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CTRI Number  CTRI/2024/08/072162 [Registered on: 08/08/2024] Trial Registered Prospectively
Last Modified On: 04/05/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia
Radiation Therapy 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Perioperative Gemcitabine based chemotherapy vs surgery and adjuvant CAPECITABINE and chemo-radiation in operable GBC 
Scientific Title of Study   Perioperative Gemcitabine based chemotherapy versus upfront resection followed by adjuvant capecitabine with and chemo-radiation in operable Stage III Gall bladder cancers (GBC) – A Randomised, open-label, Two-Arm phase III Prospective Clinical Trial 
Trial Acronym  GB-GeCCOR II 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Vikas Ostwal 
Designation  Professor and consultant Medical Oncologist 
Affiliation  Tata Memorial Hospital 
Address  Room number 1102,Department of Medical Oncology GI, 11th Floor, Homi Bhabha Block, Tata Memorial Hospital, Dr. E. Borges road, Parel, Mumbai

Mumbai
MAHARASHTRA
400012
India 
Phone  9702288801  
Fax    
Email  dr.vikas.ostwal@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Vikas Ostwal 
Designation  Professor and consultant Medical Oncologist 
Affiliation  Tata Memorial Hospital 
Address  Room number 1102,Department of Medical Oncology GI, 11th Floor, Homi Bhabha Block, Tata Memorial Hospital, Dr. E. Borges road, Parel, Mumbai

Mumbai
MAHARASHTRA
400012
India 
Phone  9702288801  
Fax    
Email  dr.vikas.ostwal@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Vikas Ostwal 
Designation  Professor and consultant Medical Oncologist 
Affiliation  Tata Memorial Hospital 
Address  Room number 1102,Department of Medical Oncology GI, 11th Floor, Homi Bhabha Block, Tata Memorial Hospital, Dr. E. Borges road, Parel, Mumbai

Mumbai
MAHARASHTRA
400012
India 
Phone  9702288801  
Fax    
Email  dr.vikas.ostwal@gmail.com  
 
Source of Monetary or Material Support  
We will request for Drug support and extramural grant from pharma companies and we will request for intramural fund from Tata Memorial Hospital, Mumbai  
 
Primary Sponsor  
Name  Tata Memorial Hospital 
Address  Tata Memorial Hospital Dr Ernest Borges Road Parel Mumbai Maharashtra India 400012  
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Vikas Ostwal  Tata Memorial Hospital  OPD 319, Dept of GI Medical Oncology, 3rd floor, Homi Bhabha Building, Tata Memorial Hospital, Dr Ernest Borges Road, Parel, Mumbai 400012
Mumbai
MAHARASHTRA 
9702288801

dr.vikas.ostwal@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 2  
Name of Committee  Approval Status 
Institutional Ethics Committee (IEC)  Approved 
Institutional Ethics Committee- II  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C23||Malignant neoplasm of gallbladder, (2) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  CAPECITABINE (adjuvant therapy)  Patients in this arm will undergo upfront resection followed by adjuvant CAPECITABINE CAPECITABINE1000 mg per meter square twice daily for 2 weeks followed by 1 week of rest 
Intervention  Surgery plus chemotherapy Gmecitabine Cisplatin and Nab paclitaxel  Neoadjuvant and Adjuvant chemotherapy Gemcitabine Cisplatin and Nab Paclitaxel. Surgery will be sandwiched between neoadjuvant and adjuvant chemotherapy. Gemcitabine 800 mg per meter squares plus Nab-paclitaxel 100 mg per meter squares plus Cisplatin 25 mg per meter squares(GCNabP) D1 and D8 every 21 days 1 cycle of 21 days  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1.Histologically confirmed adenocarcinoma (FNAC or biopsy) of the
gallbladder
2.No radiological or clinical evidence of metastatic disease and no
evidence of metastatic disease as discovered by on-table evaluation
during definitive surgery
3.Patients presenting with pT3 or/and pN + disease after simple
cholecystectomies who are non-metastatic and still resectable
4.The patients who present with upfront cT3 and or cN+ disease and are
non-metastatic and resectable
5.The patients who present with upfront cT2 and cN+ disease and are
non-metastatic and resectable
6.Operable disease decided in MDT
7.ECOG performance status 0 - 1
8.Patient does not have any contraindications to receive chemotherapy
9.Adequate hematological, hepatic and renal function parameters -
hematological- Hb greater than 80 g/L, ANC greater than or equal to 1.5 x 109/L, platelets greater than or equal to 100 x 109/L.
Liver functions- bilirubin lesser than or equal to 2 x upper limit normal (ULN),
AST/ALT lesser than or equal to 5 x ULN, S. albumin greater than or equal to 2.8 g/L
10.Renal function- Creatinine lesser than or equal to 1.5 ULN, Creatinine clearance greater than or equal to 50 mL/min.
11.Women of childbearing age should have a negative pregnancy test at
the time of randomization and should be willing to use adequate
contraception during the treatment phase of the trial. 
 
ExclusionCriteria 
Details  1.Known hypersensitivity or contraindications against gemcitabine,
cisplatin, Nab-Paclitaxel or CAPECITABINE or radiation therapy.
2.Radiological T1 patients will not be included if radiologists are sure
about the cT1 at presentation
3.Clinically significant active coronary heart disease, cardiomyopathy,
valvular heart disease or congestive heart failure, NYHA III-IV,
4.Past or current history of other malignancies not curatively treated and
without evidence of disease for more than 5 years, except for
curatively treated basal cell carcinoma of the skin and in situ
carcinoma of the cervix
5.Other severe internal disease or acute infection
6.Subject pregnant or breast feeding, or planning to become pregnant
within 6 months after the end of treatment. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To evaluate difference in OS at 36 months between perioperative gemcitabine-cisplatin-
nabPaclitaxel (sequence of neoadjuvant Gemcitabine-Cisplatin - nabPAclitaxel followed by
surgery and adjuvant gemcitabine-cisplatin) and upfront surgery and adjuvant oral
CAPECITABINEand concurrent cape-RT for in operable Gall BladderCancers. 
To evaluate difference in OS at 36 months between perioperative gemcitabine-cisplatin-
nabPaclitaxel (sequence of neoadjuvant Gemcitabine-Cisplatin - nabPAclitaxel followed by
surgery and adjuvant gemcitabine-cisplatin) and upfront surgery and adjuvant oral
CAPECITABINEand concurrent cape-RT for in operable Gall BladderCancers.
Assessments will be done at baseline and after every 4 cycles 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate difference in DFS at 36 months between perioperative gemcitabine-cisplatin-
nabPaclitaxel (sequence of neoadjuvant Gemcitabine-Cisplatin - nabPAclitaxel followed
by surgery & adjuvant gemcitabine-cisplatin) & upfront surgery & adjuvant oral
CAPECITABINE for in operable Gall BladderCancers.
1.To assess the QOL of these patients in each of these arms.
2.To evaluate differences in R0 resection rates between the two arms
3.To evaluate differences in resection rates between the two arms
4.To evaluate differences in treatment completion rates between the two arms
5.To evaluate differences in treatment related adverse event profiles between the two arms 
36 months 
 
Target Sample Size   Total Sample Size="294"
Sample Size from India="294" 
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)   20/08/2024 
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="7"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
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  

Short title : Perioperative Gemcitabine based chemotherapy vs surgery and adjuvant capecitabine with chemoradiation in operable GBC

Indication     

Patients with operable gallbladder cancer to find out whether the addition of chemotherapy before the surgery improves the survival.

Type of study

Randomized, open label phase III clinical trial

Study design 

Patients with operable Gall Bladder Cancer will undergo randomization into one of two arms

Arm A (Perioperative Arm)

Patients will receive perioperative therapy in this arm - Surgery will be sandwiched between chemotherapy before and after surgery in this arm.

Gemcitabine (G) 800mg/m2 plus Nab-paclitaxel (NabP) 100mg/m2 plus Cisplatin (C) 25mg/m2 (GCNabP)

D1, D8, q 21 days

1 cycle = 21 days

Patient will receive 2-4 cycles of GCNabP followed by assessment for surgery. Post-surgery, patient will receive 2-4 cycles of GC. Patient will be planned for a total of 6 to 8 cycles of chemotherapy perioperatively.

Arm B –(Surgery followed by Capecitabine and capecitabine radiation concurrently)

Patient will undergo upfront surgery in this arm, followed by adjuvant oral chemotherapy.

Surgery→

Capecitabine 6 #

And capecitabine plus radiation

 

Sample size

294 patients

Study duration

7 years

 

 
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