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CTRI Number  CTRI/2024/08/071866 [Registered on: 02/08/2024] Trial Registered Prospectively
Last Modified On: 12/08/2026
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Study of changes in Eye Blood Flow in Kidney Disease Patients on Dialysis 
Scientific Title of Study   Ocular Hemodynamic Variations in Chronic Kidney Disease Patients on Hemodialysis - An Observational Study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Nakkana Rachana 
Designation  Junior Resident 
Affiliation  Sri Devaraj Urs Academy Of Higher Education And Research 
Address  OPD NO 22 Department of Ophthalmology Sri Devaraj Urs Medical College And Research Centre

Kolar
KARNATAKA
563101
India 
Phone  7780394835  
Fax    
Email  rachanasonu16@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sangeetha T 
Designation  Professor And HOD 
Affiliation  Sri Devaraj Urs Academy Of High Education And Research 
Address  Department Of Ophthalmology Sri Devaraj Urs Medical College And Research Centre Kolar

Kolar
KARNATAKA
563101
India 
Phone  9880031831  
Fax    
Email  sangeetha31jayakumar@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Sangeetha T 
Designation  Professor And HOD 
Affiliation  Sri Devaraj Urs Academy Of Higher Education And Research 
Address  Department Of Ophthalmology Sri Devaraj Urs Medical College And Research Centre Kolar

Kolar
KARNATAKA
563101
India 
Phone  9880031831  
Fax    
Email  sangeetha31jayakumar@gmail.com  
 
Source of Monetary or Material Support  
Sri Devaraj Urs Academy Of Higher Education And Research, Tamaka Kolar Karnataka-563101 India 
 
Primary Sponsor  
Name  Sri Devaraj Urs Academy Of Higher Education And Research 
Address  Tamaka Kolar Karnataka - 563101 India 
Type of Sponsor  Private 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 
Dr Nakkana Rachana  Sri Devaraj Urs Academy Of Higher Education  NO: 22, Department Of Ophthalmology, First Floor, R.L.Jallappa Hospital And Research, Tamaka, Kolar-563101 TAMAKA KOLAR
Kolar
KARNATAKA 
7780394835

rachanasonu16@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sri Devaraj Urs Central Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N186||End stage renal disease,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1. Negative history of glaucoma
2. Healthy corneas
3. IOP 10-21mmHg
who have undergone dialysis for more than 4 weeks 
 
ExclusionCriteria 
Details  1. Uveitis
2. Diabetic retinopathy with elevated IOP
3. Corneal pathology
4. IOP more than 21MMHG before dialysis
5. Optic nerve abnormalities indicative of glaucoma 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To determine the changes in intraocular pressure, central corneal thickness and Serum osmolality   Before and after dialysis (after 4 hours) 
 
Secondary Outcome  
Outcome  TimePoints 
To assess the relationship between Chronic Kidney Disease & thickness of retinal nerve fibre layer by taking OCT  Before & after Hemodialysis in Chronic Kidney Disease Patients 
 
Target Sample Size   Total Sample Size="113"
Sample Size from India="113" 
Final Enrollment numbers achieved (Total)= "113"
Final Enrollment numbers achieved (India)="113" 
Phase of Trial   N/A 
Date of First Enrollment (India)   12/08/2024 
Date of Study Completion (India) 23/03/2026 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
Manuscript under revision. Will be sent for publication.  
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary
Modification(s)  

OCULAR HEMODYNAMIC VARIATIONS IN CHRONIC KIDNEY DISEASE PATIENTS UNDERGOING HEMODIALYSIS

Purpose: To evaluate the effect of haemodialysis on intraocular pressure (IOP), ocular perfusion pressure (OPP) & retinal nerve fibre layer (RNFL) thickness in chronic kidney disease (CKD) patients.

Methods: Prospective study included 113 CKD patients on maintenance haemodialysis underwent pre- and post-dialysis assessment of IOP, OPP, blood pressure, and serum osmolality. RNFL thickness was measured using OCT.

Results: Mean arterial pressure increased from 103.1±11.9 to 107.3±11.6 mmHg (p<0.01), Mean IOP from 17.9±1.8 to 18.8±1.7 mmHg and OPP from 72.9±12.3 to 75.1±14.0 mmHg (p<0.01). Serum osmolality showed no significant correlation with changes in IOP nor OPP. Mean RNFL thickness showed no significant association with CKD stage or renal biochemical parameters.

Conclusion: Haemodialysis significantly alters systemic & ocular hemodynamic, increasing IOP and OPP, highlighting the need for periodic ocular monitoring for early detection of individuals at glaucoma risk in dialysis patients.

 
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