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CTRI Number  CTRI/2024/08/072275 [Registered on: 09/08/2024] Trial Registered Prospectively
Last Modified On: 07/05/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Single Arm Study 
Public Title of Study   A study to assess the safety and effectiveness of a novel treatment regimen for advanced lung cancer with an uncommon genetic mutation  
Scientific Title of Study   Carboplatin, Pemetrexed with Cetuximab for Advanced Non-Small cell lung cancer with EGFR exon 20 insertion – A Multi-centric Prospective Phase II trial  
Trial Acronym  CATCH20 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Ashish Singh 
Designation  Professor and Head of Department 
Affiliation  Christian Medical College, Vellore, India 
Address  Block A0001, Department of Medical Oncology, Division of Oncology, Room Number 8, Christian Medical College, Vellore, Ranipet Campus

Vellore
TAMIL NADU
632517
India 
Phone  04172224034  
Fax    
Email  todrashish@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Ashish Singh 
Designation  Professor and Head of Department 
Affiliation  Christian Medical College, Vellore, India 
Address  Block A0001, Department of Medical Oncology, Division of Oncology, Room Number 8, Christian Medical College, Vellore, Ranipet Campus

Vellore
TAMIL NADU
632517
India 
Phone  04172224034  
Fax    
Email  todrashish@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Ashish Singh 
Designation  Professor and Head of Department 
Affiliation  Christian Medical College, Vellore, India 
Address  Block A0001, Department of Medical Oncology, Division of Oncology, Room Number 8, Christian Medical College, Vellore, Ranipet Campus

Vellore
TAMIL NADU
632517
India 
Phone  04172224034  
Fax    
Email  todrashish@gmail.com  
 
Source of Monetary or Material Support  
Christian Medical College Vellore Fluid Research Grant, Office of Research, Ist Floor, Carman Block, Christian Medical College, Vellore, ,Tamil Nadu 632 002, India 
International Association for the Study of Lung Cancer IASLC Fellowship Grant , 1775 N. Sherman Street, Suite 1600, Denver, Colorado 80203-4317, United States of America. Contact number : 1-855-464-2752, Email ID : info@iaslc.org 
 
Primary Sponsor  
Name  Christian Medical College, Vellore 
Address  CMC Vellore, Ranipet Campus, Ratnagiri Kilminnal, Ranipet PINCODE 632517 
Type of Sponsor  Private medical college 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study
Modification(s)  
No of Sites = 2  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Ashish Singh  Christian Medical College, Vellore  Block A0001, Department of Medical Oncology, Division of Oncology, Room Number 8, Christian Medical College, Vellore, Ranipet Campus, Ratnagiri Kilminnal, Ranipet
Vellore
TAMIL NADU 
04172224034

todrashish@gmail.com 
Akhil Kapoor  Mahamana Pandit Madan Mohan Malviya Cancer Center and Homi Bhabha Cancer Hospital  Department of Medical Oncology, Oncology Division, Room 1, Banaras Hindu University campus, Sundar Bagiya Colony, Sundarpur, Varanasi, Uttar Pradesh 221005
Varanasi
UTTAR PRADESH 
7597364554

kapoorakhil1987@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 2  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE, MPMMCC and HBCH, Varanasi  Approved 
INSTITUTIONAL REVIEW BOARD (IRB) OFFICE OF RESEARCH CHRISTIAN MEDICAL COLLEGE VELLORE, INDIA  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C348||Malignant neoplasm of overlappingsites of bronchus and lung,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Chemotherapy and Cetuximab  Pemetrexed 500 mg/m2 on Day 1 of each 21-day cycle, in combination with carboplatin for up to 4 cycles Carboplatin area under the concentration-time curve 5 mg/mL per minute (AUC 5) on Day 1 of each 21-day cycle, for up to 4 cycles Cetuximab 500 mg/ m2 every two weeks for four doses  
Comparator Agent  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  1. Histologically or cytologically confirmed locally advanced or metastatic non-squamous NSCLC with EGFR exon 20 insertion mutation on tissue demonstrated by Next Generation Sequencing or Polymerase Chain Reaction
2. Measurable disease present according to RECIST v1.1
3. Adults more than 18 years of age with ECOG Performance status 0-1
4. Written informed consent obtained from the subject or the subject’s legal representative and the ability of the subject to comply with the requirements of the study.
5. Required initial laboratory parameters: Haemoglobin more than or equal to 10g/dl, Absolute neutrophil count more than 1500/microL,Platelets more than 1 lakh per microL, ALT and AST less than or equal to 3 times upper limit of normal (ULN), Total bilirubin less than or equal to 1.5 x ULN (participants with Gilbert’s syndrome can enroll if conjugated bilirubin is within normal limits), Creatinine clearance more than 50 mL/min by Cockroft -Gault formula
 
 
ExclusionCriteria 
Details  1. Any prior systemic treatment for locally advanced or metastatic lung cancer except for

a. Symptomatic Patients who received cycle one chemotherapy with carboplatin and pemetrexed while awaiting molecular results
b. Prior monotherapy with an approved EGFR TKI (gefitinib, erlotinib, afatinib, or Osimertinib) as non-standard first-line therapy for the treatment of locally advanced or metastatic disease is allowed if
1. treatment duration did not exceed eight weeks
2. lack of disease response was documented (radiographically) by an increase in tumor burden; 3. associated toxicities have resolved to baseline; and
4. the EGFR TKI has discontinued at least two weeks or four half-lives before enrolment, whichever is longer
c. Prior adjuvant or neoadjuvant platinum-based doublet chemotherapy is allowed if completed at least 12 months prior
2. Synchronous NSCLC with an EGFR mutation other than EGFR Exon 20ins.
3. Symptomatic, untreated brain metastases (a participant with definitively, locally treated metastases who is clinically stable, asymptomatic, and off corticosteroid treatment for at least two weeks before enrolment is eligible)
4. History of leptomeningeal disease or spinal cord compression
5. Active malignancy (i.e., progressing or requiring treatment change in the last 24 months) other than the disease being treated under study.
6. Pregnant, breastfeeding, or unwilling to practice birth control during participation.
7. Major surgical procedure within 28 days of enrolment or anticipation of the need for major surgery during study other than that required for the cancer treatment.
8. Significant cardiovascular morbidity as below
a. Diagnosis of deep vein thrombosis or pulmonary embolism within one month before or any of the following within six months prior: any acute coronary syndrome, stroke, transient ischemic attack, coronary/peripheral artery bypass graft
b. Prolonged corrected QT interval by Fridericia’s (QTcF) more than 480 msec, clinically significant cardiac arrhythmia, or electrophysiologic disease
c. Uncontrolled (persistent) hypertension: systolic blood pressure more than 160 mm Hg; diastolic blood pressure more than 100 mm Hg
d. Congestive heart failure is defined as New York Heart Association (NYHA) Class III/IV or hospitalization for congestive heart failure (any NYHA class) within the previous six months.
e. Myocarditis/Pericarditis/clinically significant pericardial effusion
f. Baseline left ventricular ejection fraction below the lower limit of normal as assessed by screening echocardiogram (ECHO) or multigated acquisition scan. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Objective Response Rates (ORR) following three months of planned systemic therapy assessed using RECIST v1.1 by a Thoracic Radiologist  Baseline, 12 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
Assessment of the safety profile of the planned systemic therapy, with adverse grades as per Common Terminology Criteria for Adverse Events (CTCAE) v5.0  Baseline, 3 weeks, 6 weeks, 9 weeks, 12 weeks 
 
Target Sample Size   Total Sample Size="20"
Sample Size from India="20" 
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)   19/08/2024 
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="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
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   Lung cancer poses a critical challenge globally due to its high incidence and frequent diagnosis at advanced stages. In non-small cell lung cancer (NSCLC), roughly 30% of cases have a specific genetic mutation called EGFR, with three main subtypes. The third most prevalent subtype, called EGFR exon 20 insertion (ex20ins), has a dismal prognosis and does not respond to conventional targeted therapies. While the global prevalence of ex20ins is estimated at up to 12%, limited data exists in developing countries that rely on traditional molecular tests, which often miss detecting this mutation, making accurate diagnosis difficult. Recently, with more widespread adoption of advanced molecular diagnostic tests like Next-Generation Sequencing (NGS), the true incidence of EGFR ex20ins in under-studied populations can be determined precisely, thus impacting treatment strategies. Currently, the standard treatment of EGFR ex20ins advanced NSCLC with the targeted agent ’Amivantamab’ combined with chemotherapy is often inaccessible in low- and middle-income countries due to its high cost. The majority of patients in these countries pay for treatment expenses from out-of-pocket, and realistically, they end up getting chemotherapy alone. However, chemotherapy alone offers poor outcomes, with low survival rates. We propose an affordable, globally more accessible, and potentially effective alternative: combining chemotherapy with the anti-EGFR monoclonal antibody Cetuximab. Early studies suggest promise for Cetuximab in EGFR ex20ins patients. Our research aims to confirm its safety and efficacy compared to chemotherapy alone. This approach could offer renewed hope and improved outcomes for countless patients struggling with limited treatment options if successful. 
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