NCT06012357

Pain Protocol: Nociception Coma Scale-Revised With Personalized Stimulus

Status unknown Last updated 25 August 2023

What this trial tests

trial testing Nociception Coma Scale-Revised in Disorder of Consciousness in 33 participants. Status unknown.

Timeline

9 July 2019

Primary endpoint
31 December 2023

31 December 2023

Quick facts

Lead sponsor	I.R.C.C.S. Fondazione Santa Lucia
Status	Status unknown
Study type	OBSERVATIONAL
Enrollment	33
Start date	9 July 2019
Primary completion	31 December 2023
Estimated completion	31 December 2023
Sites	1 location across Italy

Drugs / interventions tested

• Nociception Coma Scale-Revised

Conditions studied

• Disorder of Consciousness — all drugs for Disorder of Consciousness →

Sponsor

I.R.C.C.S. Fondazione Santa Lucia — full company profile →

Who can join

Adults 18 to 65, any sex, with Disorder of Consciousness. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The goal of this observational study is to compare Nociception Coma Scale-Revised Recorded (NCS-R) scores obtained with the standard pressure on fingernail bed (standard stimulus, SS) versus other personalized painful stimuli (PS), in non-communicative patients with disorders of consciousness (DoC), as indicated by professionals and caregivers involved in their care and rehabilitation. The study aims also to establish possible correlations between NCS-R and Coma Recovery Scale-Revised (CRS-R.) The main question : an integrated patient-centered approach for assessment of the physical pain, in which clinical measures and behavioral observations will be integrated, to understand and manage the pain intensity, may improve treatment and rehabilitation outcome. Specifically, a new version of NCS-R, adapted with PS, may produce more intentional and specific responses to pain-inducing maneuvers. Investigating pain perception in non-communicative patients, through recognition of a personalized source of nociception and pain, may avoid non specific, useless and harmful noxious tests (as with standard pain scales) and may provide tools for revealing nociception even in the lack of any response to standard clinical evaluation.

Question 1: the superiority of personalized painful stimulus a standard painful stimulation in nin communicative patients.

Question 2: the parallel recovery of painful stimuli responsiveness and consciousness Participants will Responsiveness and pain perception will be assessed respectively with the CRS-R and the NCS-R. Pain responses will be assessed by means of standard stimulus (NCS-R-SS, as used in the CRS-R) and personalized stimulation (NCS-R-PS), at admission and discharge.

CRS-R will be administered within the first month after admission, at least 5 times in different days, choosing the highest score as reference and repeated during recovery of consciousness or discharge.

After informed consent by patient's legal representative or the primary caregiver, for the purpose of the study, caregivers (including relatives, nurses, therapists, physicians) will be asked to record all manoeuvres they feel are associated with potential pain, with a window of observation of the rehabilitation and nursing staff of around one week to identify the personalized painful stimulus (about the second week after admission at the rehabilitation ward). Amongst them, the manoeuvres that consistently over time induced the most motor/behaviour responses suggestive of pain perception, reported at least by 2 members of the rehabilitation staff or by one of them and one caregiver, will be chosen as the personalized stimulus (PS). NCS-R with standard stimulus (NCS-R-SS) and with personalized stimulus (NCS-R-PS), will be recorded within 30 days after admission, alternating the order of the 2 painful stimulations; CRS-R will be recorded accordingly, in parallel to NCS-R-SS and NCS-R-PS and will be blindly recorded, at the same time, by two different rehabilitation staff members, to assess inter-rater reliability, whereas two of them will repeat both NCS-R\_SS and NCS-R-PS during the same week to assess intra-rater reliability of both NCS-R-SS and NCS-R-PS, with an interval of at least 6 hours from the last pain killer or anti-spastic drugs administration, including GABAergic, anti-inflammatory drugs or opiates.

Both CRS-R and NCS-R (SS and PS) will be repeated 1 month and 3 months after the first assessment with the same procedures of the first time.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

1. Nociception Coma Scale-Revised with Personalized Painful Stimulus Versus Standard Stimulation in Persons with Disorders of Consciousness: An International Multicenter Study.
   Formisano R, Aloisi M, Ferri G, Schiattone S, et al · · 2024 · cited 1× · PMID 39337015 · DOI 10.3390/jcm13185528