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CTRI Number  CTRI/2009/091/000872 [Registered on: 01/12/2009]
Last Modified On: 04/12/2019
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study
Modification(s)  
Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study
Modification(s)  
Visual Field Assessment With Subjects Who Receive Either Lyrica Or Sugar Pills 
Scientific Title of Study
Modification(s)  
Prospective Randomized 12-Week Controlled Study Of Visual Field Change In Subjects With Partial Seizures Receiving Pregabalin Or Placebo 
Trial Acronym  Not applicable 
Secondary IDs if Any
Modification(s)  
Secondary ID  Identifier 
NCT00351611  ClinicalTrials.gov 
A0081096  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)
Modification(s)  
Name   
Designation   
Affiliation   
Address 




 
Phone    
Fax    
Email    
 
Details of Contact Person
Scientific Query

Modification(s)  
Name  Dr Karan Thakkar 
Designation  Site Oversight and Operations Relationship Lead 
Affiliation  Pfizer Limited  
Address  The Capital, 1802/1901, Plot No.C-70, G Block, Bandra Kurla Complex, Bandra (East), Mumbai, MAHARASHTRA, 400051, India

Mumbai
MAHARASHTRA
400051
India 
Phone  91-7045788858   
Fax  91-22-265225993  
Email  Karan.Thakkar@Pfizer.com  
 
Details of Contact Person
Public Query

Modification(s)  
Name  Dr Seema Pai 
Designation  Director - Site Oversight and Operations Relationship Lead  
Affiliation  Pfizer Limited 
Address  Pfizer Limited, The Capital, 1802/1901, Plot No. C - 70, G Block, Bandra Kurla Complex, Bandra (East), Mumbai 400051

Mumbai
MAHARASHTRA
400051
India 
Phone  91-8826422322  
Fax  91-22-265225993  
Email  seema.pai@pfizer.com  
 
Source of Monetary or Material Support
Modification(s)  
Pfizer Limited, The Capital, 1802/1901, Plot No. C - 70, G Block, Bandra Kurla Complex, Bandra (East), Mumbai - 400051, India. 
 
Primary Sponsor
Modification(s)  
Name  Pfizer Limited  
Address  The Capital, 1802/1901, Plot No. C - 70, G Block, Bandra Kurla Complex, Bandra (East), Mumbai - 400051, India. 
Type of Sponsor  Pharmaceutical industry-Global 
 
Details of Secondary Sponsor
Modification(s)  
Name  Address 
Pfizer Limited  The Capital, 1802/1901, Plot No. C - 70, G Block, Bandra Kurla Complex, Bandra (East), Mumbai - 400051, India. 
 
Countries of Recruitment     India
Bulgaria
Czech Republic
Hungary
Mexico
Poland
Republic of Korea
Thailand
United States of America  
Sites of Study
Modification(s)  
No of Sites = 8  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Rahul Chakor  B.Y.L.Nair Hospital, T.N.Medical College  B.Y.L.Nair Hospital, T.N.Medical College Mumbai Central Mumbai, Maharashtra 400008, INDIA
Mumbai
MAHARASHTRA 
02223027509

drchakorrt@yahoo.co.in 
Dr Nadukuru Nooka Raju   King George Hospital  Department of Neurology,,Rajendra Prasad ward Maharani peta-530 002
Visakhapatnam
ANDHRA PRADESH 
91-984911505
91-89-12720698
drnnraju@yahoo.com 
Dr Anu Radha Varalakshmi Elapavuluru  Krishna Institute of Medical Sciences Ltd  1 � 8 � 31 / 1, Minister Road, Secunderabad � 500 003 Andhra Pradesh, India
Rangareddi
ANDHRA PRADESH 
91-40-23543314
91-40-23350401
varalakshmiea@gmail.com 
Dr R Srinivasa  M.S Ramaiah Memorial Hospital  M.S.R.I.T post, New BEL Road, Bangalore,Karnataka 500 054 INDIA
Bangalore
KARNATAKA 
09448040589

drrsrinivasa@hotmail.com 
Dr Shankara Nellikunja  Mallikatta Neuro Center  Opposite Mallikatta Circle, Kadri, Mallikatta, Mangalore-575 002
Dakshina Kannada
KARNATAKA 
09845080925
918244255925
dr.shankaramnc@gmail.com 
Dr Hemant Sant  Sahyadri Speciality Hospital  Plot No. 30C Erandawane Karve Road Pune, Maharashtra 411004 INDIA
Pune
MAHARASHTRA 
91-9371008620

hmsant@gmail.com 
Dr Gosala Raja Kukkuta Sarma  St. Johns Medical College Hospital,  John Nagar, ,Sarjapur Road, -560 034
Bangalore
KARNATAKA 
91-80-22065330
91-80-25634479
grk_sarma@yahoo.com 
Dr Jaydip Ray Chaudhuri  Yashoda Hospital  Raj Bhavan Road, ,Somajiguda, -500 082,
Hyderabad
ANDHRA PRADESH 
91-40-23319999
91-40-23398667
jaydipsuvarna@rediffmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 8  
Name of Committee  Approval Status 
Independent Ethics Committee for Dr. Anu Radha Varalaxmi  Approved 
Institutional Ethical Review Board,   Approved 
Institutional Ethics Committee for Dr. Venkateswarlu Kolichana  Approved 
Institutional Ethics Committee, B.Y.L.Nair Hospital, T.N.Medical College for Dr. Chakor  Approved 
Mangala Institutional Ethics Committee for Dr Shankara Nellikunja  Approved 
MS Ramaiah Medical College and Hospitals Ethical Review Board for Dr. Shrinivasa  Approved 
Sahyadri Ethics Committee for Dr. Hament Sant  Approved 
Yashoda Academy of Medical Educatrion & Research (YAMER) IEC  Approved 
 
Regulatory Clearance Status from DCGI
Modification(s)  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied
Modification(s)  
Health Type  Condition 
Patients  Epilepsies, Partial,  
 
Intervention / Comparator Agent
Modification(s)  
Type  Name  Details 
Intervention  Lyrica (pregabalin)   150 mg twice a day, oral administration  
Comparator Agent  Placebo: Placebo Comparator placebo comparator Intervention Drug: placebo   twice a day, oral administration  
 
Inclusion Criteria
Modification(s)  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  a. Ages Eligible for Study: 18 Years to 65 Years
b. Genders Eligible for Study: Both
c. Accepts Healthy Volunteers: No
1.Epilepsy partial seizure subjects.
 
 
ExclusionCriteria 
Details  Pre-existing eye diseases. 
 
Method of Generating Random Sequence
Modification(s)  
Computer generated randomization 
Method of Concealment
Modification(s)  
Centralized 
Blinding/Masking
Modification(s)  
Participant, Investigator, Outcome Assessor and Date-entry Operator Blinded 
Primary Outcome
Modification(s)  
Outcome  TimePoints 
Visual field changes, if there is any, while comparing before and after the study drug or placebo consumption will be assessed.  3 months  
 
Secondary Outcome
Modification(s)  
Outcome  TimePoints 
Visual acuity will be assessed at the beginning and end of the study as well.   3 months  
 
Target Sample Size
Modification(s)  
Total Sample Size="284"
Sample Size from India="80" 
Final Enrollment numbers achieved (Total)= "183"
Final Enrollment numbers achieved (India)="29" 
Phase of Trial
Modification(s)  
Phase 4 
Date of First Enrollment (India)
Modification(s)  
22/12/2009 
Date of Study Completion (India) 30/07/2019 
Date of First Enrollment (Global)  01/07/2006 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial
Modification(s)  
Years="4"
Months="1"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Open to Recruitment 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
NONE 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary
Modification(s)  
 

This is a Phase IV, multicenter, randomized placebo-controlled trial to further characterize visual fields in subjects with partial epilepsy dosed for 13 weeks, including a 1 week up titration and 1 week down titration from the target dose of pregabalin 300 mg/day versus placebo. Comprehensive ophthalmologic testing will be done at pre-treatment baseline to exclude those with pre-existing eye disease.

 
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