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CTRI Number  CTRI/2024/07/071173 [Registered on: 23/07/2024] Trial Registered Prospectively
Last Modified On: 06/06/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Impact of hydroxychloroquine dosage on visual function in individuals with rheumatoid arthritis 
Scientific Title of Study   Association of hydroxychloroquine dosage on visual function among individuals with rheumatoid arthritis 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Thondavada Lalitha 
Designation  Master of Optometry 1st year 
Affiliation  Manipal College of Health Professions 
Address  Department of Optometry, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal

Udupi
KARNATAKA
576104
India 
Phone  9701992979  
Fax    
Email  thondavada.mchpmpl2023@learner.manipal.edu  
 
Details of Contact Person
Scientific Query
 
Name  Preethi Naik 
Designation  Assistant professor  
Affiliation  Manipal College of Health Professions  
Address  Department of Optometry, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal

Udupi
KARNATAKA
576104
India 
Phone  8105619834  
Fax    
Email  preethi.naik@manipal.edu  
 
Details of Contact Person
Public Query
 
Name  Thondavada Lalitha  
Designation  Master of Optometry 1st year 
Affiliation  Manipal College of Health Professions  
Address  Department of Optometry, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal

Udupi
KARNATAKA
576104
India 
Phone  9701992979  
Fax    
Email  thondavada.mchpmpl2023@learner.manipal.edu  
 
Source of Monetary or Material Support  
Department of Optometry, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka, India, 576104 
 
Primary Sponsor  
Name  Thondavada Lalitha 
Address  Department of Optometry, Manipal College Of Health Professions, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka, India, 576104  
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 
Thondavada Lalitha  KASTURBA HOSPITAL  Department of Ophthalmology and Department of Medicine, Kasturba Hospital, Manipal, India 576104
Udupi
KARNATAKA 
9701992979

thondavada.mchpmpl2023@learner.manipal.edu 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Kasturba Medical College and Kasturba Hospital Institutional Ethics Committee -2 (student Research)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H538||Other visual disturbances,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIL  NIL 
Comparator Agent  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  1.Age group >18 years old
2.Both males and females
3.Individuals diagnosed with rheumatoid arthritis under hydroxychloroquine dosage 
 
ExclusionCriteria 
Details  1.Any systemic disease other than rheumatoid arthritis
2.History of contact lens usage & computer use of more than 6 hours
3.Patients with a history of ocular injury or intra-ocular surgery

 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Visual acuity,
contrast sensitivity,
color vision,
stereo acuity,
photo stress test 
One time measurement  
 
Secondary Outcome  
Outcome  TimePoints 
Tear film quality , Intraocular pressure and
Structural changes  
One time measurement  
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
Final Enrollment numbers achieved (Total)= "80"
Final Enrollment numbers achieved (India)="80" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/08/2024 
Date of Study Completion (India) 29/03/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 29/03/2025 
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)  
This is a prospective observational, single center study, Association of hydroxychloroquine dosage on visual function among individuals with rheumatoid arthritis in 80 patients that will be conducted in department of Ophthalmology and Medicine, Kasturba Hospital, Manipal, India. Primary outcome will be visual function among individuals with rheumatoid arthritis. Secondary outcome will be the administration of year film quantity and intra ocular pressure among individuals with rheumatoid arthritis. 
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