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CTRI Number  CTRI/2022/02/040331 [Registered on: 15/02/2022] Trial Registered Prospectively
Last Modified On: 12/07/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   To test effect of hydrogen peroxide on radiation sensitivity in breast cancer patients 
Scientific Title of Study   Randomised phase II trial testing efficacy of intra-tumoural hydrogen peroxide as a radiation sensitiser in patients with locally advanced or recurrent breast cancer 
Trial Acronym  KORTUC Phase II 
Secondary IDs if Any
Modification(s)  
Secondary ID  Identifier 
2019-001709-25   EudraCT 
264012  Other 
CCR5119 Version 4 dated 22 Jan 2023  Protocol Number 
NCT 03946202  ClinicalTrials.gov 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Sanjoy Chatterjee 
Designation  Snr. Consultant Clinical Oncologist (MRCP, FRCP, FRCR) 
Affiliation  Tata Medical Center 
Address  Tata Medical Center, 14 MAR (E-W), DH Block (Newtown), Action Area I, Newtown

Kolkata
WEST BENGAL
700160
India 
Phone  913366057000  
Fax    
Email  sanjoy.chatterjee@tmckolkata.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sanjoy Chatterjee 
Designation  Snr. Consultant Clinical Oncologist (MRCP, FRCP, FRCR) 
Affiliation  Tata Medical Center 
Address  Tata Medical Center, 14 MAR (E-W), DH Block (Newtown), Action Area I, Newtown

Kolkata
WEST BENGAL
700160
India 
Phone  913366057000  
Fax    
Email  sanjoy.chatterjee@tmckolkata.com  
 
Details of Contact Person
Public Query
 
Name  Dr Sanjoy Chatterjee 
Designation  Snr. Consultant Clinical Oncologist (MRCP, FRCP, FRCR) 
Affiliation  Tata Medical Center 
Address  Tata Medical Center, 14 MAR (E-W), DH Block (Newtown), Action Area I, Newtown

Kolkata
WEST BENGAL
700160
India 
Phone  913366057000  
Fax    
Email  sanjoy.chatterjee@tmckolkata.com  
 
Source of Monetary or Material Support  
CRUK Convergence Science Centre – Development Fund, UK 
Kortuc Inc. Japan  
UK Research and Innovation – Global Challenges Research Fund, UK 
 
Primary Sponsor  
Name  The Institute of Cancer Research 
Address  123 Old Brompton Road, London SW7 3RP, UK 
Type of Sponsor  Research institution 
 
Details of Secondary Sponsor  
Name  Address 
IQVIA RDS INDIA PRIVATE LIMITED   Omega Embassy Tech Square, Marathahalli - Sarjapura, Outer Ring Road, Kadubeesanahalli, Bengaluru, Karnataka – 560103 Contact Number: 995 888 1837 Email address: sneha.gupta2@iqvia.com 
 
Countries of Recruitment     India
United Kingdom  
Sites of Study
Modification(s)  
No of Sites = 4  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Selvamani Backianathan  Christian Medical College  Department of Radiation Oncology Unit III, Vellore – 632004, Tamilnadu
Vellore
TAMIL NADU 
9445757517

selvamani@cmcvellore.ac.in 
Dr Beela Sarah Mathew  Regional Cancer Centre  Medical College P.O, 695011
Thiruvananthapuram
KERALA 
9846520565

beelasmathew@gmail.com 
Dr Sanjoy Chatterjee  Tata Medical Centre  Department - Radiation Oncology, Room no- HRG 02, Ground Floor, Phase 1, 14 Major Arterial Road (E-W), Kolkata
Kolkata
WEST BENGAL 
913366057773

sanjoy.chatterjee@tmckolkata.com 
Dr Tabassum Wadasadawala  Tata Memorial Centre  Dr. E Borges Road, Parel, Mumbai-400 012 India.
Mumbai
MAHARASHTRA 
919324445303

twadasadawala@actrec.gov.in 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 4  
Name of Committee  Approval Status 
Institutional Ethics Committee- II   Approved 
Institutional Review Board - Christian Medical College  Approved 
Institutional Review Board - Tata Medical Center  Approved 
Regional Cancer Centre   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C509||Malignant neoplasm of breast of unspecified site,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Radiotherapy (RT)   49.5Gy in 18 daily fraction of 2.75Gy OR 36Gy in 6 twice-weekly fraction of 6Gy  
Intervention  Radiotherapy (RT) Plus KORTUC   49.5Gy in 18 daily fractions of 2.75Gy plus 5-6 intratumoural KORTUC injections twice-weekly OR 36Gy in 6 twice-weekly fractions of 6Gy plus 4-5 intratumoural KORTUC injections twice-weekly  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Patient age 18 years and over.
Primary locally advanced breast cancer, or locally recurrent breast cancer with/without metastases
Radical/high dose palliative RT required for lifetime control of local morbidities.
Patient physically and mentally fit for radical/high dose palliative RT.
Target tumour accessible for intra-tumoural injection.
Patient suitable/compliant with MRI protocol
At least one tumour diameter ≥30mm and ≤150mm measurable by ultrasound, MRI, CT or PET-CT
Patients with predicted life expectancy of 12 months or more.
Negative pregnancy test before start of RT in women of child bearing potential and an ability/ willingness to protect against pregnancy from consent and for 3 months post-RT.
Documented informed consent obtained. 
 
ExclusionCriteria 
Details  Prior RT to the target area.
Maximum diameter of target tumour 150mm measurable by ultrasound, MRI, CT or PET-CT.
Anatomical location and/or extent of disease difficult to access for safe intra-tumoural drug injections, for example by virtue of contiguous major blood vessels and/or brachial plexus.
Concomitant chemotherapy or biological therapy except Herceptin, Pertuzumab and Denosumab (all endocrine therapies and bisphosphonates are allowed concomitantly; other cytotoxics and biological therapies apart from those mentioned above should be stopped 3 weeks prior to RT).
Pregnancy or nursing.
Hypersensitivity to any of the KORTUC ingredients.
 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome
Modification(s)  
Outcome  TimePoints 
To test efficacy
 
Complete tumour response based on best response assessed by contrast enhanced MRI, according to criteria
outlined in protocol, performed up to and including 12 months post-RT. 
 
Secondary Outcome
Modification(s)  
Outcome  TimePoints 
To further characterise efficacy & safety  Overall survival at 6,12&24 months
Loco-regional recurrence,local progression-free survival & distant recurrence at 6, 12 & 24 months
Proportion of patients with either complete response on MRI up to & including 12 months or pathological complete response following tumour resection before 12 months.
Proportion of patients with partial response & stable
disease
Planned/unplanned tumour excision & pathological
response
Adverse events
Compliance with KORTUC administration 
 
Target Sample Size   Total Sample Size="184"
Sample Size from India="60" 
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 2 
Date of First Enrollment (India)   15/02/2022 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  25/06/2020 
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)
Modification(s)  
Open to Recruitment 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   NA 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  
This study is multi-centre, non-blinded, randomised trial with two groups comparing radiotherapy (RT) plus/minus radiation sensitizer.

Patients with poorly controlled symptoms of primary or recurrent locally advanced breast cancer requiring high dose RT for lifetime control of moderate or severe morbidities will be enrolled in the study.

Randomisation: Treatment allocation will be in a 1:1 ratio of RT alone versus same RT + KORTUC. Randomisation is performed by an interactive response technology (IRT) system.

Planned sample size globally is 184 subjects (92 in each randomised group). 
 
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