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CTRI Number  CTRI/2025/09/094966 [Registered on: 17/09/2025] Trial Registered Prospectively
Last Modified On: 17/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   A study on the effect of frequent blood tests on pain levels and mental health  
Scientific Title of Study   Impact of repeated arterial blood gas sampling on pain perception and mental health in conscious patient; A cross sectional observational study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
YEC-4/2025/083 Version 02 21/08/2025  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Chithra 
Designation  Student 
Affiliation  Yenepoya School of Allied Health Sciences (Deemed to be University) 
Address  MSc in Respiratory Therapy (Student) Yenepoya School of Allied Health Sciences (Deemed to be University) Mudipu Campus, Near Surya Tech Park Kayargoli, Kurnad Post, Bantwal TQ.

Dakshina Kannada
KARNATAKA
574153
India 
Phone  9448828536  
Fax    
Email  chithrabgy@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Kavya Shettigar K 
Designation  Assistant professor 
Affiliation  Yenepoya School of Allied Health Sciences (Deemed to be University) 
Address  Guide, Department of Respiratory Therapy Yenepoya School of Allied Health Sciences (Deemed to be University) Mudipu Campus, Near Surya Tech Park Kayargoli, Kurnad Post, Bantwal TQ.

Dakshina Kannada
KARNATAKA
574153
India 
Phone  9741734428  
Fax    
Email  kavyashettigar@yenepoya.edu.in  
 
Details of Contact Person
Public Query
 
Name  Anjali Kotian 
Designation  Assistant professor 
Affiliation  Yenepoya School of Allied Health Sciences (Deemed to be University) 
Address  Co Guide, Department of Respiratory Therapy Yenepoya School of Allied Health Sciences (Deemed to be University) Mudipu Campus, Near Surya Tech Park Kayargoli, Kurnad Post, Bantwal TQ.

Dakshina Kannada
KARNATAKA
574153
India 
Phone  7026751960  
Fax    
Email  anjalikotian@yenepoya.edu.in  
 
Source of Monetary or Material Support  
Yenepoya School of Allied Health Sciences (Deemed to be University) Mudipu Campus, Near Surya Tech Park Kayargoli, Kurnad Post, Bantwal TQ. 
 
Primary Sponsor  
Name  Chithra 
Address  Yenepoya School of Allied Health Sciences (Deemed to be University) Mudipu Campus, Near Surya Tech Park Kayargoli, Kurnad Post, Bantwal TQ. 
Type of Sponsor  Other [Self] 
 
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 
Chithra  Yenepoya Medical College Hospital  MICU and Step-Down ICU Yenepoya Medical College Hospital, University road, Deralakatte, Mangalore, 575018, Karnataka, India
Dakshina Kannada
KARNATAKA 
9448828536

chithrabgy@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Yenepoya Ethics Committe-4  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J962||Acute and chronic respiratory failure,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Conscious adults (18 - 65 years old) undergoing 2 or more than 2 ABG samplings within 24 hours for medical monitoring.
Participants of any gender will be included in the study.
Participants who are able to read and write independently are included.
Participants willing to participate and provide informed consent.
 
 
ExclusionCriteria 
Details  Participants with impaired cognition or communication barriers.
Participants requiring mechanical ventilation and participants with do not intubate orders.
Participants with pre-existing mental health disorders.
Participants with repeated ABG sampling performed on consecutive days (Assessment was conducted only once for each participant)
Participants unable to provide informed consent or complete the questionnaire.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Repeated ABG sampling has significant effect on pain perception and mental health in conscious patients  Baseline 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="255"
Sample Size from India="255" 
Final Enrollment numbers achieved (Total)= "255"
Final Enrollment numbers achieved (India)="255" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/10/2025 
Date of Study Completion (India) 16/01/2026 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
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 study is a cross-sectional observational study conducted in the ICU and step-down ICU of Yenepoya Medical College Hospital, Mangalore, over a period of 1 year and 2 months (May 2025–July 2026). It aims to assess the impact of repeated arterial blood gas (ABG) sampling on pain perception and mental health in conscious adult patients. A total of 255 participants aged 18–65 years, undergoing two or more ABG samplings within 24 hours, will be selected using systematic random sampling. Demographic and clinical data will be collected from medical records, and participants will complete a pain intensity scale and a modified Oxford Needle Experience (ONE) scale questionnaire to assess pain, anxiety, fear, and psychological impact. Data will be analyzed using descriptive statistics and Spearman rank correlation to identify associations between frequency of ABG sampling and pain or mental health outcomes. The study is self-funded, ethically approved, involves no additional interventions beyond routine care, and aims to generate evidence to improve patient-centered pain management strategies. 
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