NCT03813459

Brief Summary

Subsyndromal delirium (SSD) is a condition characterized by a less severe cognitive impairment in comparison to delirium. To date there is no published consensus on SSD definitions and has been commonly reported as an intermediate stage between delirium and normal mental states. SSD encompasses some of the delirium symptoms, and has been diagnosed with Intensive Care Delirium Screening Checklist scale (ICDSC) and Confusion Assessment Method-ICU (CAM-ICU). The objective of this study is to identify subsyndromal delirium prevalence, the association between SSD and clinical outcomes and understanding the relationship between SSD and conversion to delirium. The relevance of this study is understanding of subsyndromal delirium in ICU, namely the importance of early presentations of acute brain dysfunction in the patients outcome.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
400

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Aug 2018

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2018

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

January 13, 2019

Completed
10 days until next milestone

First Posted

Study publicly available on registry

January 23, 2019

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2019

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2020

Completed
Last Updated

December 14, 2021

Status Verified

December 1, 2021

Enrollment Period

1.1 years

First QC Date

January 13, 2019

Last Update Submit

December 11, 2021

Conditions

Keywords

DeliriumSubsyndromal deliriumIntensive Care Unit

Outcome Measures

Primary Outcomes (3)

  • Number of patients with conversion from subsyndromal delirium to delirium during the period of study

    ICDSC performed 1 time per day and determine how subsyndromal delirium (ICDSC 1-3) can have conversion to delirium (ICDSC \>/=4).

    14 days

  • Mortality

    defined as number of days that patients survived in 28 days

    28 days

  • Ventilation free days

    defined has the number of days from day 1 to day 28 on which a patient breathed without assistance

    28 days

Secondary Outcomes (2)

  • ICU length of stay

    24 months

  • Hospital length of stay

    24 months

Study Arms (3)

Subsyndromal delirium positive

Presence of Subsyndromal delirium in Intensive Care patients

Delirium positive

Presence of Delirium in Intensive Care patients

No delirium

Non subsyndromal delirium or delirium in Intensive Care patients

Eligibility Criteria

Age18 Years - 100 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Intensive Care Unit patients

You may qualify if:

  • Age ≥ 18 years;
  • Admission in Intensive care Unit

You may not qualify if:

  • Primary neurological diagnosis, with Glasgow Coma Scale (GCS) \<14 on ICU admission or in previous days;
  • Blindness or deafness;
  • Aphasia;
  • Inability to communicate in the native language of the country where the study is enrolled;
  • Death during the first 24 hours;
  • Limitation of therapeutic efforts in the Intensive Care Unit admission;
  • Refusal to participate;
  • Previous diagnosis of dementia or psychiatric illness;
  • Readmission in ICU;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Maria Carolina Vieira Júlio Paulino

Lisbon, 1300-346, Portugal

Location

Related Publications (5)

  • Boettger S, Nunez DG, Meyer R, Richter A, Schubert M, Jenewein J. Subsyndromal delirium in the intensive care setting: Phenomenological characteristics and discrimination of subsyndromal delirium versus no and full-syndromal delirium. Palliat Support Care. 2018 Feb;16(1):3-13. doi: 10.1017/S1478951517000104. Epub 2017 Mar 6.

    PMID: 28262089BACKGROUND
  • Brummel NE, Boehm LM, Girard TD, Pandharipande PP, Jackson JC, Hughes CG, Patel MB, Han JH, Vasilevskis EE, Thompson JL, Chandrasekhar R, Bernard GR, Dittus RS, Ely EW. Subsyndromal Delirium and Institutionalization Among Patients With Critical Illness. Am J Crit Care. 2017 Nov;26(6):447-455. doi: 10.4037/ajcc2017263.

    PMID: 29092867BACKGROUND
  • Serafim RB, Soares M, Bozza FA, Lapa E Silva JR, Dal-Pizzol F, Paulino MC, Povoa P, Salluh JIF. Outcomes of subsyndromal delirium in ICU: a systematic review and meta-analysis. Crit Care. 2017 Jul 12;21(1):179. doi: 10.1186/s13054-017-1765-3.

    PMID: 28697802BACKGROUND
  • Yamada C, Iwawaki Y, Harada K, Fukui M, Morimoto M, Yamanaka R. Frequency and risk factors for subsyndromal delirium in an intensive care unit. Intensive Crit Care Nurs. 2018 Aug;47:15-22. doi: 10.1016/j.iccn.2018.02.010. Epub 2018 Mar 30.

    PMID: 29606481BACKGROUND
  • Corona A, Colombo R, Catena E. Early Identification of Subsyndromal Delirium in the Critically Ill: Don't Let the Delirium Rise! Crit Care Med. 2016 Mar;44(3):644-5. doi: 10.1097/CCM.0000000000001544. No abstract available.

    PMID: 26901554BACKGROUND

MeSH Terms

Conditions

Delirium

Condition Hierarchy (Ancestors)

ConfusionNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and SymptomsNeurocognitive DisordersMental Disorders

Study Officials

  • Maria C Paulino, MD

    Centro Hospitalar de Lisboa Ocidental

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

January 13, 2019

First Posted

January 23, 2019

Study Start

August 1, 2018

Primary Completion

September 1, 2019

Study Completion

March 31, 2020

Last Updated

December 14, 2021

Record last verified: 2021-12

Locations