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CTRI Number  CTRI/2011/07/001877 [Registered on: 12/07/2011] Trial Registered Retrospectively
Last Modified On: 12/07/2011
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A comparative, multi-center, open label, randomized, parallel group Efficacy and Safety Study of Benzonatate 100 mg soft gel capsule for the symptomatic treatment of acute non-productive cough 
Scientific Title of Study   A comparative, multi-center, open label, randomized, parallel group Efficacy and Safety Study of Benzonatate 100 mg soft gel capsule for the symptomatic treatment of acute non-productive cough 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
06/2009  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  ProfDr Tapan Kumar Pal  
Designation  Director 
Affiliation   
Address  Bioequivalence Study Centre, Dept. of Pharmaceutical Technology, Jadavpur University, Kolkata, India

Kolkata
WEST BENGAL
700032
India 
Phone  03324146967  
Fax  03324146266  
Email  tkpal12@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Prof.(Dr.) Tapan Kumar Pal  
Designation   
Affiliation   
Address  Bioequivalence Study Centre, Dept. of Pharmaceutical Technology, Jadavpur University, Kolkata, India

Kolkata
WEST BENGAL
700032
India 
Phone  (033) 24146967. Mob: 09830036297   
Fax  (033)24146186/6266   
Email  tkpal12@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Vanita Sabhait 
Designation   
Affiliation   
Address  Bioocn Ltd., 20th KM, Electronic City, Hosur Road, Bangalore- 560100

Bangalore
KARNATAKA
560100
India 
Phone  08028523423  
Fax  08028523423  
Email  vanita.sabhahit@biocon.com  
 
Source of Monetary or Material Support  
Biocon Ltd. 20th km, Hosur Road, Electronics City, Bangalore 560100, Karnataka State, India 
Bioequivalence Study Centre, Dept. of Pharmaceutical Technology, Jadavpur University, Kolkata-700032. 
 
Primary Sponsor  
Name  Biocon Ltd  
Address  20th km, Hosur Road, Electronics City, Bangalore 560100, Karnataka State, India  
Type of Sponsor  Pharmaceutical industry-Indian 
 
Details of Secondary Sponsor  
Name  Address 
Bioequivalence Study Centre   Dept. of Pharmaceutical Technology, Jadavpur University, Kolkata-700032. 
TAAB Biostudy Services  27, Central Road, Jadavpur, Kolkata-700032 
 
Countries of Recruitment    
Sites of Study  
No of Sites = 3  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr. Arunava Biswas  Calcutta National Medical College  Calcutta National Medical College,,32 Gorachand Road-700014

 
09433110797

drabiswas@gmail.com 
Dr. T. K. Chattaraj   Dafodil Nursing Home Pvt. Ltd.  Dafodil Nursing Home Pvt. Ltd.,276 Canal Street-700048
Kolkata
WEST BENGAL 
9831070050

asmi_1234@rediffmail.com 
Dr. R. G. Bhagat   Dr. Bhagat's Allergy- Asthma Clinic And Respiratory Care Centre, Pathik  Dr. Bhagat's Allergy- Asthma Clinic And Respiratory Care Centre, Pathik,,Dashaporwad Society , Gajarawala Flats Lane, B/h. Paldi Bus Stand, Paldi ,-380007
Ahmadabad
GUJARAT 
07926574746

rajpurvi@yahoo.com 
 
Details of Ethics Committee  
No of Ethics Committees= 3  
Name of Committee  Approval Status 
COMSARTS (IEC) Committee for Safety & Rights of Trial Subjects (Dr. R. G. Bhagat)  Approved 
COMSARTS (IEC) Committee for Safety & Rights of Trial Subjects (Dr. T. K. Chattaraj))  Approved 
Institutional ethics committee (Dr. Arunava Biswas)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  Patients suffering from acute non-productive cough,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Benzonatate 100 mg soft gel capsule  one soft gel capsule taken (swallow) thrice daily  
Comparator Agent  Dextromethorphan 10mg   every 4 hours  
Comparator Agent  Dextromethorphan 30mg   Every 6 Hours 
 
Inclusion Criteria  
Age From  10.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  i) Patients willing to provide written informed consent to participate in the study
ii) Male and Female patient in the age range of 10-65 years.
iii) Patients with acute (defined as less than 3 week duration) non-productive cough presenting in out patient setting.
iv) Patients with a baseline daytime cough symptom score of at least 2.
v) Patients must be literate so that no one of them should chew the soft gel capsule inside the mouth which may be dangerous.
 
 
ExclusionCriteria 
Details  i) Female patients of child bearing potential or male study patient who has a partner of childbearing potential, who refuses to use a medically acceptable form of contraception throughout the study.
ii) Female patient who is pregnant or lactating.
iii) Patients with chronic cough (cough 3 weeks duration)
iv) Patients or with clinically suspected lower respiratory tract infection (e.g. pneumonia tuberculosis), asthma or having incidences of self-reported wheeze, chronic obstructive pulmonary disease with history any concurrent airway disease (eg. tonsillitis, sinusitis, deviated nasal septum, polyps etc.)
v) Patients taking any other antitussives, sleeping pills, sedative medications, or herbal cough remedies;
vi) Patients with history of allergy to local anesthetics or topical anesthetics of the para-amino- benzoic acid class (e.g. procaine; tetracaine; benzocaine) or other ester-type local anesthetics.
vii) Patients currently on any treatments that may influence cough.
viii) Patient has hepatic insufficiency or at screening presents with AST or ALT 2 times the upper limit of normal (ULN) or bilirubin 1.5 times the ULN.
ix) Patients with renal impairment or at screening presents with serum creatine 1.4 mg/dL or Blood Urea 40 mg/dL.
x) Patients who have a history or evidence of a medical condition that would expose them to an undue risk of a significant adverse event or interfere with the assessments of safety or efficacy during the course of the trial, including but not limited to hepatic, renal, respiratory, cardiovascular, endocrine, immune, neurological, psychiatric, or hematological disease as determined by the clinical judgment of the investigator;
xi) Use of any investigational drug or participation of any clinical trial within 30 days prior to this study.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
Change in the daytime cough symptom scores at end of 5 days (120 hrs) of first examination as compared to the baseline.   5 days  
 
Secondary Outcome  
Outcome  TimePoints 
Reduction in day and night time cough scores on days 5-7 as compared to baseline  5-7 Days 
Change in Night time score from the baseline at end of 5 days (120 hrs) of first examination as compared to the baseline  5 Days 
 
Target Sample Size   Total Sample Size="200"
Sample Size from India="200" 
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   Phase 3 
Date of First Enrollment (India)   26/01/2011 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="3"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details    
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary   This study is to compare efficacy and safety of benzonatate 100 mg soft gel capsule for the symptomatic treatment of acute non-productive cough. The Study agent is benzonatate100 mg soft gel capsule taken (swallow) thrice every day and the comparator agent is dextromethorphan 10mg doses every 4 hours or 30 mg every 6 hours (as prescribed by the physician). The study will be conducted on 200 patients in 3 different centers in India for 3 months. 
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