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CTRI Number  CTRI/2025/09/095071 [Registered on: 19/09/2025] Trial Registered Prospectively
Last Modified On: 18/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cohort Study 
Study Design  Other 
Public Title of Study   Comparison of accuracy between Long vs Short leg X rays with Non-contrast computerized tomography (NCCT) for evaluation of posterior tibial slope in adult patients 
Scientific Title of Study   Comparison of accuracy between Long vs Short leg X rays with Non-contrast computerized tomography (NCCT) for evaluation of posterior tibial slope in adult patients-A Prospective study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Arunachalam 
Designation  Orthopedic Junior resident  
Affiliation  Jawaharlal institute of postgraduate medical education and research 
Address  Orthopedic department Jawaharlal institute of postgraduate medical education and research Dhanvantari Nagar Gorimedu,Puducherry.
Orthopedic department Jawaharlal institute of postgraduate medical education and research Dhanvantari Nagar Gorimedu,Puducherry.
Pondicherry
PONDICHERRY
605006
India 
Phone  7639003711  
Fax  0413-2272067  
Email  arunaamresh1922@gamil.com  
 
Details of Contact Person
Scientific Query  
Name  Gopishankar 
Designation  Professor 
Affiliation  Jawaharlal institute of postgraduate medical education and research 
Address  Orthopedic department Jawaharlal institute of postgraduate medical education and research Dhanvantari Nagar Gorimedu,Puducherry.
Orthopedic department Jawaharlal institute of postgraduate medical education and research Dhanvantari Nagar Gorimedu,Puducherry.
Pondicherry
PONDICHERRY
605006
India 
Phone  9360330582  
Fax  0413-2272067  
Email  drgopi9596@gmail.com  
 
Details of Contact Person
Public Query  
Name  Gopishankar 
Designation  Professor 
Affiliation  JIPMER 
Address  Orthopedic department Jawaharlal institute of postgraduate medical education and research Dhanvantari Nagar Gorimedu,Puducherry.
Orthopedic department Jawaharlal institute of postgraduate medical education and research Dhanvantari Nagar Gorimedu,Puducherry.
Pondicherry
PONDICHERRY
605006
India 
Phone  9360330582  
Fax  0413-2272067  
Email  drgopi9596@gmail.com  
 
Source of Monetary or Material Support  
Jawaharlal institute of postgraduate medical education and research 
Jawaharlal institute of postgraduate medical education and research 
 
Primary Sponsor  
Name  Jawaharlal institute of postgraduate medical education and research  
Address  Orthopedic department Jawaharlal institute of postgraduate medical education and research Dhanvantari Nagar Gorimedu,Puducherry. 
Type of Sponsor  Research institution and hospital 
 
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 Arunachalam  JIPMER  Orthopedic department Jawaharlal institute of postgraduate medical education and research Dhanvantari Nagar Gorimedu,Puducherry.
Pondicherry
PONDICHERRY 		 7639003711
-
arunaamresh1922@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, JIPMER  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Who is coming to OPD with complaints of knee pain 
Patients  (1) ICD-10 Condition: M959||Acquired deformity of musculoskeletal system, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.Age of 18 years and above
2.Patients presenting with knee pain more than 1 month.
 
 
ExclusionCriteria 
Details  1.patients with past h/o any orthopaedic intervention on the same limb
2.patients with medical disease like hemophilia, rheumatoid arthritis etc..
3.patients with suspected tumor. on the same limb
4.patient with previous fracture or deformity(coronal , sagittal plane ) in same limb
5.patients with radiological osteoarthritis kellgren and Lawrence grade 3 and 4  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To find out gold standard investigation for evaluation of posterior tibial slope  6months to 1 year morning x-ray followed by evening CT to measure the tibial slope angle 
 
Secondary Outcome  
Outcome  TimePoints 
To get benefits for future people   6 months to 2 years 
 
Target Sample Size   Total Sample Size="104"
Sample Size from India="104" 
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)   01/10/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  01/10/2025 
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  

Tibial slope is defined as the angle between the perpendicular to the middle part of the diaphysis of the tibia and the line representing the posterior inclination of the tibial plateau. 

A common knee radiograph: the connection of two points equidistant between the anterior and posterior border of the tibia, one just below the tibial tubercle [on average 5 cm (2.36 in.) below the most proximal point of the tibia and the other 15 cm (6.3 in.) below the most proximal point]. It is not clear how the results of this measurement technique relate to the PTS defined by the mechanical axis of the lower limb During weight bearing, as the slope of the tibial plateau increases, the magnitude  of the anteriorly directed shear force component that is as associated with the compressive joint force on the tibia also increases.

The geometry of the tibial plateau also has been studied as an important factor in total knee arthroplasty, anterior cruciate ligament injury and cases in which osteotomy is performed to restore normal alignment of the knee. The main identifying measurement is the posterior slope as measured on lateral radiographs, on which the medial and lateral tibial plateaus are superimposed. However, the measured slope is a two-dimensional approximation of a complex, asymmetric, and three-dimensional surface; it ignores the differences in the medial and lateral aspects of the tibia.


 
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