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CTRI Number  CTRI/2025/02/080952 [Registered on: 20/02/2025] Trial Registered Prospectively
Last Modified On: 11/02/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Randomized blinded phase 3 trial of Evaluation of the effectiveness and tolerability of Olanzapine, Aprepitant,IV Dexamethasone and Palanosetron as compared to Olanzapine, Aprepitant,Palanosetron and palcebo in patients receiving chemotherapy that causes moderate nausea or vomitting or both 
Scientific Title of Study   A randomized, placebo controlled, phase 3, triple blinded study to investigate the efficacy and tolerability of Olanzapine, Aprepitant,IV Dexamethasone and Palanosetron versus Olanzapine, Aprepitant,Palanosetron and palcebo in patients receiving moderately emetogenic chemotherapeutic (MEC) regimens (OMEC2) 
Trial Acronym  OMEC 2 
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


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


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, Dr Ernest Borges Road, Parel Mumbai 400012 
 
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  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
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: C15-C26||Malignant neoplasms of digestive organs,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Olanzapine, Aprepitant,IV Dexamethasone and Palanosetron  In control arm, the patients will receive 4 drug antiemetic regimen Olanzapine, Aprepitant,IV Dexamethasone and Palanosetron Control arm (4 drug antiemetic regimen) Day 1 60 mins before chemotherapy, Capsule Aprepitant 125 mg PO plus Palonosetron 0.25mg IV plus Dexamethasone 12 mg IV Tablet Olanzapine 10 mg PO at night prior to sleep (oral and written instructions will be given to patient) Day 2 and Day 3 Capsule aprepitant 80 mg PO plus Tablet Olanzapine 10mg PO at night prior to sleep Oral and written Instructions will be given to patient regarding oral intake of capsule Aprepitant and tablet olanzapine for day 2 and day 3 
Comparator Agent  Olanzapine, Aprepitant,IV, Palanosetron plus placebo  In experimental arm, the patients will receive 3 drug antiemetic regimen Olanzapine, Aprepitant,IV, Palanosetron plus placebo Experimental arm (3 drug antiemetic regimen + placebo) Day 1 60 mins before chemotherapy, Capsule aprepitant 125 mg PO plus Palonosetron 0.25mg IV plus Inj Placebo 12 mg IV OD Tablet Olanzapine 10 mg PO at night prior to sleep (oral and written instructions will be given to patient) Day 2 and Day 3 Capsule aprepitant 80 mg PO plus Tablet Olanzapine 10mg PO at night prior to sleep Oral and written Instructions will be given to patient regarding oral intake of capsule Aprepitant and tablet olanzapine for day 2 and day 3. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1.Patients has a confirmed diagnosis of one of the cancers mentioned below
i.Esophageal,gastro-esophageal and gastric cancers
ii.Non-small cell cancers
iii.Pancreatic cancers
iv.Gallbladder cancers
v.Small-bowel adenocarcinomas
vi.Penile cancers
vii.Urinary bladder transitional cell carcinomas
viii.Colorectal cancer
ix.Gynecological cancers
and
is receiving one of the mentioned chemotherapy protocols as below.
i.Modified FOLFIRINOX(every 2 weeks)
ii.CAPIRI(every 3 weeks)
iii.CAPOX(every 3 weeks)
iv.Modified FOLFOX
v.Pemetrexed plus Carboplatin(every 3 weeks)
vi.GEMOX(Gemcitabine + Oxaliplatin)(every 2 weeks)
vii.Gemcitabine plus carboplatin(3 Weekly)
viii.Single Agent carboplatin (auc 5-7) 3 weekly regime
ix.mDOF 2 weekly
2.The patient understands the nature and purpose of this study and the study procedures and has signed informed consent.
3.The patient is aged more than 18 years.
4.Patients should be chemotherapy naïve.
5.The patient has a WHO Performance Status of ≤ 1.
6.Hematologic and metabolic status must be adequate for receiving planned chemotherapy, and meet the following criteria:
Total neutrophils more than 1500 per mm3
Platelets more than 100,000 per mm3
Bilirubin less than 1.5 times ULN(Upper Limits of Normal)
Aspartate aminotransferase (AST)and or alanine aminotransferase (ALT) less than 3 into ULN GFR more than 50 ml per min
7.The patient or the attendant is able to read,understand,and complete questionnaires and daily components of the Patient Diary for each study cycle.
8.For patients of childbearing potential, urine human chorionic gonadotropin (hCG) (urine dipstick pregnancy test) or blood hCG results must be negative at screening.
9.Has a normal baseline ECG with no QTc prolongation 
 
ExclusionCriteria 
Details  1.The patient and or attendant are unable to read, understand,and complete the forms required for the study.
2.The patient is pregnant or lactating.
3.The patient has experienced emesis (i.e.vomiting and/or retching) or clinically significant nausea (defined as nausea graded as moderate or severe) in the 24 hours preceding the first dose of study medication.
4.The patient has a history active peptic ulcer disease, significant or symptomatic, acute or subacute gastrointestinal obstruction, increased intracranial pressure,severe cognitive impairment, known central nervous system disease (e.g. brain metastases or a seizure disorder).
5.Hypercalcemia, or any uncontrolled medical condition (other than malignancy) which in the opinion of the Investigator may confound the results of the study, represent another potential etiology for emesis and nausea (other than CINV) or pose an unwarranted risk to the patient.
6.The patient has a known hypersensitivity or contraindication to palonosetron, another 5-HT3 receptor antagonist, dexamethasone, aprepitant or olanzapine.
7.The patient has taken/received any medication of moderate or high emetogenic potential within the 48 hours prior to the first dose of study medications.Opiate drugs for cancer pain will be permitted if the patient has been on a stable dose and has not experienced emesis or clinically significant nausea from the narcotics in the 24 hours preceding the first dose of study medication.
8.The patient has taken or received any medication with known or potential antiemetic activity within the 24-hour period prior to receiving study drugs. This is inclusive of, but not limited to 5 HT3 antagonists, metoclopramide, benzodiazepines, phenothiazines, haloperidol, oral or intravenous steroids, antihistamines, domperidone, olanzapine, antipsychotics.
9.Patient on antipsychotics or being planned to receive any of the antiphychotics, amifostine in last 3 months.
10.Patient has received concurrent abdominal radiotherapy in last 3 months or being planned to receive the same.
11.Patient is receiving or will likely to receive concurrent use of quinolone antibiotic therapy.
12.Patient with the history of chronic alcoholism.
13.Patient with cardiac arrhythmia, uncontrolled/ controlled heart failure, or acute coronary event or uncontrolled diabetes mellitus within the previous 6 months.
14.Has taken drugs which may influence medications used in the study, e.g. CYP inducers or inhibitors. This will have to be evaluated for and decision taken by PI. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Centralized 
Blinding/Masking   Participant, Investigator, Outcome Assessor and Date-entry Operator Blinded 
Primary Outcome  
Outcome  TimePoints 
The primary objective is to compare an antiemetic regimen consisting of aprepitant, palonosetron, dexamethasone and olanzapine (standard arm) and a regimen consisting of aprepitant, palonosetron, olanzapine, and placebo (experimental arm) with respect to complete response (CR) and the proportion of subjects with no vomiting,no significant nausea (scored as less than 5 on a scale of 1-100) and no use of rescue medications during pre-specified MEC protocols during the 1st cycle of chemotherapy  during the 1st cycle of chemotherapy 
 
Secondary Outcome  
Outcome  TimePoints 
1.To compare the dexamethasone free regimen to the control arm with respect to no emesis rates(the proportion of subjects with no vomiting, & no use of rescue medications) during pre-specified high MEC protocols for 1 & 3 cycles of chemotherapy
2.To compare the dexamethasone free regimen to the control arm with respect to proportion of patients with no significant nausea(less than 5 on a score of 1-100)during pre-specified high MEC protocols for 1 to 3 cycles of chemotherapy
3.To compare the the dexamethasone free regimen to the control arm with respect to CR rates during pre-specified high MEC protocols for the second & third cycles of chemotherapy
4.To compare quality of life using FLIE questionnaire
5.To compare tolerance & side effects with both regimens
6.To assess the chemotherapy drug induced reactions & compare them in dexamethasone vs placebo arms. 
For 1 to 3 cycles of chemotherapy 
 
Target Sample Size   Total Sample Size="834"
Sample Size from India="834" 
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)   25/02/2025 
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="4"
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  

Chemotherapy often causes nausea and vomiting, which can be very upsetting. This affects how patients feel and their ability to stick to treatment. Minimizing these side effects improves patients’ lives. The main goal of the study is to compare two anti-nausea treatment plans. One includes aprepitant, palonosetron, dexamethasone, and olanzapine (standard), while the other substitutes dexamethasone with a placebo (experimental). We’re looking at how well each plan prevents vomiting, reduces nausea,  and avoids extra medication during specific chemotherapy cycles. All patients screened will be listed on the "Screening list." Those meeting inclusion criteria and no exclusion criteria will be added to the "Inclusion list" and "Identification list" with a unique ID for the study. We need 834 patients for the study, grouped in blocks of four and randomly assigned one of the two treatment plan.Before starting chemotherapy on Day 1, patients will receive medication either with dexamethasone (Control arm) or placebo (Experimental arm) alongside other drugs. Olanzapine tablets will be taken the night before. On Days 2-3, patients will self-administer medications according to the given schedule. Patients will be contacted telephonically by the study team to report medication intake, vomiting episodes, and nausea levels. Mid-cycle evaluation (Day 7-10) post chemotherapy will include assessing medication intake, nausea/vomiting episodes, and completing questionnaires. End-of-cycle assessments will be done, and follow-up visits are required for study completion.

 
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