What is a minimal clinically important difference for clinical trials in patients with disorders of consciousness? a novel probabilistic approach.

Over the last 30 years, there has been a growing trend in clinical trials towards assessing novel interventions not only against the benchmark of statistical significance, but also with respect to whether they lead to clinically meaningful changes for patients. In the context of Disorders of Conscio...

Full description

Saved in:
Bibliographic Details
Main Authors: Martin M Monti, Norman M Spivak, Brian L Edlow, Yelena G Bodien
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2023-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0290290
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1849316999777222656
author Martin M Monti
Norman M Spivak
Brian L Edlow
Yelena G Bodien
author_facet Martin M Monti
Norman M Spivak
Brian L Edlow
Yelena G Bodien
author_sort Martin M Monti
collection DOAJ
description Over the last 30 years, there has been a growing trend in clinical trials towards assessing novel interventions not only against the benchmark of statistical significance, but also with respect to whether they lead to clinically meaningful changes for patients. In the context of Disorders of Consciousness (DOC), despite a growing landscape of experimental interventions, there is no agreed standard as to what counts as a minimal clinically important difference (MCID). In part, this issue springs from the fact that, by definition, DOC patients are either unresponsive (i.e., in a Vegetative State; VS) or non-communicative (i.e., in a Minimally Conscious State; MCS), which renders it impossible to assess any subjective perception of benefit, one of the two core aspects of MCIDs. Here, we develop a novel approach that leverages published, international diagnostic guidelines to establish a probability-based minimal clinically important difference (pMCID), and we apply it to the most validated and frequently used scale in DOC: the Coma Recovery Scale-Revised (CRS-R). This novel method is objective (i.e., based on published criteria for patient diagnosis) and easy to recalculate as the field refines its agreed-upon criteria for diagnosis. We believe this new approach can help clinicians determine whether observed changes in patients' behavior are clinically important, even when patients cannot communicate their experiences, and can align the landscape of clinical trials in DOC with the practices in other medical fields.
format Article
id doaj-art-83718adeb20f4cf79b8b30da3e477c26
institution Kabale University
issn 1932-6203
language English
publishDate 2023-01-01
publisher Public Library of Science (PLoS)
record_format Article
series PLoS ONE
spelling doaj-art-83718adeb20f4cf79b8b30da3e477c262025-08-20T03:51:24ZengPublic Library of Science (PLoS)PLoS ONE1932-62032023-01-01188e029029010.1371/journal.pone.0290290What is a minimal clinically important difference for clinical trials in patients with disorders of consciousness? a novel probabilistic approach.Martin M MontiNorman M SpivakBrian L EdlowYelena G BodienOver the last 30 years, there has been a growing trend in clinical trials towards assessing novel interventions not only against the benchmark of statistical significance, but also with respect to whether they lead to clinically meaningful changes for patients. In the context of Disorders of Consciousness (DOC), despite a growing landscape of experimental interventions, there is no agreed standard as to what counts as a minimal clinically important difference (MCID). In part, this issue springs from the fact that, by definition, DOC patients are either unresponsive (i.e., in a Vegetative State; VS) or non-communicative (i.e., in a Minimally Conscious State; MCS), which renders it impossible to assess any subjective perception of benefit, one of the two core aspects of MCIDs. Here, we develop a novel approach that leverages published, international diagnostic guidelines to establish a probability-based minimal clinically important difference (pMCID), and we apply it to the most validated and frequently used scale in DOC: the Coma Recovery Scale-Revised (CRS-R). This novel method is objective (i.e., based on published criteria for patient diagnosis) and easy to recalculate as the field refines its agreed-upon criteria for diagnosis. We believe this new approach can help clinicians determine whether observed changes in patients' behavior are clinically important, even when patients cannot communicate their experiences, and can align the landscape of clinical trials in DOC with the practices in other medical fields.https://doi.org/10.1371/journal.pone.0290290
spellingShingle Martin M Monti
Norman M Spivak
Brian L Edlow
Yelena G Bodien
What is a minimal clinically important difference for clinical trials in patients with disorders of consciousness? a novel probabilistic approach.
PLoS ONE
title What is a minimal clinically important difference for clinical trials in patients with disorders of consciousness? a novel probabilistic approach.
title_full What is a minimal clinically important difference for clinical trials in patients with disorders of consciousness? a novel probabilistic approach.
title_fullStr What is a minimal clinically important difference for clinical trials in patients with disorders of consciousness? a novel probabilistic approach.
title_full_unstemmed What is a minimal clinically important difference for clinical trials in patients with disorders of consciousness? a novel probabilistic approach.
title_short What is a minimal clinically important difference for clinical trials in patients with disorders of consciousness? a novel probabilistic approach.
title_sort what is a minimal clinically important difference for clinical trials in patients with disorders of consciousness a novel probabilistic approach
url https://doi.org/10.1371/journal.pone.0290290
work_keys_str_mv AT martinmmonti whatisaminimalclinicallyimportantdifferenceforclinicaltrialsinpatientswithdisordersofconsciousnessanovelprobabilisticapproach
AT normanmspivak whatisaminimalclinicallyimportantdifferenceforclinicaltrialsinpatientswithdisordersofconsciousnessanovelprobabilisticapproach
AT brianledlow whatisaminimalclinicallyimportantdifferenceforclinicaltrialsinpatientswithdisordersofconsciousnessanovelprobabilisticapproach
AT yelenagbodien whatisaminimalclinicallyimportantdifferenceforclinicaltrialsinpatientswithdisordersofconsciousnessanovelprobabilisticapproach