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CTRI Number  CTRI/2025/09/094787 [Registered on: 15/09/2025] Trial Registered Prospectively
Last Modified On: 13/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Administering inhaled ketamine in patients with increased severity of COPD. 
Scientific Title of Study   Effect of nebulised ketamine in management of acute exacerbation of COPD: A pilot randomised controlled trial. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Akhilesh Singh Chandel 
Designation  Junior Resident 
Affiliation  AIIMS New Delhi 
Address  Department of Emergency Medicine AIIMS, Ansari Nagar, New Delhi

South
DELHI
110029
India 
Phone  8894005218  
Fax    
Email  akhileshsinghchandel@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Prakash Ranjan Mishra 
Designation  Associate Professor 
Affiliation  AIIMS New Delhi 
Address  Department of Emergency Medicine AIIMS, Ansari Nagar, New Delhi

South
DELHI
110029
India 
Phone  8826118924  
Fax    
Email  ranjan.prakashmishra@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Prakash Ranjan Mishra 
Designation  Associate Professor 
Affiliation  AIIMS New Delhi 
Address  Department of Emergency Medicine AIIMS, Ansari Nagar, New Delhi

South
DELHI
110029
India 
Phone  8826118924  
Fax    
Email  ranjan.prakashmishra@gmail.com  
 
Source of Monetary or Material Support  
All India Institue of Medical Sciences, New Delhi, 110029, India 
 
Primary Sponsor  
Name  Department of Emergency Medicine, AIIMS New Delhi 
Address  AIIMS New Delhi, Ansari Nagar, New Delhi 110029 
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 
Akhilesh Singh Chandel  All India Institue of Medical Sciences, New Delhi  EM-1, Department of Emergency Medicine AIIMS, Ansari Nagar, New Delhi, 110029
South
DELHI 
08894005218

akhileshsinghchandel@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee for Post Graduate Research  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J00-J99||Diseases of the respiratory system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nebulised Ketamine plus standard care.  Ketamine 0.5 mg/kg (max 50 mg) diluted in 10 mL normal saline nebulised using a jet nebuliser or with 1-4 l/min oxygen over 5-10 minutes along with standard care to a known case of COPD patient with acute exacerbation. 
Comparator Agent  Placebo plus standard care.  10 ml normal saline nebulised using a jet nebuliser or with 1-4 l/min oxygen over 5-10 minutes along with standard care to a known case of COPD patient with acute exacerbation. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Patients with known diagnosis of COPD based on GOLD criteria
Presentation with acute exacerbation (increased dyspnoea, sputum volume, or purulence)
Ability to provide written informed consent
 
 
ExclusionCriteria 
Details  Hemodynamic instability (SBP less than 90 mmHg or MAP less than 65 mmHg)
Immediate need for endotracheal intubation
Glasgow Coma Scale less than 15
Active psychosis or significant psychiatric illness
Known allergy or hypersensitivity to ketamine
Pregnancy or lactation
Chronic kidney disease (stage 4 or 5)
Decompensated liver disease
Recent myocardial infarction (less than 4 weeks)
Tracheostomy or patients already intubated 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate the effect of nebulised ketamine, in addition to standard care, in improving respiratory function in patients with acute exacerbation of chronic obstructive pulmonary disease as measured by the change in peak expiratory flow rate at 0, 15, 30, 60 and 120 min of administration.  0 to 120 min where 0 being the time of administration of nebulised ketamine. 
 
Secondary Outcome  
Outcome  TimePoints 
To assess the changes in oxygen saturation, respiratory rate and arterial blood gas parameters with in 120 mins.   0 to 120 min where 0 being the time of administration of nebulised ketamine. 
To evaluate the time to clinical improvement as judged by visual analogue score with in 120 mins.  0 to 120 min where 0 being the time of administration of nebulised ketamine. 
To determine the need for escalation of respiratory support to mechanical ventilation.  0 to 120 min where 0 being the time of administration of nebulised ketamine. 
To monitor for adverse effects like hallucinations, nausea etc. within 120 min.  0 to 120 min where 0 being the time of administration of nebulised ketamine. 
 
Target Sample Size   Total Sample Size="70"
Sample Size from India="70" 
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)   25/09/2025 
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="8"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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  
This is a single-blind, randomized controlled Phase II trial designed to evaluate the efficacy and safety of nebulized ketamine as an adjunct to standard therapy in patients presenting with severe acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Eligible patients presenting to the emergency department with severe AECOPD will be randomly assigned to receive either nebulized ketamine (0.5 mg/kg, max 50 mg in 10 mL NS) or nebulized saline (10 mL NS) every 20 minutes for up to three doses, in addition to standard COPD therapy. The primary outcome is the change in Peak Expiratory Flow Rate (PEFR) from baseline to 60 minutes. Secondary outcomes include dyspnea score (VAS), oxygen saturation, need for non-invasive ventilation or intubation, arterial blood gas and adverse effects within the first 2 hours. The sample size was calculated based on previous randomized trials using ketamine in airway diseases, targeting a total of 70 patients (including 10% attrition).
 
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