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CTRI Number  CTRI/2020/05/025225 [Registered on: 18/05/2020] Trial Registered Prospectively
Last Modified On: 31/01/2022
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   To correlate knee and ankle alignment in osteoarthritis knee 
Scientific Title of Study   Correlation of knee alignment with ankle and hindfoot alignment and clinical severity in grade 4 osteoarthritis knee 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Navin Sagar 
Designation  Post graduate first year 
Affiliation  VMMC AND SAFDARJUNG HOSPITAL 
Address  Room No- 33,Ground Floor, PMR OPD, Safdarjung Hospital, New Delhi

South
DELHI
110029
India 
Phone  7982218232  
Fax    
Email  dr.navinsagarsjh@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Diganta Borah 
Designation  Professor 
Affiliation  VMMC and Safdarjung Hospital 
Address  Room No-173,First Foor, PMR department, OPD building, Safdarjung Hospital,New Delhi

South
DELHI
110029
India 
Phone  7503005456  
Fax    
Email  diganta29@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr Navin Sagar 
Designation  Post graduate first year 
Affiliation  VMMC and Safdarjung Hospital 
Address  Room No- 33,Ground Foor, PMR department,OPD building, Safdarjung Hospital, New Delhi

South
DELHI
110029
India 
Phone  7982218232  
Fax    
Email  dr.navinsagarsjh@gmail.com  
 
Source of Monetary or Material Support  
Vardhman Mahavir Medical College and Safdarjung Hospital New Delhi-110029 
 
Primary Sponsor  
Name  Vardhman Mahavir Medical College and Safdarjung Hospital 
Address  Safdarjung Hospital Ansari Nagar East, New Delhi-110029 
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 
Dr Navin Sagar  Safdarjung Hospital  Room No- 33,Ground Floor,PMR department, OPD building
New Delhi
DELHI 
7982218232

dr.navinsagarsjh@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M179||Osteoarthritis of knee, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  40.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  1.Patients diagnosed with primary knee osteoarthritis according to ACR criteria

2. Kellgren- Lawrence grade IV 
 
ExclusionCriteria 
Details  1. Previous surgery involving knee and/ or
ankle.
2. Secondary Osteoarthritis.
3. History of injury of foot and/ or knee that
may compromise knee function.
4. Nerve related symptoms ( radiculopathy)
5. Patients with complex regional pain syndrome.
6. Rheumatoid and other inflammatory arthritis,
diabetes mellitus, local or systemic
infection.
7. Peripheral vascular disease, metabolic
disease such as gout, malignency
8. Presence of other cause of knee pain.
9. Pregnency
10.Other deformity of lower limb except varus-
valgus knee. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Correlation of knee alignment with Ankle and hindfoot alignment in terms of
a. Angle between mid diaphyseal line of tibia and mid diaphyseal line of calcaneus.
b. Tibiotalar angle.
c. Tibial anterior surface angle.
d. Talar tilt angle.
e. Angle between ground surface and distal tibial plafold. 
12 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
Disease severity in terms of
a. Western Ontario and McMaster Universities Osteoarthritis Index.
b. Health Assessment Questionnaire.
c. Visual Analogue Scale. 
12 weeks 
 
Target Sample Size   Total Sample Size="90"
Sample Size from India="90" 
Final Enrollment numbers achieved (Total)= "77"
Final Enrollment numbers achieved (India)="77" 
Phase of Trial   N/A 
Date of First Enrollment (India)   18/05/2020 
Date of Study Completion (India) 24/09/2021 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   NIL 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary   Purpose of the study is to correlate the knee alignment with ankle and hindfoot alignment and clinical severity in grade iv osteoarthritis knee using antero-posterior full lower limb radiograph and ankle long axial view radiograph by measuring various angles. 
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