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CTRI Number  CTRI/2010/091/001178 [Registered on: 12/08/2010]
Last Modified On: 11/09/2013
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study
Modification(s)  
Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study
Modification(s)  
To determine the efficacy and safety of Extended release Paracetamol 650 mg tablet twice a day versus Conventional Paracetamol 500 mg tablet three times a day in the treatment of Osteoarthritis (OA) of knee. 
Scientific Title of Study
Modification(s)  
A randomized comparative study evaluating efficacy and tolerability of Extended Release Paracetamol 650 mg tablet twice a day versus Conventional Paracetamol 500 mg tablet three times a day in the treatment of Osteoarthritis (OA) of knee.  
Trial Acronym   
Secondary IDs if Any
Modification(s)  
Secondary ID  Identifier 
CT/19/02  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)
Modification(s)  
Name  Dr Sanjay Maroo 
Designation  Sr GM 
Affiliation   
Address  Troikaa Pharmaceuticals Limited
Commerce House- 1, Satya Marg, Bodakdev
Ahmadabad
GUJARAT
380 054
India 
Phone  79-26856242  
Fax    
Email  sanjaymaroo@troikaapharma.com  
 
Details of Contact Person
Scientific Query

Modification(s)  
Name  Dr Sanjay Maroo 
Designation  Sr GM 
Affiliation   
Address  Troikaa Pharmaceuticals Limited
Commerce House- 1, Satya Marg, Bodakdev
Ahmadabad
GUJARAT
380 054
India 
Phone  79-26856242  
Fax    
Email  sanjaymaroo@troikaapharma.com  
 
Details of Contact Person
Public Query

Modification(s)  
Name  Dr Sanjay Maroo 
Designation  Sr GM 
Affiliation   
Address  Troikaa Pharmaceuticals Limited
Commerce House- 1, Satya Marg, Bodakdev
Ahmadabad
GUJARAT
380 054
India 
Phone  79-26856242  
Fax    
Email  sanjaymaroo@troikaapharma.com  
 
Source of Monetary or Material Support
Modification(s)  
Troikaa Pharmaceuticals Limited 
 
Primary Sponsor
Modification(s)  
Name  Troikaa Pharmaceuticals Limited 
Address  Commerce House 1, Opp.Rajvansh Apartment Satya Marg, Bodakdev Ahmedabad 380054  
Type of Sponsor  Pharmaceutical industry-Indian 
 
Details of Secondary Sponsor
Modification(s)  
Name  Address 
NIL   
 
Countries of Recruitment
Modification(s)  
  India  
Sites of Study
Modification(s)  
No of Sites = 6  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Vishwanath Yaligod  Department of Orthopaedics, Sapthagiri Institute of Medical Sciences & Research Center  #15, Chikkasandra, Hesaraghatta Main Road, Bangalore - 560090
Bangalore
KARNATAKA 
09342405896

vvyaligod@rediffmail.com 
Dr D Gokul Raj  Department of Orthopedics, Sri Ramchandra Medical College  Sri Ramchandra Medical College, Sri Ramchandra university Ramchandra Nagar Porur Chennai -600 116
Chennai
TAMIL NADU 
09840150310

orthogokul@gmail.com 
Dr Sumit Batra  Department of Orthopedics, VMMC &safdarjang hospital  Safdarjung Hospital New Delhi- 110029
New Delhi
DELHI 
09891311278

sumitbatra104@hotmail.com 
Dr Ateet Sharma  Satellite orthopaedic Hospital & Research Centre Pvt. ltd  Department of orthopaedics, 302, Vraj Complex, Opp. Dhananjay Tower, 100 Ft. Road, Near Shyamal Cross Roads,
Ahmadabad
GUJARAT 
91-9824061766

ateetsharma72@rediffmail.com 
Dr. Apurv Acharya  Siddhi Vinayak Hospital  Balvatika Maninagar Road,Kankariya, Maninagar-380008
Ahmadabad
GUJARAT 
+91-9825488253

apurv18275@yahoo.co.in 
Dr Mallikarjunswamy  St. John’s Medical College & Hospital, Institutional Ethical Review Board  St. John’s Medical College & Hospital, Sarjapur Road, Bangalore- 34
Bangalore
KARNATAKA 
09902543909

bms_chandra@yahoo.co.in 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 6  
Name of Committee  Approval Status 
Independant Ethics Committee - Aditya  Approved 
Independent Ethics Committee - Aditya  Approved 
Institutional Ethical Review Board , St. John’s Medical College & Hospital  Approved 
Institutional Ethics commitee VMMC & Safdarjung Hospital  Approved 
Institutional ethics commitee, SRMC, SRU  Approved 
Institutional Ethics Committee, SIMS & RC  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied
Modification(s)  
Health Type  Condition 
Patients  Osteoarthritis (OA) of knee.,  
 
Intervention / Comparator Agent
Modification(s)  
Type  Name  Details 
Comparator Agent  Conventional Paracetamol 500 mg tablet  One tablet three times a day for 6 Weeks. 
Intervention  Paracetamol Extended Release Tablet 650 mg   One Tablet twise daily for 6 weeks  
 
Inclusion Criteria
Modification(s)  
Age From  45.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  1. Patients in the age group of 45 years or older suffering from symptomatic osteoarthritis of knee for at least 3 months
2. Meeting the American College of Rheumatology (ACR) criteria for OA of the knee
3. Patients having moderate pain (VAS score 3 or greater) in disease joint when not taking analgesics
4. Patients having a washout period of Paracetamol or NSAIDs for at least 48 hours (or longer depending on the pharmacokinetic of drug) before starting the study drug. 
 
ExclusionCriteria 
Details  1. Patients having intraarticular injection of any drug within last 4 week
2. Patients with history of chronic alcoholism or patients who regularly consumes alcohol
3. Patients with history of major trauma or surgery in the study joint in previous 6 months
4. Patients with history of acute inflammatory arthritis or pseudogout of the study joint
5. Radiographic evidence suggestive of other type of arthritis, fibromyalgia or collagen vascular disease
6. Patients with clinically unacceptable liver function test
7. Patients requiring hospitalization
8. Patients with compromised hepatic and renal function
9. Pregnant and lactating women
10.Women of child bearing age not practicing or not willing to use contraceptive
11.Patients with history of bronchial asthma, peptic ulceration, bronchitis or any other contraindication to study drug
12. Mentally retarded patients
13. Patients not willing to sign written informed consent
14. Patients with known hypersensitivity to NSAIDs and or related products
15. Patients receiving prescription analgesics, anti-inflammatory agents, myorelaxant drugs, psychotropic agents or any other drug affecting the evaluation of analgesic action
16. Patients who participated in any clinical trial with in 30 days before enrollment into the study
17.Patients, for any reason who are considered to be unsuitable candidates by the investigator.  
 
Method of Generating Random Sequence
Modification(s)  
Computer generated randomization 
Method of Concealment
Modification(s)  
An Open list of random numbers 
Blinding/Masking
Modification(s)  
Open Label 
Primary Outcome
Modification(s)  
Outcome  TimePoints 
1. Severity of pain on Visual Analogue Scale
2. Overall assessment of KOOS score for pain
3.End of study global assessment for overall symptom relief 
1.Baseline and At the end of 2, 4 and 6 week
2.Baseline and At the end of 2, 4 and 6 week
3.At the end of 6 week 
 
Secondary Outcome
Modification(s)  
Outcome  TimePoints 
Change from baseline to final assessment in the KOOS sub-score for parameters other
than pain (symptoms, stiffness, functions daily living, functions sports and recreation
& QOL) 
At the end of 2 week 4 week and 6 week 
Physician Global Evaluation of treatments  At the end of study(week 6) 
Need for Rescue analgesia  Throughout the study 
Adverse Events   Throughout the study 
 
Target Sample Size
Modification(s)  
Total Sample Size="250"
Sample Size from India="250" 
Final Enrollment numbers achieved (Total)= ""
Final Enrollment numbers achieved (India)="" 
Phase of Trial
Modification(s)  
Phase 4 
Date of First Enrollment (India)
Modification(s)  
21/08/2010 
Date of Study Completion (India) Date Missing 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial
Modification(s)  
Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
Not Publisted 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary
Modification(s)  
Osteoarthritis (OA) is a rheumatic disease in which the joint pain and stiffness can lead to significant disability and functional impairment. The knee is the most common site to be affected. Paracetamol is one of the most widely used analgesic for mild to moderate pain states. Extended release formulation of paracetamol has been shown effective and well tolerated in treating moderate to moderately sever chronic OA pain of hip and knee. 
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