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CTRI Number  CTRI/2025/12/099768 [Registered on: 23/12/2025] Trial Registered Prospectively
Last Modified On: 10/12/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Single Arm Study 
Public Title of Study   A study on how blood test changes during cancer surgery influence the risk of surgical complications 
Scientific Title of Study   Neutrophil Lymphocyte Ratio(NLR) & Albumin - derived Neutrophil Lymphocyte Ratio Score(ANS) in perioperative period of Cancer surgery and its relevance on surgical outcomes 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Vidyashankar C J 
Designation  Senior Resident 
Affiliation  Kasturba Medical College, Manipal 
Address  SR, Dept of Surgical Oncology, KMC Manipal

Udupi
KARNATAKA
576104
India 
Phone  9449740880  
Fax    
Email  vidyashankarcj@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Naveena Kumar AN 
Designation  Professor and Head 
Affiliation  Kasturba Medical College, Manipal 
Address  Dept of Surgical Oncology, KMC Manipal

Udupi
KARNATAKA
576104
India 
Phone  9969523579  
Fax    
Email  naveenkumar.an@manipal.edu  
 
Details of Contact Person
Public Query
 
Name  Vidyashankar C J 
Designation  Senior Resident 
Affiliation  Kasturba Medical College, Manipal 
Address  SR, Dept of Surgical Oncology, KMC Manipal


KARNATAKA
576104
India 
Phone  9449740880  
Fax    
Email  vidyashankarcj@gmail.com  
 
Source of Monetary or Material Support  
Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka, India 576104 
 
Primary Sponsor  
Name  Kasturba Medical College Manipal 
Address  Kasturba Medical College Manipal Manipal Academy of Higher Education Manipal Udupi Karnataka India 576104 
Type of Sponsor  Private medical college 
 
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 Naveena Kumar AN  Kasturba Medical College Manipal  Room No2, Dept of Surgical Oncology Kasturba Medical College Manipal Udupi
Udupi
KARNATAKA 
9969523579

naveenkumar.an@manipal.edu 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Kasturba Medical College and Kasturba Hospital Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C439||Malignant melanoma of skin, unspecified, (2) ICD-10 Condition: C182||Malignant neoplasm of ascending colon, (3) ICD-10 Condition: C509||Malignant neoplasm of breast of unspecified site, (4) ICD-10 Condition: C180||Malignant neoplasm of cecum, (5) ICD-10 Condition: C186||Malignant neoplasm of descending colon, (6) ICD-10 Condition: C170||Malignant neoplasm of duodenum, (7) ICD-10 Condition: C601||Malignant neoplasm of glans penis, (8) ICD-10 Condition: C155||Malignant neoplasm of lower thirdof esophagus, (9) ICD-10 Condition: C163||Malignant neoplasm of pyloric antrum, (10) ICD-10 Condition: C20||Malignant neoplasm of rectum, (11) ICD-10 Condition: C37||Malignant neoplasm of thymus, (12) ICD-10 Condition: C184||Malignant neoplasm of transverse colon, (13) ICD-10 Condition: C649||Malignant neoplasm of unspecifiedkidney, except renal pelvis, (14) ICD-10 Condition: C569||Malignant neoplasm of unspecifiedovary,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Adult pts undergoing elective cancer surgery

Willing to provide consent 
 
ExclusionCriteria 
Details  Patients with Acute infections
Auto-immune diseases
Immuno-suppressed patients
Palliative surgeries
Non-compliant patients
Recurrent cases 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Morbidity post surgery  within 1 month of surgery 
 
Secondary Outcome  
Outcome  TimePoints 
Mortality post surgery  within 6 months post surgery 
 
Target Sample Size   Total Sample Size="1000"
Sample Size from India="1000" 
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)   25/12/2025 
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="1"
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   The study is a prospective observational study evaluating Neutrophil Lymphocyte Ratio and Albumin-derived NLR Score as prognostic markers for surgical outcomes in adult cancer surgery patients. It aims to correlate perioperative changes in NLR/ANS with postoperative complications and to assess their impact on long term survival and recurrence
All cancer patients over 18 years meeting the inclusion criteria and undergoing surgery in surgical oncology department will be enrolled. Perioperative albumin and NLR/derived-NLR values will be measured within 4 weeks before surgery, and post operative CBCs will be taken on POD 1, 3 and 5 to calculate serial NLR, ensuring at least 4 samples per patient. Post operative complications will be graded using Clavien - Doindo classification, with patients grouped into Major, Grade III or higher, and non major, no complications group, and clinicopathological variables of inflammatory markers will be compared between groups. A total of 1000 patients will be enrolled over a duration of 2 years. Participants will be followed for at least 6months postoperatively to relate biomarker trends to complications, recurrence and survival with the expectation that results will improve perioperative risk stratification and postoperative management 
 
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