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CTRI Number  CTRI/2025/09/095235 [Registered on: 22/09/2025] Trial Registered Prospectively
Last Modified On: 14/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   COMPARISON OF drug ORAL BILASTINE WITH ORAL CETIRIZINE IN ALLERGIC RHINITIS 
Scientific Title of Study   COMPARISON OF EFFICACY AND SAFETY OF ORAL BILASTINE WITH ORAL CETIRIZINE IN ALLERGIC RHINITIS-AN OPEN LABEL RANDOMISED CONTROLLED TRIAL 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
Anwesha1327  NIL 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Anwesha Das 
Designation  Post Graduate Resident Doctor 
Affiliation  Agartala Government Medical College and GBP Hospital 
Address  Agartala Government Medical College and GBP Hospital Kunjaban Agartala Tripura West
Gajaria S D Mission Agartala Tripura West
West Tripura
TRIPURA
799006
India 
Phone  8258802853  
Fax    
Email  anweshadas1399@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Debasis Ray 
Designation  Professor and HOD 
Affiliation  Agartala Government Medical College and GBP Hospital 
Address  Agartala Government Medical College and GBP Hospital Kunjaban Agartala Tripura West
Badharghat Agartala Tripura West
West Tripura
TRIPURA
799006
India 
Phone  9436125100  
Fax    
Email  contactdebasisray@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Debasis Ray 
Designation  Professor and HOD 
Affiliation  Agartala Government Medical College and GBP Hospital 
Address  Agartala Government Medical College and GBP Hospital Kunjaban Agartala Tripura West
Badharghat Agartala Tripura West
West Tripura
TRIPURA
799006
India 
Phone  9436125100  
Fax    
Email  contactdebasisray@gmail.com  
 
Source of Monetary or Material Support  
Agartala Government Medical Colllege and GBP Hospital kunjaban Agartala Tripura west PIN 799006 India 
 
Primary Sponsor  
Name  Anwesha Das 
Address  Agratala Government Medical College and GBP Hospital 
Type of Sponsor  Other [self] 
 
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 
Anwesha Das  Agartala Government Medical College & GBP Hospital  Department of Pharamacology and otorhinolaryngology
West Tripura
TRIPURA 
8258802853

anweshadas1399@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee for Clinical studies   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J00||Acute nasopharyngitis [common cold],  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Tab Cetirizine 10mg  Tab Cetirizine 10mg once daily at bed time for 14 days 
Intervention  Tab. Bilastine 20mg   Tab. Bilastine 20mg once daily at bed time for 14 days.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  All the newly diagnosed Seasonal Allergic Rhinitis patients attending ENT OPD of a Tertiary Care Hospital in the age group of 18 years & above shall be included the study 
 
ExclusionCriteria 
Details  i Patient is suffering from perennial allergic rhinitis & and also from other from rhinitis like vasomotor rhinitis & URTI
ii Patient having any other associated nasal condition like nasal polyp, tumour of nose, rhinosinusitis, any neoplastic condition of nose & PNS
iii Those who have received any form of treatment for allergic rhinitis for last one month or receives steroids
i All diagnosed patients of allergic fungal rhinosinusitis shall be excluded from the study
v Pregnant women and lactating mother shall be excluded from the study
vi Immunocompromised patients shall be excluded from the study
 
 
Method of Generating Random Sequence   Permuted block randomization, variable 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
a. Total Nasal Symptom Score
b. Total Non-Nasal Symptom Score
c. Mean Total Symptom Score
 
at day 0 day 7 and day 14
 
 
Secondary Outcome  
Outcome  TimePoints 
nil  nil 
 
Target Sample Size   Total Sample Size="200"
Sample Size from India="200" 
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   N/A 
Date of First Enrollment (India)   13/10/2025 
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="6"
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   Thesis Protocol titled COMPARISON OF EFFICACY AND SAFETY OF ORAL BILASTINE WITH ORAL CETIRIZINE IN ALLERGIC RHINITIS AN OPEN LABEL RANDOMISED CONTROLLED TRIAL will be done in North East India in department of pharmacology and otorhinolaryngology to compare the efficacy and safety of the most commonly used drugs for treamtents of Allergic Rhinitis that is oral bilastine and cetirizine Among 2nd generation antihistaminic as an antiallergic only cetirizine has been included in NLEM 2022 But it has been reported that it has some adverse effect like headache sedation and dizziness so if a drug with better efficacy and safety profile can be identified through comparative studies it will be of great help for the patients suffering from Allergic Rhinitis hence this study has been taken up for comparison of the two molecules study period is of 78weeks, 70 weeks for data collection and sample size    Case-Record Form containing History general physical examination systemic & local examination along with total nasal & non nasal symptoms score will be used  the study tool Consent from particapnts will be taken Data will be entered & analysed in the SPSS version  statistical software 
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