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CTRI Number  CTRI/2025/03/083590 [Registered on: 27/03/2025] Trial Registered Prospectively
Last Modified On: 10/11/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Other 
Public Title of Study   Long-term follow-up study to evaluate response in previous bepirovirsen study participants. 
Scientific Title of Study   A prospective, multi-centre study (B-Sure) to evaluate long-term durability of treatment response in chronic hepatitis B participants with and without nucleos(t)ide therapy who have participated in a previous bepirovirsen treatment study 
Trial Acronym  B-Sure 
Secondary IDs if Any  
Secondary ID  Identifier 
2023-506867-33  EudraCT 
206882 Protocol Amendment 3_04 Apr 2024  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr VG Mohan Prasad 
Designation  Chief Gastroenterologist 
Affiliation  VGM Hospital 
Address  VGM Hospital 2100, Trichy Road Rajalakshmi mills stop.

Coimbatore
TAMIL NADU
641005
India 
Phone  9842204995  
Fax    
Email  drvgm@rediffmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Sumit Gupta 
Designation  Director Clin Ops, Country Head India 
Affiliation  Syneos Health India Private Limited  
Address  Syneos Health India Private Limited 4th and 5th Floor, Block-2, DLF Downtown, Commercial Site, Block-V, DLF City, Phase III, Sector-25A, Gurugram – 122002

Gurgaon
HARYANA
122002
India 
Phone  9560453771  
Fax    
Email  sumit.gupta@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Ataur Rahman 
Designation  Manager, Clinical Operations 
Affiliation  Syneos Health India Private Limited  
Address  Syneos Health India Private Limited 4th and 5th Floor, Block-2, DLF Downtown, Commercial Site, Block-V, DLF City, Phase III, Sector-25A, Gurugram – 122002

Gurgaon
HARYANA
122002
India 
Phone  8532011805  
Fax    
Email  ataur.rahman@syneoshealth.com  
 
Source of Monetary or Material Support  
GlaxoSmithKline Research & Development Limited 980 Great West Road, Brentford, Middlesex, TW8 9GS, UK  
 
Primary Sponsor  
Name  GlaxoSmithKline Research & Development Limited 
Address  980 Great West Road, Brentford, Middlesex, TW8 9GS, UK  
Type of Sponsor  Pharmaceutical industry-Global 
 
Details of Secondary Sponsor  
Name  Address 
Syneos Health India Private Limited  4th and 5th Floor, Block-2, DLF Downtown, Commercial Site, Block-V, DLF City, Phase III, Sector-25A, Gurugram – 122002  
 
Countries of Recruitment     Taiwan
Argentina
Australia
Brazil
Bulgaria
Canada
China
France
Germany
Greece
Hong Kong
Hungary
India
Italy
Japan
Malaysia
New Zealand
Panama
Philippines
Poland
Republic of Korea
Romania
Russian Federation
Singapore
South Africa
Spain
Thailand
United Kingdom
United States of America  
Sites of Study
Modification(s)  
No of Sites = 16  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Shine Sadasivan  Amrita Institute of Medical Sciences &Research Centre AIMS,   Ponekkara (P.O.), Kochi, Kerala, 68204l,India
Ernakulam
KERALA 
9497556339

Shines1560@aims.amrita.edu 
Dr Ganesh Subramanian  Apollo Cancer Centre  No. 320, Padma Complex, Anna Salai, Chennai-600 035, Tamil Nadu, India.
Chennai
TAMIL NADU 
9841098434

ganeshgastro@gmail.com 
Dr Jatin Yegurla  Apollo Hospitals  Jubilee Hills Hyderabad Telangana, pincode -500096 India
Hyderabad
TELANGANA 
9550007809

drjatin.y@gmail.com 
Dr Pravin Motilal Rathi  B.Y.L Nair Ch. Hospital and T.N Medical College,   Opp Building 7th Floor, Department of Gasteroenterology, Room no. 714/715, Dr A L Nair Road, Mumbai Central 400008, India
Mumbai
MAHARASHTRA 
9322406438

rathipmpp@gmail.com 
Dr Ameetkumar Mandot  Gleneagles hospital Super Speciality & Transplant Centre,  A Unit of Cedntre for Digestive and Kidney Diseases(India) Pvt. Ltd. 35, Dr. E. Borges Road, hospital Avenue. Opposite Shirodkar high school, Parel, Mumbai 400012, Maharashtra.
Mumbai
MAHARASHTRA 
9819622291

ameetmandot@yahoo.co.in 
Dr Pai Nitin Vikas  Grant Medical Foundation Ruby Hall Clinic  40, Sassoon Road, Pune - 411001, Maharashtra, India
Pune
MAHARASHTRA 
9822008682

drnitinpai@gmail.com 
Dr Praveen Sharma  Institute of Gastroenterology & Pancreatico Biliary Sciences, Sir Ganga Ram Hospital   Sir Ganga Ram Hospital Marg, Rajinder Nagar, New Delhi 110060, India.
New Delhi
DELHI 
9810365151

Drpraveen_sharma@yahoo.com 
Shiv Kumar Sarin  Institute of Liver and Biliary Sciences,   D-1, Vasant ,Kjnu New Delhi-110070
New Delhi
DELHI 
9540947000

shivsarin@gmail.com 
Dr Santosh Dhanajay Hajare  KLES Dr Prabhakar Kore Hospital & Medical Research Centre,   Nehrunagar, Belagavi- 590010, Karnataka, India
Belgaum
KARNATAKA 
9448111913

drsantoshhajare@gmail.com 
Dr Sanjay Chandnani  Lokmanya Tilak Municipal Medical College & General Hospital.  College Building, 1st Floor, Room no. 2, Gastroenterology office,Lokmanya Tilak Muncipal Medical College & General Hospital, Sion-400022, Mumbai, India
Mumbai
MAHARASHTRA 
9049708800

Sanjy.med@gmail.com 
Dr Aejaz Habeeb Mohammad  Origin hospital,   A Unit of C.LRD,: 2-5-36/CLRD/1. Chintalmetmet X road. Near Pillar No. 177, PVNR Expressway, Attapur, Hyderabad.
Hyderabad
TELANGANA 
9848034860

aejazhabeeb@hotmail.com 
Dr Akash Shukla  Seth GS Medical College Kem Hospital-Mumbai-India   Department Of Gastroenterology, Ward 32A, 9th Floor, M.S Building, Seth G.S. Medical College KEM Hospital, Parel, Mumbai-400012
Mumbai
MAHARASHTRA 
9869256376

drakashshukla@yahoo.com 
Dr Rajiv Mehta  SIDS Hospital and Research Centre  A unit of SIDS Healthcare Private Limited. Off Ring Road, Near Shell petrol Pump, Ring Road – Sosyo circle lane, Surat-395002, Gujarat, India.
Surat
GUJARAT 
9879863510

rmgastro@yahoo.com 
Dr V G Mohanprasad  VGM Hospital  2100, Trichy Road, Rajalakshmi mill stop, Coimbatore-641005
Coimbatore
TAMIL NADU 
9842204995

drvgm@rediffmail.com 
Dr Nagalingeswaran Kumarasamy  VHS Infectious Diseases Medical Centre,   CART Clinical Research Site, Voluntary Health Services Rajiv Gandhi Salai, Taramani Chennai 600113
Chennai
TAMIL NADU 
9176912007

kumarasamyn@gmail.com 
Dr Dharmesh Kapoor  Yashoda Hospitals  S.P, Road, Alexander Road, Secunderabad, Hyderabad, Telangana, India-500003
Hyderabad
TELANGANA 
9849439407

dharmesh_kapoor@yahoo.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 16  
Name of Committee  Approval Status 
Ethics Committee: Institutional Ethics Committee, Origin Hospital. 2-5-36CLRD 1, - Chintalmetmet Xroad, Near Pillar No .177, PVNR Expressway, Attapur, Hyderabad.   Approved 
ICMR-NIIH Institutional Ethics Committee ICMR-National Institute Of Immunohaematology 13th Floor, King Edward Memorial Hospital, Parel, Mumbai 400012 Mumbai Mumbai City Maharashtra  Submittted/Under Review 
Institutional Ethics Committee Amrita Institute of Medical Sciences and Research Centre AlMS-Ponekkara Kochi Edappally Ernakulam Kerala - 682041 India.  Submittted/Under Review 
Institutional Ethics Committee Lokmanya Tilak,Dr. Babasaheb Ambedkar Road, Sion (West), Mumabai-400022, Mumbai City,Maharashtar, India   Approved 
Institutional Ethics Committee Poona Medical Research Foundation ,E4C to E4F, 4th floor, Fifth Avenue Condominium Dhole Patel Road, Pune 4110001 Maharashtra India  Approved 
Institutional Ethics Committee The Voluntary Health Services Multi-Speciality Hospital &Research Centre Rajiv Gandhi Salai, Adyar, Chennai Tamil Nadu -600113 India  Submittted/Under Review 
Institutional Ethics Committee TNMC NAIR HOSPITAL Topiwala National Medical College Nair Hospital Dr A L Nair Road Mumbai Central, Mumbai City Maharashtra - 400008 India  Approved 
Institutional Ethics Committee VGM Hospital, 2100, Trichy Road, Rajalakshmi mill stop, Coimbatore-641005  Approved 
Institutional Ethics Committee, Gleneagles Hospital,Room No.222, 35, Dr E.Borges Road, hospital Avenue, Opposite Shirodkar High School, Parel, Mumbai-400012, Maharashtra, India   Approved 
Institutional Ethics Committee, Institute of Liver and Biliary Sciences, D-1, Vasant ,Kunj New Delhi-110070  Submittted/Under Review 
Institutional Ethics Committee, KLES Dr Prabhakar Kore Hospital & Medical Research Centre, Nehrunagar, Belagavi- 590010, Karnataka, India  Submittted/Under Review 
Institutional Ethics Committee, Yashoda Academy of Medical Education & Research, Yashoda Hospitals, S.P, Road, Alexander Road, Secunderabad, Hyderabad, Telangana, India-500003  Submittted/Under Review 
Institutional Ethics Committee-Clinical Studies APOLLO HOSPITALS ENTERPRISE LIMITED  Approved 
Institutional Ethics Committee-Clinical studies, No. 21, Greams Lane, Off Greams Road, Thousand lights, Chennai-600 006, Tamil Nadu, India.  Submittted/Under Review 
Sir Ganga Ram Hospital Ethics Committee, Sir Ganga Ram Hospital, Old Rajinder Nagar, New Delhi-110060, India   Submittted/Under Review 
Surat Institute of Digestive Science Ethics Committee,Surat Institute of digestive sciences A Unit Of SIDS Healthcare Pvt Ltd Off Ring Road Near Shell Petrol Pump Ring Road Sosyo Circle Lane Surat Surat Gujarat - 395002 India  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Notified 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K928||Other specified diseases of the digestive system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  N/A  N/A 
Comparator Agent  N/A  N/A 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Participants are eligible to be included in the study only if all the following criteria apply:
1. Participants who enter the study on stable NA are willing and able to cease their NA
treatment in accordance with the NA cessation schedule.
2. Capable of giving informed consent as described in Section 10.1 which includes compliance with the requirements and restrictions listed in the ICF and in this protocol
 
 
ExclusionCriteria 
Details  Participants are excluded from the study if any of the following criteria apply:
1. Participants who have participated in / are currently participating in another interventional clinical study exploring HBV treatment since completing their treatment with bepirovirsen.
2. Any condition which, in the opinion of the investigator or Medical Monitor,
contraindicates their participant in this study.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
A prospective, multi-centre study (B-Sure) to evaluate long term durability of
treatment response in chronic hepatitis B participants with and without nucleos(t)ide
therapy who have participated in a previous bepirovirsen treatment study” 
132 Weeks 
 
Secondary Outcome  
Outcome  TimePoints 
To describe changes in
disease following NA cessation (in
either parent study or B-Sure), as
measured by time to HBsAg reversion,
time to virologic relapse, time to clinical
relapse and time to NA retreatment in
on-NA/NA-cessated participants, who
achieved PSPO. 
Time from NA cessation to the first occurrence of HBsAg reversion or first use of any rescue medication.
Time from NA cessation to the first occurrence of virologic relapse or first use of any rescue medication.
Time from NA cessation to the first occurrence of clinical relapse or first use of any rescue medication.
Time from NA cessation to NA retreatment. 
 
Target Sample Size   Total Sample Size="450"
Sample Size from India="17" 
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)   08/04/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  14/12/2021 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="5"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Open to Recruitment 
Recruitment Status of Trial (India)  Open to Recruitment 
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  

This is a Phase 2b, global, multi-centre, long-term follow-up study designed to assess

durability of treatment response from the parent study. Follow-up will be over a period of

up to 5 years, in participants who demonstrated a complete or partial response in a

previous bepirovirsen treatment study.

No further treatment with bepirovirsen will be administered in this study. Non-cirrhotic

participants who are controlled on stable NA therapy on study entry will be asked to

undergo NA cessation after 3 months in the study. 
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