Designation  Associate Professor  
Affiliation  M.A.Rangoonwala college of dental science and research centre 
Address  Department of conservative dentistry and Endodontics ,second floor 305 room . M.A.Rangoonwala college of dental science and research centre. Azam campus 2390-B,K.B,Hidayatulla Rd.Camp .

Pune
MAHARASHTRA
411001
India 
Phone  9552978658  
Fax    
Email  drasiyashaikh786@gmail.com  
 
Source of Monetary or Material Support  
Bharati vidyapeeth dental college Pune-satara road,katraj -ambegaon BKRd,Dhankawadi,Pune 
 
Primary Sponsor  
Name  Dr.Asiya Mujawar 
Address  Azam campus 2390-B ,K.B,Hidyatilla Rd,Camp ,Pune i 
Type of Sponsor  Other [Individual] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
DrAsiya Mujawar  Bharati vidyapeeth dental college  department of conservative dentistry and endodontics ,second floor ,room number 104Pune-satara road ,Katraj-Ambegaon Bk Rd,Dhankawadi.
Pune
MAHARASHTRA 
9552978658

drasiyashaikh786@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Bharati Vidyapeeth Dental college and hospital ,Pune  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  chronic apical periodontitis 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Conventional root canal treatment  Local anesthesia will be delivered followed by rubber dam isolation, straight-line access cavity was performed. The working length was determined using an apex locator and confirmed using a periapical radiograph and a CBCT. After coronal flaring, the root canal will be enlarged at the working length up to 5 or 6 sizes larger than the first binding file size. The root canals will be prepared using rotary files and stainless-steel hand files ( During canal preparation, the canal patency will be reestablished using a #10 K-file, and the root canal was irrigated with 2 mL 1% sodium hypochlorite (NaOCl) between each file. After completion of the preparation, a final irrigation will be performed with 5 mL 1% NaOCl followed by the same amount of 5% EDTA for 1 minute each. The root canal will be dressed with calcium hydroxide paste for 1 week, and the access cavity will be filled with a sterile cotton pellet and temporary filling material after 1 week, the medicament will be removed by 5% EDTA activated passively using a noncutting ultrasonic instrument for 1 minute, and the final irrigation will be performed with 5 mL distilled water. All irrigation procedures will be performed with a 30-G needle 3 mm above the working length. After which the root canals will be dried with paper points, the canals will be filled with gutta-percha cones and AH plus sealer using the cold lateral compaction technique. The access cavity will be restored with a resin composite material.  
Intervention  Regenerative procedure with Triple antibiotic paste  Local anesthesia will be delivered followed by rubber dam isolation, straight-line access cavity was performed. The working length was determined using an apex locator and confirmed using a periapical radiograph . After coronal flaring, the root canal will be enlarged at the working length up to 5 or 6 sizes larger than the first binding file size. The root canals will be prepared using rotary files. During canal preparation, the canal patency will be reestablished using a #10 K-file, and the root canal was irrigated with 2 mL 1% sodium hypochlorite (NaOCl) between each file. After completion of the preparation, a final irrigation will be performed with 5 mL 1% NaOCl followed by the same amount of 5% EDTA for 1 minute eachTo avoid coronal discoloration, a resin bond will be applied without etching into the access cavity walls and the coronal third of the root canal. A triple antibiotic paste (doxycycline, metronidazole, and ciprofloxacin) will be applied in the middle and apical thirds of the root canals for 3 weeksAt the second visit, local infiltration anesthesia without vasoconstrictor will be injected. The triple antibiotic paste will be removed ultrasonically using passively activated distilled water followed by 5 mL 1% NaOCl for 1 minute. The root canal will then be irrigated with 2 mL 5% EDTA for 1 minute. A final irrigation will be performed using 5 mL distilled water, and the root canal will be dried with paper points. Bleeding will be induced in the canal by passing a #25 sterile K-file beyond the apex. After the bleeding became visible in the canal, a dry cotton pellet will be inserted 3 mm into the canal for 5 minutes to allow blood clot formation. MTA will placed approximately 3 mm below the cementoenamel junction, and the access cavity will be restored with a temporary filling material . The following day, the temporary filling will be replaced with a resin composite material.  
Intervention  Regenerative procedure with Triple antibiotic paste loaded with chitosan nanoparticles  Local anesthesia will be delivered followed by rubber dam isolation, straight-line access cavity was performed. The working length was determined using an apex locator and confirmed using a periapical radiograph . After coronal flaring, the root canal will be enlarged at the working length up to 5 or 6 sizes larger than the first binding file size. The root canals will be prepared using rotary files. During canal preparation, the canal patency will be reestablished using a #10 K-file, and the root canal was irrigated with 2 mL 1% sodium hypochlorite (NaOCl) between each file. After completion of the preparation, a final irrigation will be performed with 5 mL 1% NaOCl followed by the same amount of 5% EDTA for 1 minute eachTo avoid coronal discoloration, a resin bond will be applied without etching into the access cavity walls and the coronal third of the root canal. A triple antibiotic paste (doxycycline, metronidazole, and ciprofloxacin)loaded with chitosan will be applied in the middle and apical thirds of the root canals for 3 weeksAt the second visit, local infiltration anesthesia without vasoconstrictor will be injected. The triple antibiotic paste will be removed ultrasonically using passively activated distilled water followed by 5 mL 1% NaOCl for 1 minute. The root canal will then be irrigated with 2 mL 5% EDTA for 1 minute. A final irrigation will be performed using 5 mL distilled water, and the root canal will be dried with paper points. Bleeding will be induced in the canal by passing a #25 sterile K-file beyond the apex. After the bleeding became visible in the canal, a dry cotton pellet will be inserted 3 mm into the canal for 5 minutes to allow blood clot formation. MTA will placed approximately 3 mm below the cementoenamel junction, and the access cavity will be restored with a temporary filling material . The following day, the temporary filling will be replaced with a resin composite material. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  30.00 Year(s)
Gender  Both 
Details  1. patients in the age range of 18–30 years without systematic disease/allergic reactions
2. Nonvital single- rooted teeth (anterior or premolars) encasing 1 root canal with mature roots (closed apices) and a periapical lesion score ≥3 according to Ostravik et al.
Score 1: Normal periapical structure
Score 2: Small changes in bone structure
Score 3: Changes in bone structure with mineral loss
Score 4: Periodontitis with well-defined radiolucency
Score 5: Severe periodontitis with exacerbating factors 
 
ExclusionCriteria 
Details  1. Medically compromised patients (with immunosuppressive/systemic diseases, patients on medications) - periodontologically compromised teeth.
2. Endodontically treated teeth
3. Teeth with periapical lesions more than 5 mm in diameter.
4. Patients who refuse to participate.
5. Anatomical variations leading to inability to reach the full working length. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate the regenerative potential of pulp in necrotic mature teeth with and without chitosan loaded triple antibiotic paste.  The outcome will be assessed at 6months and 1 year . 
 
Secondary Outcome  
Outcome  TimePoints 
Vitality of tooth  the vitality of the tooth will be assessed with electric pulp testing device after 6 months and 1 year of the treatment  
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "90"
Final Enrollment numbers achieved (India)="90" 
Phase of Trial   Phase 2 
Date of First Enrollment (India)   08/04/2024 
Date of Study Completion (India) 20/02/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 20/02/2025 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Completed 
Recruitment Status of Trial (India)  Completed 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary
Modification(s)  
The regenerative endodontic procedure represents a transformative approach to preserving dental pulp vitality and restoring damaged infected teeth. According to the literature, very few clinical studies are reported which evaluate the clinical outcome using chitosan-loaded triple antibiotic.
Chitosan, a biocompatible and biodegradable polymer has gained attention as an ideal carrier for drug delivery. This study aims to assess the clinical outcome of regenerative endodontic procedures in mature necrotic teeth with and without chitosan-loaded triple antibiotic paste.
 
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