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CTRI Number  CTRI/2024/02/063130 [Registered on: 26/02/2024] Trial Registered Prospectively
Last Modified On: 12/08/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cohort Study 
Study Design  Single Arm Study 
Public Title of Study   A study for assessing the risk factors for persistent pain after thoracic surgery 
Scientific Title of Study   Incidence and risk factors for Chronic post thoracotomy pain and its impact on the quality of life : A prospective observational study in the Indian subcontinent 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Anshul Singh 
Designation  Assistant Professor 
Affiliation  AIIMS, New Delhi 
Address  department of anesthesiology, AIIMS, NEW DELHI

South
DELHI
110029
India 
Phone  99990556767  
Fax    
Email  ansh.dadoc@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Anshul Singh 
Designation  Assistant Professor 
Affiliation  AIIMS, New Delhi 
Address  department of anesthesiology, AIIMS, NEW DELHI

South
DELHI
110029
India 
Phone  99990556767  
Fax    
Email  ansh.dadoc@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Anshul Singh 
Designation  Assistant Professor 
Affiliation  AIIMS, New Delhi 
Address  department of anesthesiology, AIIMS, NEW DELHI

South
DELHI
110029
India 
Phone  99990556767  
Fax    
Email  ansh.dadoc@gmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences, New Delhi 
 
Primary Sponsor  
Name  department of Anaesthesiology,AIIMS, new delhi 
Address  5th floor, academic block, ansari nagar 
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 
anshul singh  All India Institute of Medical Sciences, New Delhi  surgical block ansari nagar
South
DELHI 
99990556767

ansh.dadoc@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee, All India Institute of Medical Sciences, New Delhi  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  NIL  NIL 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  1. Age>18 years
2. Undergoing Thoracotomy or VATS surgery.
 
 
ExclusionCriteria 
Details  1. Cases of advanced lung malignancy.
2. Patients with a history of stroke or intracranial hypertension.
3. Major uncorrected vision or hearing loss.
4. Patients with pre-existing neuropathic pain limited to thoracic dermatomes like thoracic postherpetic neuralgia.
5. Patients refuse to participate in the study.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To determine the incidence of CPTP following thoracic surgery.   baseline, 3 months, 6 months 
 
Secondary Outcome  
Outcome  TimePoints 
1. To determine various risk factors influencing the development of CPTP following thoracic surgeries in the Indian population.
2. To determine the nature of CPTP, in terms of neuropathic pain and its effect on quality of life.
3. To compare the sex and age differences in the occurrence of CPTP.
 
3 months and 6 months after surgery 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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)   01/03/2024 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
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   Thoracic surgeries like thoracotomy as well as video assisted thoracoscopic surgery (VATS), have been associated with one of the highest incidence of chronic post-thoracotomy pain (CPTP) . We aim to design this prospective cohort study to identify various factors influencing the incidence of CPTP, following thoracic surgery in the Indian population and study its impact on the quality of life. We also aim to determine the nature of CPTP, in terms of neuropathic pain and its effect on quality of life 
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