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CTRI Number  CTRI/2025/04/085282 [Registered on: 21/04/2025] Trial Registered Prospectively
Last Modified On: 21/04/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   to compare endoscopic ear surgery with microscopic ear surgery in patients of limited chronic otitis media squamosal type. 
Scientific Title of Study   Endoscopic ear surgery versus Conventional microscopic ear surgery in patients with limited squamosal chronic otitis media, A Randomized Controlled trial 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Nishtha Duggal 
Designation  Post graduate student 
Affiliation  Department of ENT AIIMS Gorakhpur 
Address  Department of ENT AIIMS Gorakhpur

Gorakhpur
UTTAR PRADESH
273008
India 
Phone    
Fax    
Email  nduggaldoc@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Pankhuri Mittal 
Designation  Assistant Professor 
Affiliation  Department of ENT AIIMS Gorakhpur 
Address  Department of ENT AIIMS Gorakhpur

Gorakhpur
UTTAR PRADESH
273008
India 
Phone  09811927490  
Fax    
Email  mamc.pankhuri@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Pankhuri Mittal 
Designation  Assistant Professor 
Affiliation  Department of ENT AIIMS Gorakhpur 
Address  Department of ENT AIIMS Gorakhpur


UTTAR PRADESH
273008
India 
Phone  09811927490  
Fax    
Email  mamc.pankhuri@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  AIIMS Gorakhpur 
Address  AIIMS Gorakhpur 
Type of Sponsor  Government medical college 
 
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 
Pankhuri Mittal  AIIMS Gorakhpur  Department of ENT, AIIMS Gorakhpur
Gorakhpur
UTTAR PRADESH 
09811927490

mamc.pankhuri@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IHEC  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H710||Cholesteatoma of attic,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Endoscopic ear surgery  2 groups will undergo either endoscopic ear surgery or a microscopic ear surgery and the comparison will be done using parmeters defined 
Comparator Agent  Microscopic ear surgery  2 groups will undergo either endoscopic ear surgery or a microscopic ear surgery and the comparison will be done using parmeters defined 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  All consenting adult patients (18-60 years)
Limited squamosal disease (not involving the antrum)
Disease extent confirmed by HRCT temporal bone
Both approaches of surgery performed by single surgeon proficient in both microscopic and endoscopic technique. 
 
ExclusionCriteria 
Details  Patients with extensive disease that is involving the antrum
Patients with any otogenic complications
Revision surgery 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Comparison of mean/median MESVI score will be considered as the primary outcome. A difference of at least 2 in
total scores between two study groups would be considered clinically significant. 
Intraoperative after completion of drilling 
 
Secondary Outcome  
Outcome  TimePoints 
Mean/median intraoperative duration among study group.

 
From local anaesthesia to ear packing 
Mean/median PTA-AB dB gap at 2 wk, 4 wk and 6 wk among study groups.
 
at 6 weeks post operatively 
Mean/median VAS pain score at 24 hr postoperative period among study groups.
 
24 hours post operatively 
 
Target Sample Size   Total Sample Size="64"
Sample Size from India="64" 
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)   02/05/2025 
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="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
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   This RCT aims to compare endoscopic ear surgery with conventional microscopic ear surgery in patients with limited squamosal disease. The study will include 64 patients meeting inclusion criteria over 1.5 years, conducted at AIIMS Gorakhpur. The study evaluates both techniques in terms of intraoperative exposure using MESVI Score, post-operative pain, hearing improvement and healing. Findings are expected to provide evidence on weather endoscopic surgery offers advantage over microscopic for limited disease management.  
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